Files
sousa-gecko/mfbt/tests/TestArray.cpp
T

47 lines
1.4 KiB
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/Array.h"
#include <cstdint>
#include <iterator>
#include <type_traits>
void TestInitialValueByConstructor() {
using namespace mozilla;
// Style 1
Array<int32_t, 3> arr1(1, 2, 3);
MOZ_RELEASE_ASSERT(arr1[0] == 1);
MOZ_RELEASE_ASSERT(arr1[1] == 2);
MOZ_RELEASE_ASSERT(arr1[2] == 3);
// Style 2
Array<int32_t, 3> arr2{5, 6, 7};
MOZ_RELEASE_ASSERT(arr2[0] == 5);
MOZ_RELEASE_ASSERT(arr2[1] == 6);
MOZ_RELEASE_ASSERT(arr2[2] == 7);
// Style 3
Array<int32_t, 3> arr3({8, 9, 10});
MOZ_RELEASE_ASSERT(arr3[0] == 8);
MOZ_RELEASE_ASSERT(arr3[1] == 9);
MOZ_RELEASE_ASSERT(arr3[2] == 10);
}
void TestStdData() {
using namespace mozilla;
Array<int32_t, 4> arr(1, 2, 3, 4);
static_assert(std::is_same_v<decltype(std::data(arr)), int32_t*>);
MOZ_RELEASE_ASSERT(*std::data(arr) == 1);
MOZ_RELEASE_ASSERT(std::data(arr) == &arr[0]);
MOZ_RELEASE_ASSERT(std::data(arr) == arr.begin());
const Array<int32_t, 1> const_arr(1);
static_assert(std::is_same_v<decltype(std::data(const_arr)), const int32_t*>);
MOZ_RELEASE_ASSERT(*std::data(arr) == 1);
}
int main() {
TestInitialValueByConstructor();
TestStdData();
return 0;
}