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<!DOCTYPE html><meta charset="UTF-8"><meta http-equiv="Content-Language" content="en" /><title>asynctestcase.js</title><link href="../../../../dossier.css" rel="stylesheet" type="text/css"><div id="main-wrapper"><input type="checkbox" id="sidenav-toggle" /><main><header><h1>lib/goog/testing/asynctestcase.js</h1></header><pre><table class="srcfile"><tbody><tr><td><a name="l1" href="#l1">1</a><td>// Copyright 2010 The Closure Library Authors. All Rights Reserved.<tr><td><a name="l2" href="#l2">2</a><td>//<tr><td><a name="l3" href="#l3">3</a><td>// Licensed under the Apache License, Version 2.0 (the "License");<tr><td><a name="l4" href="#l4">4</a><td>// you may not use this file except in compliance with the License.<tr><td><a name="l5" href="#l5">5</a><td>// You may obtain a copy of the License at<tr><td><a name="l6" href="#l6">6</a><td>//<tr><td><a name="l7" href="#l7">7</a><td>// http://www.apache.org/licenses/LICENSE-2.0<tr><td><a name="l8" href="#l8">8</a><td>//<tr><td><a name="l9" href="#l9">9</a><td>// Unless required by applicable law or agreed to in writing, software<tr><td><a name="l10" href="#l10">10</a><td>// distributed under the License is distributed on an "AS-IS" BASIS,<tr><td><a name="l11" href="#l11">11</a><td>// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<tr><td><a name="l12" href="#l12">12</a><td>// See the License for the specific language governing permissions and<tr><td><a name="l13" href="#l13">13</a><td>// limitations under the License.<tr><td><a name="l14" href="#l14">14</a><td>// All Rights Reserved.<tr><td><a name="l15" href="#l15">15</a><td><tr><td><a name="l16" href="#l16">16</a><td>/**<tr><td><a name="l17" href="#l17">17</a><td> * @fileoverview A class representing a set of test functions that use<tr><td><a name="l18" href="#l18">18</a><td> * asynchronous functions that cannot be meaningfully mocked.<tr><td><a name="l19" href="#l19">19</a><td> *<tr><td><a name="l20" href="#l20">20</a><td> * To create a Google-compatable JsUnit test using this test case, put the<tr><td><a name="l21" href="#l21">21</a><td> * following snippet in your test:<tr><td><a name="l22" href="#l22">22</a><td> *<tr><td><a name="l23" href="#l23">23</a><td> * var asyncTestCase = goog.testing.AsyncTestCase.createAndInstall();<tr><td><a name="l24" href="#l24">24</a><td> *<tr><td><a name="l25" href="#l25">25</a><td> * To make the test runner wait for your asynchronous behaviour, use:<tr><td><a name="l26" href="#l26">26</a><td> *<tr><td><a name="l27" href="#l27">27</a><td> * asyncTestCase.waitForAsync('Waiting for xhr to respond');<tr><td><a name="l28" href="#l28">28</a><td> *<tr><td><a name="l29" href="#l29">29</a><td> * The next test will not start until the following call is made, or a<tr><td><a name="l30" href="#l30">30</a><td> * timeout occurs:<tr><td><a name="l31" href="#l31">31</a><td> *<tr><td><a name="l32" href="#l32">32</a><td> * asyncTestCase.continueTesting();<tr><td><a name="l33" href="#l33">33</a><td> *<tr><td><a name="l34" href="#l34">34</a><td> * There does NOT need to be a 1:1 mapping of waitForAsync calls and<tr><td><a name="l35" href="#l35">35</a><td> * continueTesting calls. The next test will be run after a single call to<tr><td><a name="l36" href="#l36">36</a><td> * continueTesting is made, as long as there is no subsequent call to<tr><td><a name="l37" href="#l37">37</a><td> * waitForAsync in the same thread.<tr><td><a name="l38" href="#l38">38</a><td> *<tr><td><a name="l39" href="#l39">39</a><td> * Example:<tr><td><a name="l40" href="#l40">40</a><td> * // Returning here would cause the next test to be run.<tr><td><a name="l41" href="#l41">41</a><td> * asyncTestCase.waitForAsync('description 1');<tr><td><a name="l42" href="#l42">42</a><td> * // Returning here would *not* cause the next test to be run.<tr><td><a name="l43" href="#l43">43</a><td> * // Only effect of additional waitForAsync() calls is an updated<tr><td><a name="l44" href="#l44">44</a><td> * // description in the case of a timeout.<tr><td><a name="l45" href="#l45">45</a><td> * asyncTestCase.waitForAsync('updated description');<tr><td><a name="l46" href="#l46">46</a><td> * asyncTestCase.continueTesting();<tr><td><a name="l47" href="#l47">47</a><td> * // Returning here would cause the next test to be run.<tr><td><a name="l48" href="#l48">48</a><td> * asyncTestCase.waitForAsync('just kidding, still running.');<tr><td><a name="l49" href="#l49">49</a><td> * // Returning here would *not* cause the next test to be run.<tr><td><a name="l50" href="#l50">50</a><td> *<tr><td><a name="l51" href="#l51">51</a><td> * The test runner can also be made to wait for more than one asynchronous<tr><td><a name="l52" href="#l52">52</a><td> * event with:<tr><td><a name="l53" href="#l53">53</a><td> *<tr><td><a name="l54" href="#l54">54</a><td> * asyncTestCase.waitForSignals(n);<tr><td><a name="l55" href="#l55">55</a><td> *<tr><td><a name="l56" href="#l56">56</a><td> * The next test will not start until asyncTestCase.signal() is called n times,<tr><td><a name="l57" href="#l57">57</a><td> * or the test step timeout is exceeded.<tr><td><a name="l58" href="#l58">58</a><td> *<tr><td><a name="l59" href="#l59">59</a><td> * This class supports asynchronous behaviour in all test functions except for<tr><td><a name="l60" href="#l60">60</a><td> * tearDownPage. If such support is needed, it can be added.<tr><td><a name="l61" href="#l61">61</a><td> *<tr><td><a name="l62" href="#l62">62</a><td> * Example Usage:<tr><td><a name="l63" href="#l63">63</a><td> *<tr><td><a name="l64" href="#l64">64</a><td> * var asyncTestCase = goog.testing.AsyncTestCase.createAndInstall();<tr><td><a name="l65" href="#l65">65</a><td> * // Optionally, set a longer-than-normal step timeout.