diff options
Diffstat (limited to 'third_party/abseil_cpp/absl/flags/flag_test.cc')
| -rw-r--r-- | third_party/abseil_cpp/absl/flags/flag_test.cc | 906 |
1 files changed, 0 insertions, 906 deletions
diff --git a/third_party/abseil_cpp/absl/flags/flag_test.cc b/third_party/abseil_cpp/absl/flags/flag_test.cc deleted file mode 100644 index 654c8122215c..000000000000 --- a/third_party/abseil_cpp/absl/flags/flag_test.cc +++ /dev/null @@ -1,906 +0,0 @@ -// -// 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/flag.h" - -#include <stddef.h> -#include <stdint.h> - -#include <cmath> -#include <new> -#include <string> -#include <thread> // NOLINT -#include <vector> - -#include "gtest/gtest.h" -#include "absl/base/attributes.h" -#include "absl/flags/config.h" -#include "absl/flags/declare.h" -#include "absl/flags/internal/flag.h" -#include "absl/flags/marshalling.h" -#include "absl/flags/reflection.h" -#include "absl/flags/usage_config.h" -#include "absl/strings/match.h" -#include "absl/strings/numbers.h" -#include "absl/strings/str_cat.h" -#include "absl/strings/str_split.h" -#include "absl/strings/string_view.h" -#include "absl/time/time.h" - -ABSL_DECLARE_FLAG(int64_t, mistyped_int_flag); -ABSL_DECLARE_FLAG(std::vector<std::string>, mistyped_string_flag); - -namespace { - -namespace flags = absl::flags_internal; - -std::string TestHelpMsg() { return "dynamic help"; } -#if defined(_MSC_VER) && !defined(__clang__) -std::string TestLiteralHelpMsg() { return "literal help"; } -#endif -template <typename T> -void TestMakeDflt(void* dst) { - new (dst) T{}; -} -void TestCallback() {} - -struct UDT { - UDT() = default; - UDT(const UDT&) = default; -}; -bool AbslParseFlag(absl::string_view, UDT*, std::string*) { return true; } -std::string AbslUnparseFlag(const UDT&) { return ""; } - -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); - } - absl::FlagSaver flag_saver_; -}; - -struct S1 { - S1() = default; - S1(const S1&) = default; - int32_t f1; - int64_t f2; -}; - -struct S2 { - S2() = default; - S2(const S2&) = default; - int64_t f1; - double f2; -}; - -TEST_F(FlagTest, Traits) { - EXPECT_EQ(flags::StorageKind<int>(), - flags::FlagValueStorageKind::kOneWordAtomic); - EXPECT_EQ(flags::StorageKind<bool>(), - flags::FlagValueStorageKind::kOneWordAtomic); - EXPECT_EQ(flags::StorageKind<double>(), - flags::FlagValueStorageKind::kOneWordAtomic); - EXPECT_EQ(flags::StorageKind<int64_t>(), - flags::FlagValueStorageKind::kOneWordAtomic); - -#if defined(ABSL_FLAGS_INTERNAL_ATOMIC_DOUBLE_WORD) - EXPECT_EQ(flags::StorageKind<S1>(), - flags::FlagValueStorageKind::kTwoWordsAtomic); - EXPECT_EQ(flags::StorageKind<S2>(), - flags::FlagValueStorageKind::kTwoWordsAtomic); -#else - EXPECT_EQ(flags::StorageKind<S1>(), - flags::FlagValueStorageKind::kAlignedBuffer); - EXPECT_EQ(flags::StorageKind<S2>(), - flags::FlagValueStorageKind::kAlignedBuffer); -#endif - - EXPECT_EQ(flags::StorageKind<std::string>(), - flags::FlagValueStorageKind::kAlignedBuffer); - EXPECT_EQ(flags::StorageKind<std::vector<std::string>>(), - flags::FlagValueStorageKind::kAlignedBuffer); -} - -// -------------------------------------------------------------------- - -constexpr flags::FlagHelpArg help_arg{flags::FlagHelpMsg("literal help"), - flags::FlagHelpKind::kLiteral}; - -using String = std::string; - -#if !defined(_MSC_VER) || defined(__clang__) -#define DEFINE_CONSTRUCTED_FLAG(T, dflt, dflt_kind) \ - constexpr flags::FlagDefaultArg f1default##T{ \ - flags::FlagDefaultSrc{dflt}, flags::FlagDefaultKind::dflt_kind}; \ - constexpr absl::Flag<T> f1##T{"f1", "file", help_arg, f1default##T}; \ - ABSL_CONST_INIT absl::Flag<T> f2##T { \ - "f2", "file", \ - {flags::FlagHelpMsg(&TestHelpMsg), flags::FlagHelpKind::kGenFunc}, \ - flags::FlagDefaultArg { \ - flags::FlagDefaultSrc(&TestMakeDflt<T>), \ - flags::FlagDefaultKind::kGenFunc \ - } \ - } -#else -#define DEFINE_CONSTRUCTED_FLAG(T, dflt, dflt_kind) \ - constexpr flags::FlagDefaultArg f1default##T{ \ - flags::FlagDefaultSrc{dflt}, flags::FlagDefaultKind::dflt_kind}; \ - constexpr absl::Flag<T> f1##T{"f1", "file", &TestLiteralHelpMsg, \ - &TestMakeDflt<T>}; \ - ABSL_CONST_INIT absl::Flag<T> f2##T { \ - "f2", "file", &TestHelpMsg, &TestMakeDflt<T> \ - } -#endif - -DEFINE_CONSTRUCTED_FLAG(bool, true, kOneWord); -DEFINE_CONSTRUCTED_FLAG(int16_t, 1, kOneWord); -DEFINE_CONSTRUCTED_FLAG(uint16_t, 2, kOneWord); -DEFINE_CONSTRUCTED_FLAG(int32_t, 3, kOneWord); -DEFINE_CONSTRUCTED_FLAG(uint32_t, 4, kOneWord); -DEFINE_CONSTRUCTED_FLAG(int64_t, 5, kOneWord); -DEFINE_CONSTRUCTED_FLAG(uint64_t, 6, kOneWord); -DEFINE_CONSTRUCTED_FLAG(float, 7.8, kOneWord); -DEFINE_CONSTRUCTED_FLAG(double, 9.10, kOneWord); -DEFINE_CONSTRUCTED_FLAG(String, &TestMakeDflt<String>, kGenFunc); -DEFINE_CONSTRUCTED_FLAG(UDT, &TestMakeDflt<UDT>, kGenFunc); - -template <typename T> -bool TestConstructionFor(const absl::Flag<T>& f1, absl::Flag<T>& f2) { - EXPECT_EQ(absl::GetFlagReflectionHandle(f1).Name(), "f1"); - EXPECT_EQ(absl::GetFlagReflectionHandle(f1).Help(), "literal help"); - EXPECT_EQ(absl::GetFlagReflectionHandle(f1).Filename(), "file"); - - flags::FlagRegistrar<T, false>(ABSL_FLAG_IMPL_FLAG_PTR(f2)) - .OnUpdate(TestCallback); - - EXPECT_EQ(absl::GetFlagReflectionHandle(f2).Name(), "f2"); - EXPECT_EQ(absl::GetFlagReflectionHandle(f2).Help(), "dynamic help"); - EXPECT_EQ(absl::GetFlagReflectionHandle(f2).Filename(), "file"); - - return true; -} - -#define TEST_CONSTRUCTED_FLAG(T) TestConstructionFor(f1##T, f2##T); - -TEST_F(FlagTest, TestConstruction) { - TEST_CONSTRUCTED_FLAG(bool); - TEST_CONSTRUCTED_FLAG(int16_t); - TEST_CONSTRUCTED_FLAG(uint16_t); - TEST_CONSTRUCTED_FLAG(int32_t); - TEST_CONSTRUCTED_FLAG(uint32_t); - TEST_CONSTRUCTED_FLAG(int64_t); - TEST_CONSTRUCTED_FLAG(uint64_t); - TEST_CONSTRUCTED_FLAG(float); - TEST_CONSTRUCTED_FLAG(double); - TEST_CONSTRUCTED_FLAG(String); - TEST_CONSTRUCTED_FLAG(UDT); -} - -// -------------------------------------------------------------------- - -} // namespace - -ABSL_DECLARE_FLAG(bool, test_flag_01); -ABSL_DECLARE_FLAG(int, test_flag_02); -ABSL_DECLARE_FLAG(int16_t, test_flag_03); -ABSL_DECLARE_FLAG(uint16_t, test_flag_04); -ABSL_DECLARE_FLAG(int32_t, test_flag_05); -ABSL_DECLARE_FLAG(uint32_t, test_flag_06); -ABSL_DECLARE_FLAG(int64_t, test_flag_07); -ABSL_DECLARE_FLAG(uint64_t, test_flag_08); -ABSL_DECLARE_FLAG(double, test_flag_09); -ABSL_DECLARE_FLAG(float, test_flag_10); -ABSL_DECLARE_FLAG(std::string, test_flag_11); -ABSL_DECLARE_FLAG(absl::Duration, test_flag_12); - -namespace { - -#if !ABSL_FLAGS_STRIP_NAMES - -TEST_F(FlagTest, TestFlagDeclaration) { - // test that we can access flag objects. - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_01).Name(), - "test_flag_01"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_02).Name(), - "test_flag_02"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_03).Name(), - "test_flag_03"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_04).Name(), - "test_flag_04"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_05).Name(), - "test_flag_05"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_06).Name(), - "test_flag_06"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_07).Name(), - "test_flag_07"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_08).Name(), - "test_flag_08"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_09).Name(), - "test_flag_09"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_10).Name(), - "test_flag_10"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_11).Name(), - "test_flag_11"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_12).Name(), - "test_flag_12"); -} -#endif // !ABSL_FLAGS_STRIP_NAMES - -// -------------------------------------------------------------------- - -} // namespace - -ABSL_FLAG(bool, test_flag_01, true, "test flag 01"); -ABSL_FLAG(int, test_flag_02, 1234, "test flag 02"); -ABSL_FLAG(int16_t, test_flag_03, -34, "test flag 03"); -ABSL_FLAG(uint16_t, test_flag_04, 189, "test flag 04"); -ABSL_FLAG(int32_t, test_flag_05, 10765, "test flag 05"); -ABSL_FLAG(uint32_t, test_flag_06, 40000, "test flag 06"); -ABSL_FLAG(int64_t, test_flag_07, -1234567, "test flag 07"); -ABSL_FLAG(uint64_t, test_flag_08, 9876543, "test flag 08"); -ABSL_FLAG(double, test_flag_09, -9.876e-50, "test flag 09"); -ABSL_FLAG(float, test_flag_10, 1.234e12f, "test flag 10"); -ABSL_FLAG(std::string, test_flag_11, "", "test flag 11"); -ABSL_FLAG(absl::Duration, test_flag_12, absl::Minutes(10), "test flag 12"); - -namespace { - -#if !ABSL_FLAGS_STRIP_NAMES -TEST_F(FlagTest, TestFlagDefinition) { - absl::string_view expected_file_name = "absl/flags/flag_test.cc"; - - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_01).Name(), - "test_flag_01"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_01).Help(), - "test flag 01"); - EXPECT_TRUE(absl::EndsWith( - absl::GetFlagReflectionHandle(FLAGS_test_flag_01).Filename(), - expected_file_name)) - << absl::GetFlagReflectionHandle(FLAGS_test_flag_01).Filename(); - - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_02).Name(), - "test_flag_02"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_02).Help(), - "test flag 02"); - EXPECT_TRUE(absl::EndsWith( - absl::GetFlagReflectionHandle(FLAGS_test_flag_02).Filename(), - expected_file_name)) - << absl::GetFlagReflectionHandle(FLAGS_test_flag_02).Filename(); - - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_03).Name(), - "test_flag_03"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_03).Help(), - "test flag 03"); - EXPECT_TRUE(absl::EndsWith( - absl::GetFlagReflectionHandle(FLAGS_test_flag_03).Filename(), - expected_file_name)) - << absl::GetFlagReflectionHandle(FLAGS_test_flag_03).Filename(); - - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_04).Name(), - "test_flag_04"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_04).Help(), - "test flag 04"); - EXPECT_TRUE(absl::EndsWith( - absl::GetFlagReflectionHandle(FLAGS_test_flag_04).Filename(), - expected_file_name)) - << absl::GetFlagReflectionHandle(FLAGS_test_flag_04).Filename(); - - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_05).Name(), - "test_flag_05"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_05).Help(), - "test flag 05"); - EXPECT_TRUE(absl::EndsWith( - absl::GetFlagReflectionHandle(FLAGS_test_flag_05).Filename(), - expected_file_name)) - << absl::GetFlagReflectionHandle(FLAGS_test_flag_05).Filename(); - - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_06).Name(), - "test_flag_06"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_06).Help(), - "test flag 06"); - EXPECT_TRUE(absl::EndsWith( - absl::GetFlagReflectionHandle(FLAGS_test_flag_06).Filename(), - expected_file_name)) - << absl::GetFlagReflectionHandle(FLAGS_test_flag_06).Filename(); - - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_07).Name(), - "test_flag_07"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_07).Help(), - "test flag 07"); - EXPECT_TRUE(absl::EndsWith( - absl::GetFlagReflectionHandle(FLAGS_test_flag_07).Filename(), - expected_file_name)) - << absl::GetFlagReflectionHandle(FLAGS_test_flag_07).Filename(); - - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_08).Name(), - "test_flag_08"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_08).Help(), - "test flag 