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b46a51307713cd32efea79045d89c814d15bccd3
openlayers/tests/test_Bounds.html
crschmidt 8dfb4c3ce9 Add rounding support to the default toBBOX() call. Now, toBBOX() will by 
default return values which are rounded to 6 decimal places. If you wish more
or less accuracy, you can change it by passing a numeric argument with the
accuracy you want to toBBOX(), and that accuracy will be used instead. Updated
tests to test rounding to various levels. This functionality should help 
prevent different browsers from hitting different caches. At the equator, this
rounding difference is only 4", and smaller as you head towards the poles.   


git-svn-id: http://svn.openlayers.org/trunk/openlayers@1558 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
2006-10-04 14:05:34 +00:00

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<html>
<head>
<script src="../lib/OpenLayers.js"></script>
<script type="text/javascript"><!--
var bounds;
function test_01_Bounds_constructor (t) {
t.plan( 11 );
bounds = new OpenLayers.Bounds(0,2,10,4);
t.ok( bounds instanceof OpenLayers.Bounds, "new OpenLayers.Bounds returns Bounds object" );
t.eq( bounds.CLASS_NAME, "OpenLayers.Bounds", "bounds.CLASS_NAME is set correctly" );
t.eq( bounds.left, 0, "bounds.left is set correctly" );
t.eq( bounds.bottom, 2, "bounds.bottom is set correctly" );
t.eq( bounds.right, 10, "bounds.right is set correctly" );
t.eq( bounds.top, 4, "bounds.top is set correctly" );
t.eq( bounds.getWidth(), 10, "bounds.getWidth() returns correct value" );
t.eq( bounds.getHeight(), 2, "bounds.getHeight() returns correct value" );
var sz = bounds.getSize();
var size = new OpenLayers.Size(10,2);
t.ok(sz.equals(size),"bounds.getSize() has correct value" );
var center = new OpenLayers.Pixel(5,3);
var boundsCenter = bounds.getCenterPixel();
t.ok( boundsCenter.equals(center), "bounds.getCenterLonLat() has correct value" );
var center = new OpenLayers.LonLat(5,3);
var boundsCenter = bounds.getCenterLonLat();
t.ok( boundsCenter.equals(center), "bounds.getCenterLonLat() has correct value" );
}
function test_01a_Bounds_constructorFromStrings(t) {
t.plan( 6 );
bounds = new OpenLayers.Bounds("0","2","10","4");
t.ok( bounds instanceof OpenLayers.Bounds, "new OpenLayers.Bounds returns Bounds object" );
t.eq( bounds.CLASS_NAME, "OpenLayers.Bounds", "bounds.CLASS_NAME is set correctly" );
t.eq( bounds.left, 0, "bounds.left is set correctly" );
t.eq( bounds.bottom, 2, "bounds.bottom is set correctly" );
t.eq( bounds.right, 10, "bounds.right is set correctly" );
t.eq( bounds.top, 4, "bounds.top is set correctly" );
}
function test_02_Bounds_toBBOX(t) {
t.plan( 5 );
bounds = new OpenLayers.Bounds(1,2,3,4);
t.eq( bounds.toBBOX(), "1,2,3,4", "toBBOX() returns correct value." );
bounds = new OpenLayers.Bounds(1.00000001,2,3,4);
t.eq( bounds.toBBOX(), "1,2,3,4", "toBBOX() rounds off small differences." );
bounds = new OpenLayers.Bounds(1.00000001,2.5,3,4);
t.eq( bounds.toBBOX(), "1,2.5,3,4", "toBBOX() returns correct value. for a half number" );
bounds = new OpenLayers.Bounds(1,2.5555555,3,4);
t.eq( bounds.toBBOX(), "1,2.555556,3,4", "toBBOX() rounds to correct value." );
bounds = new OpenLayers.Bounds(1,2.5555555,3,4);
t.eq( bounds.toBBOX(1), "1,2.6,3,4", "toBBOX() rounds to correct value with power provided." );
bounds = new OpenLayers.Bounds(1,2.5555555,3,4);
}
function test_03_Bounds_toString(t) {
t.plan( 1 );
bounds = new OpenLayers.Bounds(1,2,3,4);
t.eq( bounds.toString(), "left-bottom=(1,2) right-top=(3,4)", "toString() returns correct value." );
}
function test_04_Bounds_contains(t) {
t.plan( 6 );
bounds = new OpenLayers.Bounds(10,10,40,40);
t.eq( bounds.contains(20,20), true, "bounds(10,10,40,40) correctly contains LonLat(20,20)" );
