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Brian Carlstromcd60ac72013-01-20 17:09:51 -08001/*
2 * Copyright (C) 2013 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
Brian Carlstromcd60ac72013-01-20 17:09:51 -080017#include "file_output_stream.h"
18#include "vector_output_stream.h"
19
Ian Rogerse63db272014-07-15 15:36:11 -070020#include "base/unix_file/fd_file.h"
Brian Carlstroma1ce1fe2014-02-24 23:23:58 -080021#include "base/logging.h"
22#include "buffered_output_stream.h"
23#include "common_runtime_test.h"
24
Brian Carlstromcd60ac72013-01-20 17:09:51 -080025namespace art {
26
Brian Carlstroma1ce1fe2014-02-24 23:23:58 -080027class OutputStreamTest : public CommonRuntimeTest {
Brian Carlstromcd60ac72013-01-20 17:09:51 -080028 protected:
29 void CheckOffset(off_t expected) {
Brian Carlstrom49a0f152013-01-22 17:17:36 -080030 off_t actual = output_stream_->Seek(0, kSeekCurrent);
Ian Rogers8d3a1172013-06-04 01:13:28 -070031 EXPECT_EQ(expected, actual);
Brian Carlstromcd60ac72013-01-20 17:09:51 -080032 }
33
34 void SetOutputStream(OutputStream& output_stream) {
35 output_stream_ = &output_stream;
36 }
37
38 void GenerateTestOutput() {
Ian Rogers8d3a1172013-06-04 01:13:28 -070039 EXPECT_EQ(3, output_stream_->Seek(3, kSeekCurrent));
Brian Carlstromcd60ac72013-01-20 17:09:51 -080040 CheckOffset(3);
Ian Rogers8d3a1172013-06-04 01:13:28 -070041 EXPECT_EQ(2, output_stream_->Seek(2, kSeekSet));
Brian Carlstromcd60ac72013-01-20 17:09:51 -080042 CheckOffset(2);
43 uint8_t buf[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
Ian Rogers8d3a1172013-06-04 01:13:28 -070044 EXPECT_TRUE(output_stream_->WriteFully(buf, 2));
Brian Carlstromcd60ac72013-01-20 17:09:51 -080045 CheckOffset(4);
Ian Rogers8d3a1172013-06-04 01:13:28 -070046 EXPECT_EQ(6, output_stream_->Seek(2, kSeekEnd));
Brian Carlstromcd60ac72013-01-20 17:09:51 -080047 CheckOffset(6);
Ian Rogers8d3a1172013-06-04 01:13:28 -070048 EXPECT_TRUE(output_stream_->WriteFully(buf, 4));
Brian Carlstromcd60ac72013-01-20 17:09:51 -080049 CheckOffset(10);
50 }
51
52 void CheckTestOutput(const std::vector<uint8_t>& actual) {
53 uint8_t expected[] = {
54 0, 0, 1, 2, 0, 0, 1, 2, 3, 4
55 };
Ian Rogers8d3a1172013-06-04 01:13:28 -070056 EXPECT_EQ(sizeof(expected), actual.size());
57 EXPECT_EQ(0, memcmp(expected, &actual[0], actual.size()));
Brian Carlstromcd60ac72013-01-20 17:09:51 -080058 }
59
60 OutputStream* output_stream_;
61};
62
63TEST_F(OutputStreamTest, File) {
64 ScratchFile tmp;
65 FileOutputStream output_stream(tmp.GetFile());
66 SetOutputStream(output_stream);
67 GenerateTestOutput();
Ian Rogers700a4022014-05-19 16:49:03 -070068 std::unique_ptr<File> in(OS::OpenFileForReading(tmp.GetFilename().c_str()));
Ian Rogers8d3a1172013-06-04 01:13:28 -070069 EXPECT_TRUE(in.get() != NULL);
Brian Carlstromcd60ac72013-01-20 17:09:51 -080070 std::vector<uint8_t> actual(in->GetLength());
71 bool readSuccess = in->ReadFully(&actual[0], actual.size());
Ian Rogers8d3a1172013-06-04 01:13:28 -070072 EXPECT_TRUE(readSuccess);
Brian Carlstromcd60ac72013-01-20 17:09:51 -080073 CheckTestOutput(actual);
74}
75
Brian Carlstromc6dfdac2013-08-26 18:57:31 -070076TEST_F(OutputStreamTest, Buffered) {
77 ScratchFile tmp;
Ian Rogers700a4022014-05-19 16:49:03 -070078 std::unique_ptr<FileOutputStream> file_output_stream(new FileOutputStream(tmp.GetFile()));
Brian Carlstromc6dfdac2013-08-26 18:57:31 -070079 CHECK(file_output_stream.get() != NULL);
80 BufferedOutputStream buffered_output_stream(file_output_stream.release());
81 SetOutputStream(buffered_output_stream);
82 GenerateTestOutput();
Ian Rogers700a4022014-05-19 16:49:03 -070083 std::unique_ptr<File> in(OS::OpenFileForReading(tmp.GetFilename().c_str()));
Brian Carlstromc6dfdac2013-08-26 18:57:31 -070084 EXPECT_TRUE(in.get() != NULL);
85 std::vector<uint8_t> actual(in->GetLength());
86 bool readSuccess = in->ReadFully(&actual[0], actual.size());
87 EXPECT_TRUE(readSuccess);
88 CheckTestOutput(actual);
89}
90
Brian Carlstromcd60ac72013-01-20 17:09:51 -080091TEST_F(OutputStreamTest, Vector) {
92 std::vector<uint8_t> output;
Ian Rogers0279ebb2014-10-08 17:27:48 -070093 VectorOutputStream output_stream("test vector output", &output);
Brian Carlstromcd60ac72013-01-20 17:09:51 -080094 SetOutputStream(output_stream);
95 GenerateTestOutput();
96 CheckTestOutput(output);
97}
98
Mathieu Chartier02e25112013-08-14 16:14:24 -070099} // namespace art