1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "content/renderer/disambiguation_popup_helper.h" 6 7 #include "testing/gtest/include/gtest/gtest.h" 8 #include "third_party/WebKit/public/platform/WebRect.h" 9 #include "third_party/WebKit/public/platform/WebVector.h" 10 #include "ui/gfx/rect.h" 11 #include "ui/gfx/size.h" 12 #include "ui/gfx/size_conversions.h" 13 14 // these constants are copied from the implementation class 15 namespace { 16 const float kDisambiguationPopupMaxScale = 5.0; 17 const float kDisambiguationPopupMinScale = 2.0; 18 } // unnamed namespace 19 20 namespace content { 21 22 class DisambiguationPopupHelperUnittest : public testing::Test { 23 public: 24 DisambiguationPopupHelperUnittest() 25 : kScreenSize_(640, 480) 26 , kVisibleContentSize_(640, 480) 27 , kImplScale_(1) { } 28 protected: 29 const gfx::Size kScreenSize_; 30 const gfx::Size kVisibleContentSize_; 31 const float kImplScale_; 32 }; 33 34 TEST_F(DisambiguationPopupHelperUnittest, ClipByViewport) { 35 gfx::Rect tap_rect(1000, 1000, 10, 10); 36 blink::WebVector<blink::WebRect> target_rects(static_cast<size_t>(1)); 37 target_rects[0] = gfx::Rect(-20, -20, 10, 10); 38 39 gfx::Rect zoom_rect; 40 float scale = DisambiguationPopupHelper::ComputeZoomAreaAndScaleFactor( 41 tap_rect, target_rects, kScreenSize_, kVisibleContentSize_, kImplScale_, 42 &zoom_rect); 43 44 EXPECT_TRUE(gfx::Rect(kVisibleContentSize_).Contains(zoom_rect)); 45 EXPECT_LE(kDisambiguationPopupMinScale, scale); 46 47 gfx::Size scaled_size = ToCeiledSize(ScaleSize(zoom_rect.size(), scale)); 48 EXPECT_TRUE(gfx::Rect(kScreenSize_).Contains(gfx::Rect(scaled_size))); 49 } 50 51 TEST_F(DisambiguationPopupHelperUnittest, MiniTarget) { 52 gfx::Rect tap_rect(-5, -5, 20, 20); 53 blink::WebVector<blink::WebRect> target_rects(static_cast<size_t>(1)); 54 target_rects[0] = gfx::Rect(10, 10, 1, 1); 55 56 gfx::Rect zoom_rect; 57 float scale = DisambiguationPopupHelper::ComputeZoomAreaAndScaleFactor( 58 tap_rect, target_rects, kScreenSize_, kVisibleContentSize_, kImplScale_, 59 &zoom_rect); 60 61 EXPECT_TRUE(gfx::Rect(kVisibleContentSize_).Contains(zoom_rect)); 62 EXPECT_EQ(kDisambiguationPopupMaxScale, scale); 63 EXPECT_TRUE(zoom_rect.Contains(target_rects[0])); 64 65 gfx::Size scaled_size = ToCeiledSize(ScaleSize(zoom_rect.size(), scale)); 66 EXPECT_TRUE(gfx::Rect(kScreenSize_).Contains(gfx::Rect(scaled_size))); 67 } 68 69 TEST_F(DisambiguationPopupHelperUnittest, LongLinks) { 70 gfx::Rect tap_rect(10, 10, 20, 20); 71 blink::WebVector<blink::WebRect> target_rects(static_cast<size_t>(2)); 72 target_rects[0] = gfx::Rect(15, 15, 1000, 5); 73 target_rects[1] = gfx::Rect(15, 25, 1000, 5); 74 75 gfx::Rect zoom_rect; 76 float scale = DisambiguationPopupHelper::ComputeZoomAreaAndScaleFactor( 77 tap_rect, target_rects, kScreenSize_, kVisibleContentSize_, kImplScale_, 78 &zoom_rect); 79 80 EXPECT_TRUE(gfx::Rect(kVisibleContentSize_).Contains(zoom_rect)); 81 EXPECT_EQ(kDisambiguationPopupMaxScale, scale); 82 EXPECT_TRUE(zoom_rect.Contains(tap_rect)); 83 84 gfx::Size scaled_size = ToCeiledSize(ScaleSize(zoom_rect.size(), scale)); 85 EXPECT_TRUE(gfx::Rect(kScreenSize_).Contains(gfx::Rect(scaled_size))); 86 } 87 88 } // namespace content 89
