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// Copyright (C) 2017 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#define DEBUG false
#include "Log.h"
#include <android-base/file.h>
#include <android/util/ProtoFileReader.h>
#include <android/util/ProtoOutputStream.h>
#include <android/util/protobuf.h>
#include <fcntl.h>
#include <gtest/gtest.h>
#include <signal.h>
#include <string.h>
#include "FdBuffer.h"
#include "incidentd_util.h"
using namespace android;
using namespace android::base;
using namespace android::os::incidentd;
using ::testing::Test;
const std::string kTestPath = GetExecutableDirectory();
const std::string kTestDataPath = kTestPath + "/testdata/";
status_t read(sp<ProtoFileReader> reader, size_t size) {
uint8_t const* buf;
while (size > 0 && (buf = reader->readBuffer()) != nullptr) {
size_t amt = reader->currentToRead();
if (size < amt) {
amt = size;
}
reader->move(amt);
size -= amt;
}
return NO_ERROR;
}
TEST(ProtoFileReaderTest, ParseOneLevel) {
const std::string testFile = kTestDataPath + "protoFile.txt";
size_t msg1Size = 10;
size_t msg2Size = 5 * 1024;
{
// Create a proto file
// TestProto {
// optional Section1 section1 = 1;
// optional Section2 section2 = 2;
// }
unique_fd fd(open(testFile.c_str(), O_WRONLY | O_CREAT | O_CLOEXEC, S_IRUSR | S_IWUSR));
ASSERT_NE(fd.get(), -1);
ProtoOutputStream proto;
string field1;
field1.resize(msg1Size, 'h');
string field2;
field2.resize(msg2Size, 'a');
proto.write(FIELD_TYPE_MESSAGE | 1, field1.data(), field1.length());
proto.write(FIELD_TYPE_MESSAGE | 2, field2.data(), field2.length());
proto.flush(fd);
}
int fd = open(testFile.c_str(), O_RDONLY | O_CLOEXEC);
ASSERT_NE(fd, -1);
status_t err;
sp<ProtoFileReader> reader = new ProtoFileReader(fd);
int i = 0;
size_t msg_size[2];
while (reader->hasNext()) {
uint64_t fieldTag = reader->readRawVarint();
uint32_t fieldId = read_field_id(fieldTag);
uint8_t wireType = read_wire_type(fieldTag);
ASSERT_EQ(WIRE_TYPE_LENGTH_DELIMITED, wireType);
size_t sectionSize = reader->readRawVarint();
if (i < 2) {
msg_size[i] = sectionSize;
}
err = read(reader, sectionSize);
ASSERT_EQ(NO_ERROR, err);
i++;
}
ASSERT_EQ(2, i);
ASSERT_EQ(msg1Size, msg_size[0]);
ASSERT_EQ(msg2Size, msg_size[1]);
close(fd);
}
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