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8df8106a516c536e521a072559d46b51ba1abe9c
openlayers/tests/Util.html
Schuyler Erle e89774d568 Fix #1951 by rounding all floats passed to Bounds.initialize() and 
LonLat.initialize() to 14 significant figures.

Added an OpenLayers.Util.toFloat() function, and changed the LonLat constructor
and the Bounds constructor to truncate all float parameters to 14 significant
figures to avoid numeric comparison errors caused by floating point precision
loss. See the comments around the definition of
OpenLayers.Util.DEFAULT_PRECISION for how it works.

Also refactored Bounds.intersectBounds() for readability, and added a
Bounds.touchesBounds() in the process. After tweaking the tests for
Layer.SphericalMercator and Format.WKT (because they were expecting too many
significant figures), all tests pass.



git-svn-id: http://svn.openlayers.org/trunk/openlayers@9022 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
2009-03-11 22:45:32 +00:00

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<html>
<head>
<script src="../lib/OpenLayers.js"></script>
<script type="text/javascript">
var isMozilla = (navigator.userAgent.indexOf("compatible") == -1);
var map;
function test_Util_getImagesLocation (t) {
t.plan( 1 );
t.ok( OpenLayers.Util.getImagesLocation(), "../img/",
"getImagesLocation()" );
}
function test_Util_Array(t) {
t.plan( 2 );
var array = new Array(1,2,3,4,4,5);
OpenLayers.Util.removeItem(array, 3);
t.eq( array.toString(), "1,2,4,4,5", "Util.removeItem works on one element");
OpenLayers.Util.removeItem(array, 4);
t.eq( array.toString(), "1,2,5", "Util.removeItem works on more than one element ");
}
function test_Util_pagePosition(t) {
t.plan( 1 );
var pp = OpenLayers.Util.pagePosition(window);
t.eq( pp.toString(), "0,0", "Page position doesn't bail if passed 'window'")
}
function test_Util_createDiv(t) {
t.plan( 24 );
var id = "boo";
var px = new OpenLayers.Pixel(5,5);
var sz = new OpenLayers.Size(10,10);
var img = "http://www.openlayers.org/images/OpenLayers.trac.png";
var position = "absolute";
var border = "13px solid";
var overflow = "hidden";
var opacity = 0.5;
var div = OpenLayers.Util.createDiv(id, px, sz, img, position, border, overflow, opacity);
if (!isMozilla)
t.ok( true, "skipping element test outside of Mozilla");
else
t.ok( div instanceof HTMLDivElement, "createDiv creates a valid HTMLDivElement" );
t.eq( div.id, id, "div.id set correctly");
t.eq( div.style.left, px.x + "px", "div.style.left set correctly");
t.eq( div.style.top, px.y + "px", "div.style.top set correctly");
t.eq( div.style.width, sz.w + "px", "div.style.width set correctly");
t.eq( div.style.height, sz.h + "px", "div.style.height set correctly");
bImg = div.style.backgroundImage;
imgCorrect = ( (bImg == "url(" + img + ")") ||
(bImg == "url(\"" + img + "\")") );
t.ok(imgCorrect, "div.style.backgroundImage correctly");
t.eq( div.style.position, position, "div.style.positionset correctly");
//Safari 3 separates the border style into separate entities when reading it
if (OpenLayers.Util.getBrowserName() == 'safari') {
var s = border.split(' ');
t.ok(div.style.borderTopWidth == s[0] && div.style.borderTopStyle == s[1], "good default popup.border")
} else {
t.ok( (div.style.border.indexOf(border) != -1), "div.style.border set correctly");
}
//Safari 3 separates style overflow into overflow-x and overflow-y
var prop = (OpenLayers.Util.getBrowserName() == 'safari') ? 'overflowX' : 'overflow';
t.eq( div.style[prop], overflow, "div.style.overflow set correctly");
t.eq( parseFloat(div.style.opacity), opacity, "element.style.opacity set correctly");
//Safari 3 returns null for this value, which is okay
