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Add new tests for View & Interaction w/ fixes

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This commit is contained in:
jahow
2019-01-14 22:11:54 +01:00
committed by Olivier Guyot
parent a6f65df8c4
commit cd186ada7f
4 changed files with 57 additions and 22 deletions
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46
test/spec/ol/interaction/interaction.test.js
View File

@@ -128,7 +128,7 @@ describe('ol.interaction.Interaction', function() {
expect(view.getCenter()).to.eql([10, 10]);
});
it('changes view resolution and center relative to the anchor, while respecting the extent', function() {
it('changes view resolution and center relative to the anchor, while respecting the extent (center only)', function() {
const view = new View({
center: [0, 0],
extent: [-2.5, -2.5, 2.5, 2.5],
@@ -149,6 +149,50 @@ describe('ol.interaction.Interaction', function() {
zoomByDelta(view, -2, [0, 0]);
expect(view.getCenter()).to.eql([2.5, 2.5]);
});
it('changes view resolution and center relative to the anchor, while respecting the extent', function() {
const map = new Map({});
const view = new View({
center: [50, 50],
extent: [0, 0, 100, 100],
resolution: 1,
resolutions: [4, 2, 1, 0.5, 0.25, 0.125]
});
map.setView(view);
zoomByDelta(view, 1, [100, 100]);
expect(view.getCenter()).to.eql([75, 75]);
zoomByDelta(view, -1, [75, 75]);
expect(view.getCenter()).to.eql([50, 50]);
zoomByDelta(view, 2, [100, 100]);
expect(view.getCenter()).to.eql([87.5, 87.5]);
zoomByDelta(view, -3, [0, 0]);
expect(view.getCenter()).to.eql([50, 50]);
expect(view.getResolution()).to.eql(2);
});
it('changes view resolution and center relative to the anchor, while respecting the extent (rotated)', function() {
const map = new Map({});
const view = new View({
center: [50, 50],
extent: [-100, -100, 100, 100],
resolution: 1,
resolutions: [2, 1, 0.5, 0.25, 0.125],
rotation: Math.PI / 4
});
map.setView(view);
const halfSize = 100 * Math.SQRT1_2;
zoomByDelta(view, 1, [100, 100]);
expect(view.getCenter()).to.eql([100 - halfSize / 2, 100 - halfSize / 2]);
view.setCenter([0, 50]);
zoomByDelta(view, -1, [0, 0]);
expect(view.getCenter()).to.eql([0, 100 - halfSize]);
});
});
});