2923513914
-- a7e789be4687681b98060fddbf8bd1c64a8f5908 by Abseil Team <absl-team@google.com>: Support C++20 erase_if API in btree. See the reference here: https://en.cppreference.com/w/cpp/container/set/erase_if. PiperOrigin-RevId: 286235196 -- 952dd2fdd8435dd293e2186c97e14ef3f29a1aa6 by Derek Mauro <dmauro@google.com>: Avoids accessing an out-of-bounds value during flag parsing PiperOrigin-RevId: 286206167 -- ba24591ade579fc4446a09bb3f23bf3602908c04 by Abseil Team <absl-team@google.com>: Change null term* (and nul term*) to NUL-term* in comments. PiperOrigin-RevId: 286066376 -- d770baecf36f3d7a8214ca2033d90696ba353d00 by Andy Soffer <asoffer@google.com>: cmake: Fix x86_64 check on Windows for random copts Import of https://github.com/abseil/abseil-cpp/pull/518 PiperOrigin-RevId: 286056395 -- 9ed007e284ecf6ec79547437dbed9ce3023204b9 by Greg Falcon <gfalcon@google.com>: Manual re-import of CCTZ from GitHub. filegroup() moved as a side effect of an internal change. PiperOrigin-RevId: 286015866 -- 25441cc5cb7ee906177f8dac0dcd524df0e6e305 by Derek Mauro <dmauro@google.com>: Fix implicit cycle in debugging build rules due to .inc files PiperOrigin-RevId: 285873346 GitOrigin-RevId: a7e789be4687681b98060fddbf8bd1c64a8f5908 Change-Id: Idef8cce4e723fccae6bdd749e94e11e655908214
651 lines
22 KiB
C++
651 lines
22 KiB
C++
#include <errno.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <cctype>
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#include <cmath>
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#include <string>
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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/strings/internal/str_format/bind.h"
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namespace absl {
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ABSL_NAMESPACE_BEGIN
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namespace str_format_internal {
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namespace {
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template <typename T, size_t N>
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size_t ArraySize(T (&)[N]) {
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return N;
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}
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std::string LengthModFor(float) { return ""; }
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std::string LengthModFor(double) { return ""; }
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std::string LengthModFor(long double) { return "L"; }
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std::string LengthModFor(char) { return "hh"; }
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std::string LengthModFor(signed char) { return "hh"; }
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std::string LengthModFor(unsigned char) { return "hh"; }
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std::string LengthModFor(short) { return "h"; } // NOLINT
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std::string LengthModFor(unsigned short) { return "h"; } // NOLINT
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std::string LengthModFor(int) { return ""; }
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std::string LengthModFor(unsigned) { return ""; }
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std::string LengthModFor(long) { return "l"; } // NOLINT
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std::string LengthModFor(unsigned long) { return "l"; } // NOLINT
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std::string LengthModFor(long long) { return "ll"; } // NOLINT
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std::string LengthModFor(unsigned long long) { return "ll"; } // NOLINT
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std::string EscCharImpl(int v) {
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if (std::isprint(static_cast<unsigned char>(v))) {
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return std::string(1, static_cast<char>(v));
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}
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char buf[64];
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int n = snprintf(buf, sizeof(buf), "\\%#.2x",
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static_cast<unsigned>(v & 0xff));
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assert(n > 0 && n < sizeof(buf));
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return std::string(buf, n);
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}
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std::string Esc(char v) { return EscCharImpl(v); }
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std::string Esc(signed char v) { return EscCharImpl(v); }
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std::string Esc(unsigned char v) { return EscCharImpl(v); }
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template <typename T>
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std::string Esc(const T &v) {
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std::ostringstream oss;
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oss << v;
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return oss.str();
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}
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void StrAppend(std::string *dst, const char *format, va_list ap) {
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// First try with a small fixed size buffer
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static const int kSpaceLength = 1024;
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char space[kSpaceLength];
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// It's possible for methods that use a va_list to invalidate
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// the data in it upon use. The fix is to make a copy
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// of the structure before using it and use that copy instead.
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va_list backup_ap;
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va_copy(backup_ap, ap);
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int result = vsnprintf(space, kSpaceLength, format, backup_ap);
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va_end(backup_ap);
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if (result < kSpaceLength) {
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if (result >= 0) {
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// Normal case -- everything fit.
