| // Copyright 2015 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 "content/child/blob_storage/blob_consolidation.h" |
| |
| #include "base/files/file_path.h" |
| #include "testing/gmock/include/gmock/gmock.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| using ReadStatus = content::BlobConsolidation::ReadStatus; |
| using storage::DataElement; |
| |
| namespace content { |
| namespace { |
| |
| static blink::WebThreadSafeData CreateData(const std::string& str) { |
| return blink::WebThreadSafeData(str.c_str(), str.size()); |
| } |
| |
| TEST(BlobConsolidationTest, TestSegmentation) { |
| BlobConsolidation consolidation; |
| consolidation.AddDataItem(CreateData("12345")); |
| EXPECT_EQ(5lu, consolidation.total_memory()); |
| |
| const auto& items = consolidation.consolidated_items(); |
| EXPECT_EQ(1u, items.size()); |
| EXPECT_EQ(5lu, items[0].length); |
| EXPECT_EQ(DataElement::TYPE_BYTES, items[0].type); |
| EXPECT_EQ(0lu, items[0].offset); |
| |
| char memory[] = {'E'}; |
| EXPECT_EQ(ReadStatus::OK, consolidation.ReadMemory(0, 0, 1, memory)); |
| EXPECT_EQ('1', memory[0]); |
| EXPECT_EQ(ReadStatus::OK, consolidation.ReadMemory(0, 1, 1, memory)); |
| EXPECT_EQ('2', memory[0]); |
| EXPECT_EQ(ReadStatus::OK, consolidation.ReadMemory(0, 2, 1, memory)); |
| EXPECT_EQ('3', memory[0]); |
| EXPECT_EQ(ReadStatus::OK, consolidation.ReadMemory(0, 3, 1, memory)); |
| EXPECT_EQ('4', memory[0]); |
| EXPECT_EQ(ReadStatus::OK, consolidation.ReadMemory(0, 4, 1, memory)); |
| EXPECT_EQ('5', memory[0]); |
| } |
| |
| TEST(BlobConsolidationTest, TestConsolidation) { |
| BlobConsolidation consolidation; |
| consolidation.AddDataItem(CreateData("1")); |
| consolidation.AddDataItem(CreateData("23")); |
| consolidation.AddDataItem(CreateData("4")); |
| EXPECT_EQ(4u, consolidation.total_memory()); |
| |
| const auto& items = consolidation.consolidated_items(); |
| EXPECT_EQ(1u, items.size()); |
| EXPECT_EQ(4lu, items[0].length); |
| EXPECT_EQ(DataElement::TYPE_BYTES, items[0].type); |
| EXPECT_EQ(0lu, items[0].offset); |
| |
| char memory[4]; |
| EXPECT_EQ(ReadStatus::ERROR_OUT_OF_BOUNDS, |
| consolidation.ReadMemory(0, 0, 5, memory)); |
| EXPECT_EQ(ReadStatus::ERROR_OUT_OF_BOUNDS, |
| consolidation.ReadMemory(1, 0, 4, memory)); |
| EXPECT_EQ(ReadStatus::ERROR_OUT_OF_BOUNDS, |
| consolidation.ReadMemory(0, 1, 4, memory)); |
| EXPECT_EQ(ReadStatus::OK, consolidation.ReadMemory(0, 0, 4, memory)); |
| |
| char expected_memory[] = {'1', '2', '3', '4'}; |
| EXPECT_THAT(memory, testing::ElementsAreArray(expected_memory)); |
| } |
| |
| TEST(BlobConsolidationTest, TestMassiveConsolidation) { |
| BlobConsolidation consolidation; |
| const size_t kNumParts = 300; |
| const size_t kPartSize = 5; |
| const size_t kTotalMemory = kNumParts * kPartSize; |
| const size_t kReadSegmentSize = 6; // Must be factor of kTotalMemory |
| const size_t kNumReadSegments = kTotalMemory / kReadSegmentSize; |
| |
| char current_value = 0; |
| for (size_t i = 0; i < kNumParts; i++) { |
| char data[kPartSize]; |
| for (size_t j = 0; j < kPartSize; j++) { |
| data[j] = current_value; |
| ++current_value; |
| } |
| consolidation.AddDataItem(blink::WebThreadSafeData(data, kPartSize)); |
| } |
| EXPECT_EQ(kTotalMemory, consolidation.total_memory()); |
| |
| const auto& items = consolidation.consolidated_items(); |
| EXPECT_EQ(1u, items.size()); |
| EXPECT_EQ(kTotalMemory, items[0].length); |
| |
| char expected_value = 0; |
| char read_buffer[kReadSegmentSize]; |
| for (size_t i = 0; i < kNumReadSegments; i++) { |
