From aa844899c937bde5d2b24f276b59997e5b668bde Mon Sep 17 00:00:00 2001 From: Abseil Team Date: Thu, 8 Aug 2019 10:56:58 -0700 Subject: Creation of LTS branch "lts_2019_08_08" - 9ee91d3e430fb33a4590486573792eb0fa146c2d Export of internal Abseil changes by Abseil Team - 8efba58a3b656e9b41fb0471ae6453425a61c520 Export of internal Abseil changes by Abseil Team - b49b8d16b67ec6912899684b732e6367f258cfdb Export of internal Abseil changes by Abseil Team - 67222ffc4c83d918ce8395aa61769eeb77df4c4d Export of internal Abseil changes by Abseil Team - c5c4db4f5191fe5e76cbf68dcc71fb28702f7d2b Export of internal Abseil changes by Abseil Team - 14550beb3b7b97195e483fb74b5efb906395c31e Export of internal Abseil changes. by Abseil Team - 52e88ee56b72cf32bc66534d942c7398ce481331 Export of internal Abseil changes. by Abseil Team - 36d37ab992038f52276ca66b9da80c1cf0f57dc2 Export of internal Abseil changes. by Abseil Team - ad1485c8986246b2ae9105e512738d0e97aec887 Export of internal Abseil changes. by Abseil Team - f3840bc5e33ce4932e35986cf3718450c6f02af2 Export of internal Abseil changes. by Abseil Team - 278b26058c036833a4f7f3047d3f4d9296527f87 Export of internal Abseil changes. by Abseil Team - c6c3c1b498e4ee939b24be59cae29d59c3863be8 Export of internal Abseil changes. by Abseil Team - 44efe96dfca674a17b45ca53fc77fb69f1e29bf4 Export of internal Abseil changes. by Abseil Team - 3c98fcc0461bd2a4b9c149d4748a7373a225cf4b Merge pull request #340 from jtsylve/macos_cxx17_fix by Matt Calabrese <38107210+mattcalabrese-google@users.noreply.github.com> - 74d91756c11bc22f9b0108b94da9326f7f9e376f Export of internal Abseil changes. by Abseil Team - e6b050212c859fbaf67abac76105da10ec348274 Export of internal Abseil changes. by Abseil Team - c964fcffac27bd4a9ff67fe393410dd1146ef8b8 Export of internal Abseil changes. by Abseil Team - 72e09a54d993b192db32be14c65adf7e9bd08c31 Export of internal Abseil changes. by Abseil Team - d65e19dfcd8697076f68598c0131c6930cdcd74d Export of internal Abseil changes. by Abseil Team - 5162fc83d2f3b79a9753ed59594c43966afdd37a Merge pull request #336 from shields/patch-2 by Shaindel Schwartz <31392632+shaindelschwartz@users.noreply.github.com> - 0389f7bf58fa41f35b3ad60be61d32f31e4f8ed6 Merge pull request #335 from shields/patch-1 by Shaindel Schwartz <31392632+shaindelschwartz@users.noreply.github.com> - e9324d926a9189e222741fce6e676f0944661a72 Export of internal Abseil changes. by Abseil Team - 43ef2148c0936ebf7cb4be6b19927a9d9d145b8f Export of internal Abseil changes. by Abseil Team - a13d3df2b3ba68aeead92e2d078fba0510d55024 Merge pull request #323 from gosnik/master by Gennadiy Rozental - 310a11865c97c5cdcc42a4ee2c2e3578423afe69 Merge pull request #324 from RasPat1/patch-1 by Gennadiy Rozental - 8f11724067248acc330b4d1f12f0c76d03f2cfb1 Export of internal Abseil changes. by Abseil Team - b1dd425423380126f6441ce4fbb6f8f6c75b793a Export of internal Abseil changes. by Abseil Team - 361cb8a9db2f2130442389fd80593255be26d681 Export of internal Abseil changes. by Abseil Team - 0238ab0a831f179518c1a814f9584e99da2d75a3 Merge pull request #321 from christoph-cullmann/c4245_fix... by Xiaoyi Zhang - 61c9bf3e3e1c28a4aa6d7f1be4b37fd473bb5529 Export of internal Abseil changes. by Abseil Team - bc9101f9982391019521161a36179b52555ed212 Merge pull request #320 from christoph-cullmann/master by Xiaoyi Zhang - 