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<script src="../../lib/OpenLayers.js"></script>
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<script type="text/javascript">
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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_Curve_constructor (t) {
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curve = new OpenLayers.Geometry.Curve();
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t.ok( curve instanceof OpenLayers.Geometry.Curve, "new OpenLayers.Geometry.Curve returns curve object" );
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t.eq( curve.CLASS_NAME, "OpenLayers.Geometry.Curve", "curve.CLASS_NAME is set correctly");
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t.eq( curve.components, [], "curve.components is set correctly");
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function test_Curve_constructor (t) {
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curve = new OpenLayers.Geometry.Curve(components);
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t.ok( curve instanceof OpenLayers.Geometry.Curve, "new OpenLayers.Geometry.Curve returns curve object" );
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t.eq( curve.components.length, 2, "curve.components.length is set correctly");
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function test_Curve_clone (t) {
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curve = new OpenLayers.Geometry.Curve(components);
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curve2 = curve.clone();
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t.ok( curve2 instanceof OpenLayers.Geometry.Curve, "curve.clone() returns curve object" );
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t.eq( curve2.components.length, 2, "curve2.components.length is set correctly");
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function test_Curve_calculateBounds(t) {
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var curve = new OpenLayers.Geometry.Curve();
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curve.calculateBounds();
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t.eq(curve.bounds, null, "bounds null when no components");
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var p1 = new OpenLayers.Geometry.Point(10,20);
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var p2 = new OpenLayers.Geometry.Point(30,40);
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var components = [p1, p2];
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var curve = new OpenLayers.Geometry.Curve(components);
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curve.calculateBounds();
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t.eq(curve.bounds.left, 10, "good left bounds");
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t.eq(curve.bounds.bottom, 20, "good bottom bounds");
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t.eq(curve.bounds.right, 30, "good right bounds");
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t.eq(curve.bounds.top, 40, "good top bounds");
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var newPoint = new OpenLayers.Geometry.Point(60,70);
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curve.addComponent(newPoint);
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curve.calculateBounds();
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t.eq(curve.bounds.left, 10, "good left bounds");
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t.eq(curve.bounds.bottom, 20, "good bottom bounds");
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t.eq(curve.bounds.right, 60, "good right bounds");
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t.eq(curve.bounds.top, 70, "good top bounds");
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//nullifying the bounds
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curve = new OpenLayers.Geometry.Curve(components);
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curve.calculateBounds();
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t.eq(curve.bounds.left, 10, "good left bounds");
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t.eq(curve.bounds.bottom, 20, "good bottom bounds");
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t.eq(curve.bounds.right, 30, "good right bounds");
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t.eq(curve.bounds.top, 40, "good top bounds");
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curve.addComponent(newPoint);
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curve.calculateBounds();
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t.eq(curve.bounds.left, 10, "good left bounds");
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t.eq(curve.bounds.bottom, 20, "good bottom bounds");
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t.eq(curve.bounds.right, 60, "good right bounds");
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t.eq(curve.bounds.top, 70, "good top bounds");
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function test_Curve_addComponent (t) {
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curve = new OpenLayers.Geometry.Curve(components);
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curve.addComponent(new OpenLayers.Geometry.Point(20,30));
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bounds = curve.getBounds();
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t.eq( curve.components.length, 3, "new point added to array" );
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t.eq( bounds.top, 30, "top bound is 30 after addComponent" );
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t.eq( bounds.right, 20, "right bound is 20 after addComponent" );
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curve.addComponent(new OpenLayers.Geometry.Point(-20,-30), 1);
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bounds = curve.getBounds();
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t.eq( curve.components.length, 4, "new point added to array" );
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t.eq( bounds.bottom, -30, "bottom bound is -30 after 2nd addComponent" );
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t.eq( bounds.left, -20, "left bound is 20 after 2nd addComponent" );
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t.eq( curve.components[1].x, -20, "new point.lon is -20 (index worked)" );
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t.eq( curve.components[1].y, -30, "new point.lat is -30 (index worked)" );
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function test_Curve_removeComponent (t) {
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curve = new OpenLayers.Geometry.Curve(components);
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curve.removeComponent(curve.components[1]);
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t.eq( curve.components.length, 1, "curve.components.length is smaller after removeComponent" );
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t.eq( curve.bounds, null, "curve.bounds nullified after removeComponent (for recalculation)" );
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bounds = curve.getBounds();
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t.eq( bounds.left, 10, "left bound is 10 after removeComponent" );
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t.eq( bounds.bottom, 10, "bottom bound is 10 after removeComponent" );
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function test_Curve_getLength (t) {
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curve = new OpenLayers.Geometry.Curve();
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curve.components = null;
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t.eq(curve.getLength(), 0, "curve with no components has length 0");
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curve.components = [];
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t.eq(curve.getLength(), 0, "curve with empty components has length 0");
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curve.components = [ new OpenLayers.Geometry.Point(0,0) ];
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t.eq(curve.getLength(), 0, "curve with only one point has length 0");
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var newcomponents = [ new OpenLayers.Geometry.Point(0,0),
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new OpenLayers.Geometry.Point(0,10),
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new OpenLayers.Geometry.Point(20,10),
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new OpenLayers.Geometry.Point(20,-10)
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curve = new OpenLayers.Geometry.Curve(newcomponents);
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t.eq(curve.getLength(), 50, "curve.getLength returns a reasonably accurate length" );
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function test_Curve_destroy(t) {
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var curve = new OpenLayers.Geometry.Curve();
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curve.components = {};
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t.ok( curve.components == null, "components is cleared well in destruction");