1565 lines
58 KiB
C++
1565 lines
58 KiB
C++
// Copyright 2018 The Abseil Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "absl/container/internal/layout.h"
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// We need ::max_align_t because some libstdc++ versions don't provide
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// std::max_align_t
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#include <stddef.h>
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#include <cstdint>
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#include <memory>
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#include <sstream>
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#include <type_traits>
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#include "gmock/gmock.h"
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#include "gtest/gtest.h"
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#include "absl/base/internal/raw_logging.h"
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#include "absl/types/span.h"
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namespace absl {
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namespace container_internal {
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namespace {
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using ::absl::Span;
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using ::testing::ElementsAre;
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size_t Distance(const void* from, const void* to) {
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ABSL_RAW_CHECK(from <= to, "Distance must be non-negative");
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return static_cast<const char*>(to) - static_cast<const char*>(from);
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}
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template <class Expected, class Actual>
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Expected Type(Actual val) {
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static_assert(std::is_same<Expected, Actual>(), "");
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return val;
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}
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// Helper classes to test different size and alignments.
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struct alignas(8) Int128 {
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uint64_t a, b;
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friend bool operator==(Int128 lhs, Int128 rhs) {
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return std::tie(lhs.a, lhs.b) == std::tie(rhs.a, rhs.b);
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}
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static std::string Name() {
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return internal_layout::adl_barrier::TypeName<Int128>();
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}
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};
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// int64_t is *not* 8-byte aligned on all platforms!
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struct alignas(8) Int64 {
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int64_t a;
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friend bool operator==(Int64 lhs, Int64 rhs) {
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return lhs.a == rhs.a;
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}
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};
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// Properties of types that this test relies on.
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static_assert(sizeof(int8_t) == 1, "");
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static_assert(alignof(int8_t) == 1, "");
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static_assert(sizeof(int16_t) == 2, "");
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static_assert(alignof(int16_t) == 2, "");
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static_assert(sizeof(int32_t) == 4, "");
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static_assert(alignof(int32_t) == 4, "");
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static_assert(sizeof(Int64) == 8, "");
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static_assert(alignof(Int64) == 8, "");
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static_assert(sizeof(Int128) == 16, "");
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static_assert(alignof(Int128) == 8, "");
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template <class Expected, class Actual>
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void SameType() {
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static_assert(std::is_same<Expected, Actual>(), "");
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}
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TEST(Layout, ElementType) {
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{
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using L = Layout<int32_t>;
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SameType<int32_t, L::ElementType<0>>();
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SameType<int32_t, decltype(L::Partial())::ElementType<0>>();
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SameType<int32_t, decltype(L::Partial(0))::ElementType<0>>();
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}
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{
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using L = Layout<int32_t, int32_t>;
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SameType<int32_t, L::ElementType<0>>();
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SameType<int32_t, L::ElementType<1>>();
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SameType<int32_t, decltype(L::Partial())::ElementType<0>>();
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SameType<int32_t, decltype(L::Partial())::ElementType<1>>();
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SameType<int32_t, decltype(L::Partial(0))::ElementType<0>>();
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SameType<int32_t, decltype(L::Partial(0))::ElementType<1>>();
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}
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{
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using L = Layout<int8_t, int32_t, Int128>;
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SameType<int8_t, L::ElementType<0>>();
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SameType<int32_t, L::ElementType<1>>();
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SameType<Int128, L::ElementType<2>>();
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SameType<int8_t, decltype(L::Partial())::ElementType<0>>();
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SameType<int8_t, decltype(L::Partial(0))::ElementType<0>>();
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SameType<int32_t, decltype(L::Partial(0))::ElementType<1>>();
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SameType<int8_t, decltype(L::Partial(0, 0))::ElementType<0>>();
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SameType<int32_t, decltype(L::Partial(0, 0))::ElementType<1>>();
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SameType<Int128, decltype(L::Partial(0, 0))::ElementType<2>>();
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SameType<int8_t, decltype(L::Partial(0, 0, 0))::ElementType<0>>();
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SameType<int32_t, decltype(L::Partial(0, 0, 0))::ElementType<1>>();
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SameType<Int128, decltype(L::Partial(0, 0, 0))::ElementType<2>>();
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}
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}
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TEST(Layout, ElementTypes) {
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{
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using L = Layout<int32_t>;
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SameType<std::tuple<int32_t>, L::ElementTypes>();
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SameType<std::tuple<int32_t>, decltype(L::Partial())::ElementTypes>();
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SameType<std::tuple<int32_t>, decltype(L::Partial(0))::ElementTypes>();
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}
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{
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using L = Layout<int32_t, int32_t>;
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SameType<std::tuple<int32_t, int32_t>, L::ElementTypes>();
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SameType<std::tuple<int32_t, int32_t>, decltype(L::Partial())::ElementTypes>();
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SameType<std::tuple<int32_t, int32_t>, decltype(L::Partial(0))::ElementTypes>();
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}
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{
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using L = Layout<int8_t, int32_t, Int128>;
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SameType<std::tuple<int8_t, int32_t, Int128>, L::ElementTypes>();
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SameType<std::tuple<int8_t, int32_t, Int128>,
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decltype(L::Partial())::ElementTypes>();
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SameType<std::tuple<int8_t, int32_t, Int128>,
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decltype(L::Partial(0))::ElementTypes>();
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SameType<std::tuple<int8_t, int32_t, Int128>,
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decltype(L::Partial(0, 0))::ElementTypes>();
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SameType<std::tuple<int8_t, int32_t, Int128>,
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decltype(L::Partial(0, 0, 0))::ElementTypes>();
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}
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}
