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// Copyright 2014 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 "ui/base/touch/selection_bound.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/geometry/rect.h"
namespace ui {
TEST(SelectionBoundTest, RectBetweenSelectionBounds) {
SelectionBound b1, b2;
// Simple case of aligned vertical bounds of equal height
b1.SetEdge(gfx::Point(0, 20), gfx::Point(0, 25));
b2.SetEdge(gfx::Point(110, 20), gfx::Point(110, 25));
gfx::Rect expected_rect(
b1.edge_top_rounded().x(),
b1.edge_top_rounded().y(),
b2.edge_top_rounded().x() - b1.edge_top_rounded().x(),
b2.edge_bottom_rounded().y() - b2.edge_top_rounded().y());
EXPECT_EQ(expected_rect, RectBetweenSelectionBounds(b1, b2));
EXPECT_EQ(expected_rect, RectBetweenSelectionBounds(b2, b1));
// Parallel vertical bounds of different heights
b1.SetEdge(gfx::Point(10, 20), gfx::Point(10, 25));
b2.SetEdge(gfx::Point(110, 0), gfx::Point(110, 35));
expected_rect = gfx::Rect(
b1.edge_top_rounded().x(),
b2.edge_top_rounded().y(),
b2.edge_top_rounded().x() - b1.edge_top_rounded().x(),
b2.edge_bottom_rounded().y() - b2.edge_top_rounded().y());
EXPECT_EQ(expected_rect, RectBetweenSelectionBounds(b1, b2));
EXPECT_EQ(expected_rect, RectBetweenSelectionBounds(b2, b1));
b1.SetEdge(gfx::Point(10, 20), gfx::Point(10, 30));
b2.SetEdge(gfx::Point(110, 25), gfx::Point(110, 45));
expected_rect = gfx::Rect(
b1.edge_top_rounded().x(),
b1.edge_top_rounded().y(),
b2.edge_top_rounded().x() - b1.edge_top_rounded().x(),
b2.edge_bottom_rounded().y() - b1.edge_top_rounded().y());
EXPECT_EQ(expected_rect, RectBetweenSelectionBounds(b1, b2));
EXPECT_EQ(expected_rect, RectBetweenSelectionBounds(b2, b1));
b1.SetEdge(gfx::Point(10, 20), gfx::Point(10, 30));
b2.SetEdge(gfx::Point(110, 40), gfx::Point(110, 60));
expected_rect = gfx::Rect(
b1.edge_top_rounded().x(),
b1.edge_top_rounded().y(),
b2.edge_top_rounded().x() - b1.edge_top_rounded().x(),
b2.edge_bottom_rounded().y() - b1.edge_top_rounded().y());
EXPECT_EQ(expected_rect, RectBetweenSelectionBounds(b1, b2));
EXPECT_EQ(expected_rect, RectBetweenSelectionBounds(b2, b1));
// Overlapping vertical bounds
b1.SetEdge(gfx::Point(10, 20), gfx::Point(10, 30));
b2.SetEdge(gfx::Point(10, 25), gfx::Point(10, 40));
expected_rect = gfx::Rect(
b1.edge_top_rounded().x(),
b1.edge_top_rounded().y(),
0,
b2.edge_bottom_rounded().y() - b1.edge_top_rounded().y());
EXPECT_EQ(expected_rect, RectBetweenSelectionBounds(b1, b2));
EXPECT_EQ(expected_rect, RectBetweenSelectionBounds(b2, b1));
// Non-vertical bounds: "\ \"
b1.SetEdge(gfx::Point(10, 20), gfx::Point(20, 30));
b2.SetEdge(gfx::Point(110, 40), gfx::Point(120, 60));
expected_rect = gfx::Rect(
b1.edge_top_rounded().x(),
b1.edge_top_rounded().y(),
b2.edge_bottom_rounded().x() - b1.edge_top_rounded().x(),
b2.edge_bottom_rounded().y() - b1.edge_top_rounded().y());
EXPECT_EQ(expected_rect, RectBetweenSelectionBounds(b1, b2));
EXPECT_EQ(expected_rect, RectBetweenSelectionBounds(b2, b1));
// Non-vertical bounds: "/ \"
b1.SetEdge(gfx::Point(20, 30), gfx::Point(0, 40));
b2.SetEdge(gfx::Point(110, 30), gfx::Point(120, 40));
expected_rect = gfx::Rect(
b1.edge_bottom_rounded().x(),
b1.edge_top_rounded().y(),
b2.edge_bottom_rounded().x() - b1.edge_bottom_rounded().x(),
b2.edge_bottom_rounded().y() - b2.edge_top_rounded().y());
EXPECT_EQ(expected_rect, RectBetweenSelectionBounds(b1, b2));
EXPECT_EQ(expected_rect, RectBetweenSelectionBounds(b2, b1));
}
} // namespace ui
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