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dst->append(space, result);
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return;
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}
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if (result < 0) {
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// Just an error.
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return;
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}
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}
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// Increase the buffer size to the size requested by vsnprintf,
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// plus one for the closing \0.
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int length = result + 1;
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char *buf = new char[length];
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// Restore the va_list before we use it again
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va_copy(backup_ap, ap);
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result = vsnprintf(buf, length, format, backup_ap);
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va_end(backup_ap);
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if (result >= 0 && result < length) {
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// It fit
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dst->append(buf, result);
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}
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delete[] buf;
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}
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std::string StrPrint(const char *format, ...) {
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va_list ap;
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va_start(ap, format);
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std::string result;
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StrAppend(&result, format, ap);
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va_end(ap);
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return result;
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}
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class FormatConvertTest : public ::testing::Test { };
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template <typename T>
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void TestStringConvert(const T& str) {
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const FormatArgImpl args[] = {FormatArgImpl(str)};
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struct Expectation {
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const char *out;
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const char *fmt;
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};
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const Expectation kExpect[] = {
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{"hello", "%1$s" },
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{"", "%1$.s" },
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{"", "%1$.0s" },
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{"h", "%1$.1s" },
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{"he", "%1$.2s" },
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{"hello", "%1$.10s" },
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{" hello", "%1$6s" },
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{" he", "%1$5.2s" },
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{"he ", "%1$-5.2s" },
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{"hello ", "%1$-6.10s" },
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};
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for (const Expectation &e : kExpect) {
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UntypedFormatSpecImpl format(e.fmt);
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EXPECT_EQ(e.out, FormatPack(format, absl::MakeSpan(args)));
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}
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}
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TEST_F(FormatConvertTest, BasicString) {
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TestStringConvert("hello"); // As char array.
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TestStringConvert(static_cast<const char*>("hello"));
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TestStringConvert(std::string("hello"));
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TestStringConvert(string_view("hello"));
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}
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TEST_F(FormatConvertTest, NullString) {
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const char* p = nullptr;
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UntypedFormatSpecImpl format("%s");
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EXPECT_EQ("", FormatPack(format, {FormatArgImpl(p)}));
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}
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TEST_F(FormatConvertTest, StringPrecision) {
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// We cap at the precision.
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char c = 'a';
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const char* p = &c;
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UntypedFormatSpecImpl format("%.1s");
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EXPECT_EQ("a", FormatPack(format, {FormatArgImpl(p)}));
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// We cap at the NUL-terminator.
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p = "ABC";
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UntypedFormatSpecImpl format2("%.10s");
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EXPECT_EQ("ABC", FormatPack(format2, {FormatArgImpl(p)}));
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}
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// Pointer formatting is implementation defined. This checks that the argument
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// can be matched to `ptr`.
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MATCHER_P(MatchesPointerString, ptr, "") {
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if (ptr == nullptr && arg == "(nil)") {
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return true;
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}
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void* parsed = nullptr;
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if (sscanf(arg.c_str(), "%p", &parsed) != 1) {
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ABSL_RAW_LOG(FATAL, "Could not parse %s", arg.c_str());
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}
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return ptr == parsed;
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}
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TEST_F(FormatConvertTest, Pointer) {
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static int x = 0;
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const int *xp = &x;
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char c = 'h';
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char *mcp = &c;
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const char *cp = "hi";
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const char *cnil = nullptr;
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const int *inil = nullptr;
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using VoidF = void (*)();
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VoidF fp = [] {}, fnil = nullptr;
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volatile char vc;
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volatile char *vcp = &vc;
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volatile char *vcnil = nullptr;
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const FormatArgImpl args_array[] = {
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FormatArgImpl(xp), FormatArgImpl(cp), FormatArgImpl(inil),