var filterString = (OpenLayers.Util.getBrowserName() == 'safari') ? null : 'alpha(opacity=' + (opacity * 100) + ')';
t.eq( div.style.filter, filterString, "element.style.filter set correctly");
//test defaults
var div = OpenLayers.Util.createDiv();
if (!isMozilla)
t.ok( true, "skipping element test outside of Mozilla");
else
t.ok( div instanceof HTMLDivElement, "createDiv creates a valid HTMLDivElement" );
t.ok( (div.id != ""), "div.id set correctly");
t.eq(div.style.left, "", "div.style.left set correctly");
t.eq(div.style.top, "", "div.style.top set correctly");
t.eq( div.style.width, "", "div.style.width set correctly");
t.eq( div.style.height, "", "div.style.height set correctly");
t.eq(div.style.backgroundImage, "", "div.style.backgroundImage correctly");
t.eq( div.style.position, "absolute", "div.style.positionset correctly");
//Safari 3 separates the border style into separate entities when reading it
if (OpenLayers.Util.getBrowserName() == 'safari') {
t.ok(div.style.borderTopWidth == '' && div.style.borderTopStyle == '', "good default popup.border")
} else {
t.eq( div.style.border, "", "div.style.border set correctly");
}
//Safari 3 separates style overflow into overflow-x and overflow-y
var prop = (OpenLayers.Util.getBrowserName() == 'safari') ? 'overflowX' : 'overflow';
t.eq(div.style[prop], "", "div.style.overflow set correctly");
t.ok( !div.style.opacity, "element.style.opacity set correctly");
t.ok( !div.style.filter, "element.style.filter set correctly");
}
function test_Util_createImage(t) {
t.plan( 22 );
var img = "http://www.openlayers.org/images/OpenLayers.trac.png";
var sz = new OpenLayers.Size(10,10);
var xy = new OpenLayers.Pixel(5,5);
var position = "absolute";
var id = "boo";
var border = "1px solid";
var opacity = 0.5;
var image = OpenLayers.Util.createImage(id, xy, sz, img, position, border, opacity);
if (!isMozilla)
t.ok( true, "skipping element test outside of Mozilla");
else
t.ok( image.nodeName == "IMG", "createImage creates a valid HTMLImageElement" );
t.eq( image.id, id, "image.id set correctly");
t.eq( image.style.left, xy.x + "px", "image.style.left set correctly");
t.eq( image.style.top, xy.y + "px", "image.style.top set correctly");
t.eq( image.style.width, sz.w + "px", "image.style.width set correctly");
t.eq( image.style.height, sz.h + "px", "image.style.height set correctly");
//Safari 3 separates the border style into separate entities when reading it
if (OpenLayers.Util.getBrowserName() == 'safari') {
var s = border.split(' ');
t.ok(image.style.borderTopWidth == s[0] && image.style.borderTopStyle == s[1], "good default popup.border")
} else {
t.ok( (image.style.border.indexOf(border) != -1), "image.style.border set correctly");
}
t.eq( image.src, img, "image.style.backgroundImage correctly");
t.eq( image.style.position, position, "image.style.position set correctly");
t.eq( parseFloat(image.style.opacity), opacity, "image.style.opacity set correctly");
//Safari 3 returns null for this value, which is okay
var filterString = (OpenLayers.Util.getBrowserName() == 'safari') ? null : 'alpha(opacity=' + (opacity * 100) + ')';
t.eq( image.style.filter, filterString, "element.style.filter set correctly");
//test defaults
var image = OpenLayers.Util.createImage();
if (!isMozilla)
t.ok( true, "skipping element test outside of Mozilla");
else
t.ok( image.nodeName == "IMG", "createDiv creates a valid HTMLDivElement" );
t.ok( (image.id != ""), "image.id set to something");
t.eq( image.style.left, "", "image.style.left set correctly");
t.eq( image.style.top, "", "image.style.top set correctly");
t.eq( image.style.width, "", "image.style.width set correctly");
t.eq( image.style.height, "", "image.style.height set correctly");
t.ok((image.style.border == ""), "image.style.border set correctly");