<tr><td><a name="l66" href="#l66">66</a><td> * asyncTestCase.stepTimeout = 30 * 1000;<tr><td><a name="l67" href="#l67">67</a><td> *<tr><td><a name="l68" href="#l68">68</a><td> * function testSetTimeout() {<tr><td><a name="l69" href="#l69">69</a><td> * var step = 0;<tr><td><a name="l70" href="#l70">70</a><td> * function stepCallback() {<tr><td><a name="l71" href="#l71">71</a><td> * step++;<tr><td><a name="l72" href="#l72">72</a><td> * switch (step) {<tr><td><a name="l73" href="#l73">73</a><td> * case 1:<tr><td><a name="l74" href="#l74">74</a><td> * var startTime = goog.now();<tr><td><a name="l75" href="#l75">75</a><td> * asyncTestCase.waitForAsync('step 1');<tr><td><a name="l76" href="#l76">76</a><td> * window.setTimeout(stepCallback, 100);<tr><td><a name="l77" href="#l77">77</a><td> * break;<tr><td><a name="l78" href="#l78">78</a><td> * case 2:<tr><td><a name="l79" href="#l79">79</a><td> * assertTrue('Timeout fired too soon',<tr><td><a name="l80" href="#l80">80</a><td> * goog.now() - startTime >= 100);<tr><td><a name="l81" href="#l81">81</a><td> * asyncTestCase.waitForAsync('step 2');<tr><td><a name="l82" href="#l82">82</a><td> * window.setTimeout(stepCallback, 100);<tr><td><a name="l83" href="#l83">83</a><td> * break;<tr><td><a name="l84" href="#l84">84</a><td> * case 3:<tr><td><a name="l85" href="#l85">85</a><td> * assertTrue('Timeout fired too soon',<tr><td><a name="l86" href="#l86">86</a><td> * goog.now() - startTime >= 200);<tr><td><a name="l87" href="#l87">87</a><td> * asyncTestCase.continueTesting();<tr><td><a name="l88" href="#l88">88</a><td> * break;<tr><td><a name="l89" href="#l89">89</a><td> * default:<tr><td><a name="l90" href="#l90">90</a><td> * fail('Unexpected call to stepCallback');<tr><td><a name="l91" href="#l91">91</a><td> * }<tr><td><a name="l92" href="#l92">92</a><td> * }<tr><td><a name="l93" href="#l93">93</a><td> * stepCallback();<tr><td><a name="l94" href="#l94">94</a><td> * }<tr><td><a name="l95" href="#l95">95</a><td> *<tr><td><a name="l96" href="#l96">96</a><td> * Known Issues:<tr><td><a name="l97" href="#l97">97</a><td> * IE7 Exceptions:<tr><td><a name="l98" href="#l98">98</a><td> * As the failingtest.html will show, it appears as though ie7 does not<tr><td><a name="l99" href="#l99">99</a><td> * propagate an exception past a function called using the func.call()<tr><td><a name="l100" href="#l100">100</a><td> * syntax. This causes case 3 of the failing tests (exceptions) to show up<tr><td><a name="l101" href="#l101">101</a><td> * as timeouts in IE.<tr><td><a name="l102" href="#l102">102</a><td> * window.onerror:<tr><td><a name="l103" href="#l103">103</a><td> * This seems to catch errors only in ff2/ff3. It does not work in Safari or<tr><td><a name="l104" href="#l104">104</a><td> * IE7. The consequence of this is that exceptions that would have been<tr><td><a name="l105" href="#l105">105</a><td> * caught by window.onerror show up as timeouts.<tr><td><a name="l106" href="#l106">106</a><td> *<tr><td><a name="l107" href="#l107">107</a><td> * @author agrieve@google.com (Andrew Grieve)<tr><td><a name="l108" href="#l108">108</a><td> */<tr><td><a name="l109" href="#l109">109</a><td><tr><td><a name="l110" href="#l110">110</a><td>goog.provide('goog.testing.AsyncTestCase');<tr><td><a name="l111" href="#l111">111</a><td>goog.provide('goog.testing.AsyncTestCase.ControlBreakingException');<tr><td><a name="l112" href="#l112">112</a><td><tr><td><a name="l113" href="#l113">113</a><td>goog.require('goog.testing.TestCase');<tr><td><a name="l114" href="#l114">114</a><td>goog.require('goog.testing.TestCase.Test');<tr><td><a name="l115" href="#l115">115</a><td>goog.require('goog.testing.asserts');<tr><td><a name="l116" href="#l116">116</a><td><tr><td><a name="l117" href="#l117">117</a><td><tr><td><a name="l118" href="#l118">118</a><td><tr><td><a name="l119" href="#l119">119</a><td>/**<tr><td><a name="l120" href="#l120">120</a><td> * A test case that is capable of running tests the contain asynchronous logic.<tr><td><a name="l121" href="#l121">121</a><td> * @param {string=} opt_name A descriptive name for the test case.<tr><td><a name="l122" href="#l122">122</a><td> * @extends {goog.testing.TestCase}<tr><td><a name="l123" href="#l123">123</a><td> * @constructor<tr><td><a name="l124" href="#l124">124</a><td> */<tr><td><a name="l125" href="#l125">125</a><td>goog.testing.AsyncTestCase = function(opt_name) {<tr><td><a name="l126" href="#l126">126</a><td> goog.testing.TestCase.call(this, opt_name);<tr><td><a name="l127" href="#l127">127</a><td>};<tr><td><a name="l128" href="#l128">128</a><td>goog.inherits(goog.testing.AsyncTestCase, goog.testing.TestCase);<tr><td><a name="l129" href="#l129">129</a><td><tr><td><a name="l130" href="#l130">130</a><td><tr><td><a name="l131" href="#l131">131</a><td>/**<tr><td><a name="l132" href="#l132">132</a><td> * Represents result of top stack function call.<tr><td><a name="l133" href="#l133">133</a><td> * @typedef {{controlBreakingExceptionThrown: boolean, message: string}}<tr><td><a name="l134" href="#l134">134</a><td> * @private<tr><td><a name="l135" href="#l135">135</a><td> */<tr><td><a name="l136" href="#l136">136</a><td>goog.testing.AsyncTestCase.TopStackFuncResult_;<tr><td><a name="l137" href="#l137">137</a><td><tr><td><a name="l138" href="#l138">138</a><td><tr><td><a name="l139" href="#l139">139</a><td><tr><td><a name="l140" href="#l140">140</a><td>/**<tr><td><a name="l141" href="#l141">141</a><td> * An exception class used solely for control flow.<tr><td><a name="l142" href="#l142">142</a><td> * @param {string=} opt_message Error message.<tr><td><a name="l143" href="#l143">143</a><td> * @constructor<tr><td><a name="l144" href="#l144">144</a><td> * @final<tr><td><a name="l145" href="#l145">145</a><td> */<tr><td><a name="l146" href="#l146">146</a><td>goog.testing.AsyncTestCase.ControlBreakingException = function(opt_message) {<tr><td><a name="l147" href="#l147">147</a><td> /**<tr><td><a name="l148" href="#l148">148</a><td> * The exception message.<tr><td><a name="l149" href="#l149">149</a><td> * @type {string}<tr><td><a name="l150" href="#l150">150</a><td> */<tr><td><a name="l151" href="#l151">151</a><td> this.message = opt_message || '';<tr><td><a name="l152" href="#l152">152</a><td>};<tr><td><a name="l153" href="#l153">153</a><td><tr><td><a name="l154" href="#l154">154</a><td><tr><td><a name="l155" href="#l155">155</a><td>/**<tr><td><a name="l156" href="#l156">156</a><td> * Return value for .toString().