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));
+}