08"); - EXPECT_TRUE(absl::EndsWith( - absl::GetFlagReflectionHandle(FLAGS_test_flag_08).Filename(), - expected_file_name)) - << absl::GetFlagReflectionHandle(FLAGS_test_flag_08).Filename(); - - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_09).Name(), - "test_flag_09"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_09).Help(), - "test flag 09"); - EXPECT_TRUE(absl::EndsWith( - absl::GetFlagReflectionHandle(FLAGS_test_flag_09).Filename(), - expected_file_name)) - << absl::GetFlagReflectionHandle(FLAGS_test_flag_09).Filename(); - - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_10).Name(), - "test_flag_10"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_10).Help(), - "test flag 10"); - EXPECT_TRUE(absl::EndsWith( - absl::GetFlagReflectionHandle(FLAGS_test_flag_10).Filename(), - expected_file_name)) - << absl::GetFlagReflectionHandle(FLAGS_test_flag_10).Filename(); - - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_11).Name(), - "test_flag_11"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_11).Help(), - "test flag 11"); - EXPECT_TRUE(absl::EndsWith( - absl::GetFlagReflectionHandle(FLAGS_test_flag_11).Filename(), - expected_file_name)) - << absl::GetFlagReflectionHandle(FLAGS_test_flag_11).Filename(); - - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_12).Name(), - "test_flag_12"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_12).Help(), - "test flag 12"); - EXPECT_TRUE(absl::EndsWith( - absl::GetFlagReflectionHandle(FLAGS_test_flag_12).Filename(), - expected_file_name)) - << absl::GetFlagReflectionHandle(FLAGS_test_flag_12).Filename(); -} -#endif // !ABSL_FLAGS_STRIP_NAMES - -// -------------------------------------------------------------------- - -TEST_F(FlagTest, TestDefault) { - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_01).DefaultValue(), - "true"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_02).DefaultValue(), - "1234"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_03).DefaultValue(), - "-34"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_04).DefaultValue(), - "189"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_05).DefaultValue(), - "10765"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_06).DefaultValue(), - "40000"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_07).DefaultValue(), - "-1234567"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_08).DefaultValue(), - "9876543"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_09).DefaultValue(), - "-9.876e-50"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_10).DefaultValue(), - "1.234e+12"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_11).DefaultValue(), - ""); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_12).DefaultValue(), - "10m"); - - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_01).CurrentValue(), - "true"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_02).CurrentValue(), - "1234"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_03).CurrentValue(), - "-34"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_04).CurrentValue(), - "189"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_05).CurrentValue(), - "10765"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_06).CurrentValue(), - "40000"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_07).CurrentValue(), - "-1234567"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_08).CurrentValue(), - "9876543"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_09).CurrentValue(), - "-9.876e-50"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_10).CurrentValue(), - "1.234e+12"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_11).CurrentValue(), - ""); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_12).CurrentValue(), - "10m"); - - 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); - EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_04), 189); - EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_05), 