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Unified Diff: base/files/memory_mapped_file_unittest.cc

Issue 1647803004: Move base to DEPS (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 4 years, 11 months ago
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Index: base/files/memory_mapped_file_unittest.cc
diff --git a/base/files/memory_mapped_file_unittest.cc b/base/files/memory_mapped_file_unittest.cc
deleted file mode 100644
index 05b941c308af2d8b3ae5e0d28e4e5e1425386acb..0000000000000000000000000000000000000000
--- a/base/files/memory_mapped_file_unittest.cc
+++ /dev/null
@@ -1,170 +0,0 @@
-// Copyright 2014 The Chromium 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 "base/files/memory_mapped_file.h"
-
-#include "base/files/file_path.h"
-#include "base/files/file_util.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "testing/platform_test.h"
-
-namespace base {
-
-namespace {
-
-// Create a temporary buffer and fill it with a watermark sequence.
-scoped_ptr<uint8[]> CreateTestBuffer(size_t size, size_t offset) {
- scoped_ptr<uint8[]> buf(new uint8[size]);
- for (size_t i = 0; i < size; ++i)
- buf.get()[i] = static_cast<uint8>((offset + i) % 253);
- return buf.Pass();
-}
-
-// Check that the watermark sequence is consistent with the |offset| provided.
-bool CheckBufferContents(const uint8* data, size_t size, size_t offset) {
- scoped_ptr<uint8[]> test_data(CreateTestBuffer(size, offset));
- return memcmp(test_data.get(), data, size) == 0;
-}
-
-class MemoryMappedFileTest : public PlatformTest {
- protected:
- void SetUp() override {
- PlatformTest::SetUp();
- CreateTemporaryFile(&temp_file_path_);
- }
-
- void TearDown() override { EXPECT_TRUE(DeleteFile(temp_file_path_, false)); }
-
- void CreateTemporaryTestFile(size_t size) {
- File file(temp_file_path_,
- File::FLAG_CREATE_ALWAYS | File::FLAG_READ | File::FLAG_WRITE);
- EXPECT_TRUE(file.IsValid());
-
- scoped_ptr<uint8[]> test_data(CreateTestBuffer(size, 0));
- size_t bytes_written =
- file.Write(0, reinterpret_cast<char*>(test_data.get()), size);
- EXPECT_EQ(size, bytes_written);
- file.Close();
- }
-
- const FilePath temp_file_path() const { return temp_file_path_; }
-
- private:
- FilePath temp_file_path_;
-};
-
-TEST_F(MemoryMappedFileTest, MapWholeFileByPath) {
- const size_t kFileSize = 68 * 1024;
- CreateTemporaryTestFile(kFileSize);
- MemoryMappedFile map;
- map.Initialize(temp_file_path());
- ASSERT_EQ(kFileSize, map.length());
- ASSERT_TRUE(map.data() != NULL);
- EXPECT_TRUE(map.IsValid());
- ASSERT_TRUE(CheckBufferContents(map.data(), kFileSize, 0));
-}
-
-TEST_F(MemoryMappedFileTest, MapWholeFileByFD) {
- const size_t kFileSize = 68 * 1024;
- CreateTemporaryTestFile(kFileSize);
- MemoryMappedFile map;
- map.Initialize(File(temp_file_path(), File::FLAG_OPEN | File::FLAG_READ));
- ASSERT_EQ(kFileSize, map.length());
- ASSERT_TRUE(map.data() != NULL);
- EXPECT_TRUE(map.IsValid());
- ASSERT_TRUE(CheckBufferContents(map.data(), kFileSize, 0));
-}
-
-TEST_F(MemoryMappedFileTest, MapSmallFile) {
- const size_t kFileSize = 127;
- CreateTemporaryTestFile(kFileSize);
