1dea6430cd
git-svn-id: http://svn.openlayers.org/trunk/openlayers@2945 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
127 lines
5.1 KiB
HTML
127 lines
5.1 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(10,15),
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new OpenLayers.Geometry.Point(0,0)];
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function test_01_LineString_constructor (t) {
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t.plan( 3 );
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line = new OpenLayers.Geometry.LineString();
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t.ok( line instanceof OpenLayers.Geometry.LineString, "new OpenLayers.Geometry.LineString returns line object" );
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t.eq( line.CLASS_NAME, "OpenLayers.Geometry.LineString", "line.CLASS_NAME is set correctly");
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t.eq( line.components, [], "line.components is set correctly");
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}
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function test_01a_LineString_constructor (t) {
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t.plan( 3 );
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line = new OpenLayers.Geometry.LineString(components);
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t.ok( line instanceof OpenLayers.Geometry.LineString, "new OpenLayers.Geometry.LineString returns line object" );
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t.eq( line.CLASS_NAME, "OpenLayers.Geometry.LineString", "line.CLASS_NAME is set correctly");
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// TBD FIXME, recursion
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// t.eq( line.components, components, "line.components is set correctly");
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t.eq( line.components.length, 2, "line.components.length is set correctly");
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}
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function test_02_LineString_toString(t) {
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t.plan(1);
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line = new OpenLayers.Geometry.LineString(components);
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t.eq(line.toString(),
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"LINESTRING(10 15,0 0)",
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"toString() returns WKT");
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}
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function test_03_LineString_removeComponent(t) {
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t.plan(2);
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OpenLayers.Geometry.Collection.prototype._removeComponent =
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OpenLayers.Geometry.Collection.prototype.removeComponent;
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OpenLayers.Geometry.Collection.prototype.removeComponent =
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function(point) { g_removeComponent = point; };
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line = new OpenLayers.Geometry.LineString(components);
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g_removeComponent = null;
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line.removeComponent(components[0]);
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t.ok(g_removeComponent == null, "point not removed if only 2 points in components");
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line.components.push(new OpenLayers.Geometry.Point(4,4));
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line.removeComponent(components[0]);
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t.ok(g_removeComponent, components[0], "point removed if 3 points in components");
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OpenLayers.Geometry.Collection.prototype.removeComponent =
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OpenLayers.Geometry.Collection.prototype._removeComponent;
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}
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function test_04_LineString_move(t) {
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t.plan(4);
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var components = [new OpenLayers.Geometry.Point(10,15),
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new OpenLayers.Geometry.Point(0,0)];
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var line = new OpenLayers.Geometry.LineString(components);
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var x0 = components[0].x;
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var y0 = components[0].y;
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var x1 = components[1].x;
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var y1 = components[1].y;
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var dx = 10 * Math.random();
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var dy = 10 * Math.random();
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line.move(dx, dy);
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t.eq(line.components[0].x, x0 + dx, "move() correctly modifies first x");
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t.eq(line.components[0].y, y0 + dy, "move() correctly modifies first y");
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t.eq(line.components[1].x, x1 + dx, "move() correctly modifies second x");
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t.eq(line.components[1].y, y1 + dy, "move() correctly modifies second y");
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}
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function test_LineString_equals(t) {
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t.plan(3);
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var x0 = Math.random() * 100;
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var y0 = Math.random() * 100;
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var x1 = Math.random() * 100;
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var y1 = Math.random() * 100;
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var point0 = new OpenLayers.Geometry.Point(x0, y0);
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var point1 = new OpenLayers.Geometry.Point(x1, y1);
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var geometry = new OpenLayers.Geometry.LineString([point0, point1]);
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var equal = new OpenLayers.Geometry.LineString([point0, point1]);
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var offX = new OpenLayers.Geometry.LineString([
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new OpenLayers.Geometry.Point(x0 + 1, y0),
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new OpenLayers.Geometry.Point(x1 + 1, y1)]);
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var offY = new OpenLayers.Geometry.LineString([
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new OpenLayers.Geometry.Point(x0, y0 + 1),
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new OpenLayers.Geometry.Point(x1, y1 + 1)]);
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t.ok(geometry.equals(equal),
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"equals() returns true for a geometry with equivalent coordinates");
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t.ok(!geometry.equals(offX),
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"equals() returns false for a geometry with offset x");
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t.ok(!geometry.equals(offY),
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"equals() returns false for a geometry with offset y");
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}
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function test_LineString_clone(t) {
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t.plan(2);
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var x0 = Math.random() * 100;
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var y0 = Math.random() * 100;
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var x1 = Math.random() * 100;
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var y1 = Math.random() * 100;
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var point0 = new OpenLayers.Geometry.Point(x0, y0);
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var point1 = new OpenLayers.Geometry.Point(x1, y1);
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var geometry = new OpenLayers.Geometry.LineString([point0, point1]);
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var clone = geometry.clone();
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t.ok(clone instanceof OpenLayers.Geometry.LineString,
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"clone() creates an OpenLayers.Geometry.LineString");
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t.ok(geometry.equals(clone), "clone has equivalent coordinates");
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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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