10765); - EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_06), 40000); - EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_07), -1234567); - EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_08), 9876543); - EXPECT_NEAR(absl::GetFlag(FLAGS_test_flag_09), -9.876e-50, 1e-55); - EXPECT_NEAR(absl::GetFlag(FLAGS_test_flag_10), 1.234e12f, 1e5f); - EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_11), ""); - EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_12), absl::Minutes(10)); -} - -// -------------------------------------------------------------------- - -struct NonTriviallyCopyableAggregate { - NonTriviallyCopyableAggregate() = default; - NonTriviallyCopyableAggregate(const NonTriviallyCopyableAggregate& rhs) - : value(rhs.value) {} - NonTriviallyCopyableAggregate& operator=( - const NonTriviallyCopyableAggregate& rhs) { - value = rhs.value; - return *this; - } - - int value; -}; -bool AbslParseFlag(absl::string_view src, NonTriviallyCopyableAggregate* f, - std::string* e) { - return absl::ParseFlag(src, &f->value, e); -} -std::string AbslUnparseFlag(const NonTriviallyCopyableAggregate& ntc) { - return absl::StrCat(ntc.value); -} - -bool operator==(const NonTriviallyCopyableAggregate& ntc1, - const NonTriviallyCopyableAggregate& ntc2) { - return ntc1.value == ntc2.value; -} - -} // namespace - -ABSL_FLAG(bool, test_flag_eb_01, {}, ""); -ABSL_FLAG(int32_t, test_flag_eb_02, {}, ""); -ABSL_FLAG(int64_t, test_flag_eb_03, {}, ""); -ABSL_FLAG(double, test_flag_eb_04, {}, ""); -ABSL_FLAG(std::string, test_flag_eb_05, {}, ""); -ABSL_FLAG(NonTriviallyCopyableAggregate, test_flag_eb_06, {}, ""); - -namespace { - -TEST_F(FlagTest, TestEmptyBracesDefault) { - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_eb_01).DefaultValue(), - "false"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_eb_02).DefaultValue(), - "0"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_eb_03).DefaultValue(), - "0"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_eb_04).DefaultValue(), - "0"); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_eb_05).DefaultValue(), - ""); - EXPECT_EQ(absl::GetFlagReflectionHandle(FLAGS_test_flag_eb_06).DefaultValue(), - "0"); - - EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_eb_01), false); - EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_eb_02), 0); - EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_eb_03), 0); - EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_eb_04), 0.0); - EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_eb_05), ""); - EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_eb_06), - NonTriviallyCopyableAggregate{}); -} - -// -------------------------------------------------------------------- - -TEST_F(FlagTest, TestGetSet) { - absl::SetFlag(&FLAGS_test_flag_01, false); - EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_01), false); - - absl::SetFlag(&FLAGS_test_flag_02, 321); - EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_02), 321); - - absl::SetFlag(&FLAGS_test_flag_03, 67); - EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_03), 67); - - absl::SetFlag(&FLAGS_test_flag_04, 1); - EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_04), 1); - - absl::SetFlag(&FLAGS_test_flag_05, -908); - EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_05), -908); - - absl::SetFlag(&FLAGS_test_flag_06, 4001); - EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_06), 4001); - - absl::SetFlag(&FLAGS_test_flag_07, -23456); - EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_07), -23456); - - absl::SetFlag(&FLAGS_test_flag_08, 975310); - EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_08), 975310); - - absl::SetFlag(&FLAGS_test_flag_09, 1.00001); - EXPECT_NEAR(absl::GetFlag(FLAGS_test_flag_09), 1.00001, 