0
Files
src/pdf/chunk_stream_unittest.cc
Lei Zhang 64aa552cac Replace base::MakeUnique() in pdf/
Also use base::ASCIIToUTF16() where appropriate instead of

base: :UTF8ToUTF16().
Change-Id: Ia3f86d40bc5f22d1b80dc2fd59fdca8074fd1678
Reviewed-on: https://chromium-review.googlesource.com/706567
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
Cr-Commit-Position: refs/heads/master@{#509438}
2017-10-17 18:35:53 +00:00

100 lines
3.2 KiB
C++

// Copyright 2016 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 "pdf/chunk_stream.h"
#include <array>
#include <memory>
#include <utility>
#include "testing/gtest/include/gtest/gtest.h"
namespace chrome_pdf {
namespace {
typedef ChunkStream<10> TestChunkStream;
std::unique_ptr<TestChunkStream::ChunkData> CreateChunkData() {
return std::make_unique<TestChunkStream::ChunkData>();
}
} // namespace
TEST(ChunkStreamTest, InRow) {
TestChunkStream stream;
EXPECT_FALSE(stream.IsComplete());
EXPECT_FALSE(stream.IsRangeAvailable(gfx::Range(0, 10)));
stream.SetChunkData(0, CreateChunkData());
EXPECT_TRUE(stream.IsRangeAvailable(gfx::Range(0, 10)));
EXPECT_FALSE(stream.IsRangeAvailable(gfx::Range(0, 20)));
stream.SetChunkData(1, CreateChunkData());
EXPECT_TRUE(stream.IsRangeAvailable(gfx::Range(0, 20)));
EXPECT_FALSE(stream.IsRangeAvailable(gfx::Range(0, 30)));
stream.SetChunkData(2, CreateChunkData());
EXPECT_TRUE(stream.IsRangeAvailable(gfx::Range(0, 30)));
stream.set_eof_pos(25);
EXPECT_FALSE(stream.IsRangeAvailable(gfx::Range(0, 30)));
EXPECT_TRUE(stream.IsRangeAvailable(gfx::Range(0, 25)));
EXPECT_TRUE(stream.IsComplete());
}
TEST(ChunkStreamTest, InBackRow) {
TestChunkStream stream;
stream.set_eof_pos(25);
EXPECT_FALSE(stream.IsComplete());
EXPECT_FALSE(stream.IsRangeAvailable(gfx::Range(20, 25)));
stream.SetChunkData(2, CreateChunkData());
EXPECT_TRUE(stream.IsRangeAvailable(gfx::Range(20, 25)));
EXPECT_FALSE(stream.IsRangeAvailable(gfx::Range(10, 20)));
stream.SetChunkData(1, CreateChunkData());
EXPECT_TRUE(stream.IsRangeAvailable(gfx::Range(10, 20)));
EXPECT_FALSE(stream.IsRangeAvailable(gfx::Range(0, 10)));
stream.SetChunkData(0, CreateChunkData());
EXPECT_TRUE(stream.IsRangeAvailable(gfx::Range(0, 10)));
EXPECT_TRUE(stream.IsComplete());
}
TEST(ChunkStreamTest, FillGap) {
TestChunkStream stream;
stream.set_eof_pos(25);
EXPECT_FALSE(stream.IsComplete());
stream.SetChunkData(0, CreateChunkData());
stream.SetChunkData(2, CreateChunkData());
EXPECT_TRUE(stream.IsRangeAvailable(gfx::Range(0, 10)));
EXPECT_TRUE(stream.IsRangeAvailable(gfx::Range(20, 25)));
EXPECT_FALSE(stream.IsRangeAvailable(gfx::Range(0, 25)));
stream.SetChunkData(1, CreateChunkData());
EXPECT_TRUE(stream.IsRangeAvailable(gfx::Range(0, 25)));
EXPECT_TRUE(stream.IsComplete());
}
TEST(ChunkStreamTest, Read) {
TestChunkStream stream;
stream.set_eof_pos(25);
const unsigned char start_value = 33;
unsigned char value = start_value;
auto chunk_0 = CreateChunkData();
for (auto& it : *chunk_0) {
it = ++value;
}
auto chunk_1 = CreateChunkData();
for (auto& it : *chunk_1) {
it = ++value;
}
auto chunk_2 = CreateChunkData();
for (auto& it : *chunk_2) {
it = ++value;
}
stream.SetChunkData(0, std::move(chunk_0));
stream.SetChunkData(2, std::move(chunk_2));
stream.SetChunkData(1, std::move(chunk_1));
std::array<unsigned char, 25> result_data;
EXPECT_TRUE(stream.ReadData(gfx::Range(0, 25), result_data.data()));
value = start_value;
for (const auto& it : result_data) {
EXPECT_EQ(++value, it);
}
}
} // namespace chrome_pdf