diff options
Diffstat (limited to 'toolkit/crashreporter/breakpad-client/linux/minidump_writer/line_reader_unittest.cc')
-rw-r--r-- | toolkit/crashreporter/breakpad-client/linux/minidump_writer/line_reader_unittest.cc | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/toolkit/crashreporter/breakpad-client/linux/minidump_writer/line_reader_unittest.cc b/toolkit/crashreporter/breakpad-client/linux/minidump_writer/line_reader_unittest.cc new file mode 100644 index 0000000000..576b8b5cdb --- /dev/null +++ b/toolkit/crashreporter/breakpad-client/linux/minidump_writer/line_reader_unittest.cc @@ -0,0 +1,169 @@ +// 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 "linux/minidump_writer/line_reader.h" +#include "breakpad_googletest_includes.h" +#include "common/linux/tests/auto_testfile.h" + +using namespace google_breakpad; + +namespace { + +typedef testing::Test LineReaderTest; + +class ScopedTestFile : public AutoTestFile { +public: + explicit ScopedTestFile(const char* text) + : AutoTestFile("line_reader", text) { + } + + ScopedTestFile(const char* text, size_t text_len) + : AutoTestFile("line_reader", text, text_len) { + } +}; + +} + +TEST(LineReaderTest, EmptyFile) { + ScopedTestFile file(""); + ASSERT_TRUE(file.IsOk()); + LineReader reader(file.GetFd()); + + const char *line; + unsigned len; + ASSERT_FALSE(reader.GetNextLine(&line, &len)); +} + +TEST(LineReaderTest, OneLineTerminated) { + ScopedTestFile file("a\n"); + ASSERT_TRUE(file.IsOk()); + LineReader reader(file.GetFd()); + + const char *line; + unsigned int len; + ASSERT_TRUE(reader.GetNextLine(&line, &len)); + ASSERT_EQ((unsigned int)1, len); + ASSERT_EQ('a', line[0]); + ASSERT_EQ('\0', line[1]); + reader.PopLine(len); + + ASSERT_FALSE(reader.GetNextLine(&line, &len)); +} + +TEST(LineReaderTest, OneLine) { + ScopedTestFile file("a"); + ASSERT_TRUE(file.IsOk()); + LineReader reader(file.GetFd()); + + const char *line; + unsigned len; + ASSERT_TRUE(reader.GetNextLine(&line, &len)); + ASSERT_EQ((unsigned)1, len); + ASSERT_EQ('a', line[0]); + ASSERT_EQ('\0', line[1]); + reader.PopLine(len); + + ASSERT_FALSE(reader.GetNextLine(&line, &len)); +} + +TEST(LineReaderTest, TwoLinesTerminated) { + ScopedTestFile file("a\nb\n"); + ASSERT_TRUE(file.IsOk()); + LineReader reader(file.GetFd()); + + const char *line; + unsigned len; + ASSERT_TRUE(reader.GetNextLine(&line, &len)); + ASSERT_EQ((unsigned)1, len); + ASSERT_EQ('a', line[0]); + ASSERT_EQ('\0', line[1]); + reader.PopLine(len); + + ASSERT_TRUE(reader.GetNextLine(&line, &len)); + ASSERT_EQ((unsigned)1, len); + ASSERT_EQ('b', line[0]); + ASSERT_EQ('\0', line[1]); + reader.PopLine(len); + + ASSERT_FALSE(reader.GetNextLine(&line, &len)); +} + +TEST(LineReaderTest, TwoLines) { + ScopedTestFile file("a\nb"); + ASSERT_TRUE(file.IsOk()); + LineReader reader(file.GetFd()); + + const char *line; + unsigned len; + ASSERT_TRUE(reader.GetNextLine(&line, &len)); + ASSERT_EQ((unsigned)1, len); + ASSERT_EQ('a', line[0]); + ASSERT_EQ('\0', line[1]); + reader.PopLine(len); + + ASSERT_TRUE(reader.GetNextLine(&line, &len)); + ASSERT_EQ((unsigned)1, len); + ASSERT_EQ('b', line[0]); + ASSERT_EQ('\0', line[1]); + reader.PopLine(len); + + ASSERT_FALSE(reader.GetNextLine(&line, &len)); +} + +TEST(LineReaderTest, MaxLength) { + char l[LineReader::kMaxLineLen-1]; + memset(l, 'a', sizeof(l)); + ScopedTestFile file(l, sizeof(l)); + ASSERT_TRUE(file.IsOk()); + LineReader reader(file.GetFd()); + + const char *line; + unsigned len; + ASSERT_TRUE(reader.GetNextLine(&line, &len)); + ASSERT_EQ(sizeof(l), len); + ASSERT_TRUE(memcmp(l, line, sizeof(l)) == 0); + ASSERT_EQ('\0', line[len]); +} + +TEST(LineReaderTest, TooLong) { + // Note: this writes kMaxLineLen 'a' chars in the test file. + char l[LineReader::kMaxLineLen]; + memset(l, 'a', sizeof(l)); + ScopedTestFile file(l, sizeof(l)); + ASSERT_TRUE(file.IsOk()); + LineReader reader(file.GetFd()); + + const char *line; + unsigned len; + ASSERT_FALSE(reader.GetNextLine(&line, &len)); +} |