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FormatArgImpl(cnil), FormatArgImpl(mcp), FormatArgImpl(fp),
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FormatArgImpl(fnil), FormatArgImpl(vcp), FormatArgImpl(vcnil),
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};
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auto args = absl::MakeConstSpan(args_array);
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EXPECT_THAT(FormatPack(UntypedFormatSpecImpl("%p"), args),
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MatchesPointerString(&x));
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EXPECT_THAT(FormatPack(UntypedFormatSpecImpl("%20p"), args),
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MatchesPointerString(&x));
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EXPECT_THAT(FormatPack(UntypedFormatSpecImpl("%.1p"), args),
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MatchesPointerString(&x));
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EXPECT_THAT(FormatPack(UntypedFormatSpecImpl("%.20p"), args),
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MatchesPointerString(&x));
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EXPECT_THAT(FormatPack(UntypedFormatSpecImpl("%30.20p"), args),
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MatchesPointerString(&x));
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EXPECT_THAT(FormatPack(UntypedFormatSpecImpl("%-p"), args),
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MatchesPointerString(&x));
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EXPECT_THAT(FormatPack(UntypedFormatSpecImpl("%-20p"), args),
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MatchesPointerString(&x));
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EXPECT_THAT(FormatPack(UntypedFormatSpecImpl("%-.1p"), args),
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MatchesPointerString(&x));
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EXPECT_THAT(FormatPack(UntypedFormatSpecImpl("%.20p"), args),
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MatchesPointerString(&x));
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EXPECT_THAT(FormatPack(UntypedFormatSpecImpl("%-30.20p"), args),
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MatchesPointerString(&x));
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// const char*
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EXPECT_THAT(FormatPack(UntypedFormatSpecImpl("%2$p"), args),
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MatchesPointerString(cp));
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// null const int*
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EXPECT_THAT(FormatPack(UntypedFormatSpecImpl("%3$p"), args),
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MatchesPointerString(nullptr));
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// null const char*
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EXPECT_THAT(FormatPack(UntypedFormatSpecImpl("%4$p"), args),
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MatchesPointerString(nullptr));
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// nonconst char*
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EXPECT_THAT(FormatPack(UntypedFormatSpecImpl("%5$p"), args),
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MatchesPointerString(mcp));
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// function pointers
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EXPECT_THAT(FormatPack(UntypedFormatSpecImpl("%6$p"), args),
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MatchesPointerString(reinterpret_cast<const void*>(fp)));
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EXPECT_THAT(
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FormatPack(UntypedFormatSpecImpl("%8$p"), args),
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MatchesPointerString(reinterpret_cast<volatile const void *>(vcp)));
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// null function pointers
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EXPECT_THAT(FormatPack(UntypedFormatSpecImpl("%7$p"), args),
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MatchesPointerString(nullptr));
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EXPECT_THAT(FormatPack(UntypedFormatSpecImpl("%9$p"), args),
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MatchesPointerString(nullptr));
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}
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struct Cardinal {
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enum Pos { k1 = 1, k2 = 2, k3 = 3 };
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enum Neg { kM1 = -1, kM2 = -2, kM3 = -3 };
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};
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TEST_F(FormatConvertTest, Enum) {
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const Cardinal::Pos k3 = Cardinal::k3;
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const Cardinal::Neg km3 = Cardinal::kM3;
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const FormatArgImpl args[] = {FormatArgImpl(k3), FormatArgImpl(km3)};
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UntypedFormatSpecImpl format("%1$d");
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UntypedFormatSpecImpl format2("%2$d");
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EXPECT_EQ("3", FormatPack(format, absl::MakeSpan(args)));
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EXPECT_EQ("-3", FormatPack(format2, absl::MakeSpan(args)));
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}
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template <typename T>
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class TypedFormatConvertTest : public FormatConvertTest { };
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TYPED_TEST_SUITE_P(TypedFormatConvertTest);
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std::vector<std::string> AllFlagCombinations() {
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const char kFlags[] = {'-', '#', '0', '+', ' '};
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std::vector<std::string> result;
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for (size_t fsi = 0; fsi < (1ull << ArraySize(kFlags)); ++fsi) {
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std::string flag_set;
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for (size_t fi = 0; fi < ArraySize(kFlags); ++fi)
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if (fsi & (1ull << fi))
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flag_set += kFlags[fi];
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result.push_back(flag_set);
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}
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return result;
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}
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TYPED_TEST_P(TypedFormatConvertTest, AllIntsWithFlags) {
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typedef TypeParam T;
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typedef typename std::make_unsigned<T>::type UnsignedT;
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using remove_volatile_t = typename std::remove_volatile<T>::type;
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const T kMin = std::numeric_limits<remove_volatile_t>::min();
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const T kMax = std::numeric_limits<remove_volatile_t>::max();
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const T kVals[] = {
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remove_volatile_t(1),
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remove_volatile_t(2),
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remove_volatile_t(3),
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remove_volatile_t(123),
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remove_volatile_t(-1),
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remove_volatile_t(-2),
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remove_volatile_t(-3),
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remove_volatile_t(-123),