t.eq(image.src, "", "image.style.backgroundImage correctly");
t.eq( image.style.position, "relative", "image.style.positionset correctly");
t.ok( !image.style.opacity, "element.style.opacity default unset");
t.ok( !image.style.filter, "element.style.filter default unset");
}
function test_Util_applyDefaults(t) {
t.plan(12);
var to = {
'a': "abra",
'b': "blorg",
'n': null
};
var from = {
'b': "zoink",
'c': "press",
'toString': function() {return 'works'},
'n': "broken"
};
OpenLayers.Util.applyDefaults(to, from);
t.ok( to instanceof Object, " applyDefaults returns an object");
t.eq( to["a"], "abra", "key present in to but not from maintained");
t.eq( to["b"], "blorg", "key present in to and from, maintained in to");
t.eq( to["c"], "press", "key present in from and not to successfully copied to to");
var ret = OpenLayers.Util.applyDefaults({'a': "abra",'b': "blorg"}, from);
t.ok( ret instanceof Object, " applyDefaults returns an object");
t.eq( ret["a"], "abra", "key present in ret but not from maintained");
t.eq( ret["b"], "blorg", "key present in ret and from, maintained in ret");
t.eq( ret["c"], "press", "key present in from and not ret successfully copied to ret");
t.eq(to.toString(), "works", "correctly applies custom toString");
t.eq(to.n, null, "correctly preserves null");
var to;
var from = {rand: Math.random()};
var ret = OpenLayers.Util.applyDefaults(to, from);
t.eq(ret.rand, from.rand, "works with undefined to");
//regression test for #1716 -- allow undefined from
try {
OpenLayers.Util.applyDefaults({}, undefined);
t.ok(true, "no exception thrown when from is undefined");
} catch(err) {
t.fail("exception thrown when from is undefined:" + err);
}
}
function test_Util_getParameterString(t) {
t.plan( 4 );
var params = {
'foo': "bar",
'chicken': 1.5
};
t.eq( OpenLayers.Util.getParameterString(params), "foo=bar&chicken=1.5", "getParameterString returns correctly");
t.eq( OpenLayers.Util.getParameterString({'a:':'b='}), "a%3A=b%3D", "getParameterString returns correctly with non-ascii keys/values");
// Parameters which are a list should end up being a comma-seperated
// list of the URL encoded strings
var params = { foo: ["bar,baz"] };
t.eq( OpenLayers.Util.getParameterString(params), "foo=bar%2Cbaz", "getParameterString encodes , correctly in arrays");
var params = { foo: ["bar","baz,"] };
t.eq( OpenLayers.Util.getParameterString(params), "foo=bar,baz%2C", "getParameterString returns with list of CSVs when given a list. ");
}
function test_Util_createAlphaImageDiv(t) {
t.plan( 19 );
var img = "http://www.openlayers.org/images/OpenLayers.trac.png";
var sz = new OpenLayers.Size(10,10);
var xy = new OpenLayers.Pixel(5,5);
var position = "absolute";
var id = "boo";
var border = "1px solid";
var sizing = "crop";
var opacity = 0.5;
var imageDiv = OpenLayers.Util.createAlphaImageDiv(id, xy, sz, img, position, border, sizing, opacity);
if (!isMozilla)
t.ok( true, "skipping element test outside of Mozilla");
else
t.ok( imageDiv instanceof HTMLDivElement, "createDiv creates a valid HTMLDivElement" );
t.eq( imageDiv.id, id, "image.id set correctly");
t.eq( imageDiv.style.left, xy.x + "px", "image.style.left set correctly");
t.eq( imageDiv.style.top, xy.y + "px", "image.style.top set correctly");
t.eq( imageDiv.style.width, sz.w + "px", "image.style.width set correctly");
t.eq( imageDiv.style.height, sz.h + "px", "image.style.height set correctly");
t.eq( imageDiv.style.position, position, "image.style.positionset correctly");
t.eq( parseFloat(imageDiv.style.opacity), opacity, "element.style.opacity set correctly");
var filterString;
if (OpenLayers.Util.alphaHack()) {
filterString = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='http://www.openlayers.org/images/OpenLayers.trac.png', sizingMethod='crop') alpha(opacity=50)";