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TEST(Layout, OffsetByIndex) {
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{
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using L = Layout<int32_t>;
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EXPECT_EQ(0, L::Partial().Offset<0>());
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EXPECT_EQ(0, L::Partial(3).Offset<0>());
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EXPECT_EQ(0, L(3).Offset<0>());
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}
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{
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using L = Layout<int32_t, int32_t>;
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EXPECT_EQ(0, L::Partial().Offset<0>());
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EXPECT_EQ(0, L::Partial(3).Offset<0>());
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EXPECT_EQ(12, L::Partial(3).Offset<1>());
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EXPECT_EQ(0, L::Partial(3, 5).Offset<0>());
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EXPECT_EQ(12, L::Partial(3, 5).Offset<1>());
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EXPECT_EQ(0, L(3, 5).Offset<0>());
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EXPECT_EQ(12, L(3, 5).Offset<1>());
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}
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{
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using L = Layout<int8_t, int32_t, Int128>;
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EXPECT_EQ(0, L::Partial().Offset<0>());
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EXPECT_EQ(0, L::Partial(0).Offset<0>());
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EXPECT_EQ(0, L::Partial(0).Offset<1>());
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EXPECT_EQ(0, L::Partial(1).Offset<0>());
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EXPECT_EQ(4, L::Partial(1).Offset<1>());
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EXPECT_EQ(0, L::Partial(5).Offset<0>());
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EXPECT_EQ(8, L::Partial(5).Offset<1>());
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EXPECT_EQ(0, L::Partial(0, 0).Offset<0>());
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EXPECT_EQ(0, L::Partial(0, 0).Offset<1>());
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EXPECT_EQ(0, L::Partial(0, 0).Offset<2>());
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EXPECT_EQ(0, L::Partial(1, 0).Offset<0>());
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EXPECT_EQ(4, L::Partial(1, 0).Offset<1>());
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EXPECT_EQ(8, L::Partial(1, 0).Offset<2>());
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EXPECT_EQ(0, L::Partial(5, 3).Offset<0>());
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EXPECT_EQ(8, L::Partial(5, 3).Offset<1>());
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EXPECT_EQ(24, L::Partial(5, 3).Offset<2>());
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EXPECT_EQ(0, L::Partial(0, 0, 0).Offset<0>());
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EXPECT_EQ(0, L::Partial(0, 0, 0).Offset<1>());
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EXPECT_EQ(0, L::Partial(0, 0, 0).Offset<2>());
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EXPECT_EQ(0, L::Partial(1, 0, 0).Offset<0>());
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EXPECT_EQ(4, L::Partial(1, 0, 0).Offset<1>());
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EXPECT_EQ(8, L::Partial(1, 0, 0).Offset<2>());
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EXPECT_EQ(0, L::Partial(5, 3, 1).Offset<0>());
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EXPECT_EQ(24, L::Partial(5, 3, 1).Offset<2>());
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EXPECT_EQ(8, L::Partial(5, 3, 1).Offset<1>());
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EXPECT_EQ(0, L(5, 3, 1).Offset<0>());
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EXPECT_EQ(24, L(5, 3, 1).Offset<2>());
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EXPECT_EQ(8, L(5, 3, 1).Offset<1>());
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}
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}
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TEST(Layout, OffsetByType) {
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{
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using L = Layout<int32_t>;
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EXPECT_EQ(0, L::Partial().Offset<int32_t>());
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EXPECT_EQ(0, L::Partial(3).Offset<int32_t>());
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EXPECT_EQ(0, L(3).Offset<int32_t>());
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}
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{
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using L = Layout<int8_t, int32_t, Int128>;
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EXPECT_EQ(0, L::Partial().Offset<int8_t>());
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EXPECT_EQ(0, L::Partial(0).Offset<int8_t>());
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EXPECT_EQ(0, L::Partial(0).Offset<int32_t>());
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EXPECT_EQ(0, L::Partial(1).Offset<int8_t>());
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EXPECT_EQ(4, L::Partial(1).Offset<int32_t>());
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EXPECT_EQ(0, L::Partial(5).Offset<int8_t>());
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EXPECT_EQ(8, L::Partial(5).Offset<int32_t>());
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EXPECT_EQ(0, L::Partial(0, 0).Offset<int8_t>());
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EXPECT_EQ(0, L::Partial(0, 0).Offset<int32_t>());
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EXPECT_EQ(0, L::Partial(0, 0).Offset<Int128>());
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EXPECT_EQ(0, L::Partial(1, 0).Offset<int8_t>());
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EXPECT_EQ(4, L::Partial(1, 0).Offset<int32_t>());
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EXPECT_EQ(8, L::Partial(1, 0).Offset<Int128>());
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EXPECT_EQ(0, L::Partial(5, 3).Offset<int8_t>());
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EXPECT_EQ(8, L::Partial(5, 3).Offset<int32_t>());
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EXPECT_EQ(24, L::Partial(5, 3).Offset<Int128>());
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EXPECT_EQ(0, L::Partial(0, 0, 0).Offset<int8_t>());
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EXPECT_EQ(0, L::Partial(0, 0, 0).Offset<int32_t>());
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EXPECT_EQ(0, L::Partial(0, 0, 0).Offset<Int128>());
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EXPECT_EQ(0, L::Partial(1, 0, 0).Offset<int8_t>());
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EXPECT_EQ(4, L::Partial(1, 0, 0).Offset<int32_t>());
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EXPECT_EQ(8, L::Partial(1, 0, 0).Offset<Int128>());
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EXPECT_EQ(0, L::Partial(5, 3, 1).Offset<int8_t>());
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EXPECT_EQ(24, L::Partial(5, 3, 1).Offset<Int128>());
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EXPECT_EQ(8, L::Partial(5, 3, 1).Offset<int32_t>());
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EXPECT_EQ(0, L(5, 3, 1).Offset<int8_t>());
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EXPECT_EQ(24, L(5, 3, 1).Offset<Int128>());
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EXPECT_EQ(8, L(5, 3, 1).Offset<int32_t>());
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}
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}
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TEST(Layout, Offsets) {
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{
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using L = Layout<int32_t>;
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EXPECT_THAT(L::Partial().Offsets(), ElementsAre(0));
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EXPECT_THAT(L::Partial(3).Offsets(), ElementsAre(0));
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EXPECT_THAT(L(3).Offsets(), ElementsAre(0));
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}
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{
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using L = Layout<int32_t, int32_t>;
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EXPECT_THAT(L::Partial().Offsets(), ElementsAre(0));
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EXPECT_THAT(L::Partial(3).Offsets(), ElementsAre(0, 12));
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EXPECT_THAT(L::Partial(3, 5).Offsets(), ElementsAre(0, 12));
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EXPECT_THAT(L(3, 5).Offsets(), ElementsAre(0, 12));
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}
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{
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using L = Layout<int8_t, int32_t, Int128>;
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EXPECT_THAT(L::Partial().Offsets(), ElementsAre(0));
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EXPECT_THAT(L::Partial(1).Offsets(), ElementsAre(0, 4));
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EXPECT_THAT(L::Partial(5).Offsets(), ElementsAre(0, 8));
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EXPECT_THAT(L::Partial(0, 0).Offsets(), ElementsAre(0, 0, 0));
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EXPECT_THAT(L::Partial(1, 0).Offsets(), ElementsAre(0, 4, 8));
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EXPECT_THAT(L::Partial(5, 3).Offsets(), ElementsAre(0, 8, 24));
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EXPECT_THAT(L::Partial(0, 0, 0).Offsets(), ElementsAre(0, 0, 0));
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EXPECT_THAT(L::Partial(1, 0, 0).Offsets(), ElementsAre(0, 4, 8));