<tr><td><a name="l157" href="#l157">157</a><td> * @type {string}<tr><td><a name="l158" href="#l158">158</a><td> */<tr><td><a name="l159" href="#l159">159</a><td>goog.testing.AsyncTestCase.ControlBreakingException.TO_STRING =<tr><td><a name="l160" href="#l160">160</a><td> '[AsyncTestCase.ControlBreakingException]';<tr><td><a name="l161" href="#l161">161</a><td><tr><td><a name="l162" href="#l162">162</a><td><tr><td><a name="l163" href="#l163">163</a><td>/**<tr><td><a name="l164" href="#l164">164</a><td> * Marks this object as a ControlBreakingException<tr><td><a name="l165" href="#l165">165</a><td> * @type {boolean}<tr><td><a name="l166" href="#l166">166</a><td> */<tr><td><a name="l167" href="#l167">167</a><td>goog.testing.AsyncTestCase.ControlBreakingException.prototype.<tr><td><a name="l168" href="#l168">168</a><td> isControlBreakingException = true;<tr><td><a name="l169" href="#l169">169</a><td><tr><td><a name="l170" href="#l170">170</a><td><tr><td><a name="l171" href="#l171">171</a><td>/** @override */<tr><td><a name="l172" href="#l172">172</a><td>goog.testing.AsyncTestCase.ControlBreakingException.prototype.toString =<tr><td><a name="l173" href="#l173">173</a><td> function() {<tr><td><a name="l174" href="#l174">174</a><td> // This shows up in the console when the exception is not caught.<tr><td><a name="l175" href="#l175">175</a><td> return goog.testing.AsyncTestCase.ControlBreakingException.TO_STRING;<tr><td><a name="l176" href="#l176">176</a><td>};<tr><td><a name="l177" href="#l177">177</a><td><tr><td><a name="l178" href="#l178">178</a><td><tr><td><a name="l179" href="#l179">179</a><td>/**<tr><td><a name="l180" href="#l180">180</a><td> * How long to wait for a single step of a test to complete in milliseconds.<tr><td><a name="l181" href="#l181">181</a><td> * A step starts when a call to waitForAsync() is made.<tr><td><a name="l182" href="#l182">182</a><td> * @type {number}<tr><td><a name="l183" href="#l183">183</a><td> */<tr><td><a name="l184" href="#l184">184</a><td>goog.testing.AsyncTestCase.prototype.stepTimeout = 1000;<tr><td><a name="l185" href="#l185">185</a><td><tr><td><a name="l186" href="#l186">186</a><td><tr><td><a name="l187" href="#l187">187</a><td>/**<tr><td><a name="l188" href="#l188">188</a><td> * How long to wait after a failed test before moving onto the next one.<tr><td><a name="l189" href="#l189">189</a><td> * The purpose of this is to allow any pending async callbacks from the failing<tr><td><a name="l190" href="#l190">190</a><td> * test to finish up and not cause the next test to fail.<tr><td><a name="l191" href="#l191">191</a><td> * @type {number}<tr><td><a name="l192" href="#l192">192</a><td> */<tr><td><a name="l193" href="#l193">193</a><td>goog.testing.AsyncTestCase.prototype.timeToSleepAfterFailure = 500;<tr><td><a name="l194" href="#l194">194</a><td><tr><td><a name="l195" href="#l195">195</a><td><tr><td><a name="l196" href="#l196">196</a><td>/**<tr><td><a name="l197" href="#l197">197</a><td> * Turn on extra logging to help debug failing async. tests.<tr><td><a name="l198" href="#l198">198</a><td> * @type {boolean}<tr><td><a name="l199" href="#l199">199</a><td> * @private<tr><td><a name="l200" href="#l200">200</a><td> */<tr><td><a name="l201" href="#l201">201</a><td>goog.testing.AsyncTestCase.prototype.enableDebugLogs_ = false;<tr><td><a name="l202" href="#l202">202</a><td><tr><td><a name="l203" href="#l203">203</a><td><tr><td><a name="l204" href="#l204">204</a><td>/**<tr><td><a name="l205" href="#l205">205</a><td> * A reference to the original asserts.js assert_() function.<tr><td><a name="l206" href="#l206">206</a><td> * @private<tr><td><a name="l207" href="#l207">207</a><td> */<tr><td><a name="l208" href="#l208">208</a><td>goog.testing.AsyncTestCase.prototype.origAssert_;<tr><td><a name="l209" href="#l209">209</a><td><tr><td><a name="l210" href="#l210">210</a><td><tr><td><a name="l211" href="#l211">211</a><td>/**<tr><td><a name="l212" href="#l212">212</a><td> * A reference to the original asserts.js fail() function.<tr><td><a name="l213" href="#l213">213</a><td> * @private<tr><td><a name="l214" href="#l214">214</a><td> */<tr><td><a name="l215" href="#l215">215</a><td>goog.testing.AsyncTestCase.prototype.origFail_;<tr><td><a name="l216" href="#l216">216</a><td><tr><td><a name="l217" href="#l217">217</a><td><tr><td><a name="l218" href="#l218">218</a><td>/**<tr><td><a name="l219" href="#l219">219</a><td> * A reference to the original window.onerror function.<tr><td><a name="l220" href="#l220">220</a><td> * @type {Function|undefined}<tr><td><a name="l221" href="#l221">221</a><td> * @private<tr><td><a name="l222" href="#l222">222</a><td> */<tr><td><a name="l223" href="#l223">223</a><td>goog.testing.AsyncTestCase.prototype.origOnError_;<tr><td><a name="l224" href="#l224">224</a><td><tr><td><a name="l225" href="#l225">225</a><td><tr><td><a name="l226" href="#l226">226</a><td>/**<tr><td><a name="l227" href="#l227">227</a><td> * The stage of the test we are currently on.<tr><td><a name="l228" href="#l228">228</a><td> * @type {Function|undefined}}<tr><td><a name="l229" href="#l229">229</a><td> * @private<tr><td><a name="l230" href="#l230">230</a><td> */<tr><td><a name="l231" href="#l231">231</a><td>goog.testing.AsyncTestCase.prototype.curStepFunc_;<tr><td><a name="l232" href="#l232">232</a><td><tr><td><a name="l233" href="#l233">233</a><td><tr><td><a name="l234" href="#l234">234</a><td>/**<tr><td><a name="l235" href="#l235">235</a><td> * The name of the stage of the test we are currently on.<tr><td><a name="l236" href="#l236">236</a><td> * @type {string}<tr><td><a name="l237" href="#l237">237</a><td> * @private<tr><td><a name="l238" href="#l238">238</a><td> */<tr><td><a name="l239" href="#l239">239</a><td>goog.testing.AsyncTestCase.prototype.curStepName_ = '';<tr><td><a name="l240" href="#l240">240</a><td><tr><td><a name="l241" href="#l241">241</a><td><tr><td><a name="l242" href="#l242">242</a><td>/**<tr><td><a name="l243" href="#l243">243</a><td> * The stage of the test we should run next.