} else {
//Safari 3 returns null for this value, which is okay
var filterString = (OpenLayers.Util.getBrowserName() == 'safari') ? null : 'alpha(opacity=' + (opacity * 100) + ')';
}
t.eq( imageDiv.style.filter, filterString, "element.style.filter set correctly");
image = imageDiv.firstChild;
if (!isMozilla)
t.ok( true, "skipping element test outside of Mozilla");
else
t.ok( image.nodeName == "IMG", "createImage creates a valid HTMLImageElement" );
t.eq( image.id, id + "_innerImage", "image.id set correctly");
t.eq( image.style.width, sz.w + "px", "image.style.width set correctly");
t.eq( image.style.height, sz.h + "px", "image.style.height set correctly");
//Safari 3 separates the border style into separate entities when reading it
if (OpenLayers.Util.getBrowserName() == 'safari') {
var s = border.split(' ');
t.ok(image.style.borderTopWidth == s[0] && image.style.borderTopStyle == s[1], "good default popup.border")
} else {
t.ok( (image.style.border.indexOf(border) != -1), "image.style.border set correctly");
}
t.eq( image.style.position, "relative", "image.style.positionset correctly");
if (OpenLayers.Util.alphaHack()) {
t.eq(imageDiv.style.display, "inline-block", "imageDiv.style.display set correctly");
var filter = "progid:DXImageTransform.Microsoft" +
".AlphaImageLoader(src='" + img + "', " +
"sizingMethod='" + sizing + "') alpha(opacity=50)";
t.eq(imageDiv.style.filter, filter, "div filter value correctly set");
filter = "alpha(opacity=0)";
t.eq(image.style.filter, filter, "image filter set correctly");
} else {
t.eq( image.src, img, "image.style.backgroundImage correctly");
t.ok(true, "div filter value not set (not in IE)");
t.ok(true, "image filter value not set (not in IE)");
}
var imageDiv = OpenLayers.Util.createAlphaImageDiv(id, xy, sz, img, position, border);
if (OpenLayers.Util.alphaHack()) {
var filter = "progid:DXImageTransform.Microsoft" +
".AlphaImageLoader(src='" + img + "', " +
"sizingMethod='scale')";
t.eq(imageDiv.style.filter, filter, "sizingMethod default correctly set to scale");
} else {
t.ok(true);
}
}
function test_Util_modifyDOMElement_opacity(t) {
t.plan(8);
var opacity = 0.2;
var element = document.createElement("div");
OpenLayers.Util.modifyDOMElement(element, null, null, null, null,
null, null, opacity);
t.eq(parseFloat(element.style.opacity), opacity,
"element.style.opacity set correctly when opacity = " + opacity);
//Safari 3 returns null for this value, which is okay
var filterString = (OpenLayers.Util.getBrowserName() == 'safari') ? null : 'alpha(opacity=' + (opacity * 100) + ')';
t.eq(element.style.filter, filterString,
"element.style.filter set correctly when opacity = " + opacity);
OpenLayers.Util.modifyDOMElement(element, null, null, null, null,
null, null, "5");
t.eq(parseFloat(element.style.opacity), opacity,
"element.style.opacity not changed if the value is incorrect");
//Safari 3 returns null for this value, which is okay
var filterString = (OpenLayers.Util.getBrowserName() == 'safari') ? null : 'alpha(opacity=' + (opacity * 100) + ')';
t.eq(element.style.filter, filterString,
"element.style.filter not changed if the value is incorrect");
OpenLayers.Util.modifyDOMElement(element, null, null, null, null,
null, null, "hello");
t.eq(parseFloat(element.style.opacity), opacity,
"element.style.opacity not changed if the value is incorrect");
//Safari 3 returns null for this value, which is okay
var filterString = (OpenLayers.Util.getBrowserName() == 'safari') ? null : 'alpha(opacity=' + (opacity * 100) + ')';
t.eq(element.style.filter, filterString,
"element.style.filter not changed if the value is incorrect");
opacity = 1.00;
OpenLayers.Util.modifyDOMElement(element, null, null, null, null,
