Add 'third_party/abseil_cpp/' from commit '768eb2ca28'

git-subtree-dir: third_party/abseil_cpp
git-subtree-mainline: ffb2ae54be
git-subtree-split: 768eb2ca28

third_party/abseil_cpp/absl/flags/config_test.cc

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+//  Copyright 2019 The Abseil Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "absl/flags/config.h"
+
+#ifdef __APPLE__
+#include <TargetConditionals.h>
+#endif
+
+#include "gtest/gtest.h"
+
+#ifndef ABSL_FLAGS_STRIP_NAMES
+#error ABSL_FLAGS_STRIP_NAMES is not defined
+#endif
+
+#ifndef ABSL_FLAGS_STRIP_HELP
+#error ABSL_FLAGS_STRIP_HELP is not defined
+#endif
+
+namespace {
+
+// Test that ABSL_FLAGS_STRIP_NAMES and ABSL_FLAGS_STRIP_HELP are configured how
+// we expect them to be configured by default. If you override this
+// configuration, this test will fail, but the code should still be safe to use.
+TEST(FlagsConfigTest, Test) {
+#if defined(__ANDROID__)
+  EXPECT_EQ(ABSL_FLAGS_STRIP_NAMES, 1);
+  EXPECT_EQ(ABSL_FLAGS_STRIP_HELP, 1);
+#elif defined(__myriad2__)
+  EXPECT_EQ(ABSL_FLAGS_STRIP_NAMES, 0);
+  EXPECT_EQ(ABSL_FLAGS_STRIP_HELP, 0);
+#elif defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE
+  EXPECT_EQ(ABSL_FLAGS_STRIP_NAMES, 1);
+  EXPECT_EQ(ABSL_FLAGS_STRIP_HELP, 1);
+#elif defined(TARGET_OS_EMBEDDED) && TARGET_OS_EMBEDDED
+  EXPECT_EQ(ABSL_FLAGS_STRIP_NAMES, 1);
+  EXPECT_EQ(ABSL_FLAGS_STRIP_HELP, 1);
+#elif defined(__APPLE__)
+  EXPECT_EQ(ABSL_FLAGS_STRIP_NAMES, 0);
+  EXPECT_EQ(ABSL_FLAGS_STRIP_HELP, 0);
+#elif defined(_WIN32)
+  EXPECT_EQ(ABSL_FLAGS_STRIP_NAMES, 0);
+  EXPECT_EQ(ABSL_FLAGS_STRIP_HELP, 0);
+#elif defined(__linux__)
+  EXPECT_EQ(ABSL_FLAGS_STRIP_NAMES, 0);
+  EXPECT_EQ(ABSL_FLAGS_STRIP_HELP, 0);
+#endif
+}
+
+}  // namespace