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EXPECT_THAT(L::Partial(5, 3, 1).Offsets(), ElementsAre(0, 8, 24));
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EXPECT_THAT(L(5, 3, 1).Offsets(), ElementsAre(0, 8, 24));
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}
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}
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TEST(Layout, AllocSize) {
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{
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using L = Layout<int32_t>;
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EXPECT_EQ(0, L::Partial(0).AllocSize());
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EXPECT_EQ(12, L::Partial(3).AllocSize());
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EXPECT_EQ(12, L(3).AllocSize());
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}
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{
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using L = Layout<int32_t, int32_t>;
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EXPECT_EQ(32, L::Partial(3, 5).AllocSize());
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EXPECT_EQ(32, L(3, 5).AllocSize());
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}
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{
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using L = Layout<int8_t, int32_t, Int128>;
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EXPECT_EQ(0, L::Partial(0, 0, 0).AllocSize());
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EXPECT_EQ(8, L::Partial(1, 0, 0).AllocSize());
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EXPECT_EQ(8, L::Partial(0, 1, 0).AllocSize());
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EXPECT_EQ(16, L::Partial(0, 0, 1).AllocSize());
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EXPECT_EQ(24, L::Partial(1, 1, 1).AllocSize());
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EXPECT_EQ(136, L::Partial(3, 5, 7).AllocSize());
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EXPECT_EQ(136, L(3, 5, 7).AllocSize());
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}
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}
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TEST(Layout, SizeByIndex) {
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{
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using L = Layout<int32_t>;
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EXPECT_EQ(0, L::Partial(0).Size<0>());
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EXPECT_EQ(3, L::Partial(3).Size<0>());
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EXPECT_EQ(3, L(3).Size<0>());
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}
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{
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using L = Layout<int32_t, int32_t>;
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EXPECT_EQ(0, L::Partial(0).Size<0>());
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EXPECT_EQ(3, L::Partial(3).Size<0>());
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EXPECT_EQ(3, L::Partial(3, 5).Size<0>());
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EXPECT_EQ(5, L::Partial(3, 5).Size<1>());
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EXPECT_EQ(3, L(3, 5).Size<0>());
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EXPECT_EQ(5, L(3, 5).Size<1>());
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}
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{
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using L = Layout<int8_t, int32_t, Int128>;
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EXPECT_EQ(3, L::Partial(3).Size<0>());
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EXPECT_EQ(3, L::Partial(3, 5).Size<0>());
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EXPECT_EQ(5, L::Partial(3, 5).Size<1>());
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EXPECT_EQ(3, L::Partial(3, 5, 7).Size<0>());
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EXPECT_EQ(5, L::Partial(3, 5, 7).Size<1>());
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EXPECT_EQ(7, L::Partial(3, 5, 7).Size<2>());
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EXPECT_EQ(3, L(3, 5, 7).Size<0>());
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EXPECT_EQ(5, L(3, 5, 7).Size<1>());
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EXPECT_EQ(7, L(3, 5, 7).Size<2>());
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}
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}
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TEST(Layout, SizeByType) {
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{
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using L = Layout<int32_t>;
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EXPECT_EQ(0, L::Partial(0).Size<int32_t>());
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EXPECT_EQ(3, L::Partial(3).Size<int32_t>());
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EXPECT_EQ(3, L(3).Size<int32_t>());
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}
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{
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using L = Layout<int8_t, int32_t, Int128>;
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EXPECT_EQ(3, L::Partial(3).Size<int8_t>());
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EXPECT_EQ(3, L::Partial(3, 5).Size<int8_t>());
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EXPECT_EQ(5, L::Partial(3, 5).Size<int32_t>());
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EXPECT_EQ(3, L::Partial(3, 5, 7).Size<int8_t>());
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EXPECT_EQ(5, L::Partial(3, 5, 7).Size<int32_t>());
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EXPECT_EQ(7, L::Partial(3, 5, 7).Size<Int128>());
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EXPECT_EQ(3, L(3, 5, 7).Size<int8_t>());
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EXPECT_EQ(5, L(3, 5, 7).Size<int32_t>());
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EXPECT_EQ(7, L(3, 5, 7).Size<Int128>());
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}
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}
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TEST(Layout, Sizes) {
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{
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using L = Layout<int32_t>;
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EXPECT_THAT(L::Partial().Sizes(), ElementsAre());
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EXPECT_THAT(L::Partial(3).Sizes(), ElementsAre(3));
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EXPECT_THAT(L(3).Sizes(), ElementsAre(3));
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}
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{
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using L = Layout<int32_t, int32_t>;
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EXPECT_THAT(L::Partial().Sizes(), ElementsAre());
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EXPECT_THAT(L::Partial(3).Sizes(), ElementsAre(3));
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EXPECT_THAT(L::Partial(3, 5).Sizes(), ElementsAre(3, 5));
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EXPECT_THAT(L(3, 5).Sizes(), ElementsAre(3, 5));
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}
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{
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using L = Layout<int8_t, int32_t, Int128>;
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EXPECT_THAT(L::Partial().Sizes(), ElementsAre());
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EXPECT_THAT(L::Partial(3).Sizes(), ElementsAre(3));
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EXPECT_THAT(L::Partial(3, 5).Sizes(), ElementsAre(3, 5));
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EXPECT_THAT(L::Partial(3, 5, 7).Sizes(), ElementsAre(3, 5, 7));
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EXPECT_THAT(L(3, 5, 7).Sizes(), ElementsAre(3, 5, 7));
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}
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}
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TEST(Layout, PointerByIndex) {
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alignas(max_align_t) const unsigned char p[100] = {};
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{
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using L = Layout<int32_t>;
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EXPECT_EQ(0, Distance(p, Type<const int32_t*>(L::Partial().Pointer<0>(p))));
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EXPECT_EQ(0, Distance(p, Type<const int32_t*>(L::Partial(3).Pointer<0>(p))));
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EXPECT_EQ(0, Distance(p, Type<const int32_t*>(L(3).Pointer<0>(p))));
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}
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{
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using L = Layout<int32_t, int32_t>;
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EXPECT_EQ(0, Distance(p, Type<const int32_t*>(L::Partial().Pointer<0>(p))));
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EXPECT_EQ(0, Distance(p, Type<const int32_t*>(L::Partial(3).Pointer<0>(p))));
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EXPECT_EQ(12, Distance(p, Type<const int32_t*>(L::Partial(3).Pointer<1>(p))));
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EXPECT_EQ(0,
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Distance(p, Type<const int32_t*>(L::Partial(3, 5).Pointer<0>(p))));
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EXPECT_EQ(12,
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Distance(p, Type<const int32_t*>(L::Partial(3, 5).Pointer<1>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<const int32_t*>(L(3, 5).Pointer<0>(p))));
|
|
EXPECT_EQ(12, Distance(p, Type<const int32_t*>(L(3, 5).Pointer<1>(p))));
|
|
}
|
|
{
|
|
using L = Layout<int8_t, int32_t, Int128>;
|
|
