Export of internal Abseil changes

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167cd2647144583746311129b0cc98a89a9897e1 by Andy Soffer <asoffer@google.com>:

Internal Changes

PiperOrigin-RevId: 268000987

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ab44fea7dfdaf763c69609a08ddfac22480ce520 by Derek Mauro <dmauro@google.com>:

Fix flags Cmake tests on Windows

PiperOrigin-RevId: 267859442

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d7ec9f7611370b01bc9a5aed7e18460df2a15429 by Abseil Team <absl-team@google.com>:

Fix undefined behavior in symbolize_elf.inc

PiperOrigin-RevId: 267684904

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e7c5f8e472a91ed99bdf4876942f2bda5751aa6c by Abseil Team <absl-team@google.com>:

Turn off ABSL_HAS_ALARM on Fuchsia.

PiperOrigin-RevId: 267666090

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b7d25d5c71a49e697a8bf6440ed30f2e3f036420 by Chris Kennelly <ckennelly@google.com>:

Mark once initialization function as no inline.

We expect this code to run infrequently.

PiperOrigin-RevId: 267649713

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dc2a5e5f1e39a03fff837d34a319033fde55d9ba by Derek Mauro <dmauro@google.com>:

Fix the MSVC CMake random build

PiperOrigin-RevId: 267624074

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ba2751b67fa17d1b6c53e5ba79f81a5371e4a03a by Abseil Team <absl-team@google.com>:

Move "internal/flag.*" files to the "internal" build target.

PiperOrigin-RevId: 267588996

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05b985a33eec4f8acff1809ad9218a1e22220f34 by Abseil Team <absl-team@google.com>:

Move "internal/flag.*" files to the "internal" build target.

PiperOrigin-RevId: 267580412
GitOrigin-RevId: 167cd2647144583746311129b0cc98a89a9897e1
Change-Id: Ibd334f46a5671c7c1d3fcf5354029e2fbb7ba91f

1 files changed, 58 insertions, 34 deletions

diff --git a/absl/flags/flag_test.cc b/absl/flags/flag_test.cc
index 1bcd7e9686..a652042c8a 100644
--- a/absl/flags/flag_test.cc
+++ b/absl/flags/flag_test.cc
@@ -15,7 +15,11 @@
 
 #include "absl/flags/flag.h"
 
+#include <algorithm>
+#include <string>
+
 #include "gtest/gtest.h"
+#include "absl/flags/usage_config.h"
 #include "absl/strings/match.h"
 #include "absl/strings/numbers.h"
 #include "absl/strings/str_cat.h"
@@ -63,7 +67,27 @@ struct UDT {
 bool AbslParseFlag(absl::string_view, UDT*, std::string*) { return true; }
 std::string AbslUnparseFlag(const UDT&) { return ""; }
 
-TEST(FlagTest, TestConstruction) {
+class FlagTest : public testing::Test {
+ protected:
+  static void SetUpTestSuite() {
+    // Install a function to normalize filenames before this test is run.
+    absl::FlagsUsageConfig default_config;
+    default_config.normalize_filename = &FlagTest::NormalizeFileName;
+    absl::SetFlagsUsageConfig(default_config);
+  }
+
+ private:
+  static std::string NormalizeFileName(absl::string_view fname) {
+#ifdef _WIN32
+    std::string normalized(fname);
+    std::replace(normalized.begin(), normalized.end(), '\\', '/');
+    fname = normalized;
+#endif
+    return std::string(fname);
+  }
+};
+
+TEST_F(FlagTest, TestConstruction) {
   TestConstructionFor<bool>();
   TestConstructionFor<int16_t>();
   TestConstructionFor<uint16_t>();
@@ -98,7 +122,7 @@ namespace {
 
 #if !ABSL_FLAGS_STRIP_NAMES
 
-TEST(FlagTest, TestFlagDeclaration) {
+TEST_F(FlagTest, TestFlagDeclaration) {
   // test that we can access flag objects.
   EXPECT_EQ(FLAGS_test_flag_01.Name(), "test_flag_01");
   EXPECT_EQ(FLAGS_test_flag_02.Name(), "test_flag_02");
@@ -133,69 +157,69 @@ ABSL_FLAG(std::string, test_flag_11, "", "test flag 11");
 namespace {
 
 #if !ABSL_FLAGS_STRIP_NAMES
-TEST(FlagTest, TestFlagDefinition) {
+TEST_F(FlagTest, TestFlagDefinition) {
   absl::string_view expected_file_name = "absl/flags/flag_test.cc";
 
