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/*
* Copyright (C) 2019 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.
*/
#include <log/logprint.h>
#include <string>
#include <gtest/gtest.h>
#include <log/log_read.h>
using namespace std::string_literals;
size_t convertPrintable(char* p, const char* message, size_t messageLen);
TEST(liblog, convertPrintable_ascii) {
auto input = "easy string, output same";
auto output_size = convertPrintable(nullptr, input, strlen(input));
EXPECT_EQ(output_size, strlen(input));
char output[output_size + 1];
output_size = convertPrintable(output, input, strlen(input));
EXPECT_EQ(output_size, strlen(input));
EXPECT_STREQ(input, output);
}
TEST(liblog, convertPrintable_escapes) {
std::string input = "escape\x00\a\b\t\v\f\r\\"s;
// We want to test escaping of ASCII NUL at the end too.
auto input_size = input.size() + 1;
// Note that \t is not escaped.
std::string expected_output = "escape\\x00\\a\\b\t\\v\\f\\r\\\\\\x00"s;
auto expected_output_size = expected_output.size();
auto output_size = convertPrintable(nullptr, input.c_str(), input_size);
EXPECT_EQ(output_size, expected_output_size) << input_size;
char output[output_size + 1];
output_size = convertPrintable(output, input.c_str(), input_size);
EXPECT_EQ(output_size, expected_output_size);
EXPECT_STREQ(expected_output.c_str(), output);
}
TEST(liblog, convertPrintable_validutf8) {
setlocale(LC_ALL, "C.UTF-8");
auto input = u8"¢ह€𐍈";
auto output_size = convertPrintable(nullptr, input, strlen(input));
EXPECT_EQ(output_size, strlen(input));
char output[output_size + 1];
output_size = convertPrintable(output, input, strlen(input));
EXPECT_EQ(output_size, strlen(input));
EXPECT_STREQ(input, output);
}
TEST(liblog, convertPrintable_invalidutf8) {
auto input = "\x80\xC2\x01\xE0\xA4\x06\xE0\x06\xF0\x90\x8D\x06\xF0\x90\x06\xF0\x0E";
auto expected_output =
"\\x80\\xC2\\x01\\xE0\\xA4\\x06\\xE0\\x06\\xF0\\x90\\x8D\\x06\\xF0\\x90\\x06\\xF0\\x0E";
auto output_size = convertPrintable(nullptr, input, strlen(input));
EXPECT_EQ(output_size, strlen(expected_output));
char output[output_size + 1];
output_size = convertPrintable(output, input, strlen(input));
EXPECT_EQ(output_size, strlen(expected_output));
EXPECT_STREQ(expected_output, output);
}
TEST(liblog, convertPrintable_mixed) {
setlocale(LC_ALL, "C.UTF-8");
auto input =
u8"\x80\xC2¢ह€𐍈\x01\xE0\xA4\x06¢ह€𐍈\xE0\x06\a\b\xF0\x90¢ह€𐍈\x8D\x06\xF0\t\t\x90\x06\xF0\x0E";
auto expected_output =
u8"\\x80\\xC2¢ह€𐍈\\x01\\xE0\\xA4\\x06¢ह€𐍈\\xE0\\x06\\a\\b\\xF0\\x90¢ह€𐍈\\x8D\\x06\\xF0\t\t"
u8"\\x90\\x06\\xF0\\x0E";
auto output_size = convertPrintable(nullptr, input, strlen(input));
EXPECT_EQ(output_size, strlen(expected_output));
char output[output_size + 1];
output_size = convertPrintable(output, input, strlen(input));
EXPECT_EQ(output_size, strlen(expected_output));
EXPECT_STREQ(expected_output, output);
}
TEST(liblog, log_print_different_header_size) {
constexpr int32_t kPid = 123;
constexpr uint32_t kTid = 456;
constexpr uint32_t kSec = 1000;
constexpr uint32_t kNsec = 999;
constexpr uint32_t kLid = LOG_ID_MAIN;
constexpr uint32_t kUid = 987;
constexpr char kPriority = ANDROID_LOG_ERROR;
auto create_buf = [](char* buf, size_t len, uint16_t hdr_size) {
memset(buf, 0, len);
logger_entry* header = reinterpret_cast<logger_entry*>(buf);
header->hdr_size = hdr_size;
header->pid = kPid;
header->tid = kTid;
header->sec = kSec;
header->nsec = kNsec;
header->lid = kLid;
header->uid = kUid;
char* message = buf + header->hdr_size;
uint16_t message_len = 0;
message[message_len++] = kPriority;
message[message_len++] = 'T';
message[message_len++] = 'a';
message[message_len++] = 'g';
message[message_len++] = '\0';
message[message_len++] = 'm';
message[message_len++] = 's';
message[message_len++] = 'g';
message[message_len++] = '!';
message[message_len++] = '\0';
header->len = message_len;
};
auto check_entry = [&](const AndroidLogEntry& entry) {
EXPECT_EQ(kSec, static_cast<uint32_t>(entry.tv_sec));
EXPECT_EQ(kNsec, static_cast<uint32_t>(entry.tv_nsec));
EXPECT_EQ(kPriority, entry.priority);
EXPECT_EQ(kUid, static_cast<uint32_t>(entry.uid));
EXPECT_EQ(kPid, entry.pid);
EXPECT_EQ(kTid, static_cast<uint32_t>(entry.tid));
EXPECT_STREQ("Tag", entry.tag);
EXPECT_EQ(4U, entry.tagLen); // Apparently taglen includes the nullptr?
EXPECT_EQ(4U, entry.messageLen);
EXPECT_STREQ("msg!", entry.message);
};
alignas(logger_entry) char buf[LOGGER_ENTRY_MAX_LEN];
create_buf(buf, sizeof(buf), sizeof(logger_entry));
AndroidLogEntry entry_normal_size;
ASSERT_EQ(0,
android_log_processLogBuffer(reinterpret_cast<logger_entry*>(buf), &entry_normal_size));
check_entry(entry_normal_size);
create_buf(buf, sizeof(buf), sizeof(logger_entry) + 3);
AndroidLogEntry entry_odd_size;
ASSERT_EQ(0, android_log_processLogBuffer(reinterpret_cast<logger_entry*>(buf), &entry_odd_size));
check_entry(entry_odd_size);
}
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