EXPECT_EQ(0, Distance(p, Type<const int8_t*>(L::Partial().Pointer<0>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<const int8_t*>(L::Partial(0).Pointer<0>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<const int32_t*>(L::Partial(0).Pointer<1>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<const int8_t*>(L::Partial(1).Pointer<0>(p))));
|
|
EXPECT_EQ(4, Distance(p, Type<const int32_t*>(L::Partial(1).Pointer<1>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<const int8_t*>(L::Partial(5).Pointer<0>(p))));
|
|
EXPECT_EQ(8, Distance(p, Type<const int32_t*>(L::Partial(5).Pointer<1>(p))));
|
|
EXPECT_EQ(0,
|
|
Distance(p, Type<const int8_t*>(L::Partial(0, 0).Pointer<0>(p))));
|
|
EXPECT_EQ(0,
|
|
Distance(p, Type<const int32_t*>(L::Partial(0, 0).Pointer<1>(p))));
|
|
EXPECT_EQ(0,
|
|
Distance(p, Type<const Int128*>(L::Partial(0, 0).Pointer<2>(p))));
|
|
EXPECT_EQ(0,
|
|
Distance(p, Type<const int8_t*>(L::Partial(1, 0).Pointer<0>(p))));
|
|
EXPECT_EQ(4,
|
|
Distance(p, Type<const int32_t*>(L::Partial(1, 0).Pointer<1>(p))));
|
|
EXPECT_EQ(8,
|
|
Distance(p, Type<const Int128*>(L::Partial(1, 0).Pointer<2>(p))));
|
|
EXPECT_EQ(0,
|
|
Distance(p, Type<const int8_t*>(L::Partial(5, 3).Pointer<0>(p))));
|
|
EXPECT_EQ(8,
|
|
Distance(p, Type<const int32_t*>(L::Partial(5, 3).Pointer<1>(p))));
|
|
EXPECT_EQ(24,
|
|
Distance(p, Type<const Int128*>(L::Partial(5, 3).Pointer<2>(p))));
|
|
EXPECT_EQ(
|
|
0, Distance(p, Type<const int8_t*>(L::Partial(0, 0, 0).Pointer<0>(p))));
|
|
EXPECT_EQ(
|
|
0, Distance(p, Type<const int32_t*>(L::Partial(0, 0, 0).Pointer<1>(p))));
|
|
EXPECT_EQ(
|
|
0, Distance(p, Type<const Int128*>(L::Partial(0, 0, 0).Pointer<2>(p))));
|
|
EXPECT_EQ(
|
|
0, Distance(p, Type<const int8_t*>(L::Partial(1, 0, 0).Pointer<0>(p))));
|
|
EXPECT_EQ(
|
|
4, Distance(p, Type<const int32_t*>(L::Partial(1, 0, 0).Pointer<1>(p))));
|
|
EXPECT_EQ(
|
|
8, Distance(p, Type<const Int128*>(L::Partial(1, 0, 0).Pointer<2>(p))));
|
|
EXPECT_EQ(
|
|
0, Distance(p, Type<const int8_t*>(L::Partial(5, 3, 1).Pointer<0>(p))));
|
|
EXPECT_EQ(
|
|
24,
|
|
Distance(p, Type<const Int128*>(L::Partial(5, 3, 1).Pointer<2>(p))));
|
|
EXPECT_EQ(
|
|
8, Distance(p, Type<const int32_t*>(L::Partial(5, 3, 1).Pointer<1>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<const int8_t*>(L(5, 3, 1).Pointer<0>(p))));
|
|
EXPECT_EQ(24, Distance(p, Type<const Int128*>(L(5, 3, 1).Pointer<2>(p))));
|
|
EXPECT_EQ(8, Distance(p, Type<const int32_t*>(L(5, 3, 1).Pointer<1>(p))));
|
|
}
|
|
}
|
|
|
|
TEST(Layout, PointerByType) {
|
|
alignas(max_align_t) const unsigned char p[100] = {};
|
|
{
|
|
using L = Layout<int32_t>;
|
|
EXPECT_EQ(0,
|
|
Distance(p, Type<const int32_t*>(L::Partial().Pointer<int32_t>(p))));
|
|
EXPECT_EQ(0,
|
|
Distance(p, Type<const int32_t*>(L::Partial(3).Pointer<int32_t>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<const int32_t*>(L(3).Pointer<int32_t>(p))));
|
|
}
|
|
{
|
|
using L = Layout<int8_t, int32_t, Int128>;
|
|
EXPECT_EQ(0, Distance(p, Type<const int8_t*>(L::Partial().Pointer<int8_t>(p))));
|
|
EXPECT_EQ(0,
|
|
Distance(p, Type<const int8_t*>(L::Partial(0).Pointer<int8_t>(p))));
|
|
EXPECT_EQ(0,
|
|
Distance(p, Type<const int32_t*>(L::Partial(0).Pointer<int32_t>(p))));
|
|
EXPECT_EQ(0,
|
|
Distance(p, Type<const int8_t*>(L::Partial(1).Pointer<int8_t>(p))));
|
|
EXPECT_EQ(4,
|
|
Distance(p, Type<const int32_t*>(L::Partial(1).Pointer<int32_t>(p))));
|
|
EXPECT_EQ(0,
|
|
Distance(p, Type<const int8_t*>(L::Partial(5).Pointer<int8_t>(p))));
|
|
EXPECT_EQ(8,
|
|
Distance(p, Type<const int32_t*>(L::Partial(5).Pointer<int32_t>(p))));
|
|
EXPECT_EQ(
|
|
0, Distance(p, Type<const int8_t*>(L::Partial(0, 0).Pointer<int8_t>(p))));
|
|
EXPECT_EQ(
|
|
0, Distance(p, Type<const int32_t*>(L::Partial(0, 0).Pointer<int32_t>(p))));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(p, Type<const Int128*>(L::Partial(0, 0).Pointer<Int128>(p))));
|
|
EXPECT_EQ(
|
|
0, Distance(p, Type<const int8_t*>(L::Partial(1, 0).Pointer<int8_t>(p))));
|
|
EXPECT_EQ(
|
|
4, Distance(p, Type<const int32_t*>(L::Partial(1, 0).Pointer<int32_t>(p))));
|
|
EXPECT_EQ(
|
|
8,
|
|
Distance(p, Type<const Int128*>(L::Partial(1, 0).Pointer<Int128>(p))));
|
|
EXPECT_EQ(
|
|
0, Distance(p, Type<const int8_t*>(L::Partial(5, 3).Pointer<int8_t>(p))));
|
|
EXPECT_EQ(
|
|
8, Distance(p, Type<const int32_t*>(L::Partial(5, 3).Pointer<int32_t>(p))));
|
|
EXPECT_EQ(
|
|
24,
|
|
Distance(p, Type<const Int128*>(L::Partial(5, 3).Pointer<Int128>(p))));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(p, Type<const int8_t*>(L::Partial(0, 0, 0).Pointer<int8_t>(p))));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(p, Type<const int32_t*>(L::Partial(0, 0, 0).Pointer<int32_t>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<const Int128*>(
|
|
L::Partial(0, 0, 0).Pointer<Int128>(p))));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(p, Type<const int8_t*>(L::Partial(1, 0, 0).Pointer<int8_t>(p))));
|
|
EXPECT_EQ(
|
|
4,
|
|
Distance(p, Type<const int32_t*>(L::Partial(1, 0, 0).Pointer<int32_t>(p))));
|
|
EXPECT_EQ(8, Distance(p, Type<const Int128*>(
|
|
L::Partial(1, 0, 0).Pointer<Int128>(p))));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(p, Type<const int8_t*>(L::Partial(5, 3, 1).Pointer<int8_t>(p))));
|
|
EXPECT_EQ(24, Distance(p, Type<const Int128*>(
|
|
L::Partial(5, 3, 1).Pointer<Int128>(p))));
|
|
EXPECT_EQ(
|
|
8,
|
|
Distance(p, Type<const int32_t*>(L::Partial(5, 3, 1).Pointer<int32_t>(p))));
|
|
EXPECT_EQ(24,
|
|
Distance(p, Type<const Int128*>(L(5, 3, 1).Pointer<Int128>(p))));
|
|
EXPECT_EQ(8, Distance(p, Type<const int32_t*>(L(5, 3, 1).Pointer<int32_t>(p))));
|
|
}
|
|
}
|
|
|
|
TEST(Layout, MutablePointerByIndex) {
|
|
alignas(max_align_t) unsigned char p[100];
|
|
{
|
|
using L = Layout<int32_t>;
|
|
EXPECT_EQ(0, Distance(p, Type<int32_t*>(L::Partial().Pointer<0>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<int32_t*>(L::Partial(3).Pointer<0>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<int32_t*>(L(3).Pointer<0>(p))));
|
|
}
|
|
{
|
|
using L = Layout<int32_t, int32_t>;
|
|
EXPECT_EQ(0, Distance(p, Type<int32_t*>(L::Partial().Pointer<0>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<int32_t*>(L::Partial(3).Pointer<0>(p))));
|
|
EXPECT_EQ(12, Distance(p, Type<int32_t*>(L::Partial(3).Pointer<1>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<int32_t*>(L::Partial(3, 5).Pointer<0>(p))));
|
|
EXPECT_EQ(12, Distance(p, Type<int32_t*>(L::Partial(3, 5).Pointer<1>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<int32_t*>(L(3, 5).Pointer<0>(p))));
|
|
EXPECT_EQ(12, Distance(p, Type<int32_t*>(L(3, 5).Pointer<1>(p))));
|
|
}
|
|
{
|
|
using L = Layout<int8_t, int32_t, Int128>;
|
|
EXPECT_EQ(0, Distance(p, Type<int8_t*>(L::Partial().Pointer<0>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<int8_t*>(L::Partial(0).Pointer<0>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<int32_t*>(L::Partial(0).Pointer<1>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<int8_t*>(L::Partial(1).Pointer<0>(p))));
|
|
EXPECT_EQ(4, Distance(p, Type<int32_t*>(L::Partial(1).Pointer<1>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<int8_t*>(L::Partial(5).Pointer<0>(p))));
|
|
EXPECT_EQ(8, Distance(p, Type<int32_t*>(L::Partial(5).Pointer<1>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<int8_t*>(L::Partial(0, 0).Pointer<0>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<int32_t*>(L::Partial(0, 0).Pointer<1>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<Int128*>(L::Partial(0, 0).Pointer<2>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<int8_t*>(L::Partial(1, 0).Pointer<0>(p))));
|
|
EXPECT_EQ(4, Distance(p, Type<int32_t*>(L::Partial(1, 0).Pointer<1>(p))));
|
|
EXPECT_EQ(8, Distance(p, Type<Int128*>(L::Partial(1, 0).Pointer<2>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<int8_t*>(L::Partial(5, 3).Pointer<0>(p))));
|
|
EXPECT_EQ(8, Distance(p, Type<int32_t*>(L::Partial(5, 3).Pointer<1>(p))));
|
|
EXPECT_EQ(24, Distance(p, Type<Int128*>(L::Partial(5, 3).Pointer<2>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<int8_t*>(L::Partial(0, 0, 0).Pointer<0>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<int32_t*>(L::Partial(0, 0, 0).Pointer<1>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<Int128*>(L::Partial(0, 0, 0).Pointer<2>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<int8_t*>(L::Partial(1, 0, 0).Pointer<0>(p))));
|
|
EXPECT_EQ(4, Distance(p, Type<int32_t*>(L::Partial(1, 0, 0).Pointer<1>(p))));
|
|
EXPECT_EQ(8, Distance(p, Type<Int128*>(L::Partial(1, 0, 0).Pointer<2>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<int8_t*>(L::Partial(5, 3, 1).Pointer<0>(p))));
|
|
EXPECT_EQ(24,
|
|
Distance(p, Type<Int128*>(L::Partial(5, 3, 1).Pointer<2>(p))));
|
|
EXPECT_EQ(8, Distance(p, Type<int32_t*>(L::Partial(5, 3, 1).Pointer<1>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<int8_t*>(L(5, 3, 1).Pointer<0>(p))));
|
|
EXPECT_EQ(24, Distance(p, Type<Int128*>(L(5, 3, 1).Pointer<2>(p))));
|
|
EXPECT_EQ(8, Distance(p, Type<int32_t*>(L(5, 3, 1).Pointer<1>(p))));
|
|
}
|
|
}
|
|
|
|
TEST(Layout, MutablePointerByType) {
|
|
alignas(max_align_t) unsigned char p[100];
|
|
{
|
|
using L = Layout<int32_t>;
|
|
EXPECT_EQ(0, Distance(p, Type<int32_t*>(L::Partial().Pointer<int32_t>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<int32_t*>(L::Partial(3).Pointer<int32_t>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<int32_t*>(L(3).Pointer<int32_t>(p))));
|
|
}
|
|
{
|
|
using L = Layout<int8_t, int32_t, Int128>;
|
|
EXPECT_EQ(0, Distance(p, Type<int8_t*>(L::Partial().Pointer<int8_t>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<int8_t*>(L::Partial(0).Pointer<int8_t>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<int32_t*>(L::Partial(0).Pointer<int32_t>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<int8_t*>(L::Partial(1).Pointer<int8_t>(p))));
|
|
EXPECT_EQ(4, Distance(p, Type<int32_t*>(L::Partial(1).Pointer<int32_t>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<int8_t*>(L::Partial(5).Pointer<int8_t>(p))));
|
|
EXPECT_EQ(8, Distance(p, Type<int32_t*>(L::Partial(5).Pointer<int32_t>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<int8_t*>(L::Partial(0, 0).Pointer<int8_t>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<int32_t*>(L::Partial(0, 0).Pointer<int32_t>(p))));
|
|
EXPECT_EQ(0,
|
|
Distance(p, Type<Int128*>(L::Partial(0, 0).Pointer<Int128>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<int8_t*>(L::Partial(1, 0).Pointer<int8_t>(p))));