   EXPECT_EQ(FLAGS_test_flag_01.Name(), "test_flag_01");
   EXPECT_EQ(FLAGS_test_flag_01.Help(), "test flag 01");
-  EXPECT_TRUE(
-      absl::EndsWith(FLAGS_test_flag_01.Filename(), expected_file_name));
+  EXPECT_TRUE(absl::EndsWith(FLAGS_test_flag_01.Filename(), expected_file_name))
+      << FLAGS_test_flag_01.Filename();
 
   EXPECT_EQ(FLAGS_test_flag_02.Name(), "test_flag_02");
   EXPECT_EQ(FLAGS_test_flag_02.Help(), "test flag 02");
-  EXPECT_TRUE(
-      absl::EndsWith(FLAGS_test_flag_02.Filename(), expected_file_name));
+  EXPECT_TRUE(absl::EndsWith(FLAGS_test_flag_02.Filename(), expected_file_name))
+      << FLAGS_test_flag_02.Filename();
 
   EXPECT_EQ(FLAGS_test_flag_03.Name(), "test_flag_03");
   EXPECT_EQ(FLAGS_test_flag_03.Help(), "test flag 03");
-  EXPECT_TRUE(
-      absl::EndsWith(FLAGS_test_flag_03.Filename(), expected_file_name));
+  EXPECT_TRUE(absl::EndsWith(FLAGS_test_flag_03.Filename(), expected_file_name))
+      << FLAGS_test_flag_03.Filename();
 
   EXPECT_EQ(FLAGS_test_flag_04.Name(), "test_flag_04");
   EXPECT_EQ(FLAGS_test_flag_04.Help(), "test flag 04");
-  EXPECT_TRUE(
-      absl::EndsWith(FLAGS_test_flag_04.Filename(), expected_file_name));
+  EXPECT_TRUE(absl::EndsWith(FLAGS_test_flag_04.Filename(), expected_file_name))
+      << FLAGS_test_flag_04.Filename();
 
   EXPECT_EQ(FLAGS_test_flag_05.Name(), "test_flag_05");
   EXPECT_EQ(FLAGS_test_flag_05.Help(), "test flag 05");
-  EXPECT_TRUE(
-      absl::EndsWith(FLAGS_test_flag_05.Filename(), expected_file_name));
+  EXPECT_TRUE(absl::EndsWith(FLAGS_test_flag_05.Filename(), expected_file_name))
+      << FLAGS_test_flag_05.Filename();
 
   EXPECT_EQ(FLAGS_test_flag_06.Name(), "test_flag_06");
   EXPECT_EQ(FLAGS_test_flag_06.Help(), "test flag 06");
-  EXPECT_TRUE(
-      absl::EndsWith(FLAGS_test_flag_06.Filename(), expected_file_name));
+  EXPECT_TRUE(absl::EndsWith(FLAGS_test_flag_06.Filename(), expected_file_name))
+      << FLAGS_test_flag_06.Filename();
 
   EXPECT_EQ(FLAGS_test_flag_07.Name(), "test_flag_07");
   EXPECT_EQ(FLAGS_test_flag_07.Help(), "test flag 07");
-  EXPECT_TRUE(
-      absl::EndsWith(FLAGS_test_flag_07.Filename(), expected_file_name));
+  EXPECT_TRUE(absl::EndsWith(FLAGS_test_flag_07.Filename(), expected_file_name))
+      << FLAGS_test_flag_07.Filename();
 
   EXPECT_EQ(FLAGS_test_flag_08.Name(), "test_flag_08");
   EXPECT_EQ(FLAGS_test_flag_08.Help(), "test flag 08");
-  EXPECT_TRUE(
-      absl::EndsWith(FLAGS_test_flag_08.Filename(), expected_file_name));
+  EXPECT_TRUE(absl::EndsWith(FLAGS_test_flag_08.Filename(), expected_file_name))
+      << FLAGS_test_flag_08.Filename();
 
   EXPECT_EQ(FLAGS_test_flag_09.Name(), "test_flag_09");
   EXPECT_EQ(FLAGS_test_flag_09.Help(), "test flag 09");
-  EXPECT_TRUE(
-      absl::EndsWith(FLAGS_test_flag_09.Filename(), expected_file_name));
+  EXPECT_TRUE(absl::EndsWith(FLAGS_test_flag_09.Filename(), expected_file_name))
+      << FLAGS_test_flag_09.Filename();
 
   EXPECT_EQ(FLAGS_test_flag_10.Name(), "test_flag_10");
   EXPECT_EQ(FLAGS_test_flag_10.Help(), "test flag 10");
-  EXPECT_TRUE(
-      absl::EndsWith(FLAGS_test_flag_10.Filename(), expected_file_name));
+  EXPECT_TRUE(absl::EndsWith(FLAGS_test_flag_10.Filename(), expected_file_name))
+      << FLAGS_test_flag_10.Filename();
 
