5cc2445a6a
git-svn-id: http://svn.openlayers.org/trunk/openlayers@8840 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
225 lines
8.6 KiB
HTML
225 lines
8.6 KiB
HTML
<html>
|
|
<head>
|
|
<script src="../../lib/OpenLayers.js"></script>
|
|
<script type="text/javascript">
|
|
var line;
|
|
var components = [new OpenLayers.Geometry.Point(10,15),
|
|
new OpenLayers.Geometry.Point(0,0)];
|
|
|
|
function test_LineString_constructor (t) {
|
|
t.plan( 3 );
|
|
line = new OpenLayers.Geometry.LineString();
|
|
t.ok( line instanceof OpenLayers.Geometry.LineString, "new OpenLayers.Geometry.LineString returns line object" );
|
|
t.eq( line.CLASS_NAME, "OpenLayers.Geometry.LineString", "line.CLASS_NAME is set correctly");
|
|
t.eq( line.components, [], "line.components is set correctly");
|
|
}
|
|
|
|
function test_LineString_constructor (t) {
|
|
t.plan( 3 );
|
|
line = new OpenLayers.Geometry.LineString(components);
|
|
t.ok( line instanceof OpenLayers.Geometry.LineString, "new OpenLayers.Geometry.LineString returns line object" );
|
|
t.eq( line.CLASS_NAME, "OpenLayers.Geometry.LineString", "line.CLASS_NAME is set correctly");
|
|
// TBD FIXME, recursion
|
|
// t.eq( line.components, components, "line.components is set correctly");
|
|
t.eq( line.components.length, 2, "line.components.length is set correctly");
|
|
}
|
|
|
|
function test_LineString_toString(t) {
|
|
t.plan(1);
|
|
|
|
line = new OpenLayers.Geometry.LineString(components);
|
|
t.eq(line.toString(),
|
|
"LINESTRING(10 15,0 0)",
|
|
"toString() returns WKT");
|
|
}
|
|
|
|
function test_LineString_removeComponent(t) {
|
|
t.plan(2);
|
|
|
|
OpenLayers.Geometry.Collection.prototype._removeComponent =
|
|
OpenLayers.Geometry.Collection.prototype.removeComponent;
|
|
OpenLayers.Geometry.Collection.prototype.removeComponent =
|
|
function(point) { g_removeComponent = point; };
|
|
|
|
line = new OpenLayers.Geometry.LineString(components);
|
|
|
|
g_removeComponent = null;
|
|
line.removeComponent(components[0]);
|
|
t.ok(g_removeComponent == null, "point not removed if only 2 points in components");
|
|
|
|
line.components.push(new OpenLayers.Geometry.Point(4,4));
|
|
line.removeComponent(components[0]);
|
|
t.ok(g_removeComponent, components[0], "point removed if 3 points in components");
|
|
|
|
OpenLayers.Geometry.Collection.prototype.removeComponent =
|
|
OpenLayers.Geometry.Collection.prototype._removeComponent;
|
|
}
|
|
|
|
function test_LineString_move(t) {
|
|
t.plan(4);
|
|
|
|
var components = [new OpenLayers.Geometry.Point(10,15),
|
|
new OpenLayers.Geometry.Point(0,0)];
|
|
var line = new OpenLayers.Geometry.LineString(components);
|
|
|
|
var x0 = components[0].x;
|
|
var y0 = components[0].y;
|
|
var x1 = components[1].x;
|
|
var y1 = components[1].y;
|
|
|
|
var dx = 10 * Math.random();
|
|
var dy = 10 * Math.random();
|
|
line.move(dx, dy);
|
|
|
|
t.eq(line.components[0].x, x0 + dx, "move() correctly modifies first x");
|
|
t.eq(line.components[0].y, y0 + dy, "move() correctly modifies first y");
|
|
t.eq(line.components[1].x, x1 + dx, "move() correctly modifies second x");
|
|
t.eq(line.components[1].y, y1 + dy, "move() correctly modifies second y");
|
|
}
|
|
|
|
function test_LineString_rotate(t) {
|
|
t.plan(6);
|
|
|
|
var components = [new OpenLayers.Geometry.Point(10,15),
|
|
new OpenLayers.Geometry.Point(0,0)];
|
|
var geometry = new OpenLayers.Geometry.LineString(components);
|
|
|
|
var originals = [];
|
|
var comp;
|
|
var angle = 2 * Math.PI * Math.random();
|
|
var origin = new OpenLayers.Geometry.Point(10 * Math.random(),
|
|
10 * Math.random());
|
|
for(var i=0; i<geometry.components.length; ++i) {
|
|
comp = geometry.components[i];
|
|
originals[i] = comp.rotate;
|
|
comp.rotate = function(a, o) {
|
|
t.ok(true, "rotate called for component " + i);
|
|
t.ok(a == angle, "rotate called with correct angle");
|
|