null, null, opacity);
t.eq(element.style.opacity, '',
"element.style.opacity is removed when opacity = " + opacity);
//Safari 3 returns null for this value, which is okay
var filterString = (OpenLayers.Util.getBrowserName() == 'safari') ? null : '';
t.eq(element.style.filter, filterString,
"element.style.filter is removed when opacity = " + opacity);
}
function test_Util_modifyDOMElement(t) {
t.plan( 10 );
var id = "boo";
var px = new OpenLayers.Pixel(5,5);
var sz = new OpenLayers.Size(10,10);
var position = "absolute";
var border = "1px solid";
var overflow = "hidden";
var opacity = 1/2;
var element = document.createElement("div");
OpenLayers.Util.modifyDOMElement(element, id, px, sz, position,
border, overflow, opacity);
t.eq( element.id, id, "element.id set correctly");
t.eq( element.style.left, px.x + "px", "element.style.left set correctly");
t.eq( element.style.top, px.y + "px", "element.style.top set correctly");
t.eq( element.style.width, sz.w + "px", "element.style.width set correctly");
t.eq( element.style.height, sz.h + "px", "element.style.height set correctly");
t.eq( element.style.position, position, "element.style.position set correctly");
//Safari 3 separates the border style into separate entities when reading it
if (OpenLayers.Util.getBrowserName() == 'safari') {
var s = border.split(' ');
t.ok(element.style.borderTopWidth == s[0] && element.style.borderTopStyle == s[1], "good default popup.border")
} else {
t.ok( (element.style.border.indexOf(border) != -1), "element.style.border set correctly");
}
//Safari 3 separates style overflow into overflow-x and overflow-y
var prop = (OpenLayers.Util.getBrowserName() == 'safari') ? 'overflowX' : 'overflow';
t.eq( element.style[prop], overflow, "element.style.overflow set correctly");
t.eq( parseFloat(element.style.opacity), opacity, "element.style.opacity set correctly");
//Safari 3 returns null for this value, which is okay
var filterString = (OpenLayers.Util.getBrowserName() == 'safari') ? null : 'alpha(opacity=' + (opacity * 100) + ')';
t.eq( element.style.filter, filterString, "element.style.filter set correctly");
}
function test_Util_modifyAlphaImageDiv(t) {
t.plan( 21 );
var imageDiv = OpenLayers.Util.createAlphaImageDiv();
var img = "http://www.openlayers.org/images/OpenLayers.trac.png";
var sz = new OpenLayers.Size(10,10);
var xy = new OpenLayers.Pixel(5,5);
var position = "absolute";
var id = "boo";
var border = "1px solid";
var sizing = "crop";
var opacity = 0.5;
OpenLayers.Util.modifyAlphaImageDiv(imageDiv, id, xy, sz, img, position, border, sizing, opacity);
if (OpenLayers.Util.alphaHack())
t.ok( true, "skipping element test outside of Mozilla");
else
t.ok( imageDiv.nodeName == "DIV", "createDiv creates a valid HTMLDivElement" );
t.eq( imageDiv.id, id, "image.id set correctly");
t.eq( imageDiv.style.left, xy.x + "px", "image.style.left set correctly");
t.eq( imageDiv.style.top, xy.y + "px", "image.style.top set correctly");
t.eq( imageDiv.style.width, sz.w + "px", "image.style.width set correctly");
t.eq( imageDiv.style.height, sz.h + "px", "image.style.height set correctly");
t.eq( imageDiv.style.position, position, "image.style.position set correctly");
t.eq( parseFloat(imageDiv.style.opacity), opacity, "element.style.opacity set correctly");
image = imageDiv.firstChild;
var filterString;
if (OpenLayers.Util.alphaHack()) {
filterString = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='http://www.openlayers.org/images/OpenLayers.trac.png', sizingMethod='crop') alpha(opacity=50)";
t.ok( true, "skipping element test outside of Mozilla");
} else {
//Safari 3 returns null for this value, which is okay
var filterString = (OpenLayers.Util.getBrowserName() == 'safari') ? null : 'alpha(opacity=' + (opacity * 100) + ')';
