Files
openlayers/test/spec/ol/style/circlestyle.test.js
tsauerwein 509fbaee1c Replace hashCode with checksum
Hash codes are not collision free, so what we
actually need is a checksum.
2014-11-06 15:08:34 +01:00

168 lines
4.4 KiB
JavaScript

goog.provide('ol.test.style.Circle');
describe('ol.style.Circle', function() {
describe('#getChecksum', function() {
it('calculates the same hash code for default options', function() {
var style1 = new ol.style.Circle();
var style2 = new ol.style.Circle();
expect(style1.getChecksum()).to.eql(style2.getChecksum());
});
it('calculates not the same hash code (radius)', function() {
var style1 = new ol.style.Circle();
var style2 = new ol.style.Circle({
radius: 5
});
expect(style1.getChecksum()).to.not.eql(style2.getChecksum());
});
it('calculates the same hash code (radius)', function() {
var style1 = new ol.style.Circle({
radius: 5
});
var style2 = new ol.style.Circle({
radius: 5
});
expect(style1.getChecksum()).to.eql(style2.getChecksum());
});
it('calculates not the same hash code (color)', function() {
var style1 = new ol.style.Circle({
radius: 5,
fill: new ol.style.Fill({
color: '#319FD3'
})
});
var style2 = new ol.style.Circle({
radius: 5,
stroke: new ol.style.Stroke({
color: '#319FD3'
})
});
expect(style1.getChecksum()).to.not.eql(style2.getChecksum());
});
it('calculates the same hash code (everything set)', function() {
var style1 = new ol.style.Circle({
radius: 5,
fill: new ol.style.Fill({
color: '#319FD3'
}),
stroke: new ol.style.Stroke({
color: '#319FD3',
lineCap: 'round',
lineDash: [5, 15, 25],
lineJoin: 'miter',
miterLimit: 4,
width: 2
})
});
var style2 = new ol.style.Circle({
radius: 5,
fill: new ol.style.Fill({
color: '#319FD3'
}),
stroke: new ol.style.Stroke({
color: '#319FD3',
lineCap: 'round',
lineDash: [5, 15, 25],
lineJoin: 'miter',
miterLimit: 4,
width: 2
})
});
expect(style1.getChecksum()).to.eql(style2.getChecksum());
});
it('calculates not the same hash code (stroke width differs)', function() {
var style1 = new ol.style.Circle({
radius: 5,
fill: new ol.style.Fill({
color: '#319FD3'
}),
stroke: new ol.style.Stroke({
color: '#319FD3',
lineCap: 'round',
lineDash: [5, 15, 25],
lineJoin: 'miter',
miterLimit: 4,
width: 3
})
});
var style2 = new ol.style.Circle({
radius: 5,
fill: new ol.style.Fill({
color: '#319FD3'
}),
stroke: new ol.style.Stroke({
color: '#319FD3',
lineCap: 'round',
lineDash: [5, 15, 25],
lineJoin: 'miter',
miterLimit: 4,
width: 2
})
});
expect(style1.getChecksum()).to.not.eql(style2.getChecksum());
});
it('invalidates a cached checksum if values change (fill)', function() {
var style1 = new ol.style.Circle({
radius: 5,
fill: new ol.style.Fill({
color: '#319FD3'
}),
stroke: new ol.style.Stroke({
color: '#319FD3'
})
});
var style2 = new ol.style.Circle({
radius: 5,
fill: new ol.style.Fill({
color: '#319FD3'
}),
stroke: new ol.style.Stroke({
color: '#319FD3'
})
});
expect(style1.getChecksum()).to.eql(style2.getChecksum());
style1.getFill().setColor('red');
expect(style1.getChecksum()).to.not.eql(style2.getChecksum());
});
it('invalidates a cached checksum if values change (stroke)', function() {
var style1 = new ol.style.Circle({
radius: 5,
fill: new ol.style.Fill({
color: '#319FD3'
}),
stroke: new ol.style.Stroke({
color: '#319FD3'
})
});
var style2 = new ol.style.Circle({
radius: 5,
fill: new ol.style.Fill({
color: '#319FD3'
}),
stroke: new ol.style.Stroke({
color: '#319FD3'
})
});
expect(style1.getChecksum()).to.eql(style2.getChecksum());
style1.getStroke().setWidth(4);
expect(style1.getChecksum()).to.not.eql(style2.getChecksum());
});
});
});
goog.require('ol.style.Circle');
goog.require('ol.style.Fill');
goog.require('ol.style.Stroke');