1e-10); - - absl::SetFlag(&FLAGS_test_flag_10, -3.54f); - EXPECT_NEAR(absl::GetFlag(FLAGS_test_flag_10), -3.54f, 1e-6f); - - absl::SetFlag(&FLAGS_test_flag_11, "asdf"); - EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_11), "asdf"); - - absl::SetFlag(&FLAGS_test_flag_12, absl::Seconds(110)); - EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_12), absl::Seconds(110)); -} - -// -------------------------------------------------------------------- - -TEST_F(FlagTest, TestGetViaReflection) { - auto* handle = absl::FindCommandLineFlag("test_flag_01"); - EXPECT_EQ(*handle->TryGet<bool>(), true); - handle = absl::FindCommandLineFlag("test_flag_02"); - EXPECT_EQ(*handle->TryGet<int>(), 1234); - handle = absl::FindCommandLineFlag("test_flag_03"); - EXPECT_EQ(*handle->TryGet<int16_t>(), -34); - handle = absl::FindCommandLineFlag("test_flag_04"); - EXPECT_EQ(*handle->TryGet<uint16_t>(), 189); - handle = absl::FindCommandLineFlag("test_flag_05"); - EXPECT_EQ(*handle->TryGet<int32_t>(), 10765); - handle = absl::FindCommandLineFlag("test_flag_06"); - EXPECT_EQ(*handle->TryGet<uint32_t>(), 40000); - handle = absl::FindCommandLineFlag("test_flag_07"); - EXPECT_EQ(*handle->TryGet<int64_t>(), -1234567); - handle = absl::FindCommandLineFlag("test_flag_08"); - EXPECT_EQ(*handle->TryGet<uint64_t>(), 9876543); - handle = absl::FindCommandLineFlag("test_flag_09"); - EXPECT_NEAR(*handle->TryGet<double>(), -9.876e-50, 1e-55); - handle = absl::FindCommandLineFlag("test_flag_10"); - EXPECT_NEAR(*handle->TryGet<float>(), 1.234e12f, 1e5f); - handle = absl::FindCommandLineFlag("test_flag_11"); - EXPECT_EQ(*handle->TryGet<std::string>(), ""); - handle = absl::FindCommandLineFlag("test_flag_12"); - EXPECT_EQ(*handle->TryGet<absl::Duration>(), absl::Minutes(10)); -} - -// -------------------------------------------------------------------- - -int GetDflt1() { return 1; } - -} // namespace - -ABSL_FLAG(int, test_int_flag_with_non_const_default, GetDflt1(), - "test int flag non const default"); -ABSL_FLAG(std::string, test_string_flag_with_non_const_default, - absl::StrCat("AAA", "BBB"), "test string flag non const default"); - -namespace { - -TEST_F(FlagTest, TestNonConstexprDefault) { - EXPECT_EQ(absl::GetFlag(FLAGS_test_int_flag_with_non_const_default), 1); - EXPECT_EQ(absl::GetFlag(FLAGS_test_string_flag_with_non_const_default), - "AAABBB"); -} - -// -------------------------------------------------------------------- - -} // namespace - -ABSL_FLAG(bool, test_flag_with_non_const_help, true, - absl::StrCat("test ", "flag ", "non const help")); - -namespace { - -#if !ABSL_FLAGS_STRIP_HELP -TEST_F(FlagTest, TestNonConstexprHelp) { - EXPECT_EQ( - absl::GetFlagReflectionHandle(FLAGS_test_flag_with_non_const_help).Help(), - "test flag non const help"); -} -#endif //! ABSL_FLAGS_STRIP_HELP - -// -------------------------------------------------------------------- - -int cb_test_value = -1; -void TestFlagCB(); - -} // namespace - -ABSL_FLAG(int, test_flag_with_cb, 100, "").OnUpdate(TestFlagCB); - -ABSL_FLAG(int, test_flag_with_lambda_cb, 200, "").OnUpdate([]() { - cb_test_value = absl::GetFlag(FLAGS_test_flag_with_lambda_cb) + - absl::GetFlag(FLAGS_test_flag_with_cb); -}); - -namespace { - -void TestFlagCB() { cb_test_value = absl::GetFlag(FLAGS_test_flag_with_cb); } - -// Tests side-effects of callback invocation. -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); - - absl::SetFlag(&FLAGS_test_flag_with_cb, 1); - EXPECT_EQ(cb_test_value, 1); - - absl::SetFlag(&FLAGS_test_flag_with_lambda_cb, 3); - EXPECT_EQ(cb_test_value, 4); -} - -// -------------------------------------------------------------------- - -struct CustomUDT { - CustomUDT() : a(1), b(1) {} - CustomUDT(int a_, int b_) : a(a_), b(b_) {} - - friend bool operator==(const CustomUDT& f1, const