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remove_volatile_t(0),
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kMax - remove_volatile_t(1),
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kMax,
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kMin + remove_volatile_t(1),
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kMin,
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};
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const char kConvChars[] = {'d', 'i', 'u', 'o', 'x', 'X'};
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const std::string kWid[] = {"", "4", "10"};
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const std::string kPrec[] = {"", ".", ".0", ".4", ".10"};
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const std::vector<std::string> flag_sets = AllFlagCombinations();
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for (size_t vi = 0; vi < ArraySize(kVals); ++vi) {
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const T val = kVals[vi];
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SCOPED_TRACE(Esc(val));
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const FormatArgImpl args[] = {FormatArgImpl(val)};
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for (size_t ci = 0; ci < ArraySize(kConvChars); ++ci) {
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const char conv_char = kConvChars[ci];
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for (size_t fsi = 0; fsi < flag_sets.size(); ++fsi) {
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const std::string &flag_set = flag_sets[fsi];
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for (size_t wi = 0; wi < ArraySize(kWid); ++wi) {
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const std::string &wid = kWid[wi];
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for (size_t pi = 0; pi < ArraySize(kPrec); ++pi) {
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const std::string &prec = kPrec[pi];
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const bool is_signed_conv = (conv_char == 'd' || conv_char == 'i');
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const bool is_unsigned_to_signed =
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!std::is_signed<T>::value && is_signed_conv;
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// Don't consider sign-related flags '+' and ' ' when doing
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// unsigned to signed conversions.
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if (is_unsigned_to_signed &&
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flag_set.find_first_of("+ ") != std::string::npos) {
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continue;
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}
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std::string new_fmt("%");
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new_fmt += flag_set;
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new_fmt += wid;
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new_fmt += prec;
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// old and new always agree up to here.
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std::string old_fmt = new_fmt;
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new_fmt += conv_char;
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std::string old_result;
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if (is_unsigned_to_signed) {
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// don't expect agreement on unsigned formatted as signed,
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// as printf can't do that conversion properly. For those
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// cases, we do expect agreement with printf with a "%u"
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// and the unsigned equivalent of 'val'.
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UnsignedT uval = val;
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old_fmt += LengthModFor(uval);
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old_fmt += "u";
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old_result = StrPrint(old_fmt.c_str(), uval);
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} else {
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old_fmt += LengthModFor(val);
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old_fmt += conv_char;
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old_result = StrPrint(old_fmt.c_str(), val);
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}
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SCOPED_TRACE(std::string() + " old_fmt: \"" + old_fmt +
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"\"'"
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" new_fmt: \"" +
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new_fmt + "\"");
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UntypedFormatSpecImpl format(new_fmt);
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EXPECT_EQ(old_result, FormatPack(format, absl::MakeSpan(args)));
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}
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}
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}
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}
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}
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}
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TYPED_TEST_P(TypedFormatConvertTest, Char) {
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typedef TypeParam T;
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using remove_volatile_t = typename std::remove_volatile<T>::type;
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static const T kMin = std::numeric_limits<remove_volatile_t>::min();
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static const T kMax = std::numeric_limits<remove_volatile_t>::max();
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T kVals[] = {
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remove_volatile_t(1), remove_volatile_t(2), remove_volatile_t(10),
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remove_volatile_t(-1), remove_volatile_t(-2), remove_volatile_t(-10),
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remove_volatile_t(0),
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kMin + remove_volatile_t(1), kMin,
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kMax - remove_volatile_t(1), kMax
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};
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for (const T &c : kVals) {
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const FormatArgImpl args[] = {FormatArgImpl(c)};
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UntypedFormatSpecImpl format("%c");
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EXPECT_EQ(StrPrint("%c", c), FormatPack(format, absl::MakeSpan(args)));
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}
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}
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REGISTER_TYPED_TEST_CASE_P(TypedFormatConvertTest, AllIntsWithFlags, Char);
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typedef ::testing::Types<
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int, unsigned, volatile int,
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short, unsigned short,
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long, unsigned long,
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long long, unsigned long long,
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signed char, unsigned char, char>
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AllIntTypes;
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INSTANTIATE_TYPED_TEST_CASE_P(TypedFormatConvertTestWithAllIntTypes,
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TypedFormatConvertTest, AllIntTypes);
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TEST_F(FormatConvertTest, VectorBool) {
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// Make sure vector<bool>'s values behave as bools.