t.ok(o == origin, "rotate called with correct origin");
|
|
}
|
|
}
|
|
geometry.rotate(angle, origin);
|
|
|
|
// restore the original rotate defs
|
|
for(var i=0; i<geometry.components.length; ++i) {
|
|
comp.rotate = originals[i];
|
|
}
|
|
}
|
|
|
|
function test_LineString_resize(t) {
|
|
t.plan(8);
|
|
|
|
var tolerance = 1e-10;
|
|
|
|
var components = [new OpenLayers.Geometry.Point(10 * Math.random(),
|
|
10 * Math.random()),
|
|
new OpenLayers.Geometry.Point(10 * Math.random(),
|
|
10 * Math.random())];
|
|
var geometry = new OpenLayers.Geometry.LineString(components);
|
|
|
|
var origin = new OpenLayers.Geometry.Point(10 * Math.random(),
|
|
10 * Math.random());
|
|
|
|
var scale = 10 * Math.random();
|
|
|
|
var oldLength = geometry.getLength();
|
|
var ret = geometry.resize(scale, origin);
|
|
t.ok(ret === geometry, "resize returns geometry");
|
|
var newLength = geometry.getLength();
|
|
t.ok((((newLength / oldLength) - scale) / scale) < tolerance,
|
|
"resize correctly changes the length of a linestring")
|
|
|
|
var originals = [];
|
|
var comp;
|
|
for(var i=0; i<geometry.components.length; ++i) {
|
|
comp = geometry.components[i];
|
|
originals[i] = comp.resize;
|
|
comp.resize = function(s, o) {
|
|
t.ok(true, "resize called for component " + i);
|
|
t.ok(s == scale, "resize called with correct scale");
|
|
t.ok(o == origin, "resize called with correct origin");
|
|
}
|
|
}
|
|
geometry.resize(scale, origin);
|
|
|
|
// restore the original resize defs
|
|
for(var i=0; i<geometry.components.length; ++i) {
|
|
comp.resize = originals[i];
|
|
}
|
|
|
|
}
|
|
|
|
function test_distanceTo(t) {
|
|
var wkt = OpenLayers.Geometry.fromWKT;
|
|
var geoms = [
|
|
wkt("POINT(0 0)"),
|
|
wkt("LINESTRING(-2 0, 0 -2, 2 -1, 2 0)")
|
|
];
|
|
|
|
var cases = [{
|
|
got: geoms[1].distanceTo(geoms[0]),
|
|
expected: Math.sqrt(2)
|
|
}, {
|
|
got: geoms[1].distanceTo(geoms[0], {details: true}),
|
|
expected: {
|
|
distance: Math.sqrt(2),
|
|
x0: -1, y0: -1,
|
|
x1: 0, y1: 0
|
|
}
|
|
}];
|
|
|
|
t.plan(cases.length);
|
|
for(var i=0; i<cases.length; ++i) {
|
|
t.eq(cases[i].got, cases[i].expected, "case " + i);
|
|
}
|
|
|
|
}
|
|
|
|
function test_LineString_equals(t) {
|
|
t.plan(3);
|
|
|
|
var x0 = Math.random() * 100;
|
|
var y0 = Math.random() * 100;
|
|
var x1 = Math.random() * 100;
|
|
var y1 = Math.random() * 100;
|
|
var point0 = new OpenLayers.Geometry.Point(x0, y0);
|
|
var point1 = new OpenLayers.Geometry.Point(x1, y1);
|
|
var geometry = new OpenLayers.Geometry.LineString([point0, point1]);
|
|
var equal = new OpenLayers.Geometry.LineString([point0, point1]);
|
|
var offX = new OpenLayers.Geometry.LineString([
|
|
new OpenLayers.Geometry.Point(x0 + 1, y0),
|
|
new OpenLayers.Geometry.Point(x1 + 1, y1)]);
|
|
var offY = new OpenLayers.Geometry.LineString([
|
|
new OpenLayers.Geometry.Point(x0, y0 + 1),
|
|
new OpenLayers.Geometry.Point(x1, y1 + 1)]);
|
|
t.ok(geometry.equals(equal),
|
|
"equals() returns true for a geometry with equivalent coordinates");
|
|
t.ok(!geometry.equals(offX),
|
|
"equals() returns false for a geometry with offset x");
|
|
t.ok(!geometry.equals(offY),
|
|
"equals() returns false for a geometry with offset y");
|
|
}
|
|
|
|
function test_LineString_clone(t) {
|
|
t.plan(2);
|
|
|
|
var x0 = Math.random() * 100;
|
|
var y0 = Math.random() * 100;
|
|
var x1 = Math.random() * 100;
|
|
var y1 = Math.random() * 100;
|
|
var point0 = new OpenLayers.Geometry.Point(x0, y0);
|
|
var point1 = new OpenLayers.Geometry.Point(x1, y1);
|
|
var geometry = new OpenLayers.Geometry.LineString([point0, point1]);
|
|
var clone = geometry.clone();
|
|
t.ok(clone instanceof OpenLayers.Geometry.LineString,
|
|
"clone() creates an OpenLayers.Geometry.LineString");
|
|
t.ok(geometry.equals(clone), "clone has equivalent coordinates");
|
|
}
|
|
|
|
|
|
</script>
|
|
</head>
|
|
<body>
|
|
</body>
|
|
</html>
|