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52 lines
1.6 KiB
52 lines
1.6 KiB
// Copyright 2016 The Android Open Source Project
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//
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// This software is licensed under the terms of the GNU General Public
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// License version 2, as published by the Free Software Foundation, and
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// may be copied, distributed, and modified under those terms.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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#include "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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