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// Copyright 2020 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "platform/impl/windows/atomic_reference.h"
#include "gtest/gtest.h"
TEST(atomic_reference, SuccessfulCreation) {
// Arrange
location::nearby::windows::AtomicUint32 atomicUint32;
uint32_t result = UINT32_MAX;
const uint32_t expected = 0;
// Act
result = atomicUint32.Get();
// Assert
EXPECT_EQ(result, expected);
}
TEST(atomic_reference, SuccessfulMaxSet) {
// Arrange
location::nearby::windows::AtomicUint32 atomicUint32;
uint32_t result = 0;
const uint32_t expected = UINT32_MAX;
// Act
atomicUint32.Set(UINT32_MAX);
result = atomicUint32.Get();
// Assert
EXPECT_EQ(result, expected);
}
TEST(atomic_reference, SuccessfulMinSet) {
// Arrange
location::nearby::windows::AtomicUint32 atomicUint32;
uint32_t result = UINT32_MAX;
const uint32_t expected = 0;
// Act
atomicUint32.Set(0);
result = atomicUint32.Get();
// Assert
EXPECT_EQ(result, expected);
}
TEST(atomic_reference, SetNegativeOneReturnsMAXUINT) {
// Arrange
location::nearby::windows::AtomicUint32 atomicUint32;
uint32_t result = 0;
const uint32_t expected = UINT32_MAX;
// Act
atomicUint32.Set(-1); // Try Set -1, should actually store UINT32_MAX
result = atomicUint32.Get();
// Assert
EXPECT_EQ(result, expected);
}