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<html>
<head>
<script src="../OLLoader.js"></script>
<script type="text/javascript">
var lonlat;
function test_LonLat_constructor (t) {
t.plan( 6 );
lonlat = new OpenLayers.LonLat(6, 5);
t.ok( lonlat instanceof OpenLayers.LonLat, "new OpenLayers.LonLat returns LonLat object" );
t.eq( lonlat.CLASS_NAME, "OpenLayers.LonLat", "lonlat.CLASS_NAME is set correctly");
t.eq( lonlat.lon, 6, "lonlat.lon is set correctly");
t.eq( lonlat.lat, 5, "lonlat.lat is set correctly");
// possible global Mercator projection values
lonlat = new OpenLayers.LonLat(20037508.33999999, -20037508.33999999);
t.eq( lonlat.lon, 20037508.34, "lonlat.lon rounds correctly");
t.eq( lonlat.lat, -20037508.34, "lonlat.lat rounds correctly");
}
function test_LonLat_constructorFromStrings (t) {
t.plan( 4 );
lonlat = new OpenLayers.LonLat("6", "5");
t.ok( lonlat instanceof OpenLayers.LonLat, "new OpenLayers.LonLat returns LonLat object" );
t.eq( lonlat.CLASS_NAME, "OpenLayers.LonLat", "lonlat.CLASS_NAME is set correctly");
t.eq( lonlat.lon, 6, "lonlat.lon is set correctly");
t.eq( lonlat.lat, 5, "lonlat.lat is set correctly");
}
function test_LonLat_toString(t) {
t.plan( 1 );
lonlat = new OpenLayers.LonLat(5,6);
t.eq( lonlat.toString(), "lon=5,lat=6", "lonlat.toString() returns correctly");
}
function test_LonLat_toShortString(t) {
t.plan( 1 );
lonlat = new OpenLayers.LonLat(5,6);
t.eq( lonlat.toShortString(), "5, 6", "lonlat.toShortString() returns correctly");
}
function test_LonLat_clone(t) {
t.plan( 3 );
oldLonLat = new OpenLayers.LonLat(5,6);
lonlat = oldLonLat.clone();
t.ok( lonlat instanceof OpenLayers.LonLat, "clone returns new OpenLayers.LonLat object" );
t.ok( lonlat.equals(oldLonLat), "lonlat is set correctly");
oldLonLat.lon = 100;
t.eq( lonlat.lon, 5, "changing oldLonLat.lon doesn't change lonlat.lon");
}
function test_LonLat_add(t) {
t.plan(10);
origLL = new OpenLayers.LonLat(10,100);
lonlatA = origLL.clone();
addpx = lonlatA.add(5, 50);
t.ok( lonlatA.equals(origLL), "lonlatA is not modified by add operation");
var ll = new OpenLayers.LonLat(15,150);
t.ok( addpx.equals(ll), "addpx is set correctly");
//null values
OpenLayers.Lang.setCode('en');
var desiredMsg = "You must pass both lon and lat values to the add function.";
OpenLayers.Console.error = function(msg) {
t.eq(msg, desiredMsg, "error correctly reported");
}
addpx = lonlatA.add(null, 50);
t.ok( lonlatA.equals(origLL), "lonlatA is not modified by erroneous add operation (null lon)");
t.ok(addpx == null, "returns null on erroneous add operation (null lon)");
addpx = lonlatA.add(5, null);
t.ok( lonlatA.equals(origLL), "lonlatA is not modified by erroneous add operation (null lat)");
t.ok(addpx == null, "returns null on erroneous add operation (null lat)");
// string values
addpx = origLL.clone().add("5", "50");
t.eq(addpx.lon, 15, "addpx.lon is set correctly");
t.eq(addpx.lat, 150, "addpx.lat is set correctly");
}
function test_LonLat_equals(t) {
t.plan( 5 );
lonlat = new OpenLayers.LonLat(5,6);
ll = new OpenLayers.LonLat(5,6);
t.eq( lonlat.equals(ll), true, "(5,6) equals (5,6)");
ll = new OpenLayers.LonLat(1,6);
t.eq( lonlat.equals(ll), false, "(5,6) does not equal (1,6)");
ll = new OpenLayers.LonLat(5,2);
t.eq( lonlat.equals(ll), false, "(5,6) does not equal (5,2)");
ll = new OpenLayers.LonLat(1,2);
t.eq( lonlat.equals(ll), false, "(5,6) does not equal (1,2)");
t.ok( !lonlat.equals(null), "equals() returns false on comparison to null");
}
function test_LonLat_fromString(t) {
t.plan( 2 );
lonlat = OpenLayers.LonLat.fromString("6,5");
t.ok( lonlat instanceof OpenLayers.LonLat, "OpenLayers.LonLat.fromString() returns LonLat object" );
var ll = new OpenLayers.LonLat(6, 5);
t.ok( lonlat.equals(ll), "lonlat is set correctly");
}
function test_LonLat_fromArray(t) {
t.plan( 3 );
// (1 test) must return a OpenLayers.LonLat-instance
lonlat = OpenLayers.LonLat.fromArray([6,5]);
t.ok( lonlat instanceof OpenLayers.LonLat, "OpenLayers.LonLat.fromArray returns LonLat object" );
var ll = new OpenLayers.LonLat(6, 5);
// (1 test) must return correct LonLat-object
t.ok( lonlat.equals(ll), "lonlat is set correctly");
// (1 test) check how function deals with illegal arguments, it should
// never throw an exception and always return an instance of
// OpenLayers.LonLat.