   EXPECT_EQ(FLAGS_test_flag_11.Name(), "test_flag_11");
   EXPECT_EQ(FLAGS_test_flag_11.Help(), "test flag 11");
-  EXPECT_TRUE(
-      absl::EndsWith(FLAGS_test_flag_11.Filename(), expected_file_name));
+  EXPECT_TRUE(absl::EndsWith(FLAGS_test_flag_11.Filename(), expected_file_name))
+      << FLAGS_test_flag_11.Filename();
 }
 #endif  // !ABSL_FLAGS_STRIP_NAMES
 
 // --------------------------------------------------------------------
 
-TEST(FlagTest, TestDefault) {
+TEST_F(FlagTest, TestDefault) {
   EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_01), true);
   EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_02), 1234);
   EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_03), -34);
@@ -211,7 +235,7 @@ TEST(FlagTest, TestDefault) {
 
 // --------------------------------------------------------------------
 
-TEST(FlagTest, TestGetSet) {
+TEST_F(FlagTest, TestGetSet) {
   absl::SetFlag(&FLAGS_test_flag_01, false);
   EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_01), false);
 
@@ -258,7 +282,7 @@ ABSL_FLAG(std::string, test_flag_13, absl::StrCat("AAA", "BBB"),
 
 namespace {
 
-TEST(FlagTest, TestNonConstexprDefault) {
+TEST_F(FlagTest, TestNonConstexprDefault) {
   EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_12), 1);
   EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_13), "AAABBB");
 }
@@ -272,7 +296,7 @@ ABSL_FLAG(bool, test_flag_14, true, absl::StrCat("test ", "flag ", "14"));
 namespace {
 
 #if !ABSL_FLAGS_STRIP_HELP
-TEST(FlagTest, TestNonConstexprHelp) {
+TEST_F(FlagTest, TestNonConstexprHelp) {
   EXPECT_EQ(FLAGS_test_flag_14.Help(), "test flag 14");
 }
 #endif  //! ABSL_FLAGS_STRIP_HELP
@@ -296,7 +320,7 @@ namespace {
 void TestFlagCB() { cb_test_value = absl::GetFlag(FLAGS_test_flag_with_cb); }
 
 // Tests side-effects of callback invocation.
-TEST(FlagTest, CallbackInvocation) {
+TEST_F(FlagTest, CallbackInvocation) {
   EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_with_cb), 100);
   EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_with_lambda_cb), 200);
   EXPECT_EQ(cb_test_value, 300);
@@ -343,7 +367,7 @@ ABSL_FLAG(CustomUDT, test_flag_15, CustomUDT(), "test flag 15");
 
 namespace {
 
-TEST(FlagTest, TestCustomUDT) {
+TEST_F(FlagTest, TestCustomUDT) {
   EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_15), CustomUDT(1, 1));
   absl::SetFlag(&FLAGS_test_flag_15, CustomUDT(2, 3));
   EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_15), CustomUDT(2, 3));
@@ -409,7 +433,7 @@ ABSL_FLAG(ConversionTestVal, test_flag_16,
 
 namespace {
 
-TEST(FlagTest, CanSetViaImplicitConversion) {
+TEST_F(FlagTest, CanSetViaImplicitConversion) {
   EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_16).a, 10);
   absl::SetFlag(&FLAGS_test_flag_16,
                 ConversionTestVal::ViaImplicitConv::kEleven);
@@ -447,7 +471,7 @@ ABSL_FLAG(NonDfltConstructible, ndc_flag2, 0,
 
 namespace {
 
-TEST(FlagTest, TestNonDefaultConstructibleType) {
+TEST_F(FlagTest, TestNonDefaultConstructibleType) {
   EXPECT_EQ(absl::GetFlag(FLAGS_ndc_flag1).value, '1' + 100);
   EXPECT_EQ(absl::GetFlag(FLAGS_ndc_flag2).value, 0);
 
@@ -468,7 +492,7 @@ ABSL_RETIRED_FLAG(std::string, old_str_flag, "", absl::StrCat("old ", "descr"));
 
 namespace {
 
-TEST(FlagTest, TestRetiredFlagRegistration) {
+TEST_F(FlagTest, TestRetiredFlagRegistration) {
   bool is_bool = false;
   EXPECT_TRUE(flags::IsRetiredFlag("old_bool_flag", &is_bool));
   EXPECT_TRUE(is_bool);