diff options
Diffstat (limited to 'liblog/tests/logprint_test.cpp')
| -rw-r--r-- | liblog/tests/logprint_test.cpp | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/liblog/tests/logprint_test.cpp b/liblog/tests/logprint_test.cpp new file mode 100644 index 000000000..72e53f9bd --- /dev/null +++ b/liblog/tests/logprint_test.cpp @@ -0,0 +1,153 @@ +/* + * 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> + +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]; + + output_size = convertPrintable(output, input, strlen(input)); + EXPECT_EQ(output_size, strlen(input)); + EXPECT_STREQ(input, output); +} + +TEST(liblog, convertPrintable_escapes) { + // Note that \t is not escaped. + auto input = "escape\a\b\t\v\f\r\\"; + auto expected_output = "escape\\a\\b\t\\v\\f\\r\\\\"; + auto output_size = convertPrintable(nullptr, input, strlen(input)); + EXPECT_EQ(output_size, strlen(expected_output)); + + char output[output_size]; + + output_size = convertPrintable(output, input, strlen(input)); + EXPECT_EQ(output_size, strlen(expected_output)); + EXPECT_STREQ(expected_output, output); +} + +TEST(liblog, convertPrintable_validutf8) { + auto input = u8"¢ह€𐍈"; + auto output_size = convertPrintable(nullptr, input, strlen(input)); + EXPECT_EQ(output_size, strlen(input)); + + char output[output_size]; + + 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]; + + output_size = convertPrintable(output, input, strlen(input)); + EXPECT_EQ(output_size, strlen(expected_output)); + EXPECT_STREQ(expected_output, output); +} + +TEST(liblog, convertPrintable_mixed) { + 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]; + + 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); +}
\ No newline at end of file |