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std::vector<bool> v = {true, false};
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const std::vector<bool> cv = {true, false};
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EXPECT_EQ("1,0,1,0",
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FormatPack(UntypedFormatSpecImpl("%d,%d,%d,%d"),
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absl::Span<const FormatArgImpl>(
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{FormatArgImpl(v[0]), FormatArgImpl(v[1]),
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FormatArgImpl(cv[0]), FormatArgImpl(cv[1])})));
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}
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TEST_F(FormatConvertTest, Int128) {
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absl::int128 positive = static_cast<absl::int128>(0x1234567890abcdef) * 1979;
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absl::int128 negative = -positive;
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absl::int128 max = absl::Int128Max(), min = absl::Int128Min();
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const FormatArgImpl args[] = {FormatArgImpl(positive),
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FormatArgImpl(negative), FormatArgImpl(max),
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FormatArgImpl(min)};
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struct Case {
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const char* format;
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const char* expected;
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} cases[] = {
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{"%1$d", "2595989796776606496405"},
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{"%1$30d", " 2595989796776606496405"},
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{"%1$-30d", "2595989796776606496405 "},
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{"%1$u", "2595989796776606496405"},
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{"%1$x", "8cba9876066020f695"},
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{"%2$d", "-2595989796776606496405"},
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{"%2$30d", " -2595989796776606496405"},
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{"%2$-30d", "-2595989796776606496405 "},
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{"%2$u", "340282366920938460867384810655161715051"},
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{"%2$x", "ffffffffffffff73456789f99fdf096b"},
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{"%3$d", "170141183460469231731687303715884105727"},
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{"%3$u", "170141183460469231731687303715884105727"},
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{"%3$x", "7fffffffffffffffffffffffffffffff"},
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{"%4$d", "-170141183460469231731687303715884105728"},
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{"%4$x", "80000000000000000000000000000000"},
|
|
};
|
|
|
|
for (auto c : cases) {
|
|
UntypedFormatSpecImpl format(c.format);
|
|
EXPECT_EQ(c.expected, FormatPack(format, absl::MakeSpan(args)));
|
|
}
|
|
}
|
|
|
|
TEST_F(FormatConvertTest, Uint128) {
|
|
absl::uint128 v = static_cast<absl::uint128>(0x1234567890abcdef) * 1979;
|
|
absl::uint128 max = absl::Uint128Max();
|
|
const FormatArgImpl args[] = {FormatArgImpl(v), FormatArgImpl(max)};
|
|
|
|
struct Case {
|
|
const char* format;
|
|
const char* expected;
|
|
} cases[] = {
|
|
{"%1$d", "2595989796776606496405"},
|
|
{"%1$30d", " 2595989796776606496405"},
|
|
{"%1$-30d", "2595989796776606496405 "},
|
|
{"%1$u", "2595989796776606496405"},
|
|
{"%1$x", "8cba9876066020f695"},
|
|
{"%2$d", "340282366920938463463374607431768211455"},
|
|
{"%2$u", "340282366920938463463374607431768211455"},
|
|
{"%2$x", "ffffffffffffffffffffffffffffffff"},
|
|
};
|
|
|
|
for (auto c : cases) {
|
|
UntypedFormatSpecImpl format(c.format);
|
|
EXPECT_EQ(c.expected, FormatPack(format, absl::MakeSpan(args)));
|
|
}
|
|
}
|
|
|
|
TEST_F(FormatConvertTest, Float) {
|
|
#ifdef _MSC_VER
|
|
// MSVC has a different rounding policy than us so we can't test our
|
|
// implementation against the native one there.