- MemoryMappedFile map;
- map.Initialize(temp_file_path());
- ASSERT_EQ(kFileSize, map.length());
- ASSERT_TRUE(map.data() != NULL);
- EXPECT_TRUE(map.IsValid());
- ASSERT_TRUE(CheckBufferContents(map.data(), kFileSize, 0));
-}
-
-TEST_F(MemoryMappedFileTest, MapWholeFileUsingRegion) {
- const size_t kFileSize = 157 * 1024;
- CreateTemporaryTestFile(kFileSize);
- MemoryMappedFile map;
-
- File file(temp_file_path(), File::FLAG_OPEN | File::FLAG_READ);
- map.Initialize(file.Pass(), MemoryMappedFile::Region::kWholeFile);
- ASSERT_EQ(kFileSize, map.length());
- ASSERT_TRUE(map.data() != NULL);
- EXPECT_TRUE(map.IsValid());
- ASSERT_TRUE(CheckBufferContents(map.data(), kFileSize, 0));
-}
-
-TEST_F(MemoryMappedFileTest, MapPartialRegionAtBeginning) {
- const size_t kFileSize = 157 * 1024;
- const size_t kPartialSize = 4 * 1024 + 32;
- CreateTemporaryTestFile(kFileSize);
- MemoryMappedFile map;
-
- File file(temp_file_path(), File::FLAG_OPEN | File::FLAG_READ);
- MemoryMappedFile::Region region = {0, kPartialSize};
- map.Initialize(file.Pass(), region);
- ASSERT_EQ(kPartialSize, map.length());
- ASSERT_TRUE(map.data() != NULL);
- EXPECT_TRUE(map.IsValid());
- ASSERT_TRUE(CheckBufferContents(map.data(), kPartialSize, 0));
-}
-
-TEST_F(MemoryMappedFileTest, MapPartialRegionAtEnd) {
- const size_t kFileSize = 157 * 1024;
- const size_t kPartialSize = 5 * 1024 - 32;
- const size_t kOffset = kFileSize - kPartialSize;
- CreateTemporaryTestFile(kFileSize);
- MemoryMappedFile map;
-
- File file(temp_file_path(), File::FLAG_OPEN | File::FLAG_READ);
- MemoryMappedFile::Region region = {kOffset, kPartialSize};
- map.Initialize(file.Pass(), region);
- ASSERT_EQ(kPartialSize, map.length());
- ASSERT_TRUE(map.data() != NULL);
- EXPECT_TRUE(map.IsValid());
- ASSERT_TRUE(CheckBufferContents(map.data(), kPartialSize, kOffset));
-}
-
-TEST_F(MemoryMappedFileTest, MapSmallPartialRegionInTheMiddle) {
- const size_t kFileSize = 157 * 1024;
- const size_t kOffset = 1024 * 5 + 32;
- const size_t kPartialSize = 8;
-
- CreateTemporaryTestFile(kFileSize);
- MemoryMappedFile map;
-
- File file(temp_file_path(), File::FLAG_OPEN | File::FLAG_READ);
- MemoryMappedFile::Region region = {kOffset, kPartialSize};
- map.Initialize(file.Pass(), region);
- ASSERT_EQ(kPartialSize, map.length());
- ASSERT_TRUE(map.data() != NULL);
- EXPECT_TRUE(map.IsValid());
- ASSERT_TRUE(CheckBufferContents(map.data(), kPartialSize, kOffset));
-}
-
-TEST_F(MemoryMappedFileTest, MapLargePartialRegionInTheMiddle) {
- const size_t kFileSize = 157 * 1024;
- const size_t kOffset = 1024 * 5 + 32;
- const size_t kPartialSize = 16 * 1024 - 32;
-
- CreateTemporaryTestFile(kFileSize);
- MemoryMappedFile map;
-
- File file(temp_file_path(), File::FLAG_OPEN | File::FLAG_READ);
- MemoryMappedFile::Region region = {kOffset, kPartialSize};
- map.Initialize(file.Pass(), region);
- ASSERT_EQ(kPartialSize, map.length());
- ASSERT_TRUE(map.data() != NULL);
- EXPECT_TRUE(map.IsValid());
- ASSERT_TRUE(CheckBufferContents(map.data(), kPartialSize, kOffset));
-}
-
-} // namespace
-
-} // namespace base
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