t.ok( image.nodeName == "IMG", "createImage creates a valid HTMLImageElement" );
}
t.eq( imageDiv.style.filter, filterString, "element.style.filter set correctly");
t.eq( image.id, id + "_innerImage", "image.id set correctly");
t.eq( image.style.width, sz.w + "px", "image.style.width set correctly");
t.eq( image.style.height, sz.h + "px", "image.style.height set correctly");
//Safari 3 separates the border style into separate entities when reading it
if (OpenLayers.Util.getBrowserName() == 'safari') {
var s = border.split(' ');
t.ok(image.style.borderTopWidth == s[0] && image.style.borderTopStyle == s[1], "good default popup.border")
} else {
t.ok( (image.style.border.indexOf(border) != -1), "image.style.border set correctly");
}
t.eq( image.style.position, "relative", "image.style.positionset correctly");
t.eq( image.src, img, "image.style.backgroundImage correctly");
if (OpenLayers.Util.alphaHack()) {
var filter = "progid:DXImageTransform.Microsoft" +
".AlphaImageLoader(src='" + img + "', " +
"sizingMethod='" + sizing + "') alpha(opacity=" + opacity *100 + ")";
t.eq(imageDiv.style.filter, filter, "div filter value correctly set");
filter = "alpha(opacity=0)";
t.eq(image.style.filter, filter, "image filter set correctly");
} else {
t.ok(true, "div filter value not set (not in IE)");
t.ok(true, "image filter value not set (not in IE)");
}
var imageDiv = OpenLayers.Util.createAlphaImageDiv();
var display = "none";
imageDiv.style.display = display;
OpenLayers.Util.modifyAlphaImageDiv(imageDiv, id, xy, sz, img, position, border, sizing, opacity);
t.eq(imageDiv.style.display, display, "imageDiv.style.display set correctly, if 'none'");
var imageDiv = OpenLayers.Util.createAlphaImageDiv();
var display = "block";
imageDiv.style.display = display;
OpenLayers.Util.modifyAlphaImageDiv(imageDiv, id, xy, sz, img, position, border, sizing, opacity);
if(OpenLayers.Util.alphaHack()) {
t.eq(imageDiv.style.display, "inline-block", "imageDiv.style.display set correctly, if not 'none'");
} else {
t.ok(true, "inline-block is not part of CSS2 and is not supported by Firefox 2");
}
var imageDiv = OpenLayers.Util.createAlphaImageDiv(id, xy, sz, img, position, border, "scale", opacity);
if (OpenLayers.Util.alphaHack()) {
var filter = "progid:DXImageTransform.Microsoft" +
".AlphaImageLoader(src='" + img + "', " +
"sizingMethod='scale') alpha(opacity=" + opacity *100 + ")";
t.eq(imageDiv.style.filter, filter, "sizingMethod default correctly set to scale");
} else {
t.ok(true);
}
}
function test_Util_upperCaseObject(t) {
t.plan(8);
var aKey = "chicken";
var aValue = "pot pie";
var bKey = "blorg";
var bValue = "us maximus";
var obj = {};
obj[aKey] = aValue;
obj[bKey] = bValue;
var uObj = OpenLayers.Util.upperCaseObject(obj);
//make sure old object not modified
t.eq(obj[aKey], aValue, "old lowercase value still present in old obj");
t.eq(obj[bKey], bValue, "old lowercase value still present in old obj");
t.eq(obj[aKey.toUpperCase()], null, "new uppercase value not present in old obj");
t.eq(obj[bKey.toUpperCase()], null, "new uppercase value not present in old obj");
//make sure new object modified
t.eq(uObj[aKey], null, "old lowercase value not present");
t.eq(uObj[bKey], null, "old lowercase value not present");
t.eq(uObj[aKey.toUpperCase()], aValue, "new uppercase value present");
t.eq(uObj[bKey.toUpperCase()], bValue, "new uppercase value present");
}
function test_Util_createUniqueID(t) {
t.plan(2);
var id = OpenLayers.Util.createUniqueID();
t.ok(OpenLayers.String.startsWith(id, "id_"),
"default OpenLayers.Util.createUniqueID starts id correctly");
var id = OpenLayers.Util.createUniqueID("chicken");
t.ok(OpenLayers.String.startsWith(id, "chicken"),
