54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
// Copyright 2016 The Android Open Source Project
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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 expresso 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 "aemu/base/ArraySize.h"
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#include <gtest/gtest.h>
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#include <vector>
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namespace android {
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namespace base {
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TEST(ArraySize, Sizes) {
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int array1[100];
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EXPECT_EQ(100U, arraySize(array1));
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EXPECT_EQ(100U, ARRAY_SIZE(array1));
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char array2[200];
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EXPECT_EQ(200U, arraySize(array2));
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EXPECT_EQ(200U, ARRAY_SIZE(array2));
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std::array<std::vector<bool>, 15> array3;
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EXPECT_EQ(15U, arraySize(array3));
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EXPECT_EQ(15U, ARRAY_SIZE(array3));
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}
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TEST(ArraySize, CompileTime) {
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static constexpr int arr[20] = {};
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static_assert(ARRAY_SIZE(arr) == 20U,
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"Bad ARRAY_SIZE() result in compile time");
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static_assert(arraySize(arr) == 20U,
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"Bad arraySize() result in compile time");
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static constexpr bool arr2[arraySize(arr)] = {};
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static_assert(arraySize(arr2) == 20U,
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"Bad size of a new array declared with a result of "
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"arraySize() call");
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static_assert(arraySize(arr) == ARRAY_SIZE(arr2),
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"Macro and function are compatible");
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}
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} // namespace base
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} // namespace android
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