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https://github.com/encounter/dawn-cmake.git
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189b0cec37
Bug: dawn:1275 Change-Id: I79f2aeb0c54a74dd5becd90c46792705a28e87da Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/79100 Reviewed-by: Corentin Wallez <cwallez@chromium.org> Commit-Queue: Austin Eng <enga@chromium.org>
73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
// Copyright 2020 The Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "dawn/native/EnumMaskIterator.h"
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#include "gtest/gtest.h"
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namespace dawn::native {
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enum class TestAspect : uint8_t {
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Color = 1,
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Depth = 2,
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Stencil = 4,
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};
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template <>
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struct EnumBitmaskSize<TestAspect> {
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static constexpr unsigned value = 3;
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};
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} // namespace dawn::native
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namespace dawn {
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template <>
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struct IsDawnBitmask<dawn::native::TestAspect> {
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static constexpr bool enable = true;
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};
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} // namespace dawn
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namespace dawn::native {
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static_assert(EnumBitmaskSize<TestAspect>::value == 3);
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TEST(EnumMaskIteratorTests, None) {
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for (TestAspect aspect : IterateEnumMask(static_cast<TestAspect>(0))) {
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FAIL();
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DAWN_UNUSED(aspect);
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}
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}
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TEST(EnumMaskIteratorTests, All) {
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TestAspect expected[] = {TestAspect::Color, TestAspect::Depth, TestAspect::Stencil};
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uint32_t i = 0;
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TestAspect aspects = TestAspect::Color | TestAspect::Depth | TestAspect::Stencil;
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for (TestAspect aspect : IterateEnumMask(aspects)) {
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EXPECT_EQ(aspect, expected[i++]);
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}
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}
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TEST(EnumMaskIteratorTests, Partial) {
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TestAspect expected[] = {TestAspect::Color, TestAspect::Stencil};
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uint32_t i = 0;
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TestAspect aspects = TestAspect::Stencil | TestAspect::Color;
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for (TestAspect aspect : IterateEnumMask(aspects)) {
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EXPECT_EQ(aspect, expected[i++]);
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}
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}
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} // namespace dawn::native
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