|
|
EXPECT_EQ(4, Distance(p, Type<int32_t*>(L::Partial(1, 0).Pointer<int32_t>(p))));
|
|
EXPECT_EQ(8,
|
|
Distance(p, Type<Int128*>(L::Partial(1, 0).Pointer<Int128>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<int8_t*>(L::Partial(5, 3).Pointer<int8_t>(p))));
|
|
EXPECT_EQ(8, Distance(p, Type<int32_t*>(L::Partial(5, 3).Pointer<int32_t>(p))));
|
|
EXPECT_EQ(24,
|
|
Distance(p, Type<Int128*>(L::Partial(5, 3).Pointer<Int128>(p))));
|
|
EXPECT_EQ(0,
|
|
Distance(p, Type<int8_t*>(L::Partial(0, 0, 0).Pointer<int8_t>(p))));
|
|
EXPECT_EQ(0,
|
|
Distance(p, Type<int32_t*>(L::Partial(0, 0, 0).Pointer<int32_t>(p))));
|
|
EXPECT_EQ(
|
|
0, Distance(p, Type<Int128*>(L::Partial(0, 0, 0).Pointer<Int128>(p))));
|
|
EXPECT_EQ(0,
|
|
Distance(p, Type<int8_t*>(L::Partial(1, 0, 0).Pointer<int8_t>(p))));
|
|
EXPECT_EQ(4,
|
|
Distance(p, Type<int32_t*>(L::Partial(1, 0, 0).Pointer<int32_t>(p))));
|
|
EXPECT_EQ(
|
|
8, Distance(p, Type<Int128*>(L::Partial(1, 0, 0).Pointer<Int128>(p))));
|
|
EXPECT_EQ(0,
|
|
Distance(p, Type<int8_t*>(L::Partial(5, 3, 1).Pointer<int8_t>(p))));
|
|
EXPECT_EQ(
|
|
24, Distance(p, Type<Int128*>(L::Partial(5, 3, 1).Pointer<Int128>(p))));
|
|
EXPECT_EQ(8,
|
|
Distance(p, Type<int32_t*>(L::Partial(5, 3, 1).Pointer<int32_t>(p))));
|
|
EXPECT_EQ(0, Distance(p, Type<int8_t*>(L(5, 3, 1).Pointer<int8_t>(p))));
|
|
EXPECT_EQ(24, Distance(p, Type<Int128*>(L(5, 3, 1).Pointer<Int128>(p))));
|
|
EXPECT_EQ(8, Distance(p, Type<int32_t*>(L(5, 3, 1).Pointer<int32_t>(p))));
|
|
}
|
|
}
|
|
|
|
TEST(Layout, Pointers) {
|
|
alignas(max_align_t) const unsigned char p[100] = {};
|
|
using L = Layout<int8_t, int8_t, Int128>;
|
|
{
|
|
const auto x = L::Partial();
|
|
EXPECT_EQ(std::make_tuple(x.Pointer<0>(p)),
|
|
Type<std::tuple<const int8_t*>>(x.Pointers(p)));
|
|
}
|
|
{
|
|
const auto x = L::Partial(1);
|
|
EXPECT_EQ(std::make_tuple(x.Pointer<0>(p), x.Pointer<1>(p)),
|
|
(Type<std::tuple<const int8_t*, const int8_t*>>(x.Pointers(p))));
|
|
}
|
|
{
|
|
const auto x = L::Partial(1, 2);
|
|
EXPECT_EQ(
|
|
std::make_tuple(x.Pointer<0>(p), x.Pointer<1>(p), x.Pointer<2>(p)),
|
|
(Type<std::tuple<const int8_t*, const int8_t*, const Int128*>>(
|
|
x.Pointers(p))));
|
|
}
|
|
{
|
|
const auto x = L::Partial(1, 2, 3);
|
|
EXPECT_EQ(
|
|
std::make_tuple(x.Pointer<0>(p), x.Pointer<1>(p), x.Pointer<2>(p)),
|
|
(Type<std::tuple<const int8_t*, const int8_t*, const Int128*>>(
|
|
x.Pointers(p))));
|
|
}
|
|
{
|
|
const L x(1, 2, 3);
|
|
EXPECT_EQ(
|
|
std::make_tuple(x.Pointer<0>(p), x.Pointer<1>(p), x.Pointer<2>(p)),
|
|
(Type<std::tuple<const int8_t*, const int8_t*, const Int128*>>(
|
|
x.Pointers(p))));
|
|
}
|
|
}
|
|
|
|
TEST(Layout, MutablePointers) {
|
|
alignas(max_align_t) unsigned char p[100];
|
|
using L = Layout<int8_t, int8_t, Int128>;
|
|
{
|
|
const auto x = L::Partial();
|
|
EXPECT_EQ(std::make_tuple(x.Pointer<0>(p)),
|
|
Type<std::tuple<int8_t*>>(x.Pointers(p)));
|
|
}
|
|
{
|
|
const auto x = L::Partial(1);
|
|
EXPECT_EQ(std::make_tuple(x.Pointer<0>(p), x.Pointer<1>(p)),
|
|
(Type<std::tuple<int8_t*, int8_t*>>(x.Pointers(p))));
|
|
}
|
|
{
|
|
const auto x = L::Partial(1, 2);
|
|
EXPECT_EQ(
|
|
std::make_tuple(x.Pointer<0>(p), x.Pointer<1>(p), x.Pointer<2>(p)),
|
|
(Type<std::tuple<int8_t*, int8_t*, Int128*>>(x.Pointers(p))));
|
|
}
|
|
{
|
|
const auto x = L::Partial(1, 2, 3);
|
|
EXPECT_EQ(
|
|
std::make_tuple(x.Pointer<0>(p), x.Pointer<1>(p), x.Pointer<2>(p)),
|
|
(Type<std::tuple<int8_t*, int8_t*, Int128*>>(x.Pointers(p))));
|
|
}
|
|
{
|
|
const L x(1, 2, 3);
|
|
EXPECT_EQ(
|
|
std::make_tuple(x.Pointer<0>(p), x.Pointer<1>(p), x.Pointer<2>(p)),
|
|
(Type<std::tuple<int8_t*, int8_t*, Int128*>>(x.Pointers(p))));
|
|
}
|
|
}
|
|
|
|
TEST(Layout, SliceByIndexSize) {
|
|
alignas(max_align_t) const unsigned char p[100] = {};
|
|
{
|
|
using L = Layout<int32_t>;
|
|
EXPECT_EQ(0, L::Partial(0).Slice<0>(p).size());
|
|
EXPECT_EQ(3, L::Partial(3).Slice<0>(p).size());
|
|
EXPECT_EQ(3, L(3).Slice<0>(p).size());
|
|
}
|
|
{
|
|
using L = Layout<int32_t, int32_t>;
|
|
EXPECT_EQ(3, L::Partial(3).Slice<0>(p).size());
|
|
EXPECT_EQ(5, L::Partial(3, 5).Slice<1>(p).size());
|
|
EXPECT_EQ(5, L(3, 5).Slice<1>(p).size());
|
|
}
|
|
{
|
|
using L = Layout<int8_t, int32_t, Int128>;
|
|
EXPECT_EQ(3, L::Partial(3).Slice<0>(p).size());
|
|
EXPECT_EQ(3, L::Partial(3, 5).Slice<0>(p).size());
|
|
EXPECT_EQ(5, L::Partial(3, 5).Slice<1>(p).size());
|
|
EXPECT_EQ(3, L::Partial(3, 5, 7).Slice<0>(p).size());
|
|
EXPECT_EQ(5, L::Partial(3, 5, 7).Slice<1>(p).size());
|
|
EXPECT_EQ(7, L::Partial(3, 5, 7).Slice<2>(p).size());
|
|
EXPECT_EQ(3, L(3, 5, 7).Slice<0>(p).size());
|
|
EXPECT_EQ(5, L(3, 5, 7).Slice<1>(p).size());
|
|
EXPECT_EQ(7, L(3, 5, 7).Slice<2>(p).size());
|
|
}
|
|
}
|
|
|
|
TEST(Layout, SliceByTypeSize) {
|
|
alignas(max_align_t) const unsigned char p[100] = {};
|
|
{
|
|
using L = Layout<int32_t>;
|
|
EXPECT_EQ(0, L::Partial(0).Slice<int32_t>(p).size());
|
|
EXPECT_EQ(3, L::Partial(3).Slice<int32_t>(p).size());
|
|
EXPECT_EQ(3, L(3).Slice<int32_t>(p).size());
|
|
}
|
|
{
|
|
using L = Layout<int8_t, int32_t, Int128>;
|
|
EXPECT_EQ(3, L::Partial(3).Slice<int8_t>(p).size());
|
|
EXPECT_EQ(3, L::Partial(3, 5).Slice<int8_t>(p).size());
|
|
EXPECT_EQ(5, L::Partial(3, 5).Slice<int32_t>(p).size());
|
|
EXPECT_EQ(3, L::Partial(3, 5, 7).Slice<int8_t>(p).size());
|
|
EXPECT_EQ(5, L::Partial(3, 5, 7).Slice<int32_t>(p).size());
|
|
EXPECT_EQ(7, L::Partial(3, 5, 7).Slice<Int128>(p).size());
|
|
EXPECT_EQ(3, L(3, 5, 7).Slice<int8_t>(p).size());
|
|
EXPECT_EQ(5, L(3, 5, 7).Slice<int32_t>(p).size());
|
|
EXPECT_EQ(7, L(3, 5, 7).Slice<Int128>(p).size());
|
|
}
|
|
}
|
|
|
|
TEST(Layout, MutableSliceByIndexSize) {
|
|
alignas(max_align_t) unsigned char p[100];
|
|
{
|
|
using L = Layout<int32_t>;
|
|
EXPECT_EQ(0, L::Partial(0).Slice<0>(p).size());
|
|
EXPECT_EQ(3, L::Partial(3).Slice<0>(p).size());
|
|
EXPECT_EQ(3, L(3).Slice<0>(p).size());
|
|
}
|
|
{
|
|
using L = Layout<int32_t, int32_t>;
|
|
EXPECT_EQ(3, L::Partial(3).Slice<0>(p).size());
|
|
EXPECT_EQ(5, L::Partial(3, 5).Slice<1>(p).size());
|
|
EXPECT_EQ(5, L(3, 5).Slice<1>(p).size());
|
|
}
|
|
{
|
|
using L = Layout<int8_t, int32_t, Int128>;
|
|
EXPECT_EQ(3, L::Partial(3).Slice<0>(p).size());
|
|
EXPECT_EQ(3, L::Partial(3, 5).Slice<0>(p).size());
|
|
EXPECT_EQ(5, L::Partial(3, 5).Slice<1>(p).size());
|
|
EXPECT_EQ(3, L::Partial(3, 5, 7).Slice<0>(p).size());
|
|
EXPECT_EQ(5, L::Partial(3, 5, 7).Slice<1>(p).size());
|
|
EXPECT_EQ(7, L::Partial(3, 5, 7).Slice<2>(p).size());
|
|
EXPECT_EQ(3, L(3, 5, 7).Slice<0>(p).size());
|
|
EXPECT_EQ(5, L(3, 5, 7).Slice<1>(p).size());
|
|
EXPECT_EQ(7, L(3, 5, 7).Slice<2>(p).size());
|
|
}
|
|
}
|
|
|
|
TEST(Layout, MutableSliceByTypeSize) {
|
|
alignas(max_align_t) unsigned char p[100];
|
|
{
|
|
using L = Layout<int32_t>;
|
|
EXPECT_EQ(0, L::Partial(0).Slice<int32_t>(p).size());
|
|
EXPECT_EQ(3, L::Partial(3).Slice<int32_t>(p).size());
|
|
EXPECT_EQ(3, L(3).Slice<int32_t>(p).size());
|
|
}
|
|
{
|
|
using L = Layout<int8_t, int32_t, Int128>;
|
|
EXPECT_EQ(3, L::Partial(3).Slice<int8_t>(p).size());
|
|
EXPECT_EQ(3, L::Partial(3, 5).Slice<int8_t>(p).size());
|
|
EXPECT_EQ(5, L::Partial(3, 5).Slice<int32_t>(p).size());
|
|
EXPECT_EQ(3, L::Partial(3, 5, 7).Slice<int8_t>(p).size());
|
|
EXPECT_EQ(5, L::Partial(3, 5, 7).Slice<int32_t>(p).size());
|
|
EXPECT_EQ(7, L::Partial(3, 5, 7).Slice<Int128>(p).size());
|
|
EXPECT_EQ(3, L(3, 5, 7).Slice<int8_t>(p).size());
|
|
EXPECT_EQ(5, L(3, 5, 7).Slice<int32_t>(p).size());
|
|
EXPECT_EQ(7, L(3, 5, 7).Slice<Int128>(p).size());
|
|
}
|
|
}
|
|
|
|
TEST(Layout, SliceByIndexData) {
|
|
alignas(max_align_t) const unsigned char p[100] = {};
|
|
{
|
|
using L = Layout<int32_t>;
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(p, Type<Span<const int32_t>>(L::Partial(0).Slice<0>(p)).data()));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(p, Type<Span<const int32_t>>(L::Partial(3).Slice<0>(p)).data()));
|
|
EXPECT_EQ(0, Distance(p, Type<Span<const int32_t>>(L(3).Slice<0>(p)).data()));
|
|
}
|
|
{
|
|
using L = Layout<int32_t, int32_t>;
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(p, Type<Span<const int32_t>>(L::Partial(3).Slice<0>(p)).data()));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(p,
|
|
Type<Span<const int32_t>>(L::Partial(3, 5).Slice<0>(p)).data()));
|
|
EXPECT_EQ(
|
|
12,
|
|
Distance(p,
|
|
Type<Span<const int32_t>>(L::Partial(3, 5).Slice<1>(p)).data()));
|
|
EXPECT_EQ(0,
|
|
Distance(p, Type<Span<const int32_t>>(L(3, 5).Slice<0>(p)).data()));
|
|
EXPECT_EQ(12,
|
|
Distance(p, Type<Span<const int32_t>>(L(3, 5).Slice<1>(p)).data()));
|
|
}
|
|
{
|
|
using L = Layout<int8_t, int32_t, Int128>;
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(p, Type<Span<const int8_t>>(L::Partial(0).Slice<0>(p)).data()));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(p, Type<Span<const int8_t>>(L::Partial(1).Slice<0>(p)).data()));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(p, Type<Span<const int8_t>>(L::Partial(5).Slice<0>(p)).data()));
|
|
EXPECT_EQ(
|
|
0, Distance(
|
|
p, Type<Span<const int8_t>>(L::Partial(0, 0).Slice<0>(p)).data()));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(p,
|
|
Type<Span<const int32_t>>(L::Partial(0, 0).Slice<1>(p)).data()));
|
|
EXPECT_EQ(
|
|
0, Distance(
|
|
p, Type<Span<const int8_t>>(L::Partial(1, 0).Slice<0>(p)).data()));
|
|
EXPECT_EQ(
|
|
4,
|
|
Distance(p,
|
|
Type<Span<const int32_t>>(L::Partial(1, 0).Slice<1>(p)).data()));
|
|
EXPECT_EQ(
|
|
0, Distance(
|
|
p, Type<Span<const int8_t>>(L::Partial(5, 3).Slice<0>(p)).data()));
|
|
EXPECT_EQ(
|
|
8,
|
|
Distance(p,
|
|
Type<Span<const int32_t>>(L::Partial(5, 3).Slice<1>(p)).data()));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(
|
|
p, Type<Span<const int8_t>>(L::Partial(0, 0, 0).Slice<0>(p)).data()));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(
|
|
p,
|
|
Type<Span<const int32_t>>(L::Partial(0, 0, 0).Slice<1>(p)).data()));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(
|
|
p,
|
|
Type<Span<const Int128>>(L::Partial(0, 0, 0).Slice<2>(p)).data()));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(
|
|
p, Type<Span<const int8_t>>(L::Partial(1, 0, 0).Slice<0>(p)).data()));
|
|
EXPECT_EQ(
|
|
4,
|
|
Distance(
|
|
p,
|
|
Type<Span<const int32_t>>(L::Partial(1, 0, 0).Slice<1>(p)).data()));
|
|
