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#807 - give geometries a resize method - examples and tests for demonstration

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@3631 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
Tim Schaub
2007-07-06 20:32:22 +00:00
parent 0d596fbb03
commit c2fcb22d98
5 changed files with 141 additions and 0 deletions
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42
tests/Geometry/test_LineString.html
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@@ -106,6 +106,48 @@
}
}
function test_LineString_resize(t) {
t.plan(7);
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();
geometry.resize(scale, origin);
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_LineString_equals(t) {
t.plan(3);