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// Copyright 2016 The Android Open Source Project
//
// This software is licensed under the terms of the GNU General Public
// License version 2, as published by the Free Software Foundation, and
// may be copied, distributed, and modified under those terms.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
#include "base/ArraySize.h"
#include <gtest/gtest.h>
#include <vector>
namespace android {
namespace base {
TEST(ArraySize, Sizes) {
int array1[100];
EXPECT_EQ(100U, arraySize(array1));
EXPECT_EQ(100U, ARRAY_SIZE(array1));
char array2[200];
EXPECT_EQ(200U, arraySize(array2));
EXPECT_EQ(200U, ARRAY_SIZE(array2));
std::array<std::vector<bool>, 15> array3;
EXPECT_EQ(15U, arraySize(array3));
EXPECT_EQ(15U, ARRAY_SIZE(array3));
}
TEST(ArraySize, CompileTime) {
static constexpr int arr[20] = {};
static_assert(ARRAY_SIZE(arr) == 20U,
"Bad ARRAY_SIZE() result in compile time");
static_assert(arraySize(arr) == 20U,
"Bad arraySize() result in compile time");
static constexpr bool arr2[arraySize(arr)] = {};
static_assert(arraySize(arr2) == 20U,
"Bad size of a new array declared with a result of "
"arraySize() call");
static_assert(arraySize(arr) == ARRAY_SIZE(arr2),
"Macro and function are compatible");
}
} // namespace base
} // namespace android
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