| // 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/renderer/disambiguation_popup_helper.h" |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/WebKit/public/platform/WebRect.h" |
| #include "third_party/WebKit/public/platform/WebVector.h" |
| #include "ui/gfx/rect.h" |
| #include "ui/gfx/size.h" |
| #include "ui/gfx/size_conversions.h" |
| |
| // these constants are copied from the implementation class |
| namespace { |
| const float kDisambiguationPopupMaxScale = 5.0; |
| const float kDisambiguationPopupMinScale = 2.0; |
| } // unnamed namespace |
| |
| namespace content { |
| |
| class DisambiguationPopupHelperUnittest : public testing::Test { |
| public: |
| DisambiguationPopupHelperUnittest() |
| : kScreenSize_(640, 480) |
| , kVisibleContentSize_(640, 480) |
| , kImplScale_(1) { } |
| protected: |
| const gfx::Size kScreenSize_; |
| const gfx::Size kVisibleContentSize_; |
| const float kImplScale_; |
| }; |
| |
| TEST_F(DisambiguationPopupHelperUnittest, ClipByViewport) { |
| gfx::Rect tap_rect(1000, 1000, 10, 10); |
| blink::WebVector<blink::WebRect> target_rects(static_cast<size_t>(1)); |
| target_rects[0] = gfx::Rect(-20, -20, 10, 10); |
| |
| gfx::Rect zoom_rect; |
| float scale = DisambiguationPopupHelper::ComputeZoomAreaAndScaleFactor( |
| tap_rect, target_rects, kScreenSize_, kVisibleContentSize_, kImplScale_, |
| &zoom_rect); |
| |
| EXPECT_TRUE(gfx::Rect(kVisibleContentSize_).Contains(zoom_rect)); |
| EXPECT_LE(kDisambiguationPopupMinScale, scale); |
| |
| gfx::Size scaled_size = ToCeiledSize(ScaleSize(zoom_rect.size(), scale)); |
| EXPECT_TRUE(gfx::Rect(kScreenSize_).Contains(gfx::Rect(scaled_size))); |
| } |
| |
| TEST_F(DisambiguationPopupHelperUnittest, MiniTarget) { |
| gfx::Rect tap_rect(-5, -5, 20, 20); |
| blink::WebVector<blink::WebRect> target_rects(static_cast<size_t>(1)); |
| target_rects[0] = gfx::Rect(10, 10, 1, 1); |
| |
| gfx::Rect zoom_rect; |
| float scale = DisambiguationPopupHelper::ComputeZoomAreaAndScaleFactor( |
| tap_rect, target_rects, kScreenSize_, kVisibleContentSize_, kImplScale_, |
| &zoom_rect); |
| |
| EXPECT_TRUE(gfx::Rect(kVisibleContentSize_).Contains(zoom_rect)); |
| EXPECT_EQ(kDisambiguationPopupMaxScale, scale); |
| EXPECT_TRUE(zoom_rect.Contains(target_rects[0])); |
| |
| gfx::Size scaled_size = ToCeiledSize(ScaleSize(zoom_rect.size(), scale)); |
| EXPECT_TRUE(gfx::Rect(kScreenSize_).Contains(gfx::Rect(scaled_size))); |
| } |
| |
| TEST_F(DisambiguationPopupHelperUnittest, LongLinks) { |
| gfx::Rect tap_rect(10, 10, 20, 20); |
| blink::WebVector<blink::WebRect> target_rects(static_cast<size_t>(2)); |
| target_rects[0] = gfx::Rect(15, 15, 1000, 5); |
| target_rects[1] = gfx::Rect(15, 25, 1000, 5); |
| |
| gfx::Rect zoom_rect; |
| float scale = DisambiguationPopupHelper::ComputeZoomAreaAndScaleFactor( |
| tap_rect, target_rects, kScreenSize_, kVisibleContentSize_, kImplScale_, |
| &zoom_rect); |
| |
| EXPECT_TRUE(gfx::Rect(kVisibleContentSize_).Contains(zoom_rect)); |
| EXPECT_EQ(kDisambiguationPopupMaxScale, scale); |
| EXPECT_TRUE(zoom_rect.Contains(tap_rect)); |
| |
| gfx::Size scaled_size = ToCeiledSize(ScaleSize(zoom_rect.size(), scale)); |
| EXPECT_TRUE(gfx::Rect(kScreenSize_).Contains(gfx::Rect(scaled_size))); |
| } |
| |
| } // namespace content |