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a75205265e
Move the RoundUp() and IsPowerOfTwo() methods from Resolver.cc to this file. Add tests Change-Id: Ib7af53dfa5e69083ec4fc2484da92a84c9468818 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/44682 Auto-Submit: Ben Clayton <bclayton@google.com> Commit-Queue: Antonio Maiorano <amaiorano@google.com> Reviewed-by: Antonio Maiorano <amaiorano@google.com>
64 lines
1.7 KiB
C++
64 lines
1.7 KiB
C++
// Copyright 2021 The Tint 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 "src/utils/math.h"
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#include "gtest/gtest.h"
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namespace tint {
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namespace utils {
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namespace {
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TEST(MathTests, RoundUp) {
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EXPECT_EQ(RoundUp(1, 0), 0);
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EXPECT_EQ(RoundUp(1, 1), 1);
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EXPECT_EQ(RoundUp(1, 2), 2);
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EXPECT_EQ(RoundUp(1, 1), 1);
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EXPECT_EQ(RoundUp(2, 1), 2);
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EXPECT_EQ(RoundUp(3, 1), 3);
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EXPECT_EQ(RoundUp(4, 1), 4);
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EXPECT_EQ(RoundUp(1, 2), 2);
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EXPECT_EQ(RoundUp(2, 2), 2);
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EXPECT_EQ(RoundUp(3, 2), 3);
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EXPECT_EQ(RoundUp(4, 2), 4);
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EXPECT_EQ(RoundUp(1, 3), 3);
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EXPECT_EQ(RoundUp(2, 3), 4);
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EXPECT_EQ(RoundUp(3, 3), 3);
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EXPECT_EQ(RoundUp(4, 3), 4);
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EXPECT_EQ(RoundUp(1, 4), 4);
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EXPECT_EQ(RoundUp(2, 4), 4);
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EXPECT_EQ(RoundUp(3, 4), 6);
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EXPECT_EQ(RoundUp(4, 4), 4);
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}
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TEST(MathTests, IsPowerOfTwo) {
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EXPECT_EQ(IsPowerOfTwo(1), true);
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EXPECT_EQ(IsPowerOfTwo(2), true);
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EXPECT_EQ(IsPowerOfTwo(3), false);
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EXPECT_EQ(IsPowerOfTwo(4), true);
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EXPECT_EQ(IsPowerOfTwo(5), false);
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EXPECT_EQ(IsPowerOfTwo(6), false);
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EXPECT_EQ(IsPowerOfTwo(7), false);
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EXPECT_EQ(IsPowerOfTwo(8), true);
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EXPECT_EQ(IsPowerOfTwo(9), false);
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}
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} // namespace
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} // namespace utils
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} // namespace tint
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