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// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/memory/ref_counted_memory.h"
#include <stdint.h>
#include <utility>
#include "base/containers/span.h"
#include "base/memory/read_only_shared_memory_region.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
using testing::ElementsAre;
namespace base {
TEST(RefCountedMemoryUnitTest, RefCountedStaticMemory) {
{
auto mem = MakeRefCounted<RefCountedStaticMemory>(
byte_span_from_cstring("static mem"));
EXPECT_THAT(span(*mem),
ElementsAre('s', 't', 'a', 't', 'i', 'c', ' ', 'm', 'e', 'm'));
}
}
TEST(RefCountedMemoryUnitTest, RefCountedBytes) {
std::vector<uint8_t> data;
data.push_back(45);
data.push_back(99);
scoped_refptr<RefCountedMemory> mem =
MakeRefCounted<RefCountedBytes>(std::move(data));
EXPECT_THAT(span(*mem), ElementsAre(45, 99));
scoped_refptr<RefCountedMemory> mem2;
{
const uint8_t kData[] = {12, 11, 99};
mem2 = MakeRefCounted<RefCountedBytes>(span(kData));
}
EXPECT_THAT(span(*mem2), ElementsAre(12, 11, 99));
}
TEST(RefCountedMemoryUnitTest, RefCountedBytesMutable) {
auto mem = MakeRefCounted<RefCountedBytes>(10);
EXPECT_THAT(span(*mem), ElementsAre(0, 0, 0, 0, 0, 0, 0, 0, 0, 0));
// Test non-const version of as_vector().
mem->as_vector()[1u] = 1;
EXPECT_THAT(span(*mem), ElementsAre(0, 1, 0, 0, 0, 0, 0, 0, 0, 0));
}
TEST(RefCountedMemoryUnitTest, RefCountedString) {
scoped_refptr<RefCountedMemory> mem =
MakeRefCounted<RefCountedString>(std::string("destroy me"));
EXPECT_EQ(span(*mem), span_from_cstring("destroy me"));
}
TEST(RefCountedMemoryUnitTest, Equals) {
scoped_refptr<RefCountedMemory> mem1 =
MakeRefCounted<RefCountedString>(std::string("same"));
std::vector<uint8_t> d2 = {'s', 'a', 'm', 'e'};
scoped_refptr<RefCountedMemory> mem2 =
MakeRefCounted<RefCountedBytes>(std::move(d2));
EXPECT_TRUE(mem1->Equals(mem2));
std::string s3("diff");
scoped_refptr<RefCountedMemory> mem3 =
MakeRefCounted<RefCountedString>(std::move(s3));
EXPECT_FALSE(mem1->Equals(mem3));
EXPECT_FALSE(mem2->Equals(mem3));
}
TEST(RefCountedMemoryUnitTest, EqualsNull) {
std::string s("str");
scoped_refptr<RefCountedMemory> mem =
MakeRefCounted<RefCountedString>(std::move(s));
EXPECT_FALSE(mem->Equals(nullptr));
}
} // namespace base
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