[Mac] Pressing unsupported key should not generate keyevents

content/browser/renderer_host/render_widget_host_view_mac_unittest.mm

 // 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.
 
 #include "content/browser/renderer_host/render_widget_host_view_mac.h"
 
 #include <Cocoa/Cocoa.h>
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 400 matching lines @@
   [view->cocoa_view() keyEvent:
       cocoa_test_event_utils::KeyEventWithKeyCode(
           0x58, 'x', NSKeyDown, NSControlKeyMask)];
   EXPECT_EQ(2U, process_host->sink().message_count());
   EXPECT_EQ("RawKeyDown Char", GetInputMessageTypes(process_host));
 
   // Clean up.
   host->ShutdownAndDestroyWidget(true);
 }
 
+// Test that invalid |keyCode| shouldn't generate key events.
+// https://crbug.com/601964
+TEST_F(RenderWidgetHostViewMacTest, InvalidKeyCode) {
+  TestBrowserContext browser_context;
+  MockRenderProcessHost* process_host =
+      new MockRenderProcessHost(&browser_context);
+  process_host->Init();
+  MockRenderWidgetHostDelegate delegate;
+  int32_t routing_id = process_host->GetNextRoutingID();
+  MockRenderWidgetHostImpl* host =
+      new MockRenderWidgetHostImpl(&delegate, process_host, routing_id);
+  RenderWidgetHostViewMac* view = new RenderWidgetHostViewMac(host, false);
+
+  // Simulate "Convert" key on JIS PC keyboard, will generate a |NSFlagsChanged|
+  // NSEvent with |keyCode| == 0xFF.
+  process_host->sink().ClearMessages();
+  EXPECT_EQ(0U, process_host->sink().message_count());
+  [view->cocoa_view() keyEvent:cocoa_test_event_utils::KeyEventWithKeyCode(
+                                   0xFF, 0, NSFlagsChanged, 0)];
+  EXPECT_EQ(0U, process_host->sink().message_count());
+
+  // Clean up.
+  host->ShutdownAndDestroyWidget(true);
+}
+
 TEST_F(RenderWidgetHostViewMacTest, GetFirstRectForCharacterRangeCaretCase) {
   const base::string16 kDummyString = base::UTF8ToUTF16("hogehoge");
   const size_t kDummyOffset = 0;
 
   gfx::Rect caret_rect(10, 11, 0, 10);
   gfx::Range caret_range(0, 0);
   ViewHostMsg_SelectionBounds_Params params;
 
   NSRect rect;
   NSRange actual_range;
@@ skipping 795 matching lines @@
     EXPECT_EQ(1U, process_host_->sink().message_count());
     process_host_->sink().ClearMessages();
   }
 
   // Clean up.
   host->ShutdownAndDestroyWidget(true);
 }
 
 
 }  // namespace content