<tr><td><a name="l244" href="#l244">244</a><td> * @type {Function|undefined}<tr><td><a name="l245" href="#l245">245</a><td> * @private<tr><td><a name="l246" href="#l246">246</a><td> */<tr><td><a name="l247" href="#l247">247</a><td>goog.testing.AsyncTestCase.prototype.nextStepFunc;<tr><td><a name="l248" href="#l248">248</a><td><tr><td><a name="l249" href="#l249">249</a><td><tr><td><a name="l250" href="#l250">250</a><td>/**<tr><td><a name="l251" href="#l251">251</a><td> * The name of the stage of the test we should run next.<tr><td><a name="l252" href="#l252">252</a><td> * @type {string}<tr><td><a name="l253" href="#l253">253</a><td> * @private<tr><td><a name="l254" href="#l254">254</a><td> */<tr><td><a name="l255" href="#l255">255</a><td>goog.testing.AsyncTestCase.prototype.nextStepName_ = '';<tr><td><a name="l256" href="#l256">256</a><td><tr><td><a name="l257" href="#l257">257</a><td><tr><td><a name="l258" href="#l258">258</a><td>/**<tr><td><a name="l259" href="#l259">259</a><td> * The handle to the current setTimeout timer.<tr><td><a name="l260" href="#l260">260</a><td> * @type {number}<tr><td><a name="l261" href="#l261">261</a><td> * @private<tr><td><a name="l262" href="#l262">262</a><td> */<tr><td><a name="l263" href="#l263">263</a><td>goog.testing.AsyncTestCase.prototype.timeoutHandle_ = 0;<tr><td><a name="l264" href="#l264">264</a><td><tr><td><a name="l265" href="#l265">265</a><td><tr><td><a name="l266" href="#l266">266</a><td>/**<tr><td><a name="l267" href="#l267">267</a><td> * Marks if the cleanUp() function has been called for the currently running<tr><td><a name="l268" href="#l268">268</a><td> * test.<tr><td><a name="l269" href="#l269">269</a><td> * @type {boolean}<tr><td><a name="l270" href="#l270">270</a><td> * @private<tr><td><a name="l271" href="#l271">271</a><td> */<tr><td><a name="l272" href="#l272">272</a><td>goog.testing.AsyncTestCase.prototype.cleanedUp_ = false;<tr><td><a name="l273" href="#l273">273</a><td><tr><td><a name="l274" href="#l274">274</a><td><tr><td><a name="l275" href="#l275">275</a><td>/**<tr><td><a name="l276" href="#l276">276</a><td> * The currently active test.<tr><td><a name="l277" href="#l277">277</a><td> * @type {goog.testing.TestCase.Test|undefined}<tr><td><a name="l278" href="#l278">278</a><td> * @protected<tr><td><a name="l279" href="#l279">279</a><td> */<tr><td><a name="l280" href="#l280">280</a><td>goog.testing.AsyncTestCase.prototype.activeTest;<tr><td><a name="l281" href="#l281">281</a><td><tr><td><a name="l282" href="#l282">282</a><td><tr><td><a name="l283" href="#l283">283</a><td>/**<tr><td><a name="l284" href="#l284">284</a><td> * A flag to prevent recursive exception handling.<tr><td><a name="l285" href="#l285">285</a><td> * @type {boolean}<tr><td><a name="l286" href="#l286">286</a><td> * @private<tr><td><a name="l287" href="#l287">287</a><td> */<tr><td><a name="l288" href="#l288">288</a><td>goog.testing.AsyncTestCase.prototype.inException_ = false;<tr><td><a name="l289" href="#l289">289</a><td><tr><td><a name="l290" href="#l290">290</a><td><tr><td><a name="l291" href="#l291">291</a><td>/**<tr><td><a name="l292" href="#l292">292</a><td> * Flag used to determine if we can move to the next step in the testing loop.<tr><td><a name="l293" href="#l293">293</a><td> * @type {boolean}<tr><td><a name="l294" href="#l294">294</a><td> * @private<tr><td><a name="l295" href="#l295">295</a><td> */<tr><td><a name="l296" href="#l296">296</a><td>goog.testing.AsyncTestCase.prototype.isReady_ = true;<tr><td><a name="l297" href="#l297">297</a><td><tr><td><a name="l298" href="#l298">298</a><td><tr><td><a name="l299" href="#l299">299</a><td>/**<tr><td><a name="l300" href="#l300">300</a><td> * Number of signals to wait for before continuing testing when waitForSignals<tr><td><a name="l301" href="#l301">301</a><td> * is used.<tr><td><a name="l302" href="#l302">302</a><td> * @type {number}<tr><td><a name="l303" href="#l303">303</a><td> * @private<tr><td><a name="l304" href="#l304">304</a><td> */<tr><td><a name="l305" href="#l305">305</a><td>goog.testing.AsyncTestCase.prototype.expectedSignalCount_ = 0;<tr><td><a name="l306" href="#l306">306</a><td><tr><td><a name="l307" href="#l307">307</a><td><tr><td><a name="l308" href="#l308">308</a><td>/**<tr><td><a name="l309" href="#l309">309</a><td> * Number of signals received.<tr><td><a name="l310" href="#l310">310</a><td> * @type {number}<tr><td><a name="l311" href="#l311">311</a><td> * @private<tr><td><a name="l312" href="#l312">312</a><td> */<tr><td><a name="l313" href="#l313">313</a><td>goog.testing.AsyncTestCase.prototype.receivedSignalCount_ = 0;<tr><td><a name="l314" href="#l314">314</a><td><tr><td><a name="l315" href="#l315">315</a><td><tr><td><a name="l316" href="#l316">316</a><td>/**<tr><td><a name="l317" href="#l317">317</a><td> * Flag that tells us if there is a function in the call stack that will make<tr><td><a name="l318" href="#l318">318</a><td> * a call to pump_().<tr><td><a name="l319" href="#l319">319</a><td> * @type {boolean}<tr><td><a name="l320" href="#l320">320</a><td> * @private<tr><td><a name="l321" href="#l321">321</a><td> */<tr><td><a name="l322" href="#l322">322</a><td>goog.testing.AsyncTestCase.prototype.returnWillPump_ = false;<tr><td><a name="l323" href="#l323">323</a><td><tr><td><a name="l324" href="#l324">324</a><td><tr><td><a name="l325" href="#l325">325</a><td>/**<tr><td><a name="l326" href="#l326">326</a><td> * The number of times we have thrown a ControlBreakingException so that we<tr><td><a name="l327" href="#l327">327</a><td> * know not to complain in our window.onerror handler. In Webkit, window.onerror<tr><td><a name="l328" href="#l328">328</a><td> * is not supported, and so this counter will keep going up but we won't care<tr><td><a name="l329" href="#l329">329</a><td> * about it.