1 files changed, 55 insertions, 0 deletions
diff --git a/third_party/python/gyp/test/win/win-tool/gyptest-win-tool-handles-readonly-files.py b/third_party/python/gyp/test/win/win-tool/gyptest-win-tool-handles-readonly-files.py
new file mode 100644
index 0000000000..951b952775
--- /dev/null
+++ b/third_party/python/gyp/test/win/win-tool/gyptest-win-tool-handles-readonly-files.py
@@ -0,0 +1,55 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2014 Google Inc. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+"""
+Make sure overwriting read-only files works as expected (via win-tool).
+"""
+
+import TestGyp
+
+import filecmp
+import os
+import stat
+import sys
+
+if sys.platform == 'win32':
+  test = TestGyp.TestGyp(formats=['ninja'])
+
+  # First, create the source files.
+  os.makedirs('subdir')
+  read_only_files = ['read-only-file', 'subdir/A', 'subdir/B', 'subdir/C']
+  for f in read_only_files:
+    test.write(f, 'source_contents')
+    test.chmod(f, stat.S_IREAD)
+    if os.access(f, os.W_OK):
+      test.fail_test()
+
+  # Second, create the read-only destination files. Note that we are creating
+  # them where the ninja and win-tool will try to copy them to, in order to test
+  # that copies overwrite the files.
+  os.makedirs(test.built_file_path('dest/subdir'))
+  for f in read_only_files:
+    f = os.path.join('dest', f)
+    test.write(test.built_file_path(f), 'SHOULD BE OVERWRITTEN')
+    test.chmod(test.built_file_path(f), stat.S_IREAD)
+    # Ensure not writable.
+    if os.access(test.built_file_path(f), os.W_OK):
+      test.fail_test()
+
+  test.run_gyp('copies_readonly_files.gyp')
+  test.build('copies_readonly_files.gyp')
+
+  # Check the destination files were overwritten by ninja.
+  for f in read_only_files:
+    f = os.path.join('dest', f)
+    test.must_contain(test.built_file_path(f), 'source_contents')
+
+  # This will fail if the files are not the same mode or contents.
+  for f in read_only_files:
+    if not filecmp.cmp(f, test.built_file_path(os.path.join('dest', f))):
+      test.fail_test()
+
+  test.pass_test()