|
|
return;
|
|
#endif // _MSC_VER
|
|
|
|
const char *const kFormats[] = {
|
|
"%", "%.3", "%8.5", "%9", "%.60", "%.30", "%03", "%+",
|
|
"% ", "%-10", "%#15.3", "%#.0", "%.0", "%1$*2$", "%1$.*2$"};
|
|
|
|
std::vector<double> doubles = {0.0,
|
|
-0.0,
|
|
.99999999999999,
|
|
99999999999999.,
|
|
std::numeric_limits<double>::max(),
|
|
-std::numeric_limits<double>::max(),
|
|
std::numeric_limits<double>::min(),
|
|
-std::numeric_limits<double>::min(),
|
|
std::numeric_limits<double>::lowest(),
|
|
-std::numeric_limits<double>::lowest(),
|
|
std::numeric_limits<double>::epsilon(),
|
|
std::numeric_limits<double>::epsilon() + 1,
|
|
std::numeric_limits<double>::infinity(),
|
|
-std::numeric_limits<double>::infinity()};
|
|
|
|
#ifndef __APPLE__
|
|
// Apple formats NaN differently (+nan) vs. (nan)
|
|
doubles.push_back(std::nan(""));
|
|
#endif
|
|
|
|
// Some regression tests.
|
|
doubles.push_back(0.99999999999999989);
|
|
|
|
if (std::numeric_limits<double>::has_denorm != std::denorm_absent) {
|
|
doubles.push_back(std::numeric_limits<double>::denorm_min());
|
|
doubles.push_back(-std::numeric_limits<double>::denorm_min());
|
|
}
|
|
|
|
for (double base :
|
|
{1., 12., 123., 1234., 12345., 123456., 1234567., 12345678., 123456789.,
|
|
1234567890., 12345678901., 123456789012., 1234567890123.}) {
|
|
for (int exp = -123; exp <= 123; ++exp) {
|
|
for (int sign : {1, -1}) {
|
|
doubles.push_back(sign * std::ldexp(base, exp));
|
|
}
|
|
}
|
|
}
|
|
|
|
for (const char *fmt : kFormats) {
|
|
for (char f : {'f', 'F', //
|
|
'g', 'G', //
|
|
'a', 'A', //
|
|
'e', 'E'}) {
|
|
std::string fmt_str = std::string(fmt) + f;
|
|
for (double d : doubles) {
|
|
int i = -10;
|
|
FormatArgImpl args[2] = {FormatArgImpl(d), FormatArgImpl(i)};
|
|
UntypedFormatSpecImpl format(fmt_str);
|
|
// We use ASSERT_EQ here because failures are usually correlated and a
|
|
// bug would print way too many failed expectations causing the test to
|
|
// time out.
|
|
ASSERT_EQ(StrPrint(fmt_str.c_str(), d, i),
|
|
FormatPack(format, absl::MakeSpan(args)))
|
|
<< fmt_str << " " << StrPrint("%.18g", d) << " "
|
|
<< StrPrint("%.999f", d);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
TEST_F(FormatConvertTest, LongDouble) {
|
|
const char *const kFormats[] = {"%", "%.3", "%8.5", "%9",
|
|
"%.60", "%+", "% ", "%-10"};
|
|
|
|
// This value is not representable in double, but it is in long double that
|
|
// uses the extended format.
|
|
// This is to verify that we are not truncating the value mistakenly through a
|
|
// double.
|
|
long double very_precise = 10000000000000000.25L;
|
|
|
|
std::vector<long double> doubles = {
|
|
0.0,
|
|
-0.0,
|
|
very_precise,
|
|
1 / very_precise,
|
|
std::numeric_limits<long double>::max(),
|
|
-std::numeric_limits<long double>::max(),
|
|
std::numeric_limits<long double>::min(),
|
|
-std::numeric_limits<long double>::min(),
|
|
std::numeric_limits<long double>::infinity(),
|
|
-std::numeric_limits<long double>::infinity()};
|
|
|
|
for (const char *fmt : kFormats) {
|
|
for (char f : {'f', 'F', //
|
|
'g', 'G', //
|
|
'a', 'A', //
|
|
'e', 'E'}) {
|
|
std::string fmt_str = std::string(fmt) + 'L' + f;
|
|
for (auto d : doubles) {
|
|
FormatArgImpl arg(d);
|
|
UntypedFormatSpecImpl format(fmt_str);
|
|
// We use ASSERT_EQ here because failures are usually correlated and a
|
|
// bug would print way too many failed expectations causing the test to
|
|
// time out.