t.eq( bounds.contains(0,0), false, "bounds(10,10,40,40) correctly does not contain LonLat(0,0)" );
t.eq( bounds.contains(40,40), true, "bounds(10,10,40,40) correctly contains LonLat(40,40) with inclusive set to true" );
t.eq( bounds.contains(40,40, false), false, "bounds(10,10,40,40) correctly does not contain LonLat(40,40) with inclusive set to false" );
var px = new OpenLayers.Pixel(15,30);
t.eq( bounds.containsPixel(px), bounds.contains(px.x, px.y), "containsPixel works");
var ll = new OpenLayers.LonLat(15,30);
t.eq( bounds.containsLonLat(ll), bounds.contains(ll.lon, ll.lat), "containsLonLat works");
}
function test_05_Bounds_fromString(t) {
t.plan( 10 );
bounds = OpenLayers.Bounds.fromString("1,2,3,4");
t.ok( bounds instanceof OpenLayers.Bounds, "new OpenLayers.Bounds returns Bounds object" );
t.eq( bounds.left, 1, "bounds.left is set correctly" );
t.eq( bounds.bottom, 2, "bounds.bottom is set correctly" );
t.eq( bounds.right, 3, "bounds.right is set correctly" );
t.eq( bounds.top, 4, "bounds.top is set correctly" );
bounds = OpenLayers.Bounds.fromString("1.1,2.2,3.3,4.4");
t.ok( bounds instanceof OpenLayers.Bounds, "new OpenLayers.Bounds returns Bounds object" );
t.eq( bounds.left, 1.1, "bounds.left is set correctly" );
t.eq( bounds.bottom, 2.2, "bounds.bottom is set correctly" );
t.eq( bounds.right, 3.3, "bounds.right is set correctly" );
t.eq( bounds.top, 4.4, "bounds.top is set correctly" );
}
function test_06_Bounds_getSize(t) {
t.plan( 1 );
var bounds = new OpenLayers.Bounds(0,10,100,120);
t.ok( bounds.getSize().equals(new OpenLayers.Size(100, 110)), "getCenterPixel() works correctly");
}
function test_07_Bounds_clone(t) {
t.plan( 6 );
var oldBounds = new OpenLayers.Bounds(1,2,3,4);
var bounds = oldBounds.clone();
t.ok( bounds instanceof OpenLayers.Bounds, "clone returns new OpenLayers.Bounds object" );
t.eq( bounds.left, 1, "bounds.left is set correctly" );
t.eq( bounds.bottom, 2, "bounds.bottom is set correctly" );
t.eq( bounds.right, 3, "bounds.right is set correctly" );
t.eq( bounds.top, 4, "bounds.top is set correctly" );
oldBounds.left = 100;
t.eq( bounds.left, 1, "changing olBounds.left does not change bounds.left" );
}
function test_08a_Bounds_intersectsBounds(t) {
t.plan( 17 );
var aBounds = new OpenLayers.Bounds(-180, -90, 180, 90);
//inside
var bBounds = new OpenLayers.Bounds(-20, -10, 20, 10);
var cBounds = new OpenLayers.Bounds(-181,-90,180,90);
t.eq( aBounds.intersectsBounds(bBounds), true, "(" + aBounds.toBBOX() + ") correctly intersects (" + bBounds.toBBOX() + ")" );
t.eq( aBounds.intersectsBounds(bBounds, true), true, "(" + aBounds.toBBOX() + ") correctly intersects (" + bBounds.toBBOX() + "), inclusive is true" );
t.eq( aBounds.intersectsBounds(bBounds, false), true, "(" + aBounds.toBBOX() + ") correctly intersects (" + bBounds.toBBOX() + "), inclusive is false" );
t.eq( aBounds.intersectsBounds(cBounds, false), true, "aBounds with cBounds adjusted one degree left passes intersect bounds. (3 sides match, 1 side different)." );
t.eq( cBounds.intersectsBounds(aBounds, false), true, "cBounds with aBounds adjusted one degree left passes intersect bounds. (3 sides match, 1 side different)." );
//outside
bBounds = new OpenLayers.Bounds(-181, -91, 181, 91);
t.eq( aBounds.intersectsBounds(bBounds), true, "(" + aBounds.toBBOX() + ") correctly intersects (" + bBounds.toBBOX() + ")" );
t.eq( aBounds.intersectsBounds(bBounds, true), true, "(" + aBounds.toBBOX() + ") correctly intersects (" + bBounds.toBBOX() + "), inclusive is true" );
t.eq( aBounds.intersectsBounds(bBounds, false), true, "(" + aBounds.toBBOX() + ") correctly intersects (" + bBounds.toBBOX() + "), inclusive is false" );
//total intersect
bBounds = new OpenLayers.Bounds(-185, -100, 20, 50);
t.eq( aBounds.intersectsBounds(bBounds), true, "(" + aBounds.toBBOX() + ") correctly intersects (" + bBounds.toBBOX() + ")" );
