78 lines
2.1 KiB
JavaScript
78 lines
2.1 KiB
JavaScript
import _ol_size_ from '../../../src/ol/size.js';
|
|
|
|
|
|
describe('ol.size', function() {
|
|
|
|
describe('buffer()', function() {
|
|
|
|
it('buffers a size', function() {
|
|
var size = [50, 75];
|
|
var bufferedSize = _ol_size_.buffer(size, 20);
|
|
expect(bufferedSize).to.eql([90, 115]);
|
|
});
|
|
|
|
it('reuses an existing array', function() {
|
|
var reuse = [0, 0];
|
|
var size = [50, 50];
|
|
var bufferedSize = _ol_size_.buffer(size, 20, reuse);
|
|
expect(bufferedSize).to.equal(reuse);
|
|
});
|
|
|
|
});
|
|
|
|
describe('hasArea()', function() {
|
|
|
|
it('determines if a size has a positive area', function() {
|
|
expect(_ol_size_.hasArea([50, 75])).to.equal(true);
|
|
expect(_ol_size_.hasArea([0, 75])).to.equal(false);
|
|
expect(_ol_size_.hasArea([50, 0])).to.equal(false);
|
|
expect(_ol_size_.hasArea([0, 0])).to.equal(false);
|
|
expect(_ol_size_.hasArea([-1, 75])).to.equal(false);
|
|
expect(_ol_size_.hasArea([50, -1])).to.equal(false);
|
|
expect(_ol_size_.hasArea([-1, -1])).to.equal(false);
|
|
});
|
|
|
|
});
|
|
|
|
describe('scale()', function() {
|
|
|
|
it('scales a size and rounds the result', function() {
|
|
var size = [50, 75];
|
|
var scaledSize = _ol_size_.scale(size, 1.75);
|
|
expect(scaledSize).to.eql([88, 131]);
|
|
});
|
|
|
|
it('reuses an existing array', function() {
|
|
var reuse = [0, 0];
|
|
var size = [50, 50];
|
|
var scaledSize = _ol_size_.scale(size, 1.75, reuse);
|
|
expect(scaledSize).to.equal(reuse);
|
|
});
|
|
|
|
});
|
|
|
|
describe('toSize()', function() {
|
|
|
|
it('creates a size array from a number', function() {
|
|
var size = _ol_size_.toSize(512);
|
|
expect(size).to.eql([512, 512]);
|
|
});
|
|
|
|
it('reuses an existing array', function() {
|
|
var sizeArray = [0, 0];
|
|
var size = _ol_size_.toSize(512, sizeArray);
|
|
expect(size).to.equal(sizeArray);
|
|
});
|
|
|
|
it('returns a size array unaltered', function() {
|
|
var sizeArray = [512, 256];
|
|
var size = _ol_size_.toSize(sizeArray);
|
|
expect(size).to.equal(sizeArray);
|
|
size = _ol_size_.toSize(sizeArray, [0, 0]);
|
|
expect(size).to.equal(sizeArray);
|
|
});
|
|
|
|
});
|
|
|
|
});
|