third_party/WebKit/LayoutTests/jquery/resources/test/data/testinit.js

   1 var jQuery = this.jQuery || "jQuery", // For testing .noConflict()
   2         $ = this.$ || "$",
   3         originaljQuery = jQuery,
   4         original$ = $;
   5
   6 /**
   7  * Returns an array of elements with the given IDs, eg.
   8  * @example q("main", "foo", "bar")
   9  * @result [<div id="main">, <span id="foo">, <input id="bar">]
  10  */
  11 function q() {
  12         var r = [];
  13
  14         for ( var i = 0; i < arguments.length; i++ ) {
  15                 r.push( document.getElementById( arguments[i] ) );
  16         }
  17
  18         return r;
  19 }
  20
  21 /**
  22  * Asserts that a select matches the given IDs * @example t("Check for something", "//[a]", ["foo", "baar"]);
  23  * @result returns true if "//[a]" return two elements with the IDs 'foo' and 'baa
  24 r'
  25  */
  26 function t(a,b,c) {
  27         var f = jQuery(b).get(), s = "";
  28
  29         for ( var i = 0; i < f.length; i++ ) {
  30                 s += (s && ",") + '"' + f[i].id + '"';
  31         }
  32
  33         same(f, q.apply(q,c), a + " (" + b + ")");
  34 }
  35
  36 /**
  37  * Add random number to url to stop IE from caching
  38  *
  39  * @example url("data/test.html")
  40  * @result "data/test.html?10538358428943"
  41  *
  42  * @example url("data/test.php?foo=bar")
  43  * @result "data/test.php?foo=bar&10538358345554"
  44  */
  45 function url(value) {
  46         return value + (/\?/.test(value) ? "&" : "?") + new Date().getTime() + "" + parseInt(Math.random()*100000);
  47 }
  48
  49 (function () {
  50         // Store the old counts so that we only assert on tests that have actually leaked,
  51         // instead of asserting every time a test has leaked sometime in the past
  52         var oldCacheLength = 0,
  53                 oldFragmentsLength = 0,
  54                 oldTimersLength = 0,
  55                 oldActive = 0;
  56
  57         /**
  58          * Ensures that tests have cleaned up properly after themselves. Should be passed as the
  59          * teardown function on all modules' lifecycle object.
  60          */
  61         this.moduleTeardown = function () {
  62                 var i, fragmentsLength = 0, cacheLength = 0;
  63
  64                 // Allow QUnit.reset to clean up any attached elements before checking for leaks
  65                 QUnit.reset();
  66
  67                 for ( i in jQuery.cache ) {
  68                         ++cacheLength;
  69                 }
  70
  71                 jQuery.fragments = {};
  72
  73                 for ( i in jQuery.fragments ) {
  74                         ++fragmentsLength;
  75                 }
  76
  77                 // Because QUnit doesn't have a mechanism for retrieving the number of expected assertions for a test,
  78                 // if we unconditionally assert any of these, the test will fail with too many assertions :|
  79                 if ( cacheLength !== oldCacheLength ) {
  80                         equals( cacheLength, oldCacheLength, "No unit tests leak memory in jQuery.cache" );
  81                         oldCacheLength = cacheLength;
  82                 }
  83                 if ( fragmentsLength !== oldFragmentsLength ) {
  84                         equals( fragmentsLength, oldFragmentsLength, "No unit tests leak memory in jQuery.fragments" );
  85                         oldFragmentsLength = fragmentsLength;
  86                 }
  87                 if ( jQuery.timers.length !== oldTimersLength ) {
  88                         equals( jQuery.timers.length, oldTimersLength, "No timers are still running" );
  89                         oldTimersLength = jQuery.timers.length;
  90                 }
  91                 if ( jQuery.active !== oldActive ) {
  92                         equals( jQuery.active, 0, "No AJAX requests are still active" );
  93                         oldActive = jQuery.active;
  94                 }
  95         }
  96 }());