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// 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/android/disambiguation_popup_helper.h"
#include <stddef.h>
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/platform/web_rect.h"
#include "third_party/blink/public/platform/web_vector.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/geometry/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 = gfx::ScaleToCeiledSize(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 = gfx::ScaleToCeiledSize(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 = gfx::ScaleToCeiledSize(zoom_rect.size(), scale);
EXPECT_TRUE(gfx::Rect(kScreenSize_).Contains(gfx::Rect(scaled_size)));
}
} // namespace content
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