"OpenLayers.Util.createUniqueID starts id correctly");
}
function test_Util_normalizeScale(t) {
t.plan(2);
//normal scale
var scale = 1/5;
t.eq( OpenLayers.Util.normalizeScale(scale), scale, "normalizing a normal scale does nothing");
//funky scale
var scale = 5;
t.eq( OpenLayers.Util.normalizeScale(scale), 1/5, "normalizing a wrong scale works!");
}
function test_Util_getScaleResolutionTranslation(t) {
t.plan(4);
var scale = 1/150000000;
var resolution = OpenLayers.Util.getResolutionFromScale(scale);
t.eq(resolution.toFixed(6), "0.476217", "Calculated correct resolution for " + scale);
var scale = 1/150000000;
var resolution = OpenLayers.Util.getResolutionFromScale(scale, 'm');
t.eq(resolution.toFixed(6), "52916.638092", "Calculated correct resolution for " + scale);
scale = 150000000;
resolution = OpenLayers.Util.getResolutionFromScale(scale);
t.eq(resolution.toFixed(6), "0.476217", "Calculated correct resolution for " + scale);
scale = 150000000;
resolution = OpenLayers.Util.getResolutionFromScale(scale);
t.eq(OpenLayers.Util.getScaleFromResolution(resolution), scale, "scale->resolution->scale works");
}
function test_Util_getImgLocation(t) {
t.plan(3);
OpenLayers.ImgPath = "foo/";
t.eq(OpenLayers.Util.getImagesLocation(), "foo/", "ImgPath works as expected.");
OpenLayers.ImgPath = null;
t.eq(OpenLayers.Util.getImagesLocation().substr(OpenLayers.Util.getImagesLocation().length-4,4), "img/", "ImgPath works as expected when not set.");
OpenLayers.ImgPath = '';
t.eq(OpenLayers.Util.getImagesLocation().substr(OpenLayers.Util.getImagesLocation().length-4,4), "img/", "ImgPath works as expected when set to ''.");
}
function test_Util_isEquivalentUrl(t) {
t.plan(8);
var url1, url2, options;
//CASE
url1 = "http://www.openlayers.org";
url2 = "HTTP://WWW.OPENLAYERS.ORG";
t.ok(OpenLayers.Util.isEquivalentUrl(url1, url2), "default ignoreCase works");
//ARGS
url1 = "http://www.openlayers.org?foo=5;bar=6";
url2 = "http://www.openlayers.org?bar=6;foo=5";
t.ok(OpenLayers.Util.isEquivalentUrl(url1, url2), "shuffled arguments works");
//PORT
url1 = "http://www.openlayers.org:80";
url2 = "http://www.openlayers.org";
t.ok(OpenLayers.Util.isEquivalentUrl(url1, url2), "default ignorePort80 works");
options = {
'ignorePort80': false
}
url1 = "http://www.openlayers.org:80";
url2 = "http://www.openlayers.org:50";
t.ok(!OpenLayers.Util.isEquivalentUrl(url1, url2, options), "port check works");
//HASH
url1 = "http://www.openlayers.org#barf";
url2 = "http://www.openlayers.org";
t.ok(OpenLayers.Util.isEquivalentUrl(url1, url2), "default ignoreHash works");
options = {
'ignoreHash': false
}
t.ok(!OpenLayers.Util.isEquivalentUrl(url1, url2, options), "ignoreHash FALSE works");
//PROTOCOL
url1 = "http://www.openlayers.org";
url2 = "ftp://www.openlayers.org";
t.ok(!OpenLayers.Util.isEquivalentUrl(url1, url2), "default ignoreHash works");
//PATHNAME
url1 = "foo.html?bar=now#go";
url2 = "../tests/../tests/foo.html?bar=now#go";
t.ok(OpenLayers.Util.isEquivalentUrl(url1, url2), "relative vs. absolute paths works");
}
function test_Util_createUniqueIDSeq(t) {
t.plan(1);
OpenLayers.Util.lastSeqID = 0;
OpenLayers.Util.createDiv();
OpenLayers.Util.createDiv();
t.eq(OpenLayers.Util.createDiv().id, "OpenLayersDiv3", "Div created is sequential, starting at lastSeqID in Util.");
}
function test_Util_getParameters(t) {
t.plan(6);
t.eq(OpenLayers.Util.getParameters('http://www.example.com'), {},
"getParameters works when args = ''");
t.eq(OpenLayers.Util.getParameters('http://www.example.com?'), {},
"getParameters works when args = '?'");
t.eq(OpenLayers.Util.getParameters('http://www.example.com?hello=world&foo=bar'),
{'hello' : 'world', 'foo': 'bar'},
"getParameters works when args = '?hello=world&foo=bar'");