EXPECT_EQ(
|
|
8,
|
|
Distance(
|
|
p,
|
|
Type<Span<const Int128>>(L::Partial(1, 0, 0).Slice<2>(p)).data()));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(
|
|
p, Type<Span<const int8_t>>(L::Partial(5, 3, 1).Slice<0>(p)).data()));
|
|
EXPECT_EQ(
|
|
24,
|
|
Distance(
|
|
p,
|
|
Type<Span<const Int128>>(L::Partial(5, 3, 1).Slice<2>(p)).data()));
|
|
EXPECT_EQ(
|
|
8,
|
|
Distance(
|
|
p,
|
|
Type<Span<const int32_t>>(L::Partial(5, 3, 1).Slice<1>(p)).data()));
|
|
EXPECT_EQ(
|
|
0, Distance(p, Type<Span<const int8_t>>(L(5, 3, 1).Slice<0>(p)).data()));
|
|
EXPECT_EQ(
|
|
24,
|
|
Distance(p, Type<Span<const Int128>>(L(5, 3, 1).Slice<2>(p)).data()));
|
|
EXPECT_EQ(
|
|
8, Distance(p, Type<Span<const int32_t>>(L(5, 3, 1).Slice<1>(p)).data()));
|
|
}
|
|
}
|
|
|
|
TEST(Layout, SliceByTypeData) {
|
|
alignas(max_align_t) const unsigned char p[100] = {};
|
|
{
|
|
using L = Layout<int32_t>;
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(
|
|
p, Type<Span<const int32_t>>(L::Partial(0).Slice<int32_t>(p)).data()));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(
|
|
p, Type<Span<const int32_t>>(L::Partial(3).Slice<int32_t>(p)).data()));
|
|
EXPECT_EQ(
|
|
0, Distance(p, Type<Span<const int32_t>>(L(3).Slice<int32_t>(p)).data()));
|
|
}
|
|
{
|
|
using L = Layout<int8_t, int32_t, Int128>;
|
|
EXPECT_EQ(
|
|
0, Distance(
|
|
p, Type<Span<const int8_t>>(L::Partial(0).Slice<int8_t>(p)).data()));
|
|
EXPECT_EQ(
|
|
0, Distance(
|
|
p, Type<Span<const int8_t>>(L::Partial(1).Slice<int8_t>(p)).data()));
|
|
EXPECT_EQ(
|
|
0, Distance(
|
|
p, Type<Span<const int8_t>>(L::Partial(5).Slice<int8_t>(p)).data()));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(
|
|
p, Type<Span<const int8_t>>(L::Partial(0, 0).Slice<int8_t>(p)).data()));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(
|
|
p,
|
|
Type<Span<const int32_t>>(L::Partial(0, 0).Slice<int32_t>(p)).data()));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(
|
|
p, Type<Span<const int8_t>>(L::Partial(1, 0).Slice<int8_t>(p)).data()));
|
|
EXPECT_EQ(
|
|
4,
|
|
Distance(
|
|
p,
|
|
Type<Span<const int32_t>>(L::Partial(1, 0).Slice<int32_t>(p)).data()));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(
|
|
p, Type<Span<const int8_t>>(L::Partial(5, 3).Slice<int8_t>(p)).data()));
|
|
EXPECT_EQ(
|
|
8,
|
|
Distance(
|
|
p,
|
|
Type<Span<const int32_t>>(L::Partial(5, 3).Slice<int32_t>(p)).data()));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(
|
|
p,
|
|
Type<Span<const int8_t>>(L::Partial(0, 0, 0).Slice<int8_t>(p)).data()));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(p, Type<Span<const int32_t>>(L::Partial(0, 0, 0).Slice<int32_t>(p))
|
|
.data()));
|
|
EXPECT_EQ(0, Distance(p, Type<Span<const Int128>>(
|
|
L::Partial(0, 0, 0).Slice<Int128>(p))
|
|
.data()));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(
|
|
p,
|
|
Type<Span<const int8_t>>(L::Partial(1, 0, 0).Slice<int8_t>(p)).data()));
|
|
EXPECT_EQ(
|
|
4,
|
|
Distance(p, Type<Span<const int32_t>>(L::Partial(1, 0, 0).Slice<int32_t>(p))
|
|
.data()));
|
|
EXPECT_EQ(8, Distance(p, Type<Span<const Int128>>(
|
|
L::Partial(1, 0, 0).Slice<Int128>(p))
|
|
.data()));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(
|
|
p,
|
|
Type<Span<const int8_t>>(L::Partial(5, 3, 1).Slice<int8_t>(p)).data()));
|
|
EXPECT_EQ(24, Distance(p, Type<Span<const Int128>>(
|
|
L::Partial(5, 3, 1).Slice<Int128>(p))
|
|
.data()));
|
|
EXPECT_EQ(
|
|
8,
|
|
Distance(p, Type<Span<const int32_t>>(L::Partial(5, 3, 1).Slice<int32_t>(p))
|
|
.data()));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(p, Type<Span<const int8_t>>(L(5, 3, 1).Slice<int8_t>(p)).data()));
|
|
EXPECT_EQ(
|
|
24,
|
|
Distance(p,
|
|
Type<Span<const Int128>>(L(5, 3, 1).Slice<Int128>(p)).data()));
|
|
EXPECT_EQ(
|
|
8, Distance(
|
|
p, Type<Span<const int32_t>>(L(5, 3, 1).Slice<int32_t>(p)).data()));
|
|
}
|
|
}
|
|
|
|
TEST(Layout, MutableSliceByIndexData) {
|
|
alignas(max_align_t) unsigned char p[100];
|
|
{
|
|
using L = Layout<int32_t>;
|
|
EXPECT_EQ(0,
|
|
Distance(p, Type<Span<int32_t>>(L::Partial(0).Slice<0>(p)).data()));
|
|
EXPECT_EQ(0,
|
|
Distance(p, Type<Span<int32_t>>(L::Partial(3).Slice<0>(p)).data()));
|
|
EXPECT_EQ(0, Distance(p, Type<Span<int32_t>>(L(3).Slice<0>(p)).data()));
|
|
}
|
|
{
|
|
using L = Layout<int32_t, int32_t>;
|
|
EXPECT_EQ(0,
|
|
Distance(p, Type<Span<int32_t>>(L::Partial(3).Slice<0>(p)).data()));
|
|
EXPECT_EQ(
|
|
0, Distance(p, Type<Span<int32_t>>(L::Partial(3, 5).Slice<0>(p)).data()));
|
|
EXPECT_EQ(
|
|
12,
|
|
Distance(p, Type<Span<int32_t>>(L::Partial(3, 5).Slice<1>(p)).data()));
|
|
EXPECT_EQ(0, Distance(p, Type<Span<int32_t>>(L(3, 5).Slice<0>(p)).data()));
|
|
EXPECT_EQ(12, Distance(p, Type<Span<int32_t>>(L(3, 5).Slice<1>(p)).data()));
|
|
}
|
|
{
|
|
using L = Layout<int8_t, int32_t, Int128>;
|
|
EXPECT_EQ(0,
|
|
Distance(p, Type<Span<int8_t>>(L::Partial(0).Slice<0>(p)).data()));
|
|
EXPECT_EQ(0,
|
|
Distance(p, Type<Span<int8_t>>(L::Partial(1).Slice<0>(p)).data()));
|
|
EXPECT_EQ(0,
|
|
Distance(p, Type<Span<int8_t>>(L::Partial(5).Slice<0>(p)).data()));
|
|
EXPECT_EQ(
|
|
0, Distance(p, Type<Span<int8_t>>(L::Partial(0, 0).Slice<0>(p)).data()));
|
|
EXPECT_EQ(
|
|
0, Distance(p, Type<Span<int32_t>>(L::Partial(0, 0).Slice<1>(p)).data()));
|
|
EXPECT_EQ(
|
|
0, Distance(p, Type<Span<int8_t>>(L::Partial(1, 0).Slice<0>(p)).data()));
|
|
EXPECT_EQ(
|
|
4, Distance(p, Type<Span<int32_t>>(L::Partial(1, 0).Slice<1>(p)).data()));
|
|
EXPECT_EQ(
|
|
0, Distance(p, Type<Span<int8_t>>(L::Partial(5, 3).Slice<0>(p)).data()));
|
|
EXPECT_EQ(
|
|
8, Distance(p, Type<Span<int32_t>>(L::Partial(5, 3).Slice<1>(p)).data()));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(p, Type<Span<int8_t>>(L::Partial(0, 0, 0).Slice<0>(p)).data()));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(p, Type<Span<int32_t>>(L::Partial(0, 0, 0).Slice<1>(p)).data()));
|
|
EXPECT_EQ(
|
|
0, Distance(
|
|
p, Type<Span<Int128>>(L::Partial(0, 0, 0).Slice<2>(p)).data()));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(p, Type<Span<int8_t>>(L::Partial(1, 0, 0).Slice<0>(p)).data()));
|
|
EXPECT_EQ(
|
|
4,
|
|
Distance(p, Type<Span<int32_t>>(L::Partial(1, 0, 0).Slice<1>(p)).data()));
|
|
EXPECT_EQ(
|
|
8, Distance(
|
|
p, Type<Span<Int128>>(L::Partial(1, 0, 0).Slice<2>(p)).data()));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(p, Type<Span<int8_t>>(L::Partial(5, 3, 1).Slice<0>(p)).data()));
|
|
EXPECT_EQ(
|
|
24, Distance(
|
|
p, Type<Span<Int128>>(L::Partial(5, 3, 1).Slice<2>(p)).data()));
|
|
EXPECT_EQ(
|
|
8,
|
|
Distance(p, Type<Span<int32_t>>(L::Partial(5, 3, 1).Slice<1>(p)).data()));
|
|
EXPECT_EQ(0, Distance(p, Type<Span<int8_t>>(L(5, 3, 1).Slice<0>(p)).data()));
|
|
EXPECT_EQ(24,
|
|
Distance(p, Type<Span<Int128>>(L(5, 3, 1).Slice<2>(p)).data()));
|
|
EXPECT_EQ(8, Distance(p, Type<Span<int32_t>>(L(5, 3, 1).Slice<1>(p)).data()));
|
|
}
|
|
}
|
|
|
|
TEST(Layout, MutableSliceByTypeData) {
|
|
alignas(max_align_t) unsigned char p[100];
|
|
{
|
|
using L = Layout<int32_t>;
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(p, Type<Span<int32_t>>(L::Partial(0).Slice<int32_t>(p)).data()));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(p, Type<Span<int32_t>>(L::Partial(3).Slice<int32_t>(p)).data()));
|
|
EXPECT_EQ(0, Distance(p, Type<Span<int32_t>>(L(3).Slice<int32_t>(p)).data()));
|
|
}
|
|
{
|
|
using L = Layout<int8_t, int32_t, Int128>;
|
|
EXPECT_EQ(
|
|
0, Distance(p, Type<Span<int8_t>>(L::Partial(0).Slice<int8_t>(p)).data()));
|
|
EXPECT_EQ(
|
|
0, Distance(p, Type<Span<int8_t>>(L::Partial(1).Slice<int8_t>(p)).data()));
|
|
EXPECT_EQ(
|
|
0, Distance(p, Type<Span<int8_t>>(L::Partial(5).Slice<int8_t>(p)).data()));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(p, Type<Span<int8_t>>(L::Partial(0, 0).Slice<int8_t>(p)).data()));
|
|
EXPECT_EQ(
|
|
0, Distance(
|
|
p, Type<Span<int32_t>>(L::Partial(0, 0).Slice<int32_t>(p)).data()));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(p, Type<Span<int8_t>>(L::Partial(1, 0).Slice<int8_t>(p)).data()));
|
|
EXPECT_EQ(
|
|
4, Distance(
|
|
p, Type<Span<int32_t>>(L::Partial(1, 0).Slice<int32_t>(p)).data()));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(p, Type<Span<int8_t>>(L::Partial(5, 3).Slice<int8_t>(p)).data()));
|
|
EXPECT_EQ(
|
|
8, Distance(
|
|
p, Type<Span<int32_t>>(L::Partial(5, 3).Slice<int32_t>(p)).data()));
|
|
EXPECT_EQ(
|
|
0, Distance(
|
|
p, Type<Span<int8_t>>(L::Partial(0, 0, 0).Slice<int8_t>(p)).data()));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(
|
|
p, Type<Span<int32_t>>(L::Partial(0, 0, 0).Slice<int32_t>(p)).data()));
|
|
EXPECT_EQ(
|
|
0,
|
|
Distance(
|
|
p,
|
|
Type<Span<Int128>>(L::Partial(0, 0, 0).Slice<Int128>(p)).data()));
|
|
EXPECT_EQ(
|
|
0, Distance(
|
|
p, Type<Span<int8_t>>(L::Partial(1, 0, 0).Slice<int8_t>(p)).data()));
|
|
EXPECT_EQ(
|
|
4,
|
|
Distance(
|
|
p, Type<Span<int32_t>>(L::Partial(1, 0, 0).Slice<int32_t>(p)).data()));
|
|
EXPECT_EQ(
|
|
8,
|
|
Distance(
|
|
p,
|
|
Type<Span<Int128>>(L::Partial(1, 0, 0).Slice<Int128>(p)).data()));
|
|
EXPECT_EQ(
|
|
0, Distance(
|
|
p, Type<Span<int8_t>>(L::Partial(5, 3, 1).Slice<int8_t>(p)).data()));
|
|
EXPECT_EQ(
|
|
24,
|
|
Distance(
|
|
p,
|
|
Type<Span<Int128>>(L::Partial(5, 3, 1).Slice<Int128>(p)).data()));
|
|
EXPECT_EQ(
|
|
8,
|
|
Distance(
|
|
p, Type<Span<int32_t>>(L::Partial(5, 3, 1).Slice<int32_t>(p)).data()));
|
|
EXPECT_EQ(0,
|
|
Distance(p, Type<Span<int8_t>>(L(5, 3, 1).Slice<int8_t>(p)).data()));
|
|
EXPECT_EQ(
|
|
24,
|
|
Distance(p, Type<Span<Int128>>(L(5, 3, 1).Slice<Int128>(p)).data()));
|
|
EXPECT_EQ(
|
|
8, Distance(p, Type<Span<int32_t>>(L(5, 3, 1).Slice<int32_t>(p)).data()));
|
|
}
|
|
}
|
|
|
|
MATCHER_P(IsSameSlice, slice, "") {
|
|
return arg.size() == slice.size() && arg.data() == slice.data();
|
|
}
|
|
|
|
template <typename... M>
|
|
class TupleMatcher {
|
|
public:
|
|
explicit TupleMatcher(M... matchers) : matchers_(std::move(matchers)...) {}
|
|
|
|
template <typename Tuple>
|
|
bool MatchAndExplain(const Tuple& p,
|
|
testing::MatchResultListener* /* listener */) const {
|
|
static_assert(std::tuple_size<Tuple>::value == sizeof...(M), "");
|
|
return MatchAndExplainImpl(
|
|
p, absl::make_index_sequence<std::tuple_size<Tuple>::value>{});
|
|
}
|
|
|
|
// For the matcher concept. Left empty as we don't really need the diagnostics
|
|
// right now.
