Gradient overlay for constrained window

chrome/renderer/webview_animating_overlay_unittest.cc

+// 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 "chrome/renderer/webview_animating_overlay.h"
+
+#include "content/public/test/render_view_test.h"
+#include "skia/ext/platform_canvas.h"
+#include "webkit/glue/webkit_glue.h"
+
+typedef content::RenderViewTest WebViewAnimatingOverlayTest;
+
+TEST_F(WebViewAnimatingOverlayTest, ShowHide) {
+  WebViewAnimatingOverlay overlay(view_);
+  EXPECT_EQ(overlay.state(), WebViewAnimatingOverlay::HIDDEN);
+  overlay.Show();
+  EXPECT_EQ(overlay.state(), WebViewAnimatingOverlay::ANIMATING_IN);
+  overlay.Hide();
+  EXPECT_EQ(overlay.state(), WebViewAnimatingOverlay::ANIMATING_OUT);
+}
+
+TEST_F(WebViewAnimatingOverlayTest, Paint) {
+  gfx::Size view_size(100, 100);
+  Resize(view_size, gfx::Rect(), false);
+
+  WebViewAnimatingOverlay overlay(view_);
+  overlay.Show();
+
+  skia::PlatformCanvas canvas;
+  ASSERT_TRUE(canvas.initialize(view_size.width(), view_size.height(), true));
+  overlay.paintPageOverlay(webkit_glue::ToWebCanvas(&canvas));
+}

[Nico, 2012/08/14 21:14:12]

If it's not too difficult, a test that starts the animation twice in various
states and then checks that only one overlay is on the renderer would be good

[sail, 2012/08/15 05:26:20]

Eek. This will require a WebKit patch. If you still want me to do this would it
be ok to it as a separate two part CL?