1/* 2 * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above 9 * copyright notice, this list of conditions and the following 10 * disclaimer. 11 * 2. Redistributions in binary form must reproduce the above 12 * copyright notice, this list of conditions and the following 13 * disclaimer in the documentation and/or other materials 14 * provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 19 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 20 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 21 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 23 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 25 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 27 * OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30#include "config.h" 31 32#include "core/rendering/shapes/BoxShape.h" 33 34#include "platform/geometry/RoundedRect.h" 35 36#include <gtest/gtest.h> 37 38namespace blink { 39 40class BoxShapeTest : public ::testing::Test { 41protected: 42 BoxShapeTest() { } 43 44 PassOwnPtr<Shape> createBoxShape(const RoundedRect& bounds, float shapeMargin) 45 { 46 return Shape::createLayoutBoxShape(bounds, TopToBottomWritingMode, shapeMargin); 47 } 48}; 49 50} // namespace blink 51 52namespace { 53 54using namespace blink; 55 56#define TEST_EXCLUDED_INTERVAL(shapePtr, lineTop, lineHeight, expectedLeft, expectedRight) \ 57{ \ 58 LineSegment segment = shapePtr->getExcludedInterval(lineTop, lineHeight); \ 59 EXPECT_TRUE(segment.isValid); \ 60 if (segment.isValid) { \ 61 EXPECT_FLOAT_EQ(expectedLeft, segment.logicalLeft); \ 62 EXPECT_FLOAT_EQ(expectedRight, segment.logicalRight); \ 63 } \ 64} 65 66#define TEST_NO_EXCLUDED_INTERVAL(shapePtr, lineTop, lineHeight) \ 67{ \ 68 LineSegment segment = shapePtr->getExcludedInterval(lineTop, lineHeight); \ 69 EXPECT_FALSE(segment.isValid); \ 70} 71 72/* The BoxShape is based on a 100x50 rectangle at 0,0. The shape-margin value is 10, 73 * so the shapeMarginBoundingBox rectangle is 120x70 at -10,-10: 74 * 75 * -10,-10 110,-10 76 * +--------+ 77 * | | 78 * +--------+ 79 * -10,60 60,60 80 */ 81TEST_F(BoxShapeTest, zeroRadii) 82{ 83 OwnPtr<Shape> shape = createBoxShape(RoundedRect(0, 0, 100, 50), 10); 84 EXPECT_FALSE(shape->isEmpty()); 85 86 EXPECT_EQ(LayoutRect(-10, -10, 120, 70), shape->shapeMarginLogicalBoundingBox()); 87 88 // A BoxShape's bounds include the top edge but not the bottom edge. 89 // Similarly a "line", specified as top,height to the overlap methods, 90 // is defined as top <= y < top + height. 91 92 EXPECT_TRUE(shape->lineOverlapsShapeMarginBounds(-9, 1)); 93 EXPECT_TRUE(shape->lineOverlapsShapeMarginBounds(-10, 0)); 94 EXPECT_TRUE(shape->lineOverlapsShapeMarginBounds(-10, 200)); 95 EXPECT_TRUE(shape->lineOverlapsShapeMarginBounds(5, 10)); 96 EXPECT_TRUE(shape->lineOverlapsShapeMarginBounds(59, 1)); 97 98 EXPECT_FALSE(shape->lineOverlapsShapeMarginBounds(-12, 2)); 99 EXPECT_FALSE(shape->lineOverlapsShapeMarginBounds(60, 1)); 100 EXPECT_FALSE(shape->lineOverlapsShapeMarginBounds(100, 200)); 101 102 TEST_EXCLUDED_INTERVAL(shape, -9, 1, -10, 110); 103 TEST_EXCLUDED_INTERVAL(shape, -10, 0, -10, 110); 104 TEST_EXCLUDED_INTERVAL(shape, -10, 200, -10, 110); 105 TEST_EXCLUDED_INTERVAL(shape, 5, 10, -10, 110); 106 TEST_EXCLUDED_INTERVAL(shape, 59, 1, -10, 110); 107 108 TEST_NO_EXCLUDED_INTERVAL(shape, -12, 2); 109 TEST_NO_EXCLUDED_INTERVAL(shape, 60, 1); 110 TEST_NO_EXCLUDED_INTERVAL(shape, 100, 200); 111} 112 113/* BoxShape geometry for this test. Corner radii are in parens, x and y intercepts 114 * for the elliptical corners are noted. The rectangle itself is at 0,0 with width and height 100. 115 * 116 * (10, 15) x=10 x=90 (10, 20) 117 * (--+---------+--) 118 * y=15 +--| |-+ y=20 119 * | | 120 * | | 121 * y=85 + -| |- + y=70 122 * (--+---------+--) 123 * (25, 15) x=25 x=80 (20, 30) 124 */ 125TEST_F(BoxShapeTest, getIntervals) 126{ 127 const RoundedRect::Radii cornerRadii(IntSize(10, 15), IntSize(10, 20), IntSize(25, 15), IntSize(20, 30)); 128 OwnPtr<Shape> shape = createBoxShape(RoundedRect(IntRect(0, 0, 100, 100), cornerRadii), 0); 129 EXPECT_FALSE(shape->isEmpty()); 130 131 EXPECT_EQ(LayoutRect(0, 0, 100, 100), shape->shapeMarginLogicalBoundingBox()); 132 133 TEST_EXCLUDED_INTERVAL(shape, 10, 95, 0, 100); 134 TEST_EXCLUDED_INTERVAL(shape, 5, 25, 0, 100); 135 TEST_EXCLUDED_INTERVAL(shape, 15, 6, 0, 100); 136 TEST_EXCLUDED_INTERVAL(shape, 20, 50, 0, 100); 137 TEST_EXCLUDED_INTERVAL(shape, 69, 5, 0, 100); 138 TEST_EXCLUDED_INTERVAL(shape, 85, 10, 0, 97.320511f); 139} 140 141} // namespace 142