Andreas Hocevar
322 lines
13 KiB
JavaScript
322 lines
13 KiB
JavaScript
// Copyright 2006 The Closure Library Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS-IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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goog.provide('goog.math.BoxTest');
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goog.setTestOnly('goog.math.BoxTest');
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goog.require('goog.math.Box');
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goog.require('goog.math.Coordinate');
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goog.require('goog.testing.jsunit');
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function testBoxEquals() {
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var a = new goog.math.Box(1, 2, 3, 4);
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var b = new goog.math.Box(1, 2, 3, 4);
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assertTrue(goog.math.Box.equals(a, a));
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assertTrue(goog.math.Box.equals(a, b));
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assertTrue(goog.math.Box.equals(b, a));
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assertFalse('Box should not equal null.', goog.math.Box.equals(a, null));
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assertFalse('Box should not equal null.', goog.math.Box.equals(null, a));
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assertFalse(goog.math.Box.equals(a, new goog.math.Box(4, 2, 3, 4)));
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assertFalse(goog.math.Box.equals(a, new goog.math.Box(1, 4, 3, 4)));
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assertFalse(goog.math.Box.equals(a, new goog.math.Box(1, 2, 4, 4)));
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assertFalse(goog.math.Box.equals(a, new goog.math.Box(1, 2, 3, 1)));
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assertTrue('Null boxes should be equal.', goog.math.Box.equals(null, null));
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}
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function testBoxClone() {
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var b = new goog.math.Box(0, 0, 0, 0);
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assertTrue(goog.math.Box.equals(b, b.clone()));
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b.left = 0;
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b.top = 1;
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b.right = 2;
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b.bottom = 3;
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assertTrue(goog.math.Box.equals(b, b.clone()));
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}
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function testBoxRelativePositionX() {
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var box = new goog.math.Box(50, 100, 100, 50);
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assertEquals(0,
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goog.math.Box.relativePositionX(box, new goog.math.Coordinate(75, 0)));
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assertEquals(0,
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goog.math.Box.relativePositionX(box, new goog.math.Coordinate(75, 75)));
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assertEquals(0,
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goog.math.Box.relativePositionX(box, new goog.math.Coordinate(75, 105)));
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assertEquals(-5,
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goog.math.Box.relativePositionX(box, new goog.math.Coordinate(45, 75)));
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assertEquals(5,
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goog.math.Box.relativePositionX(box, new goog.math.Coordinate(105, 75)));
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}
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function testBoxRelativePositionY() {
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var box = new goog.math.Box(50, 100, 100, 50);
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assertEquals(0,
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goog.math.Box.relativePositionY(box, new goog.math.Coordinate(0, 75)));
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assertEquals(0,
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goog.math.Box.relativePositionY(box, new goog.math.Coordinate(75, 75)));
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assertEquals(0,
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goog.math.Box.relativePositionY(box, new goog.math.Coordinate(105, 75)));
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assertEquals(-5,
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goog.math.Box.relativePositionY(box, new goog.math.Coordinate(75, 45)));
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assertEquals(5,
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goog.math.Box.relativePositionY(box, new goog.math.Coordinate(75, 105)));
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}
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function testBoxDistance() {
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var box = new goog.math.Box(50, 100, 100, 50);
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assertEquals(0,
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goog.math.Box.distance(box, new goog.math.Coordinate(75, 75)));
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assertEquals(25,
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goog.math.Box.distance(box, new goog.math.Coordinate(75, 25)));
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assertEquals(10,
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goog.math.Box.distance(box, new goog.math.Coordinate(40, 80)));
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assertEquals(5,
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goog.math.Box.distance(box, new goog.math.Coordinate(46, 47)));
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assertEquals(10,
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goog.math.Box.distance(box, new goog.math.Coordinate(106, 108)));
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}
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function testBoxContains() {
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var box = new goog.math.Box(50, 100, 100, 50);
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assertTrue(goog.math.Box.contains(box, new goog.math.Coordinate(75, 75)));
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assertTrue(goog.math.Box.contains(box, new goog.math.Coordinate(50, 100)));
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assertTrue(goog.math.Box.contains(box, new goog.math.Coordinate(100, 99)));
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assertFalse(goog.math.Box.contains(box, new goog.math.Coordinate(100, 101)));
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assertFalse(goog.math.Box.contains(box, new goog.math.Coordinate(49, 50)));
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assertFalse(goog.math.Box.contains(box, new goog.math.Coordinate(25, 25)));
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}
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function testBoxContainsBox() {
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var box = new goog.math.Box(50, 100, 100, 50);
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function assertContains(boxB) {
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assertTrue(box + ' expected to contain ' + boxB,
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goog.math.Box.contains(box, boxB));
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}
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function assertNotContains(boxB) {
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assertFalse(box + ' expected to not contain ' + boxB,
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goog.math.Box.contains(box, boxB));
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}
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assertContains(new goog.math.Box(60, 90, 90, 60));
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assertNotContains(new goog.math.Box(1, 3, 4, 2));
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assertNotContains(new goog.math.Box(30, 90, 60, 60));
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assertNotContains(new goog.math.Box(60, 110, 60, 60));
