| // Copyright 2023 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/common/Compiler.h" |
| #include "dawn/common/Range.h" |
| #include "dawn/common/TypedInteger.h" |
| #include "gtest/gtest.h" |
| |
| namespace dawn { |
| namespace { |
| |
| // Test that iterating an empty range doesn't iterate at all. |
| TEST(RangeTests, Empty) { |
| for ([[maybe_unused]] auto i : Range(0)) { |
| // Silence a -Wunreachable-code-loop-increment |
| if ((0)) { |
| continue; |
| } |
| FAIL(); |
| } |
| for ([[maybe_unused]] auto i : Range(0, 0)) { |
| // Silence a -Wunreachable-code-loop-increment |
| if ((0)) { |
| continue; |
| } |
| FAIL(); |
| } |
| } |
| |
| // Test iterating with just an end. |
| TEST(RangeTests, JustEnd) { |
| int count = 0; |
| for (auto i : Range(45)) { |
| ASSERT_EQ(count, i); |
| count++; |
| } |
| ASSERT_EQ(count, 45); |
| } |
| |
| // Test iterating with a start and an end. |
| TEST(RangeTests, StartAndEnd) { |
| int count = 18; |
| for (auto i : Range(18, 45)) { |
| ASSERT_EQ(count, i); |
| count++; |
| } |
| ASSERT_EQ(count, 45); |
| } |
| |
| // Test iterating with a start and an end. |
| TEST(RangeTests, StartAndEnd_ITyp) { |
| using Int = TypedInteger<struct IntT, int>; |
| |
| Int count{18}; |
| for (auto i : Range(Int{18}, Int{45})) { |
| ASSERT_EQ(count, i); |
| count++; |
| } |
| ASSERT_EQ(count, Int{45}); |
| } |
| |
| } // anonymous namespace |
| } // namespace dawn |