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/*
* Copyright 2020 The Android Open Source Project
*
* 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
*
* http://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 <gtest/gtest.h>
#include <input/NamedEnum.h>
namespace android {
// Test enum class maximum enum value smaller than default maximum of 8.
enum class TestEnums { ZERO = 0x0, ONE = 0x1, TWO = 0x2, THREE = 0x3, SEVEN = 0x7 };
// Big enum contains enum values greater than default maximum of 8.
enum class TestBigEnums { ZERO = 0x0, FIFTEEN = 0xF };
// Declared to specialize the maximum enum since the enum size exceeds 8 by default.
template <>
constexpr size_t NamedEnum::max<TestBigEnums> = 16;
namespace test {
using android::TestBigEnums;
using android::TestEnums;
TEST(NamedEnum, RuntimeNamedEnum) {
TestEnums e = TestEnums::ZERO;
ASSERT_EQ(NamedEnum::enum_name(e), "ZERO");
e = TestEnums::ONE;
ASSERT_EQ(NamedEnum::enum_name(e), "ONE");
e = TestEnums::THREE;
ASSERT_EQ(NamedEnum::enum_name(e), "THREE");
e = TestEnums::SEVEN;
ASSERT_EQ(NamedEnum::enum_name(e), "SEVEN");
}
// Test big enum
TEST(NamedEnum, RuntimeBigNamedEnum) {
TestBigEnums e = TestBigEnums::ZERO;
ASSERT_EQ(NamedEnum::enum_name(e), "ZERO");
e = TestBigEnums::FIFTEEN;
ASSERT_EQ(NamedEnum::enum_name(e), "FIFTEEN");
}
TEST(NamedEnum, RuntimeNamedEnumAsString) {
TestEnums e = TestEnums::ZERO;
ASSERT_EQ(NamedEnum::string(e), "ZERO");
e = TestEnums::ONE;
ASSERT_EQ(NamedEnum::string(e), "ONE");
e = TestEnums::THREE;
ASSERT_EQ(NamedEnum::string(e), "THREE");
e = TestEnums::SEVEN;
ASSERT_EQ(NamedEnum::string(e), "SEVEN");
}
TEST(NamedEnum, RuntimeBigNamedEnumAsString) {
TestBigEnums e = TestBigEnums::ZERO;
ASSERT_EQ(NamedEnum::string(e), "ZERO");
e = TestBigEnums::FIFTEEN;
ASSERT_EQ(NamedEnum::string(e), "FIFTEEN");
}
TEST(NamedEnum, RuntimeUnknownNamedEnum) {
TestEnums e = static_cast<TestEnums>(0x5);
ASSERT_EQ(NamedEnum::enum_name(e), std::nullopt);
e = static_cast<TestEnums>(0x9);
ASSERT_EQ(NamedEnum::enum_name(e), std::nullopt);
}
TEST(NamedEnum, RuntimeUnknownNamedEnumAsString) {
TestEnums e = static_cast<TestEnums>(0x5);
ASSERT_EQ(NamedEnum::string(e), "05");
e = static_cast<TestEnums>(0x9);
ASSERT_EQ(NamedEnum::string(e, "0x%08x"), "0x00000009");
}
TEST(NamedEnum, CompileTimeFlagName) {
static_assert(NamedEnum::enum_name<TestEnums::TWO>() == "TWO");
static_assert(NamedEnum::enum_name<TestEnums::THREE>() == "THREE");
}
} // namespace test
} // namespace android
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