2f76a9bf50046e396138cc8eeb3cdc17b7a5ac24 Export of internal Abseil changes. by Abseil Team - 4adaf5490921f13028b55018c9f550277de5aebb Export of internal Abseil changes. by Abseil Team - 27c30ec671cb7b5ba84c4e79feff7fd0b0ac6338 Avoid undefined behavior when nullptr is passed to memcpy... by Roman Gershman - ce65f5ac3cbf897bb5e3de1a51d80fd00866abaa Export of internal Abseil changes. by Abseil Team - a18fc7461e7409c2ad64e28537261db1e02e76fa Export of internal Abseil changes. by Abseil Team - 8a394b19c149cab50534b04c5e21d42bc2217a7d Export of internal Abseil changes. by Abseil Team - daf381e8535a1f1f1b8a75966a74e7cca63dee89 Export of internal Abseil changes. by Abseil Team - fa00c321073c7ea40a4fc3dfc8a06309eae3d025 Export of internal Abseil changes. by Abseil Team - 436ba6c4a0ea3a06eca6e055f9c8d296bf3bae12 Export of internal Abseil changes. by Abseil Team - 0cbdc774b97f7e80ab60dbe2ed4eaca3b2e33fc8 Export of internal Abseil changes. by Abseil Team - 27c2f6e2f3b5929fbd322b0f0ca392eb02efd9f8 Export of internal Abseil changes. by Abseil Team - aa468ad75539619b47979911297efbb629c52e44 Export of internal Abseil changes. by Abseil Team - cd86d0d20ab167c33b23d3875db68d1d4bad3a3b Export of internal Abseil changes. by Abseil Team - 33841c5c963aa9c3f096ef8e6c1e71624b941940 Export of internal Abseil changes. by Abseil Team - ca3f87560a0eef716195cadf66dc6b938a579ec6 Export of internal Abseil changes. by Abseil Team - d902eb869bcfacc1bad14933ed9af4bed006d481 Export of internal Abseil changes. by Abseil Team - a02f62f456f2c4a7ecf2be3104fe0c6e16fbad9a Export of internal Abseil changes. by Abseil Team - 0b545b460141b882b244a1efcef7621d59278160 Export of internal Abseil changes. by Abseil Team - dbae8764fbd429bf7d7745e24bcf73962177a7c0 Export of internal Abseil changes. by Abseil Team - 044da8a29c923506af0f0b46bc46f43c1e1300b5 Export of internal Abseil changes. by Abseil Team - 6cc6ac44e065b9e8975fadfd6ccb99cbcf89aac4 Export of internal Abseil changes. by Abseil Team - 666fc1266bccfd8e6eaaa084e7b42580bb8eb199 Export of internal Abseil changes. by Abseil Team - 93dfcf74cb5fccae3da07897d8613ae6cab958a0 Export of internal Abseil changes. by Abseil Team - 2c8421e1c6cef0da9e8a20b01c15256ec9ec116d Export of internal Abseil changes. by Abseil Team - 5b65c4af5107176555b23a638e5947686410ac1f Export of internal Abseil changes. by Abseil Team - eab2078b53c9e3d9d240135c09d27e3393acb50a Export of internal Abseil changes. by Abseil Team - 253eb7416421661873afbaa33828a850db978541 [CMake] Set correct flags for clang-cl (#278) by Loo Rong Jie - e75672f6afc7e8f23ee7b532e86d1b3b9be3984e Export of internal Abseil changes. by Abseil Team - bf29470384a101b307873b26d358433138c857fc Export of internal Abseil changes. by Abseil Team - 6fd827124facd8336981e73218997f9e73029b4f Merge pull request #280 from chiumichael/master by Derek Mauro <761129+derekmauro@users.noreply.github.com> - 7c7754fb3ed9ffb57d35fe8658f3ba4d73a31e72 Export of internal Abseil changes. by Abseil Team - 256be563447a315f2a7993ec669460ba475fa86a Export of internal Abseil changes. by Abseil Team - 88a152ae747c3c42dc9167d46c590929b048d436 Export of internal Abseil changes. by Abseil Team - c1cecb25a94c075725e9d2640f6b978a8f61957b Implement Span::first and Span::last from C++20 (#274) by Girts - 38b704384cd2f17590b3922b97744be0b43622c9 Changed HTTP URLs to HTTPS where possible (#270) by nik7273 - febc5ee6a92d0eb7dac1fceaa6c648cf6521b4dc Export of internal Abseil changes. by Abseil Team - 9fdf5e5b805412cb2a2e624d3e9a11588120465f Export of internal Abseil changes. by Abseil Team - 419f3184f8ebcdb23105295eadd2a569f3351eb9 Export of internal Abseil changes. by Abseil Team - b312c3cb53a0aad75a85ac2bf57c4a614fbd48d4 Export of internal Abseil changes. by Abseil Team - 308ce31528a7edfa39f5f6d36142278a0ae1bf45 Export of internal Abseil changes. by Abseil Team - 93d155bc4414f6c121bb1f19dba9fdb27c8943bc Export of internal Abseil changes. by Abseil Team - 426eaa4aa44e4580418bee46c1bd13911151bfb1 Export of internal Abseil changes. by Abseil Team - 2901ec32a919311384d6ad4194e2d927c06831f7 Export of internal Abseil changes. by Abseil Team - d78310fe5a82f2e0e6e16509ef8079c8d7e4674e Export of internal Abseil changes. by Abseil Team - a4cb1c8ba61531a63f9d309eea01ac1d43d8371d Export of internal Abseil changes. by Abseil Team - 540e2537b92cd4abfae6ceddfe24304345461f32 Export of internal Abseil changes. by Abseil Team - 89ea0c5ff34aaa5855cfc7aa41f323b8a0ef0ede Merge pull request #255 from uilianries/hotfix/conan by ahedberg - 5e0dcf72c64fae912184d2e0de87195fe8f0a425 Export of internal Abseil changes. by Abseil Team - 0dffca4e36791c7beeda04da10460b534283948a Export of internal Abseil changes. by Abseil Team - 6b4201f9ef650637510a21b8d6cbcc3bee4a606f Fix GCC8 warnings by Boris Staletic - 0b1e6d417b414aad9282e32e8c49c719edeb63c1 Export of internal Abseil changes. by Abseil Team - efccc502606bed768e50a6cd5806d8eb13e4e935 Export of internal Abseil changes. by Abseil Team - 5e6a78131f7bd5940218462c07d88cdefdd75dbe Export of internal Abseil changes. by Abseil Team - 5eea0f713c14ac17788b83e496f11903f8e2bbb0 Export of internal Abseil changes. by Abseil Team - 66f9becbb98ecc083f4db349b4b1e0ca9de93b15 Export of internal Abseil changes. by Abseil Team - 018b4db1d73ec8238e6dc4b17fd9e1fd7468d0ed Export of internal Abseil changes. by Abseil Team - 9449ae94397f2fd683851348e25ed8c93f75b3b9 Merge pull request #243 from ThomsonTan/FixIntrinsic by Alex Strelnikov - b16aeb6756bdab08cdf12d40baab5b51f7d15b16 Export of internal Abseil changes. by Abseil Team - 7ffbe09f3d85504bd018783bbe1e2c12992fe47c Export of internal Abseil changes. by Abseil Team - 01b471d9f3ebef27f5aaca14b66509099fa8cd6c Export of internal Abseil changes. by Abseil Team - 7bd8f36c741c7cbe311611d7981bf38ba04c6fef Export of internal Abseil changes. by Abseil Team - 968a34ffdaadd7db062a9621dfbdf8b2d16e05af Export of internal Abseil changes. by Abseil Team - 3e2e9b5557e76d098de4b8a2a659125b98ca519b Merge pull request #231 from uilianries/feature/conan by Mark Barolak - 111ca7060a6ff50115ca85b59f6b5d8c8c5e9105 Export of internal Abseil changes. by Abseil Team - 389ec3f906f018661a5308458d623d01f96d7b23 Export of internal Abseil changes. by Abseil Team - 8fbcdb90952c57828c4a9c2f6d79fcd7cae9088f Export of internal Abseil changes. by Abseil Team - 455dc17ba1af9635f0b60155bc565bc572a1e722 Export of internal Abseil changes. by Abseil Team - f197d7c72a54064cfde5a2058f1513a4a0ee36fb Export of internal Abseil changes. by Abseil Team - 284378a71b32dfb3af4e3661f585e671d1b603a3 Export of internal Abseil changes. by Abseil Team GitOrigin-RevId: 9ee91d3e430fb33a4590486573792eb0fa146c2d Change-Id: Ia06e548bc106cc9d136f6c65714be6645317aced --- absl/flags/flag_test.cc | 482 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 482 insertions(+) create mode 100644 absl/flags/flag_test.cc (limited to 'absl/flags/flag_test.cc') diff --git a/absl/flags/flag_test.cc b/absl/flags/flag_test.cc new file mode 100644 index 00000000..1bcd7e96 --- /dev/null +++ b/absl/flags/flag_test.cc @@ -0,0 +1,482 @@ +// +// 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 "gtest/gtest.h" +#include "absl/strings/match.h" +#include "absl/strings/numbers.h" +#include "absl/strings/str_cat.h" +#include "absl/strings/str_split.h" + +ABSL_DECLARE_FLAG(int64_t, mistyped_int_flag); +ABSL_DECLARE_FLAG(std::vector, mistyped_string_flag); + +namespace { + +namespace flags = absl::flags_internal; + +std::string TestHelpMsg() { return "help"; } +template +void* TestMakeDflt() { + return new T{}; +} +void TestCallback() {} + +template +bool TestConstructionFor() { + constexpr flags::Flag f1("f1", &TestHelpMsg, "file", + &absl::flags_internal::FlagMarshallingOps, + &TestMakeDflt); + EXPECT_EQ(f1.Name(), "f1"); + EXPECT_EQ(f1.Help(), "help"); + EXPECT_EQ(f1.Filename(), "file"); + + ABSL_CONST_INIT static flags::Flag f2( + "f2", &TestHelpMsg, "file", &absl::flags_internal::FlagMarshallingOps, + &TestMakeDflt); + flags::FlagRegistrar(&f2).OnUpdate(TestCallback); + + EXPECT_EQ(f2.Name(), "f2"); + EXPECT_EQ(f2.Help(), "help"); + EXPECT_EQ(f2.Filename(), "file"); + + return true; +} + +struct UDT { + UDT() = default; + UDT(const UDT&) = default; +}; +bool AbslParseFlag(absl::string_view, UDT*, std::string*) { return true; } +std::string AbslUnparseFlag(const UDT&) { return ""; } + +TEST(FlagTest, TestConstruction) { + TestConstructionFor(); + TestConstructionFor(); + TestConstructionFor(); + TestConstructionFor(); + TestConstructionFor(); + TestConstructionFor(); + TestConstructionFor(); + TestConstructionFor(); + TestConstructionFor(); + TestConstructionFor(); + + TestConstructionFor(); +} + +// -------------------------------------------------------------------- + +} // 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); + +namespace { + +#if !ABSL_FLAGS_STRIP_NAMES + +TEST(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"); + EXPECT_EQ(FLAGS_test_flag_03.Name(), "test_flag_03"); + EXPECT_EQ(FLAGS_test_flag_04.Name(), "test_flag_04"); + EXPECT_EQ(FLAGS_test_flag_05.Name(), "test_flag_05"); + EXPECT_EQ(FLAGS_test_flag_06.Name(), "test_flag_06"); + EXPECT_EQ(FLAGS_test_flag_07.Name(), "test_flag_07"); + EXPECT_EQ(FLAGS_test_flag_08.Name(), "test_flag_08"); + EXPECT_EQ(FLAGS_test_flag_09.Name(), "test_flag_09"); + EXPECT_EQ(FLAGS_test_flag_10.Name(), "test_flag_10"); + EXPECT_EQ(FLAGS_test_flag_11.Name(), "test_flag_11"); +} +#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"); + +namespace { + +#if !ABSL_FLAGS_STRIP_NAMES +TEST(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_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_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_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_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_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_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_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_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_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_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)); +} +#endif // !ABSL_FLAGS_STRIP_NAMES + +// -------------------------------------------------------------------- + +TEST(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); + 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), ""); +} + +// -------------------------------------------------------------------- + +TEST(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"); +} + +// -------------------------------------------------------------------- + +int GetDflt1() { return 1; } + +} // namespace + +ABSL_FLAG(int, test_flag_12, GetDflt1(), "test flag 12"); +ABSL_FLAG(std::string, test_flag_13, absl::StrCat("AAA", "BBB"), + "test flag 13"); + +namespace { + +TEST(FlagTest, TestNonConstexprDefault) { + EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_12), 1); + EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_13), "AAABBB"); +} + +// -------------------------------------------------------------------- + +} // namespace + +ABSL_FLAG(bool, test_flag_14, true, absl::StrCat("test ", "flag ", "14")); + +namespace { + +#if !ABSL_FLAGS_STRIP_HELP +TEST(FlagTest, TestNonConstexprHelp) { + EXPECT_EQ(FLAGS_test_flag_14.Help(), "test flag 14"); +} +#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(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 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_15, CustomUDT(), "test flag 15"); + +namespace { + +TEST(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)); +} + +// MSVC produces link error on the type mismatch. +// Linux does not have build errors and validations work as expected. +#if 0 // !defined(_WIN32) && GTEST_HAS_DEATH_TEST + +TEST(Flagtest, TestTypeMismatchValidations) { + // For builtin types, GetFlag() only does validation in debug mode. + EXPECT_DEBUG_DEATH( + absl::GetFlag(FLAGS_mistyped_int_flag), + "Flag 'mistyped_int_flag' is defined as one type and declared " + "as another"); + EXPECT_DEATH(absl::SetFlag(&FLAGS_mistyped_int_flag, 0), + "Flag 'mistyped_int_flag' is defined as one type and declared " + "as another"); + + EXPECT_DEATH(absl::GetFlag(FLAGS_mistyped_string_flag), + "Flag 'mistyped_string_flag' is defined as one type and " + "declared as another"); + EXPECT_DEATH( + absl::SetFlag(&FLAGS_mistyped_string_flag, std::vector{}), + "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(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_16, + ConversionTestVal::ViaImplicitConv::kTen, "test flag 16"); + +namespace { + +TEST(FlagTest, CanSetViaImplicitConversion) { + EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_16).a, 10); + absl::SetFlag(&FLAGS_test_flag_16, + ConversionTestVal::ViaImplicitConv::kEleven); + EXPECT_EQ(absl::GetFlag(FLAGS_test_flag_16).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(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(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")); + +namespace { + +TEST(FlagTest, TestRetiredFlagRegistration) { + bool is_bool = false; + EXPECT_TRUE(flags::IsRetiredFlag("old_bool_flag", &is_bool)); + EXPECT_TRUE(is_bool); + EXPECT_TRUE(flags::IsRetiredFlag("old_int_flag", &is_bool)); + EXPECT_FALSE(is_bool); + EXPECT_TRUE(flags::IsRetiredFlag("old_str_flag", &is_bool)); + EXPECT_FALSE(is_bool); + EXPECT_FALSE(flags::IsRetiredFlag("some_other_flag", &is_bool)); +} + +} // namespace -- cgit v1.2.3