1 files changed, 54 insertions, 0 deletions
diff --git a/chromium/third_party/catapult/common/py_vulcanize/py_vulcanize/strip_js_comments_unittest.py b/chromium/third_party/catapult/common/py_vulcanize/py_vulcanize/strip_js_comments_unittest.py
new file mode 100644
index 00000000000..685cb824a24
--- /dev/null
+++ b/chromium/third_party/catapult/common/py_vulcanize/py_vulcanize/strip_js_comments_unittest.py
@@ -0,0 +1,54 @@
+#!/usr/bin/env python
+# Copyright (c) 2012 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+"""Tests for strip_js_comments module."""
+
+import unittest
+
+from py_vulcanize import strip_js_comments
+
+
+# This test case tests a protected method.
+# pylint: disable=W0212
+class JavaScriptStripCommentTests(unittest.TestCase):
+  """Test case for _strip_js_comments and _TokenizeJS."""
+
+  def test_strip_comments(self):
+    self.assertEquals(
+        'A ', strip_js_comments.StripJSComments('A // foo'))
+    self.assertEquals(
+        'A bar', strip_js_comments.StripJSComments('A // foo\nbar'))
+    self.assertEquals(
+        'A  b', strip_js_comments.StripJSComments('A /* foo */ b'))
+    self.assertEquals(
+        'A  b', strip_js_comments.StripJSComments('A /* foo\n */ b'))
+
+  def test_tokenize_empty(self):
+    tokens = list(strip_js_comments._TokenizeJS(''))
+    self.assertEquals([], tokens)
+
+  def test_tokenize_nl(self):
+    tokens = list(strip_js_comments._TokenizeJS('\n'))
+    self.assertEquals(['\n'], tokens)
+
+  def test_tokenize_slashslash_comment(self):
+    tokens = list(strip_js_comments._TokenizeJS('A // foo'))
+    self.assertEquals(['A ', '//', ' foo'], tokens)
+
+  def test_tokenize_slashslash_comment_then_newline(self):
+    tokens = list(strip_js_comments._TokenizeJS('A // foo\nbar'))
+    self.assertEquals(['A ', '//', ' foo', '\n', 'bar'], tokens)
+
+  def test_tokenize_cstyle_comment_one_line(self):
+    tokens = list(strip_js_comments._TokenizeJS('A /* foo */'))
+    self.assertEquals(['A ', '/*', ' foo ', '*/'], tokens)
+
+  def test_tokenize_cstyle_comment_multi_line(self):
+    tokens = list(strip_js_comments._TokenizeJS('A /* foo\n*bar\n*/'))
+    self.assertEquals(['A ', '/*', ' foo', '\n', '*bar', '\n', '*/'], tokens)
+
+
+if __name__ == '__main__':
+  unittest.main()