t.eq( aBounds.intersectsBounds(bBounds, true), true, "(" + aBounds.toBBOX() + ") correctly intersects (" + bBounds.toBBOX() + "), inclusive is true" );
t.eq( aBounds.intersectsBounds(bBounds, false), true, "(" + aBounds.toBBOX() + ") correctly intersects (" + bBounds.toBBOX() + "), inclusive is false" );
//border intersect
bBounds = new OpenLayers.Bounds(-360, -180, -180, -90);
t.eq( aBounds.intersectsBounds(bBounds), true, "(" + aBounds.toBBOX() + ") correctly intersects (" + bBounds.toBBOX() + ")" );
t.eq( aBounds.intersectsBounds(bBounds, true), true, "(" + aBounds.toBBOX() + ") correctly intersects (" + bBounds.toBBOX() + "), inclusive is true" );
t.eq( aBounds.intersectsBounds(bBounds, false), false, "(" + aBounds.toBBOX() + ") does not intersect (" + bBounds.toBBOX() + "), inclusive is false" );
//no intersect
bBounds = new OpenLayers.Bounds(-360, -180, -185, -95);
t.eq( aBounds.intersectsBounds(bBounds), false, "(" + aBounds.toBBOX() + ") does not intersect (" + bBounds.toBBOX() + ")" );
t.eq( aBounds.intersectsBounds(bBounds, true), false, "(" + aBounds.toBBOX() + ") does not intersect (" + bBounds.toBBOX() + "), inclusive is true" );
t.eq( aBounds.intersectsBounds(bBounds, false), false, "(" + aBounds.toBBOX() + ") does not intersect (" + bBounds.toBBOX() + "), inclusive is false" );
}
function test_08b_Bounds_containsBounds(t) {
t.plan( 35 );
containerBounds = new OpenLayers.Bounds(10,10,40,40);
//totally outside
bounds = new OpenLayers.Bounds(0,0,5,5);
t.eq( containerBounds.containsBounds(bounds) , false, "(" + containerBounds.toBBOX() + ") correctly does not contain (" + bounds.toBBOX() + ")");
t.eq( containerBounds.containsBounds(bounds, false) , false, "(" + containerBounds.toBBOX() + ") correctly does not contain (" + bounds.toBBOX() + ") when partial is false" );
t.eq( containerBounds.containsBounds(bounds, false, true) , false, "(" + containerBounds.toBBOX() + ") correctly does not contain (" + bounds.toBBOX() + ") when partial is false, inclusive is true" );
t.eq( containerBounds.containsBounds(bounds, false, false), false, "(" + containerBounds.toBBOX() + ") correctly does not contain (" + bounds.toBBOX() + ") when partial is false, inclusive is false" );
t.eq( containerBounds.containsBounds(bounds, true) , false , "(" + containerBounds.toBBOX() + ") correctly does not contain (" + bounds.toBBOX() + ") when partial is true" );
t.eq( containerBounds.containsBounds(bounds, true, true) , false, "(" + containerBounds.toBBOX() + ") correctly does not contain (" + bounds.toBBOX() + ") when partial is true, inclusive is true" );
t.eq( containerBounds.containsBounds(bounds, true, false) , false, "(" + containerBounds.toBBOX() + ") correctly does not contain (" + bounds.toBBOX() + ") when partial is true, inclusive is false" );
//totally outside on border
bounds = new OpenLayers.Bounds(15,0,30,10);
t.eq( containerBounds.containsBounds(bounds) , false, "(" + containerBounds.toBBOX() + ") correctly does not contain (" + bounds.toBBOX() + ")");
t.eq( containerBounds.containsBounds(bounds, false) , false, "(" + containerBounds.toBBOX() + ") correctly does not contain (" + bounds.toBBOX() + ") when partial is false" );
t.eq( containerBounds.containsBounds(bounds, false, true) , false, "(" + containerBounds.toBBOX() + ") correctly does not contain (" + bounds.toBBOX() + ") when partial is false, inclusive is true" );
t.eq( containerBounds.containsBounds(bounds, false, false), false, "(" + containerBounds.toBBOX() + ") correctly does not contain (" + bounds.toBBOX() + ") when partial is false, inclusive is false" );
t.eq( containerBounds.containsBounds(bounds, true) , true, "(" + containerBounds.toBBOX() + ") correctly contains (" + bounds.toBBOX() + ") when partial is true" );