|
|
void DescribeTo(::std::ostream* os) const {}
|
|
void DescribeNegationTo(::std::ostream* os) const {}
|
|
|
|
private:
|
|
template <typename Tuple, size_t... Is>
|
|
bool MatchAndExplainImpl(const Tuple& p, absl::index_sequence<Is...>) const {
|
|
// Using std::min as a simple variadic "and".
|
|
return std::min(
|
|
{true, testing::SafeMatcherCast<
|
|
const typename std::tuple_element<Is, Tuple>::type&>(
|
|
std::get<Is>(matchers_))
|
|
.Matches(std::get<Is>(p))...});
|
|
}
|
|
|
|
std::tuple<M...> matchers_;
|
|
};
|
|
|
|
template <typename... M>
|
|
testing::PolymorphicMatcher<TupleMatcher<M...>> Tuple(M... matchers) {
|
|
return testing::MakePolymorphicMatcher(
|
|
TupleMatcher<M...>(std::move(matchers)...));
|
|
}
|
|
|
|
TEST(Layout, Slices) {
|
|
alignas(max_align_t) const unsigned char p[100] = {};
|
|
using L = Layout<int8_t, int8_t, Int128>;
|
|
{
|
|
const auto x = L::Partial();
|
|
EXPECT_THAT(Type<std::tuple<>>(x.Slices(p)), Tuple());
|
|
}
|
|
{
|
|
const auto x = L::Partial(1);
|
|
EXPECT_THAT(Type<std::tuple<Span<const int8_t>>>(x.Slices(p)),
|
|
Tuple(IsSameSlice(x.Slice<0>(p))));
|
|
}
|
|
{
|
|
const auto x = L::Partial(1, 2);
|
|
EXPECT_THAT(
|
|
(Type<std::tuple<Span<const int8_t>, Span<const int8_t>>>(x.Slices(p))),
|
|
Tuple(IsSameSlice(x.Slice<0>(p)), IsSameSlice(x.Slice<1>(p))));
|
|
}
|
|
{
|
|
const auto x = L::Partial(1, 2, 3);
|
|
EXPECT_THAT((Type<std::tuple<Span<const int8_t>, Span<const int8_t>,
|
|
Span<const Int128>>>(x.Slices(p))),
|
|
Tuple(IsSameSlice(x.Slice<0>(p)), IsSameSlice(x.Slice<1>(p)),
|
|
IsSameSlice(x.Slice<2>(p))));
|
|
}
|
|
{
|
|
const L x(1, 2, 3);
|
|
EXPECT_THAT((Type<std::tuple<Span<const int8_t>, Span<const int8_t>,
|
|
Span<const Int128>>>(x.Slices(p))),
|
|
Tuple(IsSameSlice(x.Slice<0>(p)), IsSameSlice(x.Slice<1>(p)),
|
|
IsSameSlice(x.Slice<2>(p))));
|
|
}
|
|
}
|
|
|
|
TEST(Layout, MutableSlices) {
|
|
alignas(max_align_t) unsigned char p[100] = {};
|
|
using L = Layout<int8_t, int8_t, Int128>;
|
|
{
|
|
const auto x = L::Partial();
|
|
EXPECT_THAT(Type<std::tuple<>>(x.Slices(p)), Tuple());
|
|
}
|
|
{
|
|
const auto x = L::Partial(1);
|
|
EXPECT_THAT(Type<std::tuple<Span<int8_t>>>(x.Slices(p)),
|
|
Tuple(IsSameSlice(x.Slice<0>(p))));
|
|
}
|
|
{
|
|
const auto x = L::Partial(1, 2);
|
|
EXPECT_THAT((Type<std::tuple<Span<int8_t>, Span<int8_t>>>(x.Slices(p))),
|
|
Tuple(IsSameSlice(x.Slice<0>(p)), IsSameSlice(x.Slice<1>(p))));
|
|
}
|
|
{
|
|
const auto x = L::Partial(1, 2, 3);
|
|
EXPECT_THAT(
|
|
(Type<std::tuple<Span<int8_t>, Span<int8_t>, Span<Int128>>>(x.Slices(p))),
|
|
Tuple(IsSameSlice(x.Slice<0>(p)), IsSameSlice(x.Slice<1>(p)),
|
|
IsSameSlice(x.Slice<2>(p))));
|
|
}
|
|
{
|
|
const L x(1, 2, 3);
|
|
EXPECT_THAT(
|
|
(Type<std::tuple<Span<int8_t>, Span<int8_t>, Span<Int128>>>(x.Slices(p))),
|
|
Tuple(IsSameSlice(x.Slice<0>(p)), IsSameSlice(x.Slice<1>(p)),
|
|
IsSameSlice(x.Slice<2>(p))));
|
|
}
|
|
}
|
|
|
|
TEST(Layout, UnalignedTypes) {
|
|
constexpr Layout<unsigned char, unsigned char, unsigned char> x(1, 2, 3);
|
|
alignas(max_align_t) unsigned char p[x.AllocSize() + 1];
|
|
EXPECT_THAT(x.Pointers(p + 1), Tuple(p + 1, p + 2, p + 4));
|
|
}
|
|
|
|
TEST(Layout, CustomAlignment) {
|
|
constexpr Layout<unsigned char, Aligned<unsigned char, 8>> x(1, 2);
|
|
alignas(max_align_t) unsigned char p[x.AllocSize()];
|
|
EXPECT_EQ(10, x.AllocSize());
|
|
EXPECT_THAT(x.Pointers(p), Tuple(p + 0, p + 8));
|
|
}
|
|
|
|
TEST(Layout, OverAligned) {
|
|
constexpr size_t M = alignof(max_align_t);
|
|
constexpr Layout<unsigned char, Aligned<unsigned char, 2 * M>> x(1, 3);
|
|
alignas(2 * M) unsigned char p[x.AllocSize()];
|
|
EXPECT_EQ(2 * M + 3, x.AllocSize());
|
|
EXPECT_THAT(x.Pointers(p), Tuple(p + 0, p + 2 * M));
|
|
}
|
|
|
|
TEST(Layout, Alignment) {
|
|
static_assert(Layout<int8_t>::Alignment() == 1, "");
|
|
static_assert(Layout<int32_t>::Alignment() == 4, "");
|
|
static_assert(Layout<Int64>::Alignment() == 8, "");
|
|
static_assert(Layout<Aligned<int8_t, 64>>::Alignment() == 64, "");
|
|
static_assert(Layout<int8_t, int32_t, Int64>::Alignment() == 8, "");
|
|
static_assert(Layout<int8_t, Int64, int32_t>::Alignment() == 8, "");
|
|
static_assert(Layout<int32_t, int8_t, Int64>::Alignment() == 8, "");
|
|
static_assert(Layout<int32_t, Int64, int8_t>::Alignment() == 8, "");
|
|
static_assert(Layout<Int64, int8_t, int32_t>::Alignment() == 8, "");
|
|
static_assert(Layout<Int64, int32_t, int8_t>::Alignment() == 8, "");
|
|
}
|
|
|
|
TEST(Layout, ConstexprPartial) {
|
|
constexpr size_t M = alignof(max_align_t);
|
|
constexpr Layout<unsigned char, Aligned<unsigned char, 2 * M>> x(1, 3);
|
|
static_assert(x.Partial(1).template Offset<1>() == 2 * M, "");
|
|
}
|
|
// [from, to)
|
|
struct Region {
|
|
size_t from;
|
|
size_t to;
|
|
};
|
|
|
|
void ExpectRegionPoisoned(const unsigned char* p, size_t n, bool poisoned) {
|
|
#ifdef ADDRESS_SANITIZER
|
|
for (size_t i = 0; i != n; ++i) {
|
|
EXPECT_EQ(poisoned, __asan_address_is_poisoned(p + i));
|
|
}
|
|
#endif
|
|
}
|
|
|
|
template <size_t N>
|
|
void ExpectPoisoned(const unsigned char (&buf)[N],
|
|
std::initializer_list<Region> reg) {
|
|
size_t prev = 0;
|
|
for (const Region& r : reg) {
|
|
ExpectRegionPoisoned(buf + prev, r.from - prev, false);
|
|
ExpectRegionPoisoned(buf + r.from, r.to - r.from, true);
|
|
prev = r.to;
|
|
}
|
|
ExpectRegionPoisoned(buf + prev, N - prev, false);
|
|
}
|
|
|
|
TEST(Layout, PoisonPadding) {
|
|
using L = Layout<int8_t, Int64, int32_t, Int128>;
|
|
|
|
constexpr size_t n = L::Partial(1, 2, 3, 4).AllocSize();
|
|
{
|
|
constexpr auto x = L::Partial();
|
|
alignas(max_align_t) const unsigned char c[n] = {};
|
|
x.PoisonPadding(c);
|
|
EXPECT_EQ(x.Slices(c), x.Slices(c));
|
|
ExpectPoisoned(c, {});
|
|
}
|
|
{
|
|
constexpr auto x = L::Partial(1);
|
|
alignas(max_align_t) const unsigned char c[n] = {};
|
|
x.PoisonPadding(c);
|
|
EXPECT_EQ(x.Slices(c), x.Slices(c));
|
|
ExpectPoisoned(c, {{1, 8}});
|
|
}
|
|
{
|
|
constexpr auto x = L::Partial(1, 2);
|
|
alignas(max_align_t) const unsigned char c[n] = {};
|
|
x.PoisonPadding(c);
|
|
EXPECT_EQ(x.Slices(c), x.Slices(c));
|
|
ExpectPoisoned(c, {{1, 8}});
|
|
}
|
|
{
|
|
constexpr auto x = L::Partial(1, 2, 3);
|
|
alignas(max_align_t) const unsigned char c[n] = {};
|
|
x.PoisonPadding(c);
|
|
EXPECT_EQ(x.Slices(c), x.Slices(c));
|
|
ExpectPoisoned(c, {{1, 8}, {36, 40}});
|
|
}
|
|
{
|
|
constexpr auto x = L::Partial(1, 2, 3, 4);
|
|
alignas(max_align_t) const unsigned char c[n] = {};
|
|
x.PoisonPadding(c);
|
|
EXPECT_EQ(x.Slices(c), x.Slices(c));
|
|
ExpectPoisoned(c, {{1, 8}, {36, 40}});
|
|
}
|
|
{
|
|
constexpr L x(1, 2, 3, 4);
|
|
alignas(max_align_t) const unsigned char c[n] = {};
|
|
x.PoisonPadding(c);