<tr><td><a name="l330" href="#l330">330</a><td> * @type {number}<tr><td><a name="l331" href="#l331">331</a><td> * @private<tr><td><a name="l332" href="#l332">332</a><td> */<tr><td><a name="l333" href="#l333">333</a><td>goog.testing.AsyncTestCase.prototype.numControlExceptionsExpected_ = 0;<tr><td><a name="l334" href="#l334">334</a><td><tr><td><a name="l335" href="#l335">335</a><td><tr><td><a name="l336" href="#l336">336</a><td>/**<tr><td><a name="l337" href="#l337">337</a><td> * The current step name.<tr><td><a name="l338" href="#l338">338</a><td> * @return {!string} Step name.<tr><td><a name="l339" href="#l339">339</a><td> * @protected<tr><td><a name="l340" href="#l340">340</a><td> */<tr><td><a name="l341" href="#l341">341</a><td>goog.testing.AsyncTestCase.prototype.getCurrentStepName = function() {<tr><td><a name="l342" href="#l342">342</a><td> return this.curStepName_;<tr><td><a name="l343" href="#l343">343</a><td>};<tr><td><a name="l344" href="#l344">344</a><td><tr><td><a name="l345" href="#l345">345</a><td><tr><td><a name="l346" href="#l346">346</a><td>/**<tr><td><a name="l347" href="#l347">347</a><td> * Preferred way of creating an AsyncTestCase. Creates one and initializes it<tr><td><a name="l348" href="#l348">348</a><td> * with the G_testRunner.<tr><td><a name="l349" href="#l349">349</a><td> * @param {string=} opt_name A descriptive name for the test case.<tr><td><a name="l350" href="#l350">350</a><td> * @return {!goog.testing.AsyncTestCase} The created AsyncTestCase.<tr><td><a name="l351" href="#l351">351</a><td> */<tr><td><a name="l352" href="#l352">352</a><td>goog.testing.AsyncTestCase.createAndInstall = function(opt_name) {<tr><td><a name="l353" href="#l353">353</a><td> var asyncTestCase = new goog.testing.AsyncTestCase(opt_name);<tr><td><a name="l354" href="#l354">354</a><td> goog.testing.TestCase.initializeTestRunner(asyncTestCase);<tr><td><a name="l355" href="#l355">355</a><td> return asyncTestCase;<tr><td><a name="l356" href="#l356">356</a><td>};<tr><td><a name="l357" href="#l357">357</a><td><tr><td><a name="l358" href="#l358">358</a><td><tr><td><a name="l359" href="#l359">359</a><td>/**<tr><td><a name="l360" href="#l360">360</a><td> * Informs the testcase not to continue to the next step in the test cycle<tr><td><a name="l361" href="#l361">361</a><td> * until continueTesting is called.<tr><td><a name="l362" href="#l362">362</a><td> * @param {string=} opt_name A description of what we are waiting for.<tr><td><a name="l363" href="#l363">363</a><td> */<tr><td><a name="l364" href="#l364">364</a><td>goog.testing.AsyncTestCase.prototype.waitForAsync = function(opt_name) {<tr><td><a name="l365" href="#l365">365</a><td> this.isReady_ = false;<tr><td><a name="l366" href="#l366">366</a><td> this.curStepName_ = opt_name || this.curStepName_;<tr><td><a name="l367" href="#l367">367</a><td><tr><td><a name="l368" href="#l368">368</a><td> // Reset the timer that tracks if the async test takes too long.<tr><td><a name="l369" href="#l369">369</a><td> this.stopTimeoutTimer_();<tr><td><a name="l370" href="#l370">370</a><td> this.startTimeoutTimer_();<tr><td><a name="l371" href="#l371">371</a><td>};<tr><td><a name="l372" href="#l372">372</a><td><tr><td><a name="l373" href="#l373">373</a><td><tr><td><a name="l374" href="#l374">374</a><td>/**<tr><td><a name="l375" href="#l375">375</a><td> * Continue with the next step in the test cycle.<tr><td><a name="l376" href="#l376">376</a><td> */<tr><td><a name="l377" href="#l377">377</a><td>goog.testing.AsyncTestCase.prototype.continueTesting = function() {<tr><td><a name="l378" href="#l378">378</a><td> if (this.receivedSignalCount_ < this.expectedSignalCount_) {<tr><td><a name="l379" href="#l379">379</a><td> var remaining = this.expectedSignalCount_ - this.receivedSignalCount_;<tr><td><a name="l380" href="#l380">380</a><td> throw Error('Still waiting for ' + remaining + ' signals.');<tr><td><a name="l381" href="#l381">381</a><td> }<tr><td><a name="l382" href="#l382">382</a><td> this.endCurrentStep_();<tr><td><a name="l383" href="#l383">383</a><td>};<tr><td><a name="l384" href="#l384">384</a><td><tr><td><a name="l385" href="#l385">385</a><td><tr><td><a name="l386" href="#l386">386</a><td>/**<tr><td><a name="l387" href="#l387">387</a><td> * Ends the current test step and queues the next test step to run.<tr><td><a name="l388" href="#l388">388</a><td> * @private<tr><td><a name="l389" href="#l389">389</a><td> */<tr><td><a name="l390" href="#l390">390</a><td>goog.testing.AsyncTestCase.prototype.endCurrentStep_ = function() {<tr><td><a name="l391" href="#l391">391</a><td> if (!this.isReady_) {<tr><td><a name="l392" href="#l392">392</a><td> // We are a potential entry point, so we pump.<tr><td><a name="l393" href="#l393">393</a><td> this.isReady_ = true;<tr><td><a name="l394" href="#l394">394</a><td> this.stopTimeoutTimer_();<tr><td><a name="l395" href="#l395">395</a><td> // Run this in a setTimeout so that the caller has a chance to call<tr><td><a name="l396" href="#l396">396</a><td> // waitForAsync() again before we continue.<tr><td><a name="l397" href="#l397">397</a><td> this.timeout(goog.bind(this.pump_, this, null), 0);<tr><td><a name="l398" href="#l398">398</a><td> }<tr><td><a name="l399" href="#l399">399</a><td>};<tr><td><a name="l400" href="#l400">400</a><td><tr><td><a name="l401" href="#l401">401</a><td><tr><td><a name="l402" href="#l402">402</a><td>/**<tr><td><a name="l403" href="#l403">403</a><td> * Informs the testcase not to continue to the next step in the test cycle<tr><td><a name="l404" href="#l404">404</a><td> * until signal is called the specified number of times. Within a test, this<tr><td><a name="l405" href="#l405">405</a><td> * function behaves additively if called multiple times; the number of signals<tr><td><a name="l406" href="#l406">406</a><td> * to wait for will be the sum of all expected number of signals this function<tr><td><a name="l407" href="#l407">407</a><td> * was called with.