CustomUDT& f2) { - return f1.a == f2.a && f1.b == f2.b; - } - - int a; - int b; -}; -bool AbslParseFlag(absl::string_view in, CustomUDT* f, std::string*) { - std::vector<absl::string_view> parts = - absl::StrSplit(in, ':', absl::SkipWhitespace()); - - if (parts.size() != 2) return false; - - if (!absl::SimpleAtoi(parts[0], &f->a)) return false; - - if (!absl::SimpleAtoi(parts[1], &f->b)) return false; - - return true; -} -std::string AbslUnparseFlag(const CustomUDT& f) { - return absl::StrCat(f.a, ":", f.b); -} - -} // namespace - -ABSL_FLAG(CustomUDT, test_flag_custom_udt, CustomUDT(), "test flag custom UDT"); - -namespace { - -TEST_F(FlagTest, TestCustomUDT) { - EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_custom_udt), CustomUDT(1, 1)); - absl::SetFlag(&FLAGS_test_flag_custom_udt, CustomUDT(2, 3)); - EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_custom_udt), CustomUDT(2, 3)); -} - -// MSVC produces link error on the type mismatch. -// Linux does not have build errors and validations work as expected. -#if !defined(_WIN32) && GTEST_HAS_DEATH_TEST - -using FlagDeathTest = FlagTest; - -TEST_F(FlagDeathTest, TestTypeMismatchValidations) { -#if !defined(NDEBUG) - EXPECT_DEATH_IF_SUPPORTED( - static_cast<void>(absl::GetFlag(FLAGS_mistyped_int_flag)), - "Flag 'mistyped_int_flag' is defined as one type and declared " - "as another"); - EXPECT_DEATH_IF_SUPPORTED( - static_cast<void>(absl::GetFlag(FLAGS_mistyped_string_flag)), - "Flag 'mistyped_string_flag' is defined as one type and " - "declared as another"); -#endif - - EXPECT_DEATH_IF_SUPPORTED( - absl::SetFlag(&FLAGS_mistyped_int_flag, 1), - "Flag 'mistyped_int_flag' is defined as one type and declared " - "as another"); - EXPECT_DEATH_IF_SUPPORTED( - absl::SetFlag(&FLAGS_mistyped_string_flag, std::vector<std::string>{}), - "Flag 'mistyped_string_flag' is defined as one type and declared as " - "another"); -} - -#endif - -// -------------------------------------------------------------------- - -// A contrived type that offers implicit and explicit conversion from specific -// source types. -struct ConversionTestVal { - ConversionTestVal() = default; - explicit ConversionTestVal(int a_in) : a(a_in) {} - - enum class ViaImplicitConv { kTen = 10, kEleven }; - // NOLINTNEXTLINE - ConversionTestVal(ViaImplicitConv from) : a(static_cast<int>(from)) {} - - int a; -}; - -bool AbslParseFlag(absl::string_view in, ConversionTestVal* val_out, - std::string*) { - if (!absl::SimpleAtoi(in, &val_out->a)) { - return false; - } - return true; -} -std::string AbslUnparseFlag(const ConversionTestVal& val) { - return absl::StrCat(val.a); -} - -} // namespace - -// Flag default values can be specified with a value that converts to the flag -// value type implicitly. -ABSL_FLAG(ConversionTestVal, test_flag_implicit_conv, - ConversionTestVal::ViaImplicitConv::kTen, - "test flag init via implicit conversion"); - -namespace { - -TEST_F(FlagTest, CanSetViaImplicitConversion) { - EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_implicit_conv).a, 10); - absl::SetFlag(&FLAGS_test_flag_implicit_conv, - ConversionTestVal::ViaImplicitConv::kEleven); - EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_implicit_conv).a, 11); -} - -// -------------------------------------------------------------------- - -struct NonDfltConstructible { - public: - // This constructor tests that we can initialize the flag with int value - NonDfltConstructible(int i) : value(i) {} // NOLINT - - // This constructor tests that we can't initialize the flag with char value - // but can with explicitly constructed NonDfltConstructible. - explicit NonDfltConstructible(char c) : value(100 + static_cast<int>(c)) {} - - int value; -}; - -bool AbslParseFlag(absl::string_view in, NonDfltConstructible* ndc_out, - std::string*) { - return