t.eq( containerBounds.containsBounds(bounds, true, true) , true, "(" + containerBounds.toBBOX() + ") correctly contains (" + bounds.toBBOX() + ") when partial is true, inclusive is true" );
t.eq( containerBounds.containsBounds(bounds, true, false) , false, "(" + containerBounds.toBBOX() + ") correctly does not contain (" + bounds.toBBOX() + ") when partial is true, inclusive is false" );
//partially inside
bounds = new OpenLayers.Bounds(20,20,50,30);
t.eq( containerBounds.containsBounds(bounds) , false, "(" + containerBounds.toBBOX() + ") correctly does not contain (" + bounds.toBBOX() + ")");
t.eq( containerBounds.containsBounds(bounds, false) , false, "(" + containerBounds.toBBOX() + ") correctly does not contain (" + bounds.toBBOX() + ") when partial is false" );
t.eq( containerBounds.containsBounds(bounds, false, true) , false, "(" + containerBounds.toBBOX() + ") correctly does not contain (" + bounds.toBBOX() + ") when partial is false, inclusive is true" );
t.eq( containerBounds.containsBounds(bounds, false, false), false, "(" + containerBounds.toBBOX() + ") correctly does not contain (" + bounds.toBBOX() + ") when partial is false, inclusive is false" );
t.eq( containerBounds.containsBounds(bounds, true) , true, "(" + containerBounds.toBBOX() + ") correctly contains (" + bounds.toBBOX() + ") when partial is true" );
t.eq( containerBounds.containsBounds(bounds, true, true) , true, "(" + containerBounds.toBBOX() + ") correctly contains (" + bounds.toBBOX() + ") when partial is true, inclusive is true" );
t.eq( containerBounds.containsBounds(bounds, true, false) , true, "(" + containerBounds.toBBOX() + ") correctly contains (" + bounds.toBBOX() + ") when partial is true, inclusive is false" );
//totally inside on border
bounds = new OpenLayers.Bounds(10,20,30,30);
t.eq( containerBounds.containsBounds(bounds) , true, "(" + containerBounds.toBBOX() + ") correctly contains (" + bounds.toBBOX() + ")");
t.eq( containerBounds.containsBounds(bounds, false) , true, "(" + containerBounds.toBBOX() + ") correctly contains (" + bounds.toBBOX() + ") when partial is false" );
t.eq( containerBounds.containsBounds(bounds, false, true) , true, "(" + containerBounds.toBBOX() + ") correctly contains (" + bounds.toBBOX() + ") when partial is false, inclusive is true" );
t.eq( containerBounds.containsBounds(bounds, false, false), false, "(" + containerBounds.toBBOX() + ") correctly does not contain (" + bounds.toBBOX() + ") when partial is false, inclusive is false" );
t.eq( containerBounds.containsBounds(bounds, true) , true, "(" + containerBounds.toBBOX() + ") correctly contains (" + bounds.toBBOX() + ") when partial is true" );
t.eq( containerBounds.containsBounds(bounds, true, true) , true, "(" + containerBounds.toBBOX() + ") correctly contains (" + bounds.toBBOX() + ") when partial is true, inclusive is true" );
t.eq( containerBounds.containsBounds(bounds, true, false) , true, "(" + containerBounds.toBBOX() + ") correctly contains (" + bounds.toBBOX() + ") when partial is true, inclusive is false" );
//totally inside
bounds = new OpenLayers.Bounds(20,20,30,30);
t.eq( containerBounds.containsBounds(bounds) , true, "(" + containerBounds.toBBOX() + ") correctly contains (" + bounds.toBBOX() + ")");
t.eq( containerBounds.containsBounds(bounds, false) , true, "(" + containerBounds.toBBOX() + ") correctly contains (" + bounds.toBBOX() + ") when partial is false" );
t.eq( containerBounds.containsBounds(bounds, false, true) , true, "(" + containerBounds.toBBOX() + ") correctly contains (" + bounds.toBBOX() + ") when partial is false, inclusive is true" );
t.eq( containerBounds.containsBounds(bounds, false, false), true, "(" + containerBounds.toBBOX() + ") correctly contains (" + bounds.toBBOX() + ") when partial is false, inclusive is false" );
