blob: aafc14e4deb7596722e24b321eaec20dbe9e5b86 [file] [log] [blame]
// Copyright 2019 Google LLC
//
// 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 "public/emboss_constant_view.h"
#include <gtest/gtest.h>
namespace emboss {
namespace support {
namespace test {
TEST(MaybeConstantViewTest, Read) {
EXPECT_EQ(7, MaybeConstantView</**/ ::std::uint8_t>(7).Read());
EXPECT_DEATH(MaybeConstantView</**/ ::std::uint8_t>().Read(), "Known\\(\\)");
}
TEST(MaybeConstantViewTest, UncheckedRead) {
EXPECT_EQ(7, MaybeConstantView</**/ ::std::uint8_t>(7).UncheckedRead());
EXPECT_EQ(0, MaybeConstantView</**/ ::std::uint8_t>().UncheckedRead());
}
TEST(MaybeConstantViewTest, Ok) {
EXPECT_TRUE(MaybeConstantView</**/ ::std::uint8_t>(7).Ok());
EXPECT_FALSE(MaybeConstantView</**/ ::std::uint8_t>().Ok());
}
TEST(MaybeConstantViewTest, CopyConstruction) {
auto with_value = MaybeConstantView</**/ ::std::uint8_t>(7);
auto copied_with_value = with_value;
EXPECT_EQ(7, copied_with_value.Read());
auto without_value = MaybeConstantView</**/ ::std::uint8_t>();
auto copied_without_value = without_value;
EXPECT_FALSE(copied_without_value.Ok());
}
TEST(MaybeConstantViewTest, Assignment) {
auto with_value = MaybeConstantView</**/ ::std::uint8_t>(7);
MaybeConstantView</**/ ::std::uint8_t> copied_with_value;
copied_with_value = with_value;
EXPECT_EQ(7, copied_with_value.Read());
auto without_value = MaybeConstantView</**/ ::std::uint8_t>();
MaybeConstantView</**/ ::std::uint8_t> copied_without_value;
copied_without_value = without_value;
EXPECT_FALSE(copied_without_value.Ok());
}
} // namespace test
} // namespace support
} // namespace emboss