absl::SimpleAtoi(in, &ndc_out->value); -} -std::string AbslUnparseFlag(const NonDfltConstructible& ndc) { - return absl::StrCat(ndc.value); -} - -} // namespace - -ABSL_FLAG(NonDfltConstructible, ndc_flag1, NonDfltConstructible('1'), - "Flag with non default constructible type"); -ABSL_FLAG(NonDfltConstructible, ndc_flag2, 0, - "Flag with non default constructible type"); - -namespace { - -TEST_F(FlagTest, TestNonDefaultConstructibleType) { - EXPECT_EQ(absl::GetFlag(FLAGS_ndc_flag1).value, '1' + 100); - EXPECT_EQ(absl::GetFlag(FLAGS_ndc_flag2).value, 0); - - absl::SetFlag(&FLAGS_ndc_flag1, NonDfltConstructible('A')); - absl::SetFlag(&FLAGS_ndc_flag2, 25); - - EXPECT_EQ(absl::GetFlag(FLAGS_ndc_flag1).value, 'A' + 100); - EXPECT_EQ(absl::GetFlag(FLAGS_ndc_flag2).value, 25); -} - -} // namespace - -// -------------------------------------------------------------------- - -ABSL_RETIRED_FLAG(bool, old_bool_flag, true, "old descr"); -ABSL_RETIRED_FLAG(int, old_int_flag, (int)std::sqrt(10), "old descr"); -ABSL_RETIRED_FLAG(std::string, old_str_flag, "", absl::StrCat("old ", "descr")); - -bool initializaion_order_fiasco_test = [] { - // Iterate over all the flags during static initialization. - // This should not trigger ASan's initialization-order-fiasco. - auto* handle1 = absl::FindCommandLineFlag("flag_on_separate_file"); - auto* handle2 = absl::FindCommandLineFlag("retired_flag_on_separate_file"); - if (handle1 != nullptr && handle2 != nullptr) { - return handle1->Name() == handle2->Name(); - } - return true; -}(); - -namespace { - -TEST_F(FlagTest, TestRetiredFlagRegistration) { - auto* handle = absl::FindCommandLineFlag("old_bool_flag"); - EXPECT_TRUE(handle->IsOfType<bool>()); - EXPECT_TRUE(handle->IsRetired()); - handle = absl::FindCommandLineFlag("old_int_flag"); - EXPECT_TRUE(handle->IsOfType<int>()); - EXPECT_TRUE(handle->IsRetired()); - handle = absl::FindCommandLineFlag("old_str_flag"); - EXPECT_TRUE(handle->IsOfType<std::string>()); - EXPECT_TRUE(handle->IsRetired()); -} - -} // namespace - -// -------------------------------------------------------------------- - -namespace { - -// User-defined type with small alignment, but size exceeding 16. -struct SmallAlignUDT { - SmallAlignUDT() : c('A'), s(12) {} - char c; - int16_t s; - char bytes[14]; -}; - -bool AbslParseFlag(absl::string_view, SmallAlignUDT*, std::string*) { - return true; -} -std::string AbslUnparseFlag(const SmallAlignUDT&) { return ""; } - -// User-defined type with small size, but not trivially copyable. -struct NonTriviallyCopyableUDT { - NonTriviallyCopyableUDT() : c('A') {} - NonTriviallyCopyableUDT(const NonTriviallyCopyableUDT& rhs) : c(rhs.c) {} - NonTriviallyCopyableUDT& operator=(const NonTriviallyCopyableUDT& rhs) { - c = rhs.c; - return *this; - } - - char c; -}; - -bool AbslParseFlag(absl::string_view, NonTriviallyCopyableUDT*, std::string*) { - return true; -} -std::string AbslUnparseFlag(const NonTriviallyCopyableUDT&) { return ""; } - -} // namespace - -ABSL_FLAG(SmallAlignUDT, test_flag_sa_udt, {}, "help"); -ABSL_FLAG(NonTriviallyCopyableUDT, test_flag_ntc_udt, {}, "help"); - -namespace { - -TEST_F(FlagTest, TestSmallAlignUDT) { - SmallAlignUDT value = absl::GetFlag(FLAGS_test_flag_sa_udt); - EXPECT_EQ(value.c, 'A'); - EXPECT_EQ(value.s, 12); - - value.c = 'B'; - value.s = 45; - absl::SetFlag(&FLAGS_test_flag_sa_udt, value); - value = absl::GetFlag(FLAGS_test_flag_sa_udt); - EXPECT_EQ(value.c, 'B'); - EXPECT_EQ(value.s, 45); -} - -TEST_F(FlagTest, TestNonTriviallyCopyableUDT) { - NonTriviallyCopyableUDT value = absl::GetFlag(FLAGS_test_flag_ntc_udt); - EXPECT_EQ(value.c, 'A'); - - value.c = 'B'; - absl::SetFlag(&FLAGS_test_flag_ntc_udt, value); - value = absl::GetFlag(FLAGS_test_flag_ntc_udt); - EXPECT_EQ(value.c, 'B'); -} - -} // namespace |