| // 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 |