<tr><td><a name="l408" href="#l408">408</a><td> * @param {number} times The number of signals to receive before<tr><td><a name="l409" href="#l409">409</a><td> * continuing testing.<tr><td><a name="l410" href="#l410">410</a><td> * @param {string=} opt_name A description of what we are waiting for.<tr><td><a name="l411" href="#l411">411</a><td> */<tr><td><a name="l412" href="#l412">412</a><td>goog.testing.AsyncTestCase.prototype.waitForSignals =<tr><td><a name="l413" href="#l413">413</a><td> function(times, opt_name) {<tr><td><a name="l414" href="#l414">414</a><td> this.expectedSignalCount_ += times;<tr><td><a name="l415" href="#l415">415</a><td> if (this.receivedSignalCount_ < this.expectedSignalCount_) {<tr><td><a name="l416" href="#l416">416</a><td> this.waitForAsync(opt_name);<tr><td><a name="l417" href="#l417">417</a><td> }<tr><td><a name="l418" href="#l418">418</a><td>};<tr><td><a name="l419" href="#l419">419</a><td><tr><td><a name="l420" href="#l420">420</a><td><tr><td><a name="l421" href="#l421">421</a><td>/**<tr><td><a name="l422" href="#l422">422</a><td> * Signals once to continue with the test. If this is the last signal that the<tr><td><a name="l423" href="#l423">423</a><td> * test was waiting on, call continueTesting.<tr><td><a name="l424" href="#l424">424</a><td> */<tr><td><a name="l425" href="#l425">425</a><td>goog.testing.AsyncTestCase.prototype.signal = function() {<tr><td><a name="l426" href="#l426">426</a><td> if (++this.receivedSignalCount_ === this.expectedSignalCount_ &&<tr><td><a name="l427" href="#l427">427</a><td> this.expectedSignalCount_ > 0) {<tr><td><a name="l428" href="#l428">428</a><td> this.endCurrentStep_();<tr><td><a name="l429" href="#l429">429</a><td> }<tr><td><a name="l430" href="#l430">430</a><td>};<tr><td><a name="l431" href="#l431">431</a><td><tr><td><a name="l432" href="#l432">432</a><td><tr><td><a name="l433" href="#l433">433</a><td>/**<tr><td><a name="l434" href="#l434">434</a><td> * Handles an exception thrown by a test.<tr><td><a name="l435" href="#l435">435</a><td> * @param {*=} opt_e The exception object associated with the failure<tr><td><a name="l436" href="#l436">436</a><td> * or a string.<tr><td><a name="l437" href="#l437">437</a><td> * @throws Always throws a ControlBreakingException.<tr><td><a name="l438" href="#l438">438</a><td> */<tr><td><a name="l439" href="#l439">439</a><td>goog.testing.AsyncTestCase.prototype.doAsyncError = function(opt_e) {<tr><td><a name="l440" href="#l440">440</a><td> // If we've caught an exception that we threw, then just pass it along. This<tr><td><a name="l441" href="#l441">441</a><td> // can happen if doAsyncError() was called from a call to assert and then<tr><td><a name="l442" href="#l442">442</a><td> // again by pump_().<tr><td><a name="l443" href="#l443">443</a><td> if (opt_e && opt_e.isControlBreakingException) {<tr><td><a name="l444" href="#l444">444</a><td> throw opt_e;<tr><td><a name="l445" href="#l445">445</a><td> }<tr><td><a name="l446" href="#l446">446</a><td><tr><td><a name="l447" href="#l447">447</a><td> // Prevent another timeout error from triggering for this test step.<tr><td><a name="l448" href="#l448">448</a><td> this.stopTimeoutTimer_();<tr><td><a name="l449" href="#l449">449</a><td><tr><td><a name="l450" href="#l450">450</a><td> // doError() uses test.name. Here, we create a dummy test and give it a more<tr><td><a name="l451" href="#l451">451</a><td> // helpful name based on the step we're currently on.<tr><td><a name="l452" href="#l452">452</a><td> var fakeTestObj = new goog.testing.TestCase.Test(this.curStepName_,<tr><td><a name="l453" href="#l453">453</a><td> goog.nullFunction);<tr><td><a name="l454" href="#l454">454</a><td> if (this.activeTest) {<tr><td><a name="l455" href="#l455">455</a><td> fakeTestObj.name = this.activeTest.name + ' [' + fakeTestObj.name + ']';<tr><td><a name="l456" href="#l456">456</a><td> }<tr><td><a name="l457" href="#l457">457</a><td><tr><td><a name="l458" href="#l458">458</a><td> if (this.activeTest) {<tr><td><a name="l459" href="#l459">459</a><td> // Note: if the test has an error, and then tearDown has an error, they will<tr><td><a name="l460" href="#l460">460</a><td> // both be reported.<tr><td><a name="l461" href="#l461">461</a><td> this.doError(fakeTestObj, opt_e);<tr><td><a name="l462" href="#l462">462</a><td> } else {<tr><td><a name="l463" href="#l463">463</a><td> this.exceptionBeforeTest = opt_e;<tr><td><a name="l464" href="#l464">464</a><td> }<tr><td><a name="l465" href="#l465">465</a><td><tr><td><a name="l466" href="#l466">466</a><td> // This is a potential entry point, so we pump. We also add in a bit of a<tr><td><a name="l467" href="#l467">467</a><td> // delay to try and prevent any async behavior from the failed test from<tr><td><a name="l468" href="#l468">468</a><td> // causing the next test to fail.<tr><td><a name="l469" href="#l469">469</a><td> this.timeout(goog.bind(this.pump_, this, this.doAsyncErrorTearDown_),<tr><td><a name="l470" href="#l470">470</a><td> this.timeToSleepAfterFailure);<tr><td><a name="l471" href="#l471">471</a><td><tr><td><a name="l472" href="#l472">472</a><td> // We just caught an exception, so we do not want the code above us on the<tr><td><a name="l473" href="#l473">473</a><td> // stack to continue executing. If pump_ is in our call-stack, then it will<tr><td><a name="l474" href="#l474">474</a><td> // batch together multiple errors, so we only increment the count if pump_ is<tr><td><a name="l475" href="#l475">475</a><td> // not in the stack and let pump_ increment the count when it batches them.<tr><td><a name="l476" href="#l476">476</a><td> if (!this.returnWillPump_) {<tr><td><a name="l477" href="#l477">477</a><td> this.numControlExceptionsExpected_ += 1;<tr><td><a name="l478" href="#l478">478</a><td> this.dbgLog_('doAsynError: numControlExceptionsExpected_ = ' +<tr><td><a name="l479" href="#l479">479</a><td> this.numControlExceptionsExpected_ + ' and throwing exception.');<tr><td><a name="l480" href="#l480">480</a><td> }<tr><td><a name="l481" href="#l481">481</a><td><tr><td><a name="l482" href="#l482">482</a><td> // Copy the error message to ControlBreakingException.