Some Chrome Frame cleanup:...

chrome_frame/test/html_util_unittests.cc

 // Copyright (c) 2006-2009 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.
 
 #include <windows.h>
 #include <atlsecurity.h>
 #include <shellapi.h>
 
 #include "base/basictypes.h"
 #include "base/file_util.h"
@@ skipping 291 matching lines @@
 }
 
 TEST_F(HtmlUtilUnittest, GetChromeFrameUserAgent) {
   const char* call1 = http_utils::GetChromeFrameUserAgent();
   const char* call2 = http_utils::GetChromeFrameUserAgent();
   // Expect static buffer since caller does no cleanup.
   EXPECT_EQ(call1, call2);
   std::string ua(call1);
   EXPECT_EQ("chromeframe/0.0", ua);
 }
+
+TEST(HttpUtils, HasFrameBustingHeader) {
+  // Simple negative cases.
+  EXPECT_FALSE(http_utils::HasFrameBustingHeader(""));
+  EXPECT_FALSE(http_utils::HasFrameBustingHeader("Content-Type: text/plain"));
+  // Explicit negative cases, test that we ignore case.
+  EXPECT_FALSE(http_utils::HasFrameBustingHeader("X-Frame-Options: ALLOWALL"));
+  EXPECT_FALSE(http_utils::HasFrameBustingHeader("X-Frame-Options: allowall"));
+  EXPECT_FALSE(http_utils::HasFrameBustingHeader("X-Frame-Options: ALLowalL"));
+  // Added space, ensure stripped out
+  EXPECT_FALSE(http_utils::HasFrameBustingHeader(
+    "X-Frame-Options: ALLOWALL "));
+  // Added space with linefeed, ensure still stripped out
+  EXPECT_FALSE(http_utils::HasFrameBustingHeader(
+    "X-Frame-Options: ALLOWALL \r\n"));
+  // Multiple identical headers, all of them allowing framing.
+  EXPECT_FALSE(http_utils::HasFrameBustingHeader(
+    "X-Frame-Options: ALLOWALL\r\n"
+    "X-Frame-Options: ALLOWALL\r\n"
+    "X-Frame-Options: ALLOWALL"));
+  // Interleave with other headers.
+  EXPECT_FALSE(http_utils::HasFrameBustingHeader(
+    "Content-Type: text/plain\r\n"
+    "X-Frame-Options: ALLOWALL\r\n"
+    "Content-Length: 42"));
+
+  // Simple positive cases.
+  EXPECT_TRUE(http_utils::HasFrameBustingHeader("X-Frame-Options: deny"));
+  EXPECT_TRUE(http_utils::HasFrameBustingHeader(
+    "X-Frame-Options: SAMEorigin"));
+
+  // Allowall entries do not override the denying entries, are
+  // order-independent, and the deny entries can interleave with
+  // other headers.
+  EXPECT_TRUE(http_utils::HasFrameBustingHeader(
+    "Content-Length: 42\r\n"
+    "X-Frame-Options: ALLOWall\r\n"
+    "X-Frame-Options: deny\r\n"));
+  EXPECT_TRUE(http_utils::HasFrameBustingHeader(
+    "X-Frame-Options: ALLOWall\r\n"
+    "Content-Length: 42\r\n"
+    "X-Frame-Options: SAMEORIGIN\r\n"));
+  EXPECT_TRUE(http_utils::HasFrameBustingHeader(
+    "X-Frame-Options: deny\r\n"
+    "X-Frame-Options: ALLOWall\r\n"
+    "Content-Length: 42\r\n"));
+  EXPECT_TRUE(http_utils::HasFrameBustingHeader(
+    "X-Frame-Options: SAMEORIGIN\r\n"
+    "X-Frame-Options: ALLOWall\r\n"));
+}
+
+