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BoundsSpec.js

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import {Bounds} from '../../../src/common/commontypes/Bounds';

import {Pixel} from '../../../src/common/commontypes/Pixel';

import {LonLat} from '../../../src/common/commontypes/LonLat';

import {Size} from '../../../src/common/commontypes/Size';

import {Point} from '../../../src/common/commontypes/geometry/Point';

describe('Bounds', () => {

it('constructor, clone, equals, toString, toArray', () => {

var bounds = new Bounds([-180, -90, 180, 90]);

var bounds1 = bounds.clone();

expect(bounds).not.toBeNull();

expect(bounds.CLASS_NAME).toEqual("SuperMap.Bounds");

expect(bounds.bottom).toEqual(-90);

expect(bounds.left).toEqual(-180);

expect(bounds.right).toEqual(180);

expect(bounds.top).toEqual(90);

expect(bounds).toEqual(bounds1);

var isEqual = bounds1.equals(bounds);

expect(isEqual).toBeTruthy();

var str = bounds.toString();

expect(str).toEqual("-180,-90,180,90");

var array = bounds.toArray(true);

expect(array.length).toEqual(4);

expect(array[0]).toEqual(-90);

expect(array[1]).toEqual(-180);

expect(array[2]).toEqual(90);

expect(array[3]).toEqual(180);

var array1 = bounds.toArray(false);

expect(array1.length).toEqual(4);

expect(array1[0]).toEqual(-180);

expect(array1[1]).toEqual(-90);

expect(array1[2]).toEqual(180);

expect(array1[3]).toEqual(90);

bounds.destroy();

});

//取小数点后decimal位数字进行四舍五入再转换为BBOX字符串

it('toBBOX', () => {

var bounds = new Bounds(-1.1234567, -1.7654321, 1.4444444, 1.5555555);

var str1 = bounds.toBBOX();

expect(str1).toEqual("-1.123457,-1.765432,1.444444,1.555556");

var str2 = bounds.toBBOX(1);

expect(str2).toEqual("-1.1,-1.8,1.4,1.6");

var str3 = bounds.toBBOX(1, true);

expect(str3).toEqual("-1.8,-1.1,1.6,1.4");

bounds.destroy();

});

it('getSize, getCenterPixel', () => {

var bounds = new Bounds(-180, -90, 100, 80);

var size = bounds.getSize();

var pixel = bounds.getCenterPixel();

expect(size.w).toEqual(280);

expect(size.h).toEqual(170);

expect(pixel.x).toEqual(-40);

expect(pixel.y).toEqual(-5);

bounds.destroy();

});

it('scale', () => {

var bounds = new Bounds(-50, -50, 40, 40);

var bounds1 = bounds.scale(2);

expect(bounds1).not.toBeNull();

expect(bounds1.bottom).toEqual(-95);

expect(bounds1.left).toEqual(-95);

expect(bounds1.right).toEqual(85);

expect(bounds1.top).toEqual(85);

var origin = new Pixel(40, 50);

var bounds2 = bounds.scale(2, origin);

expect(bounds2).not.toBeNull();

expect(bounds2.bottom).toEqual(-150);

expect(bounds2.left).toEqual(-140);

expect(bounds2.right).toEqual(40);

expect(bounds2.top).toEqual(30);

bounds.destroy();

});

it('add', () => {

var bounds = new Bounds(-50, -50, 40, 40);

var newBounds = bounds.add(20, 10);

expect(newBounds).not.toBeNull();

expect(newBounds.bottom).toEqual(-40);

expect(newBounds.left).toEqual(-30);

expect(newBounds.right).toEqual(60);

expect(newBounds.top).toEqual(50);

bounds.destroy();

});

//在当前bounds上扩展bounds

it('extend', () => {

var bounds = new Bounds(-50, -50, 40, 40);

spyOn(bounds, 'extend').and.callThrough();

bounds.extend(new LonLat(50, 60));

expect(bounds).not.toBeNull();

bounds.extend(new Point(50, 60));

expect(bounds).not.toBeNull();

bounds.extend(new Bounds(50, 60));

expect(bounds).not.toBeNull();

expect(bounds.bottom).toEqual(-50);

expect(bounds.left).toEqual(-50);

expect(bounds.right).toEqual(50);

expect(bounds.top).toEqual(60);

bounds.destroy();

});

//判断传入的坐标是否在范围内

it('containsLonLat', () => {

var bounds = new Bounds(-50, -50, 40, 40);

var isContains1 = bounds.containsLonLat(new LonLat(40, 40), true);

expect(isContains1).toBeTruthy();

var isContains2 = bounds.containsLonLat(

new LonLat(400, 40),

{

inclusive: true,

worldBounds: new Bounds(-180, -90, 180, 90)

}

);

expect(isContains2).toBeTruthy();

bounds.destroy();

});

it('containsPixel', () => {

var bounds = new Bounds(-50, -50, 40, 40);

var isContains = bounds.containsPixel(new Pixel(40, 40), true);

expect(isContains).toBeTruthy();

bounds.destroy();

});

it('contains', () => {

var bounds = new Bounds(-50, -50, 40, 40);

var isContains1 = bounds.contains(40, 40);

var isContains2 = bounds.contains();

var isContains3 = bounds.contains(40, 40, false);

expect(isContains1).toBeTruthy();

expect(isContains2).toBeFalsy();

expect(isContains3).toBeFalsy();

bounds.destroy();

});

//判断目标边界范围是否与当前边界范围相交

it('intersectsBounds', () => {

var bounds = new Bounds(-180, -90, 100, 80);

var options1 = {

inclusive: false,

worldBounds: new Bounds(-170, -90, 120, 80)

};

var options2 = {

inclusive: false,

worldBounds: new Bounds(-180, -90, 100, 80)

};

var isIntersects1 = bounds.intersectsBounds(

new Bounds(100, -90, 120, 80),

options1

);

var isIntersects2 = bounds.intersectsBounds(

new Bounds(100, -90, 100, 80),

options2

);

expect(isIntersects1).toBeTruthy();

expect(isIntersects2).toBeFalsy();

bounds.destroy();

});

it('determineQuadrant', () => {

var bounds = new Bounds(-180, -90, 100, 80);

var str = bounds.determineQuadrant(new LonLat(20, 20));

expect(str).toEqual("tr");

bounds.destroy();

});

it('toServerJSONObject', () => {

var bounds = new Bounds(-180, -90, 100, 80);

var obj = bounds.toServerJSONObject();

expect(obj).not.toBeNull();

expect(obj.bottom).toEqual(-90);

expect(obj.left).toEqual(-180);

expect(obj.right).toEqual(100);

expect(obj.top).toEqual(80);

expect(obj.leftBottom).not.toBeNull();

expect(obj.rightTop).not.toBeNull();

bounds.destroy();

});

it('fromString', () => {

var bounds = Bounds.fromString("-180,-90,100,80", false);

expect(bounds).not.toBeNull();

expect(bounds.bottom).toEqual(-90);

expect(bounds.left).toEqual(-180);

expect(bounds.right).toEqual(100);

expect(bounds.top).toEqual(80);

});

it('fromSize', () => {

var bounds = Bounds.fromSize(new Size(20, 10));

expect(bounds).not.toBeNull();

expect(bounds.bottom).toEqual(10);

expect(bounds.left).toEqual(0);

expect(bounds.right).toEqual(20);

expect(bounds.top).toEqual(0);

});

it('oppositeQuadrant', () => {

var oppositeQuadrant = Bounds.oppositeQuadrant("tl");

expect(oppositeQuadrant).toEqual("br");

});

});