|
|
ASSERT_EQ(StrPrint(fmt_str.c_str(), d),
|
|
FormatPack(format, {&arg, 1}))
|
|
<< fmt_str << " " << StrPrint("%.18Lg", d) << " "
|
|
<< StrPrint("%.999Lf", d);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
TEST_F(FormatConvertTest, IntAsFloat) {
|
|
const int kMin = std::numeric_limits<int>::min();
|
|
const int kMax = std::numeric_limits<int>::max();
|
|
const int ia[] = {
|
|
1, 2, 3, 123,
|
|
-1, -2, -3, -123,
|
|
0, kMax - 1, kMax, kMin + 1, kMin };
|
|
for (const int fx : ia) {
|
|
SCOPED_TRACE(fx);
|
|
const FormatArgImpl args[] = {FormatArgImpl(fx)};
|
|
struct Expectation {
|
|
int line;
|
|
std::string out;
|
|
const char *fmt;
|
|
};
|
|
const double dx = static_cast<double>(fx);
|
|
const Expectation kExpect[] = {
|
|
{ __LINE__, StrPrint("%f", dx), "%f" },
|
|
{ __LINE__, StrPrint("%12f", dx), "%12f" },
|
|
{ __LINE__, StrPrint("%.12f", dx), "%.12f" },
|
|
{ __LINE__, StrPrint("%12a", dx), "%12a" },
|
|
{ __LINE__, StrPrint("%.12a", dx), "%.12a" },
|
|
};
|
|
for (const Expectation &e : kExpect) {
|
|
SCOPED_TRACE(e.line);
|
|
SCOPED_TRACE(e.fmt);
|
|
UntypedFormatSpecImpl format(e.fmt);
|
|
EXPECT_EQ(e.out, FormatPack(format, absl::MakeSpan(args)));
|
|
}
|
|
}
|
|
}
|
|
|
|
template <typename T>
|
|
bool FormatFails(const char* test_format, T value) {
|
|
std::string format_string = std::string("<<") + test_format + ">>";
|
|
UntypedFormatSpecImpl format(format_string);
|
|
|
|
int one = 1;
|
|
const FormatArgImpl args[] = {FormatArgImpl(value), FormatArgImpl(one)};
|
|
EXPECT_EQ(FormatPack(format, absl::MakeSpan(args)), "")
|
|
<< "format=" << test_format << " value=" << value;
|
|
return FormatPack(format, absl::MakeSpan(args)).empty();
|
|
}
|
|
|
|
TEST_F(FormatConvertTest, ExpectedFailures) {
|
|
// Int input
|
|
EXPECT_TRUE(FormatFails("%p", 1));
|
|
EXPECT_TRUE(FormatFails("%s", 1));
|
|
EXPECT_TRUE(FormatFails("%n", 1));
|
|
|
|
// Double input
|
|
EXPECT_TRUE(FormatFails("%p", 1.));
|
|
EXPECT_TRUE(FormatFails("%s", 1.));
|
|
EXPECT_TRUE(FormatFails("%n", 1.));
|
|
EXPECT_TRUE(FormatFails("%c", 1.));
|
|
EXPECT_TRUE(FormatFails("%d", 1.));
|
|
EXPECT_TRUE(FormatFails("%x", 1.));
|
|
EXPECT_TRUE(FormatFails("%*d", 1.));
|
|
|
|
// String input
|
|
EXPECT_TRUE(FormatFails("%n", ""));
|
|
EXPECT_TRUE(FormatFails("%c", ""));
|
|
EXPECT_TRUE(FormatFails("%d", ""));
|
|
EXPECT_TRUE(FormatFails("%x", ""));
|
|
EXPECT_TRUE(FormatFails("%f", ""));
|
|
EXPECT_TRUE(FormatFails("%*d", ""));
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace str_format_internal
|
|
ABSL_NAMESPACE_END
|
|
} // namespace absl
|