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Avoid returning undefined zoom

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This commit is contained in:
Tim Schaub
2017-11-07 18:40:58 -07:00
parent 0fceb2f3e3
commit 967118e699
2 changed files with 21 additions and 23 deletions
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test/spec/ol/view.test.js
+5 -5
View File
@@ -1,5 +1,3 @@
goog.require('ol');
goog.require('ol.Map');
goog.require('ol.View');
@@ -943,12 +941,12 @@ describe('ol.View', function() {
});
});
it('returns correct zoom levels', function() {
it('returns correct zoom levels (with resolutions array)', function() {
view.setResolution(undefined);
expect(view.getZoom()).to.be(undefined);
view.setResolution(513);
expect(view.getZoom()).to.be(undefined);
expect(view.getZoom()).to.roughlyEqual(Math.log(512 / 513) / Math.LN2, 1e-9);
view.setResolution(512);
expect(view.getZoom()).to.be(0);
@@ -966,7 +964,7 @@ describe('ol.View', function() {
expect(view.getZoom()).to.be(5);
view.setResolution(15);
expect(view.getZoom()).to.be(undefined);
expect(view.getZoom()).to.roughlyEqual(Math.log(512 / 15) / Math.LN2, 1e-9);
});
it('works for resolution arrays with variable zoom factors', function() {
@@ -1070,6 +1068,8 @@ describe('ol.View', function() {
expect(view.getZoomForResolution(max / 2)).to.be(1);
expect(view.getZoomForResolution(max / 4)).to.be(2);
expect(view.getZoomForResolution(2 * max)).to.be(-1);
});
it('returns correct zoom levels for specifically configured resolutions', function() {