t.eq( containerBounds.containsBounds(bounds, true) , true, "(" + containerBounds.toBBOX() + ") correctly contains (" + bounds.toBBOX() + ") when partial is true" );
t.eq( containerBounds.containsBounds(bounds, true, true) , true, "(" + containerBounds.toBBOX() + ") correctly contains (" + bounds.toBBOX() + ") when partial is true, inclusive is true" );
t.eq( containerBounds.containsBounds(bounds, true, false) , true, "(" + containerBounds.toBBOX() + ") correctly contains (" + bounds.toBBOX() + ") when partial is true, inclusive is false" );
}
function test_09_Bounds_determineQuadrant(t) {
t.plan( 4 );
var bounds = new OpenLayers.Bounds(0,0,100,100);
var tl = new OpenLayers.LonLat(25, 75);
var tr = new OpenLayers.LonLat(75, 75);
var bl = new OpenLayers.LonLat(25, 25);
var br = new OpenLayers.LonLat(75, 25);
t.eq( bounds.determineQuadrant(tl), "tl", "bounds.determineQuadrant correctly identifies a coordinate in the top left quadrant");
t.eq( bounds.determineQuadrant(tr), "tr", "bounds.determineQuadrant correctly identifies a coordinate in the top right quadrant");
t.eq( bounds.determineQuadrant(bl), "bl", "bounds.determineQuadrant correctly identifies a coordinate in the bottom left quadrant");
t.eq( bounds.determineQuadrant(br), "br", "bounds.determineQuadrant correctly identifies a coordinate in the bottom right quadrant");
}
function test_10_Bounds_oppositeQuadrant(t) {
t.plan( 4 );
t.eq( OpenLayers.Bounds.oppositeQuadrant("tl"), "br", "OpenLayers.Bounds.oppositeQuadrant returns 'br' for 'tl'");
t.eq( OpenLayers.Bounds.oppositeQuadrant("tr"), "bl", "OpenLayers.Bounds.oppositeQuadrant returns 'bl' for 'tr'");
t.eq( OpenLayers.Bounds.oppositeQuadrant("bl"), "tr", "OpenLayers.Bounds.oppositeQuadrant returns 'tr' for 'bl'");
t.eq( OpenLayers.Bounds.oppositeQuadrant("br"), "tl", "OpenLayers.Bounds.oppositeQuadrant returns 'tl' for 'br'");
}
function test_11_Bounds_equals(t) {
t.plan( 3 );
var boundsA = new OpenLayers.Bounds(1,2,3,4);
var boundsB = new OpenLayers.Bounds(1,2,3,4);
var boundsC = new OpenLayers.Bounds(1,5,3,4);
t.ok( boundsA.equals(boundsB), "equals() returns true on two equal bounds." );
t.ok( !boundsA.equals(boundsC), "equals() returns false on two different bounds." );
t.ok( !boundsA.equals(null), "equals() returns false on comparison to null");
}
function test_12_Bounds_getHeight_getWidth(t) {
t.plan( 2 );
var bounds = new OpenLayers.Bounds(10,20,100,120);
t.eq( bounds.getWidth(), 90, "getWidth() works" );
t.eq( bounds.getHeight(), 100, "getHeight() works" );
}
function test_13_Bounds_getCenters(t) {
t.plan( 2 );
var bounds = new OpenLayers.Bounds(0,20,100,120);
t.ok( bounds.getCenterPixel().equals(new OpenLayers.Pixel(50, 70)), "getCenterPixel() works correctly");
t.ok( bounds.getCenterLonLat().equals(new OpenLayers.LonLat(50, 70)), "getCenterLonLat() works correctly");
}
function test_14_Bounds_fromArray(t) {
t.plan( 5 );
var bbox = [1,2,3,4];
bounds = OpenLayers.Bounds.fromArray(bbox);
t.ok( bounds instanceof OpenLayers.Bounds, "new OpenLayers.Bounds returns Bounds object" );
t.eq( bounds.left, 1, "bounds.left is set correctly" );
t.eq( bounds.bottom, 2, "bounds.bottom is set correctly" );
t.eq( bounds.right, 3, "bounds.right is set correctly" );
t.eq( bounds.top, 4, "bounds.top is set correctly" );
}
function test_14_Bounds_fromSize(t) {
t.plan( 5 );
var height = 15;
var width = 16;
var size = new OpenLayers.Size(width, height);
bounds = OpenLayers.Bounds.fromSize(size);
t.ok( bounds instanceof OpenLayers.Bounds, "new OpenLayers.Bounds returns Bounds object" );
t.eq( bounds.left, 0, "bounds.left is set correctly" );
t.eq( bounds.bottom, height, "bounds.bottom is set correctly" );
t.eq( bounds.right, width, "bounds.right is set correctly" );
t.eq( bounds.top, 0, "bounds.top is set correctly" );
}
// -->
</script>
</head>
<body>
</body>
</html>
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