dojox/collections/tests/_base.js

Dojo eXtensions, a rollup of many useful sub-projects and varying states of maturity – from very stable and robust, to alpha and experimental. See individual projects contain README files for details.

dojo.provide("dojox.collections.tests._base");
dojo.require("dojox.collections");

tests.register("dojox.collections.tests._base", [
	function testDictionaryEntry(t){
		var d=new dojox.collections.DictionaryEntry("foo","bar");
		t.assertEqual("bar", d.valueOf());
		t.assertEqual("bar", d.toString());
	},

	function testIterator(t){
		var itr=new dojox.collections.Iterator(["foo","bar","baz","zoo"]);
		t.assertEqual("foo", itr.element);	//	test initialization
		t.assertTrue(!itr.atEnd());
		t.assertEqual("foo", itr.get());	//	make sure the first get doesn't advance.
		t.assertEqual("bar", itr.get());
		t.assertEqual("baz", itr.get());
		t.assertEqual("zoo", itr.get());
		t.assertTrue(itr.atEnd());
		t.assertEqual(null, itr.get());

		itr.reset();
		t.assertTrue(!itr.atEnd());
		t.assertEqual("foo", itr.element);

		//	test map
		var a=itr.map(function(elm){
			return elm+"-mapped";
		});
		itr=new dojox.collections.Iterator(a);
		t.assertEqual("foo-mapped", itr.element);	//	test initialization
		t.assertTrue(!itr.atEnd());
		t.assertEqual("foo-mapped", itr.get());	//	make sure the first get doesn't advance.
		t.assertEqual("bar-mapped", itr.get());
		t.assertEqual("baz-mapped", itr.get());
		t.assertEqual("zoo-mapped", itr.get());
		t.assertTrue(itr.atEnd());
		t.assertEqual(null, itr.get());
	},

	function testDictionaryIterator(t){
		/*
			in the context of any of the Dictionary-based collections, the
			element would normally return a DictionaryEntry.  However, since
			the DictionaryIterator is really an iterator of pure objects,
			we will just test with an object here.  This means all property
			names are lost in the translation, but...that's why there's a
			DictionaryEntry object :)
		*/
		var itr=new dojox.collections.DictionaryIterator({
			first:"foo", second:"bar", third:"baz", fourth:"zoo"
		});
		t.assertEqual("foo", itr.element);	//	test initialization
		t.assertTrue(!itr.atEnd());
		t.assertEqual("foo", itr.get());	//	make sure the first get doesn't advance.
		t.assertEqual("bar", itr.get());
		t.assertEqual("baz", itr.get());
		t.assertEqual("zoo", itr.get());
		t.assertTrue(itr.atEnd());
		t.assertEqual(null, itr.get());

		itr.reset();
		t.assertTrue(!itr.atEnd());
		t.assertEqual("foo", itr.element);

		//	test map
		var a=itr.map(function(elm){
			return elm+"-mapped";
		});
		itr=new dojox.collections.Iterator(a);
		t.assertEqual("foo-mapped", itr.element);	//	test initialization
		t.assertTrue(!itr.atEnd());
		t.assertEqual("foo-mapped", itr.get());	//	make sure the first get doesn't advance.
		t.assertEqual("bar-mapped", itr.get());
		t.assertEqual("baz-mapped", itr.get());
		t.assertEqual("zoo-mapped", itr.get());
		t.assertTrue(itr.atEnd());
		t.assertEqual(null, itr.get());
	}
]);