|
|
EXPECT_EQ(x.Slices(c), x.Slices(c));
|
|
ExpectPoisoned(c, {{1, 8}, {36, 40}});
|
|
}
|
|
}
|
|
|
|
TEST(Layout, DebugString) {
|
|
{
|
|
constexpr auto x = Layout<int8_t, int32_t, int8_t, Int128>::Partial();
|
|
EXPECT_EQ("@0<signed char>(1)", x.DebugString());
|
|
}
|
|
{
|
|
constexpr auto x = Layout<int8_t, int32_t, int8_t, Int128>::Partial(1);
|
|
EXPECT_EQ("@0<signed char>(1)[1]; @4<int>(4)", x.DebugString());
|
|
}
|
|
{
|
|
constexpr auto x = Layout<int8_t, int32_t, int8_t, Int128>::Partial(1, 2);
|
|
EXPECT_EQ("@0<signed char>(1)[1]; @4<int>(4)[2]; @12<signed char>(1)",
|
|
x.DebugString());
|
|
}
|
|
{
|
|
constexpr auto x = Layout<int8_t, int32_t, int8_t, Int128>::Partial(1, 2, 3);
|
|
EXPECT_EQ(
|
|
"@0<signed char>(1)[1]; @4<int>(4)[2]; @12<signed char>(1)[3]; "
|
|
"@16" +
|
|
Int128::Name() + "(16)",
|
|
x.DebugString());
|
|
}
|
|
{
|
|
constexpr auto x = Layout<int8_t, int32_t, int8_t, Int128>::Partial(1, 2, 3, 4);
|
|
EXPECT_EQ(
|
|
"@0<signed char>(1)[1]; @4<int>(4)[2]; @12<signed char>(1)[3]; "
|
|
"@16" +
|
|
Int128::Name() + "(16)[4]",
|
|
x.DebugString());
|
|
}
|
|
{
|
|
constexpr Layout<int8_t, int32_t, int8_t, Int128> x(1, 2, 3, 4);
|
|
EXPECT_EQ(
|
|
"@0<signed char>(1)[1]; @4<int>(4)[2]; @12<signed char>(1)[3]; "
|
|
"@16" +
|
|
Int128::Name() + "(16)[4]",
|
|
x.DebugString());
|
|
}
|
|
}
|
|
|
|
TEST(Layout, CharTypes) {
|
|
constexpr Layout<int32_t> x(1);
|
|
alignas(max_align_t) char c[x.AllocSize()] = {};
|
|
alignas(max_align_t) unsigned char uc[x.AllocSize()] = {};
|
|
alignas(max_align_t) signed char sc[x.AllocSize()] = {};
|
|
alignas(max_align_t) const char cc[x.AllocSize()] = {};
|
|
alignas(max_align_t) const unsigned char cuc[x.AllocSize()] = {};
|
|
alignas(max_align_t) const signed char csc[x.AllocSize()] = {};
|
|
|
|
Type<int32_t*>(x.Pointer<0>(c));
|
|
Type<int32_t*>(x.Pointer<0>(uc));
|
|
Type<int32_t*>(x.Pointer<0>(sc));
|
|
Type<const int32_t*>(x.Pointer<0>(cc));
|
|
Type<const int32_t*>(x.Pointer<0>(cuc));
|
|
Type<const int32_t*>(x.Pointer<0>(csc));
|
|
|
|
Type<int32_t*>(x.Pointer<int32_t>(c));
|
|
Type<int32_t*>(x.Pointer<int32_t>(uc));
|
|
Type<int32_t*>(x.Pointer<int32_t>(sc));
|
|
Type<const int32_t*>(x.Pointer<int32_t>(cc));
|
|
Type<const int32_t*>(x.Pointer<int32_t>(cuc));
|
|
Type<const int32_t*>(x.Pointer<int32_t>(csc));
|
|
|
|
Type<std::tuple<int32_t*>>(x.Pointers(c));
|
|
Type<std::tuple<int32_t*>>(x.Pointers(uc));
|
|
Type<std::tuple<int32_t*>>(x.Pointers(sc));
|
|
Type<std::tuple<const int32_t*>>(x.Pointers(cc));
|
|
Type<std::tuple<const int32_t*>>(x.Pointers(cuc));
|
|
Type<std::tuple<const int32_t*>>(x.Pointers(csc));
|
|
|
|
Type<Span<int32_t>>(x.Slice<0>(c));
|
|
Type<Span<int32_t>>(x.Slice<0>(uc));
|
|
Type<Span<int32_t>>(x.Slice<0>(sc));
|
|
Type<Span<const int32_t>>(x.Slice<0>(cc));
|
|
Type<Span<const int32_t>>(x.Slice<0>(cuc));
|
|
Type<Span<const int32_t>>(x.Slice<0>(csc));
|
|
|
|
Type<std::tuple<Span<int32_t>>>(x.Slices(c));
|
|
Type<std::tuple<Span<int32_t>>>(x.Slices(uc));
|
|
Type<std::tuple<Span<int32_t>>>(x.Slices(sc));
|
|
Type<std::tuple<Span<const int32_t>>>(x.Slices(cc));
|
|
Type<std::tuple<Span<const int32_t>>>(x.Slices(cuc));
|
|
Type<std::tuple<Span<const int32_t>>>(x.Slices(csc));
|
|
}
|
|
|
|
TEST(Layout, ConstElementType) {
|
|
constexpr Layout<const int32_t> x(1);
|
|
alignas(int32_t) char c[x.AllocSize()] = {};
|
|
const char* cc = c;
|
|
const int32_t* p = reinterpret_cast<const int32_t*>(cc);
|
|
|
|
EXPECT_EQ(alignof(int32_t), x.Alignment());
|
|
|
|
EXPECT_EQ(0, x.Offset<0>());
|
|
EXPECT_EQ(0, x.Offset<const int32_t>());
|
|
|
|
EXPECT_THAT(x.Offsets(), ElementsAre(0));
|
|
|
|
EXPECT_EQ(1, x.Size<0>());
|
|
EXPECT_EQ(1, x.Size<const int32_t>());
|
|
|
|
EXPECT_THAT(x.Sizes(), ElementsAre(1));
|
|
|
|
EXPECT_EQ(sizeof(int32_t), x.AllocSize());
|
|
|
|
EXPECT_EQ(p, Type<const int32_t*>(x.Pointer<0>(c)));
|
|
EXPECT_EQ(p, Type<const int32_t*>(x.Pointer<0>(cc)));
|
|
|
|
EXPECT_EQ(p, Type<const int32_t*>(x.Pointer<const int32_t>(c)));
|
|
EXPECT_EQ(p, Type<const int32_t*>(x.Pointer<const int32_t>(cc)));
|
|
|
|
EXPECT_THAT(Type<std::tuple<const int32_t*>>(x.Pointers(c)), Tuple(p));
|
|
EXPECT_THAT(Type<std::tuple<const int32_t*>>(x.Pointers(cc)), Tuple(p));
|
|
|
|
EXPECT_THAT(Type<Span<const int32_t>>(x.Slice<0>(c)),
|
|
IsSameSlice(Span<const int32_t>(p, 1)));
|
|
EXPECT_THAT(Type<Span<const int32_t>>(x.Slice<0>(cc)),
|
|
IsSameSlice(Span<const int32_t>(p, 1)));
|
|
|
|
EXPECT_THAT(Type<Span<const int32_t>>(x.Slice<const int32_t>(c)),
|
|
IsSameSlice(Span<const int32_t>(p, 1)));
|
|
EXPECT_THAT(Type<Span<const int32_t>>(x.Slice<const int32_t>(cc)),
|
|
IsSameSlice(Span<const int32_t>(p, 1)));
|
|
|
|
EXPECT_THAT(Type<std::tuple<Span<const int32_t>>>(x.Slices(c)),
|
|
Tuple(IsSameSlice(Span<const int32_t>(p, 1))));
|
|
EXPECT_THAT(Type<std::tuple<Span<const int32_t>>>(x.Slices(cc)),
|
|
Tuple(IsSameSlice(Span<const int32_t>(p, 1))));
|
|
}
|
|
|
|
namespace example {
|
|
|
|
// Immutable move-only string with sizeof equal to sizeof(void*). The string
|
|
// size and the characters are kept in the same heap allocation.
|
|
class CompactString {
|
|
public:
|
|
CompactString(const char* s = "") { // NOLINT
|
|
const size_t size = strlen(s);
|
|
// size_t[1], followed by char[size + 1].
|
|
// This statement doesn't allocate memory.
|
|
const L layout(1, size + 1);
|
|
// AllocSize() tells us how much memory we need to allocate for all our
|
|
// data.
|
|
p_.reset(new unsigned char[layout.AllocSize()]);
|
|
// If running under ASAN, mark the padding bytes, if any, to catch memory
|
|
// errors.
|
|
layout.PoisonPadding(p_.get());
|
|
// Store the size in the allocation.
|
|
// Pointer<size_t>() is a synonym for Pointer<0>().
|
|
*layout.Pointer<size_t>(p_.get()) = size;
|
|
// Store the characters in the allocation.
|
|
memcpy(layout.Pointer<char>(p_.get()), s, size + 1);
|
|
}
|
|
|
|
size_t size() const {
|
|
// Equivalent to reinterpret_cast<size_t&>(*p).
|
|
return *L::Partial().Pointer<size_t>(p_.get());
|
|
}
|
|
|
|
const char* c_str() const {
|
|
// Equivalent to reinterpret_cast<char*>(p.get() + sizeof(size_t)).
|
|
// The argument in Partial(1) specifies that we have size_t[1] in front of
|
|
// the characters.
|
|
return L::Partial(1).Pointer<char>(p_.get());
|
|
}
|
|
|
|
private:
|
|
// Our heap allocation contains a size_t followed by an array of chars.
|
|
using L = Layout<size_t, char>;
|
|
std::unique_ptr<unsigned char[]> p_;
|
|
};
|
|
|
|
TEST(CompactString, Works) {
|
|
CompactString s = "hello";
|
|
EXPECT_EQ(5, s.size());
|
|
EXPECT_STREQ("hello", s.c_str());
|
|
}
|
|
|
|
} // namespace example
|
|
|
|
} // namespace
|
|
} // namespace container_internal
|
|
} // namespace absl
|