blob: 902850d03e9f3b5db799d2b67b755b416167d272 [file] [log] [blame]
// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "flutter/fml/platform/darwin/cf_utils.h"
#include "flutter/testing/testing.h"
namespace fml {
namespace testing {
TEST(CFTest, CanCreateRefs) {
CFRef<CFMutableStringRef> string(CFStringCreateMutable(kCFAllocatorDefault, 100u));
// Cast
ASSERT_TRUE(static_cast<bool>(string));
ASSERT_TRUE(string);
const auto ref_count = CFGetRetainCount(string);
// Copy & Reset
{
CFRef<CFMutableStringRef> string2 = string;
ASSERT_TRUE(string2);
ASSERT_EQ(ref_count + 1u, CFGetRetainCount(string));
ASSERT_EQ(CFGetRetainCount(string2), CFGetRetainCount(string));
string2.Reset();
ASSERT_FALSE(string2);
ASSERT_EQ(ref_count, CFGetRetainCount(string));
}
// Release
{
auto string3 = string;
ASSERT_TRUE(string3);
ASSERT_EQ(ref_count + 1u, CFGetRetainCount(string));
auto raw_string3 = string3.Release();
ASSERT_FALSE(string3);
ASSERT_EQ(ref_count + 1u, CFGetRetainCount(string));
CFRelease(raw_string3);
ASSERT_EQ(ref_count, CFGetRetainCount(string));
}
// Move
{
auto string_source = string;
ASSERT_TRUE(string_source);
auto string_move = std::move(string_source);
ASSERT_FALSE(string_source); // NOLINT(bugprone-use-after-move)
ASSERT_EQ(ref_count + 1u, CFGetRetainCount(string));
string_move.Reset();
ASSERT_EQ(ref_count, CFGetRetainCount(string));
}
// Move assign.
{
auto string_move_assign = std::move(string);
ASSERT_FALSE(string); // NOLINT(bugprone-use-after-move)
ASSERT_EQ(ref_count, CFGetRetainCount(string_move_assign));
}
}
} // namespace testing
} // namespace fml