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Contents
// ==========================================================================
// Project: SproutCore - JavaScript Application Framework
// Copyright: ©2006-2011 Apple Inc. and contributors.
// License: Licensed under MIT license (see license.js)
// ==========================================================================
/*global module test equals context ok same notest */
var source, indexes, observer, obj ; // base array to work with
module("SC.RangeObserver#create", {
setup: function() {
// create array with 5 SC.Object's in them
source = [1,2,3,4,5].map(function(x) {
return SC.Object.create({ item: x, foo: "bar" }) ;
}, this);
indexes = SC.IndexSet.create(2,2); // select 2..3
observer = SC.Object.create({
callCount: 0,
rangeDidChange: function() {
this.callCount++;
}
});
obj = SC.RangeObserver.create(source, indexes, observer, observer.rangeDidChange, "context", YES);
}
});
test("returns new instance", function() {
ok(obj && obj.isRangeObserver, 'returns range observer');
});
test("sets up observing on properties for each object in range in index if isDeep", function() {
var len = source.length, idx;
for(idx=0;idx<len;idx++) {
source[idx].set('foo', 'baz');
}
equals(observer.callCount, 2, 'range observer should fire twice');
});
test("does not observe object properties if isDeep is NO", function() {
// remove unneeded observer
obj.destroy();
// use new observer
obj = SC.RangeObserver.create(source, indexes, observer, observer.rangeDidChange, "context", NO);
var len = source.length, idx;
for(idx=0;idx<len;idx++) {
source[idx].set('foo', 'baz');
}
equals(observer.callCount, 0, 'range observer should not fire');
});
Version data entries
17 entries across 17 versions & 1 rubygems