Scroll text field when selecting text

Source/web/tests/WebFrameTest.cpp

 /*
  * Copyright (C) 2010 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
@@ skipping 4152 matching lines @@
     EXPECT_EQ("This text is initially selected.", selectionAsString(frame));
 
     // Reset with swapped base and extent.
     frame->selectRange(topLeft(endWebRect), bottomRightMinusOne(startWebRect));
     EXPECT_EQ("This text is initially selected.", selectionAsString(frame));
 
     frame->moveRangeSelectionExtent(bottomRightMinusOne(endWebRect));
     EXPECT_EQ("This text is initially selected.", selectionAsString(frame));
 }
 
+TEST_F(WebFrameTest, MoveRangeSelectionExtentScollsInputField)
+{
+    WebLocalFrameImpl* frame;
+    WebRect startWebRect;
+    WebRect endWebRect;
+
+    registerMockedHttpURLLoad("move_range_selection_extent_input_field.html");
+
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    initializeTextSelectionWebView(m_baseURL + "move_range_selection_extent_input_field.html", &webViewHelper);
+    frame = toWebLocalFrameImpl(webViewHelper.webView()->mainFrame());
+    EXPECT_EQ("Length", selectionAsString(frame));
+    webViewHelper.webView()->selectionBounds(startWebRect, endWebRect);
+
+    EXPECT_EQ(0, frame->frame()->selection().rootEditableElement()->scrollLeft());
+    frame->moveRangeSelectionExtent(WebPoint(endWebRect.x + 500, endWebRect.y));
+    EXPECT_GE(frame->frame()->selection().rootEditableElement()->scrollLeft(), 1);
+    EXPECT_EQ("Lengthy text goes here.", selectionAsString(frame));
+}
+
 static int computeOffset(RenderObject* renderer, int x, int y)
 {
     return VisiblePosition(renderer->positionForPoint(LayoutPoint(x, y))).deepEquivalent().computeOffsetInContainerNode();
 }
 
 // positionForPoint returns the wrong values for contenteditable spans. See
 // http://crbug.com/238334.
 TEST_F(WebFrameTest, DISABLED_PositionForPointTest)
 {
     registerMockedHttpURLLoad("select_range_span_editable.html");
@@ skipping 2781 matching lines @@
     EXPECT_EQ(1u, frameClient.navigationalDataReceivedCount());
 
     // Neither should a page reload.
     localFrame->reload();
     EXPECT_EQ(4u, frameClient.provisionalLoadCount());
     EXPECT_FALSE(frameClient.wasLastProvisionalLoadATransition());
     EXPECT_EQ(1u, frameClient.navigationalDataReceivedCount());
 }
 
 } // namespace