diff options
Diffstat (limited to 'absl/flags/internal/type_erased_test.cc')
| -rw-r--r-- | absl/flags/internal/type_erased_test.cc | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/absl/flags/internal/type_erased_test.cc b/absl/flags/internal/type_erased_test.cc new file mode 100644 index 00000000..ac749a60 --- /dev/null +++ b/absl/flags/internal/type_erased_test.cc @@ -0,0 +1,147 @@ +// +// 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/internal/type_erased.h" + +#include <cmath> + +#include "gtest/gtest.h" +#include "absl/flags/flag.h" +#include "absl/memory/memory.h" +#include "absl/strings/str_cat.h" + +ABSL_FLAG(int, int_flag, 1, "int_flag help"); +ABSL_FLAG(std::string, string_flag, "dflt", "string_flag help"); +ABSL_RETIRED_FLAG(bool, bool_retired_flag, false, "bool_retired_flag help"); + +namespace { + +namespace flags = absl::flags_internal; + +class TypeErasedTest : public testing::Test { + protected: + void SetUp() override { flag_saver_ = absl::make_unique<flags::FlagSaver>(); } + void TearDown() override { flag_saver_.reset(); } + + private: + std::unique_ptr<flags::FlagSaver> flag_saver_; +}; + +// -------------------------------------------------------------------- + +TEST_F(TypeErasedTest, TestGetCommandLineOption) { + std::string value; + EXPECT_TRUE(flags::GetCommandLineOption("int_flag", &value)); + EXPECT_EQ(value, "1"); + + EXPECT_TRUE(flags::GetCommandLineOption("string_flag", &value)); + EXPECT_EQ(value, "dflt"); + + EXPECT_FALSE(flags::GetCommandLineOption("bool_retired_flag", &value)); + + EXPECT_FALSE(flags::GetCommandLineOption("unknown_flag", &value)); +} + +// -------------------------------------------------------------------- + +TEST_F(TypeErasedTest, TestSetCommandLineOption) { + EXPECT_TRUE(flags::SetCommandLineOption("int_flag", "101")); + EXPECT_EQ(absl::GetFlag(FLAGS_int_flag), 101); + + EXPECT_TRUE(flags::SetCommandLineOption("string_flag", "asdfgh")); + EXPECT_EQ(absl::GetFlag(FLAGS_string_flag), "asdfgh"); + + EXPECT_FALSE(flags::SetCommandLineOption("bool_retired_flag", "true")); + + EXPECT_FALSE(flags::SetCommandLineOption("unknown_flag", "true")); +} + +// -------------------------------------------------------------------- + +TEST_F(TypeErasedTest, TestSetCommandLineOptionWithMode_SET_FLAGS_VALUE) { + EXPECT_TRUE(flags::SetCommandLineOptionWithMode("int_flag", "101", + flags::SET_FLAGS_VALUE)); + EXPECT_EQ(absl::GetFlag(FLAGS_int_flag), 101); + + EXPECT_TRUE(flags::SetCommandLineOptionWithMode("string_flag", "asdfgh", + flags::SET_FLAGS_VALUE)); + EXPECT_EQ(absl::GetFlag(FLAGS_string_flag), "asdfgh"); + + EXPECT_FALSE(flags::SetCommandLineOptionWithMode("bool_retired_flag", "true", + flags::SET_FLAGS_VALUE)); + + EXPECT_FALSE(flags::SetCommandLineOptionWithMode("unknown_flag", "true", + flags::SET_FLAGS_VALUE)); +} + +// -------------------------------------------------------------------- + +TEST_F(TypeErasedTest, TestSetCommandLineOptionWithMode_SET_FLAG_IF_DEFAULT) { + EXPECT_TRUE(flags::SetCommandLineOptionWithMode("int_flag", "101", + flags::SET_FLAG_IF_DEFAULT)); + EXPECT_EQ(absl::GetFlag(FLAGS_int_flag), 101); + + // This semantic is broken. We return true instead of false. Value is not + // updated. + EXPECT_TRUE(flags::SetCommandLineOptionWithMode("int_flag", "202", + flags::SET_FLAG_IF_DEFAULT)); + EXPECT_EQ(absl::GetFlag(FLAGS_int_flag), 101); + + EXPECT_TRUE(flags::SetCommandLineOptionWithMode("string_flag", "asdfgh", + flags::SET_FLAG_IF_DEFAULT)); + EXPECT_EQ(absl::GetFlag(FLAGS_string_flag), "asdfgh"); + + EXPECT_FALSE(flags::SetCommandLineOptionWithMode("bool_retired_flag", "true", + flags::SET_FLAG_IF_DEFAULT)); + + EXPECT_FALSE(flags::SetCommandLineOptionWithMode("unknown_flag", "true", + flags::SET_FLAG_IF_DEFAULT)); +} + +// -------------------------------------------------------------------- + +TEST_F(TypeErasedTest, TestSetCommandLineOptionWithMode_SET_FLAGS_DEFAULT) { + EXPECT_TRUE(flags::SetCommandLineOptionWithMode("int_flag", "101", + flags::SET_FLAGS_DEFAULT)); + + EXPECT_TRUE(flags::SetCommandLineOptionWithMode("string_flag", "asdfgh", + flags::SET_FLAGS_DEFAULT)); + EXPECT_EQ(absl::GetFlag(FLAGS_string_flag), "asdfgh"); + + EXPECT_FALSE(flags::SetCommandLineOptionWithMode("bool_retired_flag", "true", + flags::SET_FLAGS_DEFAULT)); + + EXPECT_FALSE(flags::SetCommandLineOptionWithMode("unknown_flag", "true", + flags::SET_FLAGS_DEFAULT)); + + // This should be successfull, since flag is still is not set + EXPECT_TRUE(flags::SetCommandLineOptionWithMode("int_flag", "202", + flags::SET_FLAG_IF_DEFAULT)); + EXPECT_EQ(absl::GetFlag(FLAGS_int_flag), 202); +} + +// -------------------------------------------------------------------- + +TEST_F(TypeErasedTest, TestIsValidFlagValue) { + EXPECT_TRUE(flags::IsValidFlagValue("int_flag", "57")); + EXPECT_TRUE(flags::IsValidFlagValue("int_flag", "-101")); + EXPECT_FALSE(flags::IsValidFlagValue("int_flag", "1.1")); + + EXPECT_TRUE(flags::IsValidFlagValue("string_flag", "#%^#%^$%DGHDG$W%adsf")); + + EXPECT_TRUE(flags::IsValidFlagValue("bool_retired_flag", "true")); +} + +} // namespace |