| EXPECT_EQ(ReadStatus::OK, |
| consolidation.ReadMemory(0, i * kReadSegmentSize, |
| kReadSegmentSize, read_buffer)); |
| for (size_t j = 0; j < kReadSegmentSize; j++) { |
| EXPECT_EQ(expected_value, read_buffer[j]); |
| ++expected_value; |
| } |
| } |
| } |
| |
| TEST(BlobConsolidationTest, TestPartialRead) { |
| BlobConsolidation consolidation; |
| consolidation.AddDataItem(CreateData("1")); |
| consolidation.AddDataItem(CreateData("23")); |
| consolidation.AddDataItem(CreateData("45")); |
| EXPECT_EQ(5u, consolidation.total_memory()); |
| |
| const auto& items = consolidation.consolidated_items(); |
| EXPECT_EQ(1u, items.size()); |
| EXPECT_EQ(5lu, items[0].length); |
| EXPECT_EQ(0lu, items[0].offset); |
| |
| char memory_part1[] = {'X', 'X'}; |
| EXPECT_EQ(ReadStatus::OK, consolidation.ReadMemory(0, 0, 2, memory_part1)); |
| char expected_memory_part1[] = {'1', '2'}; |
| EXPECT_THAT(memory_part1, testing::ElementsAreArray(expected_memory_part1)); |
| |
| char memory_part2[] = {'X', 'X'}; |
| EXPECT_EQ(ReadStatus::OK, consolidation.ReadMemory(0, 2, 2, memory_part2)); |
| char expected_memory_part2[] = {'3', '4'}; |
| EXPECT_THAT(memory_part2, testing::ElementsAreArray(expected_memory_part2)); |
| |
| char memory_part3[] = {'X'}; |
| EXPECT_EQ(ReadStatus::OK, consolidation.ReadMemory(0, 4, 1, memory_part3)); |
| char expected_memory_part3[] = {'5'}; |
| EXPECT_THAT(memory_part3, testing::ElementsAreArray(expected_memory_part3)); |
| } |
| |
| TEST(BlobConsolidationTest, TestBoundaries) { |
| BlobConsolidation consolidation; |
| consolidation.AddDataItem(CreateData("1")); |
| consolidation.AddFileItem(base::FilePath(FILE_PATH_LITERAL("testPath")), 1, |
| 10, 5.0); |
| consolidation.AddDataItem(CreateData("2")); |
| consolidation.AddDataItem(CreateData("3")); |
| consolidation.AddBlobItem("testUUID", 1, 2); |
| consolidation.AddDataItem(CreateData("45")); |
| EXPECT_EQ(5u, consolidation.total_memory()); |
| |
| const auto& items = consolidation.consolidated_items(); |
| EXPECT_EQ(5u, items.size()); |
| |
| EXPECT_EQ(1lu, items[0].length); |
| EXPECT_EQ(DataElement::TYPE_BYTES, items[0].type); |
| |
| EXPECT_EQ(10lu, items[1].length); |
| EXPECT_EQ(DataElement::TYPE_FILE, items[1].type); |
| |
| EXPECT_EQ(2lu, items[2].length); |
| EXPECT_EQ(DataElement::TYPE_BYTES, items[2].type); |
| |
| EXPECT_EQ(2lu, items[3].length); |
| EXPECT_EQ(DataElement::TYPE_BLOB, items[3].type); |
| |
| EXPECT_EQ(2lu, items[4].length); |
| EXPECT_EQ(DataElement::TYPE_BYTES, items[4].type); |
| |
| char test_memory[5]; |
| EXPECT_EQ(ReadStatus::ERROR_WRONG_TYPE, |
| consolidation.ReadMemory(1, 0, 1, test_memory)); |
| EXPECT_EQ(ReadStatus::ERROR_WRONG_TYPE, |
| consolidation.ReadMemory(3, 0, 1, test_memory)); |
| |
| char memory_part1[1]; |
| EXPECT_EQ(ReadStatus::OK, consolidation.ReadMemory(0, 0, 1, memory_part1)); |
| char expected_memory_part1[] = {'1'}; |
| EXPECT_THAT(memory_part1, testing::ElementsAreArray(expected_memory_part1)); |
| |
| char memory_part2[2]; |
| EXPECT_EQ(ReadStatus::OK, consolidation.ReadMemory(2, 0, 2, memory_part2)); |
| char expected_memory_part2[] = {'2', '3'}; |
| EXPECT_THAT(memory_part2, testing::ElementsAreArray(expected_memory_part2)); |
| |
| char memory_part3[2]; |
| EXPECT_EQ(ReadStatus::OK, consolidation.ReadMemory(4, 0, 2, memory_part3)); |
| char expected_memory_part3[] = {'4', '5'}; |
| EXPECT_THAT(memory_part3, testing::ElementsAreArray(expected_memory_part3)); |
| } |
| |
| } // namespace |
| } // namespace content |