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Tests for calculateFeatureDx

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This commit is contained in:
ahocevar
2011-10-09 10:10:21 +02:00
parent 8c43c4537c
commit 9670b140cb
1 changed files with 15 additions and 0 deletions
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tests/Renderer.html
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@@ -54,6 +54,21 @@
t.eq(r.resolution, resolution, "resolution is correctly set"); t.eq(r.resolution, resolution, "resolution is correctly set");
} }
function test_calculateFeatureDx(t) {
t.plan(4);
var r = new OpenLayers.Renderer();
r.extent = new OpenLayers.Bounds(177, -2, 183, 2);
var worldBounds = new OpenLayers.Bounds(-180,-90,180,90);
r.calculateFeatureDx(new OpenLayers.Bounds(179,-1,181,1), worldBounds);
t.eq(r.featureDx, 0, "no offset for feature inside extent");
r.calculateFeatureDx(new OpenLayers.Bounds(-181,-1,-179,1), worldBounds);
t.eq(r.featureDx, -360, "negative offset for feature on other end of world");
r.calculateFeatureDx(new OpenLayers.Bounds(359,-1,361,1), worldBounds);
t.eq(r.featureDx, 360, "positive offset for feature that is one world away");
r.calculateFeatureDx(new OpenLayers.Bounds(719,-1,721,1), worldBounds);
t.eq(r.featureDx, 720, "correct offset for feature that is two worlds away");
}
function test_Renderer_destroy(t) { function test_Renderer_destroy(t) {
t.plan(5); t.plan(5);