Issue 357: New Linux file_id code doesn't persist across strip. r=agl,nealsid at http://breakpad.appspot.com/49008

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@461 4c0a9323-5329-0410-9bdc-e9ce6186880e

1 files changed, 76 insertions, 0 deletions

diff --git a/src/common/linux/file_id_unittest.cc b/src/common/linux/file_id_unittest.cc
new file mode 100644
index 00000000..e15d39fb
--- /dev/null
+++ b/src/common/linux/file_id_unittest.cc
@@ -0,0 +1,76 @@
+// 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.
+
+// Unit tests for FileID
+
+#include <stdlib.h>
+
+#include "common/linux/file_id.h"
+#include "breakpad_googletest_includes.h"
+
+using namespace google_breakpad;
+
+
+namespace {
+typedef testing::Test FileIDTest;
+}
+
+TEST(FileIDTest, FileIDStrip) {
+  // Calculate the File ID of our binary using
+  // FileID::ElfFileIdentifier, then make a copy of our binary,
+  // strip it, and ensure that we still get the same result.
+  char exe_name[PATH_MAX];
+  ssize_t len = readlink("/proc/self/exe", exe_name, PATH_MAX - 1);
+  ASSERT_NE(len, -1);
+  exe_name[len] = '\0';
+
+  // copy our binary to a temp file, and strip it
+  char templ[] = "/tmp/file-id-unittest-XXXXXX";
+  mktemp(templ);
+  char cmdline[4096];
+  sprintf(cmdline, "cp \"%s\" \"%s\"", exe_name, templ);
+  ASSERT_EQ(system(cmdline), 0);
+  sprintf(cmdline, "strip \"%s\"", templ);
+  ASSERT_EQ(system(cmdline), 0);
+
+  uint8_t identifier1[sizeof(MDGUID)];
+  uint8_t identifier2[sizeof(MDGUID)];
+  FileID fileid1(exe_name);
+  EXPECT_TRUE(fileid1.ElfFileIdentifier(identifier1));
+  FileID fileid2(templ);
+  EXPECT_TRUE(fileid2.ElfFileIdentifier(identifier2));
+  char identifier_string1[37];
+  char identifier_string2[37];
+  FileID::ConvertIdentifierToString(identifier1, identifier_string1,
+                                    37);
+  FileID::ConvertIdentifierToString(identifier2, identifier_string2,
+                                    37);
+  EXPECT_STREQ(identifier_string1, identifier_string2);
+  unlink(templ);
+}