X-Git-Url: http://git.asbjorn.biz/?p=jquery.git;a=blobdiff_plain;f=test%2Fdata%2Ftestinit.js;h=c478390d5291ade65a60d19e7ce9606aec1b7a35;hp=a66f71d25f0bf909babdc9ffa546780c549daa91;hb=e2941d5a98e91c5f61b200b2763e5fa0eb339365;hpb=80af46e8ffe8292e0af0537db6c7e89019e5edba

diff --git a/test/data/testinit.js b/test/data/testinit.js
index a66f71d..c478390 100644
--- a/test/data/testinit.js
+++ b/test/data/testinit.js
@@ -45,3 +45,52 @@ function t(a,b,c) {
 function url(value) {
 	return value + (/\?/.test(value) ? "&" : "?") + new Date().getTime() + "" + parseInt(Math.random()*100000);
 }
+
+(function () {
+	// Store the old counts so that we only assert on tests that have actually leaked,
+	// instead of asserting every time a test has leaked sometime in the past
+	var oldCacheLength = 0,
+		oldFragmentsLength = 0,
+		oldTimersLength = 0,
+		oldActive = 0;
+
+	/**
+	 * Ensures that tests have cleaned up properly after themselves. Should be passed as the
+	 * teardown function on all modules' lifecycle object.
+	 */
+	this.moduleTeardown = function () {
+		var i, fragmentsLength = 0, cacheLength = 0;
+
+		// Allow QUnit.reset to clean up any attached elements before checking for leaks
+		QUnit.reset();
+
+		for ( i in jQuery.cache ) {
+			++cacheLength;
+		}
+
+		jQuery.fragments = {};
+
+		for ( i in jQuery.fragments ) {
+			++fragmentsLength;
+		}
+
+		// Because QUnit doesn't have a mechanism for retrieving the number of expected assertions for a test,
+		// if we unconditionally assert any of these, the test will fail with too many assertions :|
+		if ( cacheLength !== oldCacheLength ) {
+			equals( cacheLength, oldCacheLength, "No unit tests leak memory in jQuery.cache" );
+			oldCacheLength = cacheLength;
+		}
+		if ( fragmentsLength !== oldFragmentsLength ) {
+			equals( fragmentsLength, oldFragmentsLength, "No unit tests leak memory in jQuery.fragments" );
+			oldFragmentsLength = fragmentsLength;
+		}
+		if ( jQuery.timers.length !== oldTimersLength ) {
+			equals( jQuery.timers.length, oldTimersLength, "No timers are still running" );
+			oldTimersLength = jQuery.timers.length;
+		}
+		if ( jQuery.active !== oldActive ) {
+			equals( jQuery.active, 0, "No AJAX requests are still active" );
+			oldActive = jQuery.active;
+		}
+	}
+}());
\ No newline at end of file