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<html>
<head>
<script src="../OLLoader.js"></script>
<script type="text/javascript">
var curve;
var components = [new OpenLayers.Geometry.Point(10,10),
new OpenLayers.Geometry.Point(0,0)];
function test_Curve_constructor (t) {
t.plan( 3 );
curve = new OpenLayers.Geometry.Curve();
t.ok( curve instanceof OpenLayers.Geometry.Curve, "new OpenLayers.Geometry.Curve returns curve object" );
t.eq( curve.CLASS_NAME, "OpenLayers.Geometry.Curve", "curve.CLASS_NAME is set correctly");
t.eq( curve.components, [], "curve.components is set correctly");
}
function test_Curve_constructor (t) {
t.plan( 2 );
curve = new OpenLayers.Geometry.Curve(components);
t.ok( curve instanceof OpenLayers.Geometry.Curve, "new OpenLayers.Geometry.Curve returns curve object" );
t.eq( curve.components.length, 2, "curve.components.length is set correctly");
}
function test_Curve_clone (t) {
t.plan( 2 );
curve = new OpenLayers.Geometry.Curve(components);
curve2 = curve.clone();
t.ok( curve2 instanceof OpenLayers.Geometry.Curve, "curve.clone() returns curve object" );
t.eq( curve2.components.length, 2, "curve2.components.length is set correctly");
}
function test_Curve_calculateBounds(t) {
t.plan( 17 );
var curve = new OpenLayers.Geometry.Curve();
curve.calculateBounds();
t.eq(curve.bounds, null, "bounds null when no components");
var p1 = new OpenLayers.Geometry.Point(10,20);
var p2 = new OpenLayers.Geometry.Point(30,40);
var components = [p1, p2];
var curve = new OpenLayers.Geometry.Curve(components);
curve.calculateBounds();
t.eq(curve.bounds.left, 10, "good left bounds");
t.eq(curve.bounds.bottom, 20, "good bottom bounds");
t.eq(curve.bounds.right, 30, "good right bounds");
t.eq(curve.bounds.top, 40, "good top bounds");
var newPoint = new OpenLayers.Geometry.Point(60,70);
curve.addComponent(newPoint);
curve.calculateBounds();
t.eq(curve.bounds.left, 10, "good left bounds");
t.eq(curve.bounds.bottom, 20, "good bottom bounds");
t.eq(curve.bounds.right, 60, "good right bounds");
t.eq(curve.bounds.top, 70, "good top bounds");
//nullifying the bounds
//before calculation
curve = new OpenLayers.Geometry.Curve(components);
curve.bounds = null;
curve.calculateBounds();
t.eq(curve.bounds.left, 10, "good left bounds");
t.eq(curve.bounds.bottom, 20, "good bottom bounds");
t.eq(curve.bounds.right, 30, "good right bounds");
t.eq(curve.bounds.top, 40, "good top bounds");
//before addComponent
curve.bounds = null;
curve.addComponent(newPoint);
curve.calculateBounds();
t.eq(curve.bounds.left, 10, "good left bounds");
t.eq(curve.bounds.bottom, 20, "good bottom bounds");
t.eq(curve.bounds.right, 60, "good right bounds");
t.eq(curve.bounds.top, 70, "good top bounds");
}
function test_Curve_addComponent (t) {
t.plan( 8 );
curve = new OpenLayers.Geometry.Curve(components);
curve.addComponent(new OpenLayers.Geometry.Point(20,30));
bounds = curve.getBounds();
t.eq( curve.components.length, 3, "new point added to array" );
t.eq( bounds.top, 30, "top bound is 30 after addComponent" );
t.eq( bounds.right, 20, "right bound is 20 after addComponent" );
curve.addComponent(new OpenLayers.Geometry.Point(-20,-30), 1);
bounds = curve.getBounds();
t.eq( curve.components.length, 4, "new point added to array" );
t.eq( bounds.bottom, -30, "bottom bound is -30 after 2nd addComponent" );
t.eq( bounds.left, -20, "left bound is 20 after 2nd addComponent" );
t.eq( curve.components[1].x, -20, "new point.lon is -20 (index worked)" );
t.eq( curve.components[1].y, -30, "new point.lat is -30 (index worked)" );
}
function test_Curve_removeComponent (t) {
t.plan( 4 );
curve = new OpenLayers.Geometry.Curve(components);
curve.removeComponent(curve.components[1]);
t.eq( curve.components.length, 1, "curve.components.length is smaller after removeComponent" );
t.eq( curve.bounds, null, "curve.bounds nullified after removeComponent (for recalculation)" );
bounds = curve.getBounds();
t.eq( bounds.left, 10, "left bound is 10 after removeComponent" );
t.eq( bounds.bottom, 10, "bottom bound is 10 after removeComponent" );
}
function test_Curve_getLength (t) {
t.plan( 4 );
//no components
curve = new OpenLayers.Geometry.Curve();
curve.components = null;
t.eq(curve.getLength(), 0, "curve with no components has length 0");
//empty components
curve.components = [];
t.eq(curve.getLength(), 0, "curve with empty components has length 0");
//single point curve
curve.components = [ new OpenLayers.Geometry.Point(0,0) ];
t.eq(curve.getLength(), 0, "curve with only one point has length 0");
//multipoint
var newcomponents = [ new OpenLayers.Geometry.Point(0,0),
new OpenLayers.Geometry.Point(0,10),
new OpenLayers.Geometry.Point(20,10),
new OpenLayers.Geometry.Point(20,-10)
];
curve = new OpenLayers.Geometry.Curve(newcomponents);
t.eq(curve.getLength(), 50, "curve.getLength returns a reasonably accurate length" );
}
function test_Curve_destroy(t) {
t.plan(1);
var curve = new OpenLayers.Geometry.Curve();
curve.components = {};
curve.destroy();
t.ok( curve.components == null, "components is cleared well in destruction");
}
</script>
</head>
<body>
</body>
</html>
|