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assertNotContains(new goog.math.Box(60, 90, 110, 60));
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assertNotContains(new goog.math.Box(60, 90, 60, 40));
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}
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function testBoxesIntersect() {
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var box = new goog.math.Box(50, 100, 100, 50);
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function assertIntersects(boxB) {
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assertTrue(box + ' expected to intersect ' + boxB,
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goog.math.Box.intersects(box, boxB));
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}
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function assertNotIntersects(boxB) {
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assertFalse(box + ' expected to not intersect ' + boxB,
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goog.math.Box.intersects(box, boxB));
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}
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assertIntersects(box);
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assertIntersects(new goog.math.Box(20, 80, 80, 20));
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assertIntersects(new goog.math.Box(50, 80, 100, 20));
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assertIntersects(new goog.math.Box(80, 80, 120, 20));
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assertIntersects(new goog.math.Box(20, 100, 80, 50));
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assertIntersects(new goog.math.Box(80, 100, 120, 50));
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assertIntersects(new goog.math.Box(20, 120, 80, 80));
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assertIntersects(new goog.math.Box(50, 120, 100, 80));
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assertIntersects(new goog.math.Box(80, 120, 120, 80));
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assertIntersects(new goog.math.Box(20, 120, 120, 20));
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assertIntersects(new goog.math.Box(70, 80, 80, 70));
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assertNotIntersects(new goog.math.Box(10, 30, 30, 10));
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assertNotIntersects(new goog.math.Box(10, 70, 30, 30));
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assertNotIntersects(new goog.math.Box(10, 100, 30, 50));
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assertNotIntersects(new goog.math.Box(10, 120, 30, 80));
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assertNotIntersects(new goog.math.Box(10, 140, 30, 120));
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assertNotIntersects(new goog.math.Box(30, 30, 70, 10));
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assertNotIntersects(new goog.math.Box(30, 140, 70, 120));
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assertNotIntersects(new goog.math.Box(50, 30, 100, 10));
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assertNotIntersects(new goog.math.Box(50, 140, 100, 120));
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assertNotIntersects(new goog.math.Box(80, 30, 120, 10));
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assertNotIntersects(new goog.math.Box(80, 140, 120, 120));
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assertNotIntersects(new goog.math.Box(120, 30, 140, 10));
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assertNotIntersects(new goog.math.Box(120, 70, 140, 30));
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assertNotIntersects(new goog.math.Box(120, 100, 140, 50));
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assertNotIntersects(new goog.math.Box(120, 120, 140, 80));
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assertNotIntersects(new goog.math.Box(120, 140, 140, 120));
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}
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function testBoxesIntersectWithPadding() {
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var box = new goog.math.Box(50, 100, 100, 50);
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function assertIntersects(boxB, padding) {
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assertTrue(box + ' expected to intersect ' + boxB + ' with padding ' +
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padding, goog.math.Box.intersectsWithPadding(box, boxB, padding));
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}
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function assertNotIntersects(boxB, padding) {
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assertFalse(box + ' expected to not intersect ' + boxB + ' with padding ' +
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padding, goog.math.Box.intersectsWithPadding(box, boxB, padding));
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}
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assertIntersects(box, 10);
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assertIntersects(new goog.math.Box(20, 80, 80, 20), 10);
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assertIntersects(new goog.math.Box(50, 80, 100, 20), 10);
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assertIntersects(new goog.math.Box(80, 80, 120, 20), 10);
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assertIntersects(new goog.math.Box(20, 100, 80, 50), 10);
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assertIntersects(new goog.math.Box(80, 100, 120, 50), 10);
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assertIntersects(new goog.math.Box(20, 120, 80, 80), 10);
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assertIntersects(new goog.math.Box(50, 120, 100, 80), 10);
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assertIntersects(new goog.math.Box(80, 120, 120, 80), 10);
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assertIntersects(new goog.math.Box(20, 120, 120, 20), 10);
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assertIntersects(new goog.math.Box(70, 80, 80, 70), 10);
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assertIntersects(new goog.math.Box(10, 30, 30, 10), 20);
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assertIntersects(new goog.math.Box(10, 70, 30, 30), 20);
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assertIntersects(new goog.math.Box(10, 100, 30, 50), 20);
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assertIntersects(new goog.math.Box(10, 120, 30, 80), 20);
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assertIntersects(new goog.math.Box(10, 140, 30, 120), 20);
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assertIntersects(new goog.math.Box(30, 30, 70, 10), 20);
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assertIntersects(new goog.math.Box(30, 140, 70, 120), 20);
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assertIntersects(new goog.math.Box(50, 30, 100, 10), 20);
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assertIntersects(new goog.math.Box(50, 140, 100, 120), 20);
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assertIntersects(new goog.math.Box(80, 30, 120, 10), 20);
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assertIntersects(new goog.math.Box(80, 140, 120, 120), 20);
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assertIntersects(new goog.math.Box(120, 30, 140, 10), 20);
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assertIntersects(new goog.math.Box(120, 70, 140, 30), 20);
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assertIntersects(new goog.math.Box(120, 100, 140, 50), 20);
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assertIntersects(new goog.math.Box(120, 120, 140, 80), 20);
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assertIntersects(new goog.math.Box(120, 140, 140, 120), 20);
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assertNotIntersects(new goog.math.Box(10, 30, 30, 10), 10);
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assertNotIntersects(new goog.math.Box(10, 70, 30, 30), 10);
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assertNotIntersects(new goog.math.Box(10, 100, 30, 50), 10);
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assertNotIntersects(new goog.math.Box(10, 120, 30, 80), 10);
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assertNotIntersects(new goog.math.Box(10, 140, 30, 120), 10);
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assertNotIntersects(new goog.math.Box(30, 30, 70, 10), 10);