t.eq(OpenLayers.Util.getParameters('http://www.example.com?hello=&foo=bar'),
{'hello' : '', 'foo': 'bar'},
"getParameters works when args = '?hello=&foo=bar'");
t.eq(OpenLayers.Util.getParameters('http://www.example.com?foo=bar#bugssucks'),
{'foo': 'bar'},
"getParameters works when using a fragment identifier");
t.eq(OpenLayers.Util.getParameters('http://www.example.com?foo=bar,pub,disco'),
{'foo': ['bar', 'pub', 'disco']},
"getParameters works with a comma-separated value (parses into array)");
}
function test_Util_getArgs(t) {
//DEPRECATED -- to be removed in 3.0
t.plan(3);
OpenLayers.Lang.setCode(OpenLayers.Lang.defaultCode);
var temp = OpenLayers.Console.warn;
OpenLayers.Console.warn = function(err) {
t.ok(err != null, "warning is fired on use of getArgs()");
}
var temp2 = OpenLayers.Util.getParameters;
OpenLayers.Util.getParameters = function(url) {
t.eq(url, g_Url, "correct url passed to getParameters()");
return g_Params;
}
g_Params = {};
g_Url = {};
var ret = OpenLayers.Util.getArgs(g_Url);
t.ok( ret == g_Params, "correctly returns value from getParameters");
OpenLayers.Console.warn = temp;
OpenLayers.Util.getParameters = temp2;
}
function tests_Util_extend(t) {
t.plan(7);
var source = {
num: Math.random(),
obj: {
foo: "bar"
},
method: function() {
return "method";
},
toString: function() {
return "source";
},
nada: undefined
};
var destination = OpenLayers.Util.extend({nada: "untouched"}, source);
t.eq(destination.num, source.num,
"extend properly sets primitive property on destination");
t.eq(destination.obj, source.obj,
"extend properly sets object property on destination");
t.eq(destination.method(), "method",
"extend properly sets function property on destination");
t.eq(destination.toString(), "source",
"extend properly sets custom toString method");
t.eq(destination.nada, "untouched",
"undefined source properties don't clobber existing properties");
t.eq(window.property, undefined, "Property variable not clobbered.");
var destination;
var source = {rand: Math.random()};
var ret = OpenLayers.Util.extend(destination, source);
t.eq(destination.rand, source.rand, "works with undefined destination");
}
function test_XX_Util_Try(t) {
t.plan(7);
var func1 = function() {
t.ok(true, "func1 executed");
throw "error";
};
var func2 = function() {
t.ok(true, "func2 executed");
throw "error";
};
g_TestVal3 = {};
var func3 = function() {
t.ok(true, "func3 executed");
return g_TestVal3;
};
g_TestVal4 = {};
var func4 = function() {
t.fail("func4 should *not* be executed");
return g_TestVal4;
};
var ret = OpenLayers.Util.Try(func1, func2);
t.ok(ret == null, "if all functions throw exceptions, null returned");
var ret = OpenLayers.Util.Try(func1, func2, func3, func4);
t.ok(ret == g_TestVal3, "try returns first sucessfully executed function's return");
}
function test_getRenderedDimensions(t) {
t.plan(2);
var content = (new Array(100)).join("foo ");
// test with fixed width
var fw = OpenLayers.Util.getRenderedDimensions(content, {w: 20});
t.eq(fw.w, 20, "got the fixed width");
// test with fixed height
var fh = OpenLayers.Util.getRenderedDimensions(content, {h: 15});
t.eq(fh.h, 15, "got the fixed height");
}
function test_toFloat(t) {
t.plan(2);
// actual possible computed Mercator tile coordinates, more or less
var a1=40075016.67999999, b1=-20037508.33999999,
a2=40075016.68, b2=-20037508.34;
t.eq(OpenLayers.Util.toFloat(a1), OpenLayers.Util.toFloat(a2),
"toFloat rounds large floats correctly #1");
t.eq(OpenLayers.Util.toFloat(b1), OpenLayers.Util.toFloat(b2),
"toFloat rounds large floats correctly #2");
}
</script>
</head>
<body>
<div id="map" style="width: 1024px; height: 512px;"/>
</body>
</html>
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