| // Copyright 2020 The Dawn & Tint Authors |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are met: |
| // |
| // 1. Redistributions of source code must retain the above copyright notice, this |
| // list of conditions and the following disclaimer. |
| // |
| // 2. Redistributions in binary form must reproduce the above copyright notice, |
| // this list of conditions and the following disclaimer in the documentation |
| // and/or other materials provided with the distribution. |
| // |
| // 3. Neither the name of the copyright holder nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #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 |
| |
| template <> |
| struct wgpu::IsWGPUBitmask<dawn::native::TestAspect> { |
| static constexpr bool enable = true; |
| }; |
| |
| 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 |