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assertNotIntersects(new goog.math.Box(30, 140, 70, 120), 10);
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assertNotIntersects(new goog.math.Box(50, 30, 100, 10), 10);
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assertNotIntersects(new goog.math.Box(50, 140, 100, 120), 10);
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assertNotIntersects(new goog.math.Box(80, 30, 120, 10), 10);
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assertNotIntersects(new goog.math.Box(80, 140, 120, 120), 10);
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assertNotIntersects(new goog.math.Box(120, 30, 140, 10), 10);
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assertNotIntersects(new goog.math.Box(120, 70, 140, 30), 10);
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assertNotIntersects(new goog.math.Box(120, 100, 140, 50), 10);
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assertNotIntersects(new goog.math.Box(120, 120, 140, 80), 10);
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assertNotIntersects(new goog.math.Box(120, 140, 140, 120), 10);
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}
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function testExpandToInclude() {
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var box = new goog.math.Box(10, 50, 50, 10);
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box.expandToInclude(new goog.math.Box(60, 70, 70, 60));
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assertEquals(10, box.left);
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assertEquals(10, box.top);
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assertEquals(70, box.right);
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assertEquals(70, box.bottom);
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box.expandToInclude(new goog.math.Box(30, 40, 40, 30));
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assertEquals(10, box.left);
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assertEquals(10, box.top);
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assertEquals(70, box.right);
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assertEquals(70, box.bottom);
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box.expandToInclude(new goog.math.Box(0, 100, 100, 0));
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assertEquals(0, box.left);
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assertEquals(0, box.top);
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assertEquals(100, box.right);
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assertEquals(100, box.bottom);
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}
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function testGetWidth() {
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var box = new goog.math.Box(10, 50, 30, 25);
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assertEquals(25, box.getWidth());
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}
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function testGetHeight() {
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var box = new goog.math.Box(10, 50, 30, 25);
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assertEquals(20, box.getHeight());
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}
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function testBoundingBox() {
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assertObjectEquals(
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new goog.math.Box(1, 10, 11, 0),
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goog.math.Box.boundingBox(
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new goog.math.Coordinate(5, 5),
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new goog.math.Coordinate(5, 11),
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new goog.math.Coordinate(0, 5),
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new goog.math.Coordinate(5, 1),
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new goog.math.Coordinate(10, 5)));
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}
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function testBoxCeil() {
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var box = new goog.math.Box(11.4, 26.6, 17.8, 9.2);
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assertEquals('The function should return the target instance',
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box, box.ceil());
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assertObjectEquals(new goog.math.Box(12, 27, 18, 10), box);
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}
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function testBoxFloor() {
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var box = new goog.math.Box(11.4, 26.6, 17.8, 9.2);
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assertEquals('The function should return the target instance',
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box, box.floor());
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assertObjectEquals(new goog.math.Box(11, 26, 17, 9), box);
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}
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function testBoxRound() {
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var box = new goog.math.Box(11.4, 26.6, 17.8, 9.2);
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assertEquals('The function should return the target instance',
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box, box.round());
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assertObjectEquals(new goog.math.Box(11, 27, 18, 9), box);
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}
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function testBoxTranslateCoordinate() {
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var box = new goog.math.Box(10, 30, 20, 5);
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var c = new goog.math.Coordinate(10, 5);
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assertEquals('The function should return the target instance',
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box, box.translate(c));
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assertObjectEquals(new goog.math.Box(15, 40, 25, 15), box);
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}
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function testBoxTranslateXY() {
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var box = new goog.math.Box(10, 30, 20, 5);
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assertEquals('The function should return the target instance',
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box, box.translate(5, 2));
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assertObjectEquals(new goog.math.Box(12, 35, 22, 10), box);
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}
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function testBoxTranslateX() {
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var box = new goog.math.Box(10, 30, 20, 5);
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assertEquals('The function should return the target instance',
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box, box.translate(3));
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assertObjectEquals(new goog.math.Box(10, 33, 20, 8), box);
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}
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function testBoxScaleXY() {
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var box = new goog.math.Box(10, 20, 30, 5);
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assertEquals('The function should return the target instance',
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box, box.scale(2, 3));
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assertObjectEquals(new goog.math.Box(30, 40, 90, 10), box);
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}
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function testBoxScaleFactor() {
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var box = new goog.math.Box(10, 20, 30, 5);
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assertEquals('The function should return the target instance',
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box, box.scale(2));
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assertObjectEquals(new goog.math.Box(20, 40, 60, 10), box);
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}
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