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//
// Copyright (c) 2015 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// Unit tests for ANGLE's Optional helper class.
//
#include "gmock/gmock.h"
#include "gtest/gtest.h"
#include "common/Optional.h"
namespace
{
TEST(OptionalTest, BasicInvalid)
{
Optional<int> testInvalid;
ASSERT_FALSE(testInvalid.valid());
ASSERT_EQ(Optional<int>::Invalid(), testInvalid);
}
TEST(OptionalTest, BasicValid)
{
Optional<int> testValid(3);
ASSERT_TRUE(testValid.valid());
ASSERT_EQ(3, testValid.value());
ASSERT_NE(Optional<int>::Invalid(), testValid);
}
TEST(OptionalTest, Copies)
{
Optional<int> testValid(3);
Optional<int> testInvalid;
Optional<int> testCopy = testInvalid;
ASSERT_FALSE(testCopy.valid());
ASSERT_EQ(testInvalid, testCopy);
testCopy = testValid;
ASSERT_TRUE(testCopy.valid());
ASSERT_EQ(3, testCopy.value());
ASSERT_EQ(testValid, testCopy);
}
} // namespace
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