| // Copyright 2020 The Dawn 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 |
| // |
| // 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 "dawn/native/EnumMaskIterator.h" |
| |
| #include "gtest/gtest.h" |
| |
| namespace dawn::native { |
| |
| enum class TestAspect : uint8_t { |
| Color = 1, |
| Depth = 2, |
| Stencil = 4, |
| }; |
| |
| template <> |
| struct EnumBitmaskSize<TestAspect> { |
| static constexpr unsigned value = 3; |
| }; |
| |
| } // namespace dawn::native |
| |
| namespace dawn { |
| |
| template <> |
| struct IsDawnBitmask<dawn::native::TestAspect> { |
| static constexpr bool enable = true; |
| }; |
| |
| } // namespace dawn |
| |
| namespace dawn::native { |
| |
| static_assert(EnumBitmaskSize<TestAspect>::value == 3); |
| |
| TEST(EnumMaskIteratorTests, None) { |
| for (TestAspect aspect : IterateEnumMask(static_cast<TestAspect>(0))) { |
| FAIL(); |
| DAWN_UNUSED(aspect); |
| } |
| } |
| |
| TEST(EnumMaskIteratorTests, All) { |
| TestAspect expected[] = {TestAspect::Color, TestAspect::Depth, TestAspect::Stencil}; |
| uint32_t i = 0; |
| TestAspect aspects = TestAspect::Color | TestAspect::Depth | TestAspect::Stencil; |
| for (TestAspect aspect : IterateEnumMask(aspects)) { |
| EXPECT_EQ(aspect, expected[i++]); |
| } |
| } |
| |
| TEST(EnumMaskIteratorTests, Partial) { |
| TestAspect expected[] = {TestAspect::Color, TestAspect::Stencil}; |
| uint32_t i = 0; |
| TestAspect aspects = TestAspect::Stencil | TestAspect::Color; |
| for (TestAspect aspect : IterateEnumMask(aspects)) { |
| EXPECT_EQ(aspect, expected[i++]); |
| } |
| } |
| |
| } // namespace dawn::native |