<tr><td><a name="l483" href="#l483">483</a><td> var message = '';<tr><td><a name="l484" href="#l484">484</a><td> if (typeof opt_e == 'string') {<tr><td><a name="l485" href="#l485">485</a><td> message = opt_e;<tr><td><a name="l486" href="#l486">486</a><td> } else if (opt_e && opt_e.message) {<tr><td><a name="l487" href="#l487">487</a><td> message = opt_e.message;<tr><td><a name="l488" href="#l488">488</a><td> }<tr><td><a name="l489" href="#l489">489</a><td> throw new goog.testing.AsyncTestCase.ControlBreakingException(message);<tr><td><a name="l490" href="#l490">490</a><td>};<tr><td><a name="l491" href="#l491">491</a><td><tr><td><a name="l492" href="#l492">492</a><td><tr><td><a name="l493" href="#l493">493</a><td>/**<tr><td><a name="l494" href="#l494">494</a><td> * Sets up the test page and then waits until the test case has been marked<tr><td><a name="l495" href="#l495">495</a><td> * as ready before executing the tests.<tr><td><a name="l496" href="#l496">496</a><td> * @override<tr><td><a name="l497" href="#l497">497</a><td> */<tr><td><a name="l498" href="#l498">498</a><td>goog.testing.AsyncTestCase.prototype.runTests = function() {<tr><td><a name="l499" href="#l499">499</a><td> this.hookAssert_();<tr><td><a name="l500" href="#l500">500</a><td> this.hookOnError_();<tr><td><a name="l501" href="#l501">501</a><td><tr><td><a name="l502" href="#l502">502</a><td> this.setNextStep_(this.doSetUpPage_, 'setUpPage');<tr><td><a name="l503" href="#l503">503</a><td> // We are an entry point, so we pump.<tr><td><a name="l504" href="#l504">504</a><td> this.pump_();<tr><td><a name="l505" href="#l505">505</a><td>};<tr><td><a name="l506" href="#l506">506</a><td><tr><td><a name="l507" href="#l507">507</a><td><tr><td><a name="l508" href="#l508">508</a><td>/**<tr><td><a name="l509" href="#l509">509</a><td> * Starts the tests.<tr><td><a name="l510" href="#l510">510</a><td> * @override<tr><td><a name="l511" href="#l511">511</a><td> */<tr><td><a name="l512" href="#l512">512</a><td>goog.testing.AsyncTestCase.prototype.cycleTests = function() {<tr><td><a name="l513" href="#l513">513</a><td> // We are an entry point, so we pump.<tr><td><a name="l514" href="#l514">514</a><td> this.saveMessage('Start');<tr><td><a name="l515" href="#l515">515</a><td> this.setNextStep_(this.doIteration_, 'doIteration');<tr><td><a name="l516" href="#l516">516</a><td> this.pump_();<tr><td><a name="l517" href="#l517">517</a><td>};<tr><td><a name="l518" href="#l518">518</a><td><tr><td><a name="l519" href="#l519">519</a><td><tr><td><a name="l520" href="#l520">520</a><td>/**<tr><td><a name="l521" href="#l521">521</a><td> * Finalizes the test case, called when the tests have finished executing.<tr><td><a name="l522" href="#l522">522</a><td> * @override<tr><td><a name="l523" href="#l523">523</a><td> */<tr><td><a name="l524" href="#l524">524</a><td>goog.testing.AsyncTestCase.prototype.finalize = function() {<tr><td><a name="l525" href="#l525">525</a><td> this.unhookAll_();<tr><td><a name="l526" href="#l526">526</a><td> this.setNextStep_(null, 'finalized');<tr><td><a name="l527" href="#l527">527</a><td> goog.testing.AsyncTestCase.superClass_.finalize.call(this);<tr><td><a name="l528" href="#l528">528</a><td>};<tr><td><a name="l529" href="#l529">529</a><td><tr><td><a name="l530" href="#l530">530</a><td><tr><td><a name="l531" href="#l531">531</a><td>/**<tr><td><a name="l532" href="#l532">532</a><td> * Enables verbose logging of what is happening inside of the AsyncTestCase.<tr><td><a name="l533" href="#l533">533</a><td> */<tr><td><a name="l534" href="#l534">534</a><td>goog.testing.AsyncTestCase.prototype.enableDebugLogging = function() {<tr><td><a name="l535" href="#l535">535</a><td> this.enableDebugLogs_ = true;<tr><td><a name="l536" href="#l536">536</a><td>};<tr><td><a name="l537" href="#l537">537</a><td><tr><td><a name="l538" href="#l538">538</a><td><tr><td><a name="l539" href="#l539">539</a><td>/**<tr><td><a name="l540" href="#l540">540</a><td> * Logs the given debug message to the console (when enabled).<tr><td><a name="l541" href="#l541">541</a><td> * @param {string} message The message to log.<tr><td><a name="l542" href="#l542">542</a><td> * @private<tr><td><a name="l543" href="#l543">543</a><td> */<tr><td><a name="l544" href="#l544">544</a><td>goog.testing.AsyncTestCase.prototype.dbgLog_ = function(message) {<tr><td><a name="l545" href="#l545">545</a><td> if (this.enableDebugLogs_) {<tr><td><a name="l546" href="#l546">546</a><td> this.log('AsyncTestCase - ' + message);<tr><td><a name="l547" href="#l547">547</a><td> }<tr><td><a name="l548" href="#l548">548</a><td>};<tr><td><a name="l549" href="#l549">549</a><td><tr><td><a name="l550" href="#l550">550</a><td><tr><td><a name="l551" href="#l551">551</a><td>/**<tr><td><a name="l552" href="#l552">552</a><td> * Wraps doAsyncError() for when we are sure that the test runner has no user<tr><td><a name="l553" href="#l553">553</a><td> * code above it in the stack.<tr><td><a name="l554" href="#l554">554</a><td> * @param {string|Error=} opt_e The exception object associated with the<tr><td><a name="l555" href="#l555">555</a><td> * failure or a string.<tr><td><a name="l556" href="#l556">556</a><td> * @private<tr><td><a name="l557" href="#l557">557</a><td> */<tr><td><a name="l558" href="#l558">558</a><td>goog.testing.AsyncTestCase.prototype.doTopOfStackAsyncError_ =<tr><td><a name="l559" href="#l559">559</a><td> function(opt_e) {<tr><td><a name="l560" href="#l560">560</a><td> /** @preserveTry */<tr><td><a name="l561" href="#l561">561</a><td> try {<tr><td><a name="l562" href="#l562">562</a><td> this.doAsyncError(opt_e);<tr><td><a name="l563" href="#l563">563</a><td> } catch (e) {<tr><td><a name="l564" href="#l564">564</a><td> // We know that we are on the top of the stack, so there is no need to<tr><td><a name="l565" href="#l565">565</a><td> // throw this exception in this case.