| // Copyright (c) 2009, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include <sys/types.h> |
| |
| #include "client/linux/minidump_writer/line_reader.h" |
| #include "breakpad_googletest_includes.h" |
| |
| using namespace google_breakpad; |
| |
| #if !defined(__ANDROID__) |
| #define TEMPDIR "/tmp" |
| #else |
| #define TEMPDIR "/data/local/tmp" |
| #endif |
| |
| static int TemporaryFile() { |
| static const char templ[] = TEMPDIR "/line-reader-unittest-XXXXXX"; |
| char templ_copy[sizeof(templ)]; |
| memcpy(templ_copy, templ, sizeof(templ)); |
| const int fd = mkstemp(templ_copy); |
| if (fd >= 0) |
| unlink(templ_copy); |
| |
| return fd; |
| } |
| |
| namespace { |
| typedef testing::Test LineReaderTest; |
| } |
| |
| TEST(LineReaderTest, EmptyFile) { |
| const int fd = TemporaryFile(); |
| LineReader reader(fd); |
| |
| const char *line; |
| unsigned len; |
| ASSERT_FALSE(reader.GetNextLine(&line, &len)); |
| |
| close(fd); |
| } |
| |
| TEST(LineReaderTest, OneLineTerminated) { |
| const int fd = TemporaryFile(); |
| write(fd, "a\n", 2); |
| lseek(fd, 0, SEEK_SET); |
| LineReader reader(fd); |
| |
| const char *line; |
| unsigned int len; |
| ASSERT_TRUE(reader.GetNextLine(&line, &len)); |
| ASSERT_EQ(len, (unsigned int)1); |
| ASSERT_EQ(line[0], 'a'); |
| ASSERT_EQ(line[1], 0); |
| reader.PopLine(len); |
| |
| ASSERT_FALSE(reader.GetNextLine(&line, &len)); |
| |
| close(fd); |
| } |
| |
| TEST(LineReaderTest, OneLine) { |
| const int fd = TemporaryFile(); |
| write(fd, "a", 1); |
| lseek(fd, 0, SEEK_SET); |
| LineReader reader(fd); |
| |
| const char *line; |
| unsigned len; |
| ASSERT_TRUE(reader.GetNextLine(&line, &len)); |
| ASSERT_EQ(len, (unsigned)1); |
| ASSERT_EQ(line[0], 'a'); |
| ASSERT_EQ(line[1], 0); |
| reader.PopLine(len); |
| |
| ASSERT_FALSE(reader.GetNextLine(&line, &len)); |
| |
| close(fd); |
| } |
| |
| TEST(LineReaderTest, TwoLinesTerminated) { |
| const int fd = TemporaryFile(); |
| write(fd, "a\nb\n", 4); |
| lseek(fd, 0, SEEK_SET); |
| LineReader reader(fd); |
| |
| const char *line; |
| unsigned len; |
| ASSERT_TRUE(reader.GetNextLine(&line, &len)); |
| ASSERT_EQ(len, (unsigned)1); |
| ASSERT_EQ(line[0], 'a'); |
| ASSERT_EQ(line[1], 0); |
| reader.PopLine(len); |
| |
| ASSERT_TRUE(reader.GetNextLine(&line, &len)); |
| ASSERT_EQ(len, (unsigned)1); |
| ASSERT_EQ(line[0], 'b'); |
| ASSERT_EQ(line[1], 0); |
| reader.PopLine(len); |
| |
| ASSERT_FALSE(reader.GetNextLine(&line, &len)); |
| |
| close(fd); |
| } |
| |
| TEST(LineReaderTest, TwoLines) { |
| const int fd = TemporaryFile(); |
| write(fd, "a\nb", 3); |
| lseek(fd, 0, SEEK_SET); |
| LineReader reader(fd); |
| |
| const char *line; |
| unsigned len; |
| ASSERT_TRUE(reader.GetNextLine(&line, &len)); |
| ASSERT_EQ(len, (unsigned)1); |
| ASSERT_EQ(line[0], 'a'); |
| ASSERT_EQ(line[1], 0); |
| reader.PopLine(len); |
| |
| ASSERT_TRUE(reader.GetNextLine(&line, &len)); |
| ASSERT_EQ(len, (unsigned)1); |
| ASSERT_EQ(line[0], 'b'); |
| ASSERT_EQ(line[1], 0); |
| reader.PopLine(len); |
| |
| ASSERT_FALSE(reader.GetNextLine(&line, &len)); |
| |
| close(fd); |
| } |
| |
| TEST(LineReaderTest, MaxLength) { |
| const int fd = TemporaryFile(); |
| char l[LineReader::kMaxLineLen - 1]; |
| memset(l, 'a', sizeof(l)); |
| write(fd, l, sizeof(l)); |
| lseek(fd, 0, SEEK_SET); |
| LineReader reader(fd); |
| |
| const char *line; |
| unsigned len; |
| ASSERT_TRUE(reader.GetNextLine(&line, &len)); |
| ASSERT_EQ(len, sizeof(l)); |
| ASSERT_TRUE(memcmp(l, line, sizeof(l)) == 0); |
| ASSERT_EQ(line[len], 0); |
| |
| close(fd); |
| } |
| |
| TEST(LineReaderTest, TooLong) { |
| const int fd = TemporaryFile(); |
| char l[LineReader::kMaxLineLen]; |
| memset(l, 'a', sizeof(l)); |
| write(fd, l, sizeof(l)); |
| lseek(fd, 0, SEEK_SET); |
| LineReader reader(fd); |
| |
| const char *line; |
| unsigned len; |
| ASSERT_FALSE(reader.GetNextLine(&line, &len)); |
| |
| close(fd); |
| } |