var unexpectedResult = false,
undef,
checkArgs = [
{},
'',
6,
false,
true,
[undef, 5],
[6, undef]
],
returnedVal;
try {
for(var i = 0, len = checkArgs.length; i < len; i++ ){
returnedVal = OpenLayers.LonLat.fromArray( checkArgs[i] );
if (!(returnedVal instanceof OpenLayers.LonLat) ) {
unexpectedResult = true;
break;
}
}
// no arguments at all
returnedVal = OpenLayers.LonLat.fromArray();
unexpectedResult = !(returnedVal instanceof OpenLayers.LonLat);
} catch(e) {
unexpectedResult = true;
} finally {
t.ok(!unexpectedResult, "OpenLayers.LonLat.fromArray always returns an instance of OpenLayers.LonLat and doesn't throw an exception when called with unexpected argument.");
}
}
function test_LonLat_transform(t) {
t.plan( 6 );
lonlat = new OpenLayers.LonLat(10, -10);
lonlat.transform(new OpenLayers.Projection("foo"), new OpenLayers.Projection("Bar"));
t.eq(lonlat.lon, 10, "lon for null transform is the same")
t.eq(lonlat.lat, -10, "lat for null transform is the same")
lonlat.transform(new OpenLayers.Projection("EPSG:4326"), new OpenLayers.Projection("EPSG:900913"));
t.eq(Math.round(lonlat.lon), 1113195, "lon for spherical mercator transform is correct");
t.eq(Math.round(lonlat.lat), -1118890, "lat for spherical mercator correct")
lonlat.transform(new OpenLayers.Projection("EPSG:900913"), new OpenLayers.Projection("EPSG:4326"));
t.eq(lonlat.lon, 10, "lon for inverse spherical mercator transform is correct");
t.eq(Math.round(lonlat.lat), -10, "lat for inverse spherical mercator correct")
}
function test_LonLat_wrapDateLine(t) {
t.plan( 6 );
var goodLL = new OpenLayers.LonLat(0,0);
var testLL, wrappedLL;
//bad maxextent
var maxExtent = null;
testLL = goodLL.clone();
wrappedLL = testLL.wrapDateLine(maxExtent);
t.ok(wrappedLL.equals(goodLL), "wrapping a ll with a bad maxextent does nothing");
//good maxextent
maxExtent = new OpenLayers.Bounds(-10,-10,10,10);
//inside
testLL = goodLL.clone();
wrappedLL = testLL.wrapDateLine(maxExtent);
t.ok(wrappedLL.equals(goodLL), "wrapping a ll within the maxextent does nothing");
//left
testLL = goodLL.add(-20,0);
wrappedLL = testLL.wrapDateLine(maxExtent);
t.ok(wrappedLL.equals(goodLL), "wrapping a ll once left of maxextent works");
//way left
testLL = goodLL.add(-200,0);
wrappedLL = testLL.wrapDateLine(maxExtent);
t.ok(wrappedLL.equals(goodLL), "wrapping a ll way left of maxextent works");
//right
testLL = goodLL.add(20,0);
wrappedLL = testLL.wrapDateLine(maxExtent);
t.ok(wrappedLL.equals(goodLL), "wrapping a ll once right of maxextent works");
//way right
testLL = goodLL.add(200,0);
wrappedLL = testLL.wrapDateLine(maxExtent);
t.ok(wrappedLL.equals(goodLL), "wrapping a ll way right of maxextent works");
}
</script>
</head>
<body>
</body>
</html>
|
