1dea6430cd
git-svn-id: http://svn.openlayers.org/trunk/openlayers@2945 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
106 lines
4.8 KiB
HTML
106 lines
4.8 KiB
HTML
<html>
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<head>
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<script src="../../lib/OpenLayers.js"></script>
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<script type="text/javascript"><!--
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var line;
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var components = [new OpenLayers.Geometry.Point(10,10),
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new OpenLayers.Geometry.Point(0,0)];
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function test_01_LinearRing_constructor (t) {
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t.plan( 6 );
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//null
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ring = new OpenLayers.Geometry.LinearRing();
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t.ok( ring instanceof OpenLayers.Geometry.LinearRing, "new OpenLayers.Geometry.LinearRing returns ring object" );
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t.eq( ring.CLASS_NAME, "OpenLayers.Geometry.LinearRing", "ring.CLASS_NAME is set correctly");
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t.eq( ring.components, [], "ring.components is set correctly");
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//valid components
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ring = new OpenLayers.Geometry.LinearRing(components);
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t.ok( ring instanceof OpenLayers.Geometry.LinearRing, "new OpenLayers.Geometry.LinearRing returns ring object" );
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t.eq( ring.CLASS_NAME, "OpenLayers.Geometry.LinearRing", "ring.CLASS_NAME is set correctly");
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t.eq( ring.components.length, 3, "ring.components.length is set correctly");
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}
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function test_02_LinearRing_addComponent(t) {
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t.plan(13);
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var ring = new OpenLayers.Geometry.LinearRing();
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var point = new OpenLayers.Geometry.Point(0,0);
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t.ok(ring.addComponent(point),
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"addComponent returns true for 1st point");
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t.eq(ring.components.length, 2, "add first point, correct length");
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t.ok(ring.components[0].equals(point), "point one correct");
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t.ok(ring.components[0].equals(ring.components[ring.components.length - 1]), "first and last point equal");
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newPoint = new OpenLayers.Geometry.Point(10,10);
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t.ok(ring.addComponent( newPoint ),
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"addComponent returns true for unique point");
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t.eq(ring.components.length, 3, "correctly adds 3rd point");
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t.ok(ring.components[0].equals(point), "point one correct");
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t.ok(ring.components[1].equals(newPoint), "point one correct");
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t.ok(ring.components[2].equals(ring.components[0]), "first and last point equal");
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var length = ring.components.length;
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var clone = ring.components[length - 1].clone();
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t.ok(!ring.addComponent(clone),
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"addComponent returns false for adding a duplicate last point");
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t.eq(ring.components.length, length,
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"components remains unchanged after trying to add duplicate point");
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t.ok(ring.addComponent(clone, length - 1),
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"addComponent returns true when adding a duplicate with an index");
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t.eq(ring.components.length, length + 1,
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"components increase in length after adding a duplicate point with index");
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}
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function test_03_LinearRing_removeComponent(t) {
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t.plan(11);
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var components = [new OpenLayers.Geometry.Point(0,0),
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new OpenLayers.Geometry.Point(0,10),
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new OpenLayers.Geometry.Point(15,15),
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new OpenLayers.Geometry.Point(10,0)
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];
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var ring = new OpenLayers.Geometry.LinearRing(components);
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ring.removeComponent( ring.components[2] );
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t.eq(ring.components.length, 4, "removing from linear ring with 5 points: length ok");
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t.ok(ring.components[0].equals(components[0]), "point one correct");
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t.ok(ring.components[1].equals(components[1]), "point two correct");
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t.ok(ring.components[2].equals(components[3]), "point one correct");
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t.ok(ring.components[0].equals(ring.components[ring.components.length - 1]), "first and last point equal");
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var testBounds = new OpenLayers.Bounds(0,0,10,10);
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var ringBounds = ring.getBounds();
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t.ok(ringBounds.equals(testBounds), "bounds correctly recalculated");
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ring.removeComponent( ring.components[2] );
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t.eq(ring.components.length, 4, "cant remove from linear ring with only 4 points. new length ok (unchanged)");
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t.ok(ring.components[0].equals(components[0]), "point one correct");
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t.ok(ring.components[1].equals(components[1]), "point two correct");
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t.ok(ring.components[2].equals(components[3]), "point one correct");
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t.ok(ring.components[0].equals(ring.components[ring.components.length - 1]), "first and last point equal");
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}
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function test_04_LinearRing_getArea(t) {
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t.plan(1);
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var components = [new OpenLayers.Geometry.Point(0,0),
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new OpenLayers.Geometry.Point(0,10),
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new OpenLayers.Geometry.Point(10,10),
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new OpenLayers.Geometry.Point(10,0)
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];
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var ring = new OpenLayers.Geometry.LinearRing(components);
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t.eq(ring.getArea(), 100, "getArea works lovely");
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}
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// -->
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</script>
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</head>
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<body>
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</body>
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</html>
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