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// Copyright 2006 The Closure Library Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
goog.provide('goog.math.CoordinateTest');
goog.setTestOnly('goog.math.CoordinateTest');
goog.require('goog.math.Coordinate');
goog.require('goog.testing.jsunit');
function testCoordinate1() {
var dim1 = new goog.math.Coordinate();
assertEquals(0, dim1.x);
assertEquals(0, dim1.y);
assertEquals('(0, 0)', dim1.toString());
}
function testCoordinate2() {
var dim2 = new goog.math.Coordinate(10);
assertEquals(10, dim2.x);
assertEquals(0, dim2.y);
assertEquals('(10, 0)', dim2.toString());
}
function testCoordinate3() {
var dim3 = new goog.math.Coordinate(10, 20);
assertEquals(10, dim3.x);
assertEquals(20, dim3.y);
assertEquals('(10, 20)', dim3.toString());
}
function testCoordinate4() {
var dim4 = new goog.math.Coordinate(10.5, 20.897);
assertEquals(10.5, dim4.x);
assertEquals(20.897, dim4.y);
assertEquals('(10.5, 20.897)', dim4.toString());
}
function testCoordinate5() {
var dim5 = new goog.math.Coordinate(NaN, 1000);
assertTrue(isNaN(dim5.x));
assertEquals(1000, dim5.y);
assertEquals('(NaN, 1000)', dim5.toString());
}
function testCoordinateSquaredDistance() {
var a = new goog.math.Coordinate(7, 11);
var b = new goog.math.Coordinate(3, -1);
assertEquals(160, goog.math.Coordinate.squaredDistance(a, b));
}
function testCoordinateDistance() {
var a = new goog.math.Coordinate(-2, -3);
var b = new goog.math.Coordinate(2, 0);
assertEquals(5, goog.math.Coordinate.distance(a, b));
}
function testCoordinateMagnitude() {
var a = new goog.math.Coordinate(5, 5);
assertEquals(Math.sqrt(50), goog.math.Coordinate.magnitude(a));
}
function testCoordinateAzimuth() {
var a = new goog.math.Coordinate(5, 5);
assertEquals(45, goog.math.Coordinate.azimuth(a));
}
function testCoordinateClone() {
var c = new goog.math.Coordinate();
assertEquals(c.toString(), c.clone().toString());
c.x = -12;
c.y = 13;
assertEquals(c.toString(), c.clone().toString());
}
function testCoordinateEquals() {
var a = new goog.math.Coordinate(1, 2);
assertFalse(a.equals(null));
assertFalse(a.equals({}));
assertFalse(a.equals(new goog.math.Coordinate(1, 3)));
assertFalse(a.equals(new goog.math.Coordinate(2, 2)));
assertTrue(a.equals(a));
assertTrue(a.equals(new goog.math.Coordinate(1, 2)));
}
function testCoordinateDifference() {
assertObjectEquals(
new goog.math.Coordinate(3, -40),
goog.math.Coordinate.difference(
new goog.math.Coordinate(5, 10), new goog.math.Coordinate(2, 50)));
}
function testCoordinateSum() {
assertObjectEquals(
new goog.math.Coordinate(7, 60),
goog.math.Coordinate.sum(
new goog.math.Coordinate(5, 10), new goog.math.Coordinate(2, 50)));
}
function testCoordinateCeil() {
var c = new goog.math.Coordinate(5.2, 7.6);
assertObjectEquals(new goog.math.Coordinate(6, 8), c.ceil());
c = new goog.math.Coordinate(-1.2, -3.9);
assertObjectEquals(new goog.math.Coordinate(-1, -3), c.ceil());
}
function testCoordinateFloor() {
var c = new goog.math.Coordinate(5.2, 7.6);
assertObjectEquals(new goog.math.Coordinate(5, 7), c.floor());
c = new goog.math.Coordinate(-1.2, -3.9);
assertObjectEquals(new goog.math.Coordinate(-2, -4), c.floor());
}
function testCoordinateRound() {
var c = new goog.math.Coordinate(5.2, 7.6);
assertObjectEquals(new goog.math.Coordinate(5, 8), c.round());
c = new goog.math.Coordinate(-1.2, -3.9);
assertObjectEquals(new goog.math.Coordinate(-1, -4), c.round());
}
function testCoordinateTranslateCoordinate() {
var c = new goog.math.Coordinate(10, 20);
var t = new goog.math.Coordinate(5, 10);
// The translate function modifies the coordinate instead of
// returning a new one.
assertEquals(c, c.translate(t));
assertObjectEquals(new goog.math.Coordinate(15, 30), c);
}
function testCoordinateTranslateXY() {
var c = new goog.math.Coordinate(10, 20);
// The translate function modifies the coordinate instead of
// returning a new one.
assertEquals(c, c.translate(25, 5));
assertObjectEquals(new goog.math.Coordinate(35, 25), c);
}
function testCoordinateTranslateX() {
var c = new goog.math.Coordinate(10, 20);
// The translate function modifies the coordinate instead of
// returning a new one.
assertEquals(c, c.translate(5));
assertObjectEquals(new goog.math.Coordinate(15, 20), c);
}
function testCoordinateScaleXY() {
var c = new goog.math.Coordinate(10, 15);
// The scale function modifies the coordinate instead of returning a new one.
assertEquals(c, c.scale(2, 3));
assertObjectEquals(new goog.math.Coordinate(20, 45), c);
}
function testCoordinateScaleFactor() {
var c = new goog.math.Coordinate(10, 15);
// The scale function modifies the coordinate instead of returning a new one.
assertEquals(c, c.scale(2));
assertObjectEquals(new goog.math.Coordinate(20, 30), c);
}
function testCoordinateRotateRadians() {
var c = new goog.math.Coordinate(15, 75);
c.rotateRadians(Math.PI / 2, new goog.math.Coordinate(10, 70));
assertObjectEquals(new goog.math.Coordinate(5, 75), c);
}
function testCoordinateRotateDegrees() {
var c = new goog.math.Coordinate(15, 75);
c.rotateDegrees(90, new goog.math.Coordinate(10, 70));
assertObjectEquals(new goog.math.Coordinate(5, 75), c);
}
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