<tr><td><a name="l566" href="#l566">566</a><td> if (e.isControlBreakingException) {<tr><td><a name="l567" href="#l567">567</a><td> this.numControlExceptionsExpected_ -= 1;<tr><td><a name="l568" href="#l568">568</a><td> this.dbgLog_('doTopOfStackAsyncError_: numControlExceptionsExpected_ = ' +<tr><td><a name="l569" href="#l569">569</a><td> this.numControlExceptionsExpected_ + ' and catching exception.');<tr><td><a name="l570" href="#l570">570</a><td> } else {<tr><td><a name="l571" href="#l571">571</a><td> throw e;<tr><td><a name="l572" href="#l572">572</a><td> }<tr><td><a name="l573" href="#l573">573</a><td> }<tr><td><a name="l574" href="#l574">574</a><td>};<tr><td><a name="l575" href="#l575">575</a><td><tr><td><a name="l576" href="#l576">576</a><td><tr><td><a name="l577" href="#l577">577</a><td>/**<tr><td><a name="l578" href="#l578">578</a><td> * Calls the tearDown function, catching any errors, and then moves on to<tr><td><a name="l579" href="#l579">579</a><td> * the next step in the testing cycle.<tr><td><a name="l580" href="#l580">580</a><td> * @private<tr><td><a name="l581" href="#l581">581</a><td> */<tr><td><a name="l582" href="#l582">582</a><td>goog.testing.AsyncTestCase.prototype.doAsyncErrorTearDown_ = function() {<tr><td><a name="l583" href="#l583">583</a><td> if (this.inException_) {<tr><td><a name="l584" href="#l584">584</a><td> // We get here if tearDown is throwing the error.<tr><td><a name="l585" href="#l585">585</a><td> // Upon calling continueTesting, the inline function 'doAsyncError' (set<tr><td><a name="l586" href="#l586">586</a><td> // below) is run.<tr><td><a name="l587" href="#l587">587</a><td> this.endCurrentStep_();<tr><td><a name="l588" href="#l588">588</a><td> } else {<tr><td><a name="l589" href="#l589">589</a><td> this.inException_ = true;<tr><td><a name="l590" href="#l590">590</a><td> this.isReady_ = true;<tr><td><a name="l591" href="#l591">591</a><td><tr><td><a name="l592" href="#l592">592</a><td> // The continue point is different depending on if the error happened in<tr><td><a name="l593" href="#l593">593</a><td> // setUpPage() or in setUp()/test*()/tearDown().<tr><td><a name="l594" href="#l594">594</a><td> var stepFuncAfterError = this.nextStepFunc_;<tr><td><a name="l595" href="#l595">595</a><td> var stepNameAfterError = 'TestCase.execute (after error)';<tr><td><a name="l596" href="#l596">596</a><td> if (this.activeTest) {<tr><td><a name="l597" href="#l597">597</a><td> stepFuncAfterError = this.doIteration_;<tr><td><a name="l598" href="#l598">598</a><td> stepNameAfterError = 'doIteration (after error)';<tr><td><a name="l599" href="#l599">599</a><td> }<tr><td><a name="l600" href="#l600">600</a><td><tr><td><a name="l601" href="#l601">601</a><td> // We must set the next step before calling tearDown.<tr><td><a name="l602" href="#l602">602</a><td> this.setNextStep_(function() {<tr><td><a name="l603" href="#l603">603</a><td> this.inException_ = false;<tr><td><a name="l604" href="#l604">604</a><td> // This is null when an error happens in setUpPage.<tr><td><a name="l605" href="#l605">605</a><td> this.setNextStep_(stepFuncAfterError, stepNameAfterError);<tr><td><a name="l606" href="#l606">606</a><td> }, 'doAsyncError');<tr><td><a name="l607" href="#l607">607</a><td><tr><td><a name="l608" href="#l608">608</a><td> // Call the test's tearDown().<tr><td><a name="l609" href="#l609">609</a><td> if (!this.cleanedUp_) {<tr><td><a name="l610" href="#l610">610</a><td> this.cleanedUp_ = true;<tr><td><a name="l611" href="#l611">611</a><td> this.tearDown();<tr><td><a name="l612" href="#l612">612</a><td> }<tr><td><a name="l613" href="#l613">613</a><td> }<tr><td><a name="l614" href="#l614">614</a><td>};<tr><td><a name="l615" href="#l615">615</a><td><tr><td><a name="l616" href="#l616">616</a><td><tr><td><a name="l617" href="#l617">617</a><td>/**<tr><td><a name="l618" href="#l618">618</a><td> * Replaces the asserts.js assert_() and fail() functions with a wrappers to<tr><td><a name="l619" href="#l619">619</a><td> * catch the exceptions.<tr><td><a name="l620" href="#l620">620</a><td> * @private<tr><td><a name="l621" href="#l621">621</a><td> */<tr><td><a name="l622" href="#l622">622</a><td>goog.testing.AsyncTestCase.prototype.hookAssert_ = function() {<tr><td><a name="l623" href="#l623">623</a><td> if (!this.origAssert_) {<tr><td><a name="l624" href="#l624">624</a><td> this.origAssert_ = _assert;<tr><td><a name="l625" href="#l625">625</a><td> this.origFail_ = fail;<tr><td><a name="l626" href="#l626">626</a><td> var self = this;<tr><td><a name="l627" href="#l627">627</a><td> _assert = function() {<tr><td><a name="l628" href="#l628">628</a><td> /** @preserveTry */<tr><td><a name="l629" href="#l629">629</a><td> try {<tr><td><a name="l630" href="#l630">630</a><td> self.origAssert_.apply(this, arguments);<tr><td><a name="l631" href="#l631">631</a><td> } catch (e) {<tr><td><a name="l632" href="#l632">632</a><td> self.dbgLog_('Wrapping failed assert()');<tr><td><a name="l633" href="#l633">633</a><td> self.doAsyncError(e);<tr><td><a name="l634" href="#l634">634</a><td> }<tr><td><a name="l635" href="#l635">635</a><td> };<tr><td><a name="l636" href="#l636">636</a><td> fail = function() {<tr><td><a name="l637" href="#l637">637</a><td> /** @preserveTry */<tr><td><a name="l638" href="#l638">638</a><td> try {<tr><td><a name="l639" href="#l639">639</a><td> self.origFail_.apply(this, arguments);<tr><td><a name="l640" href="#l640">640</a><td> } catch (e) {<tr><td><a name="l641" href="#l641">641</a><td> self.dbgLog_('Wrapping fail()');<tr><td><a name="l642" href="#l642">642</a><td> self.doAsyncError(e);<tr><td><a name="l643" href="#l643">643</a><td> }<tr><td><a name="l644" href="#l644">644</a><td> };<tr><td><a name="l645" href="#l645">645</a><td> }<tr><td><a name="l646" href="#l646">646</a><td>};<tr><td><a name="l647" href="#l647">647</a><td><tr><td><a name="l648" href="#l648">648</a><td><tr><td><a name="l649" href="#l649">649</a><td>/**<tr><td><a name="l650" href="#l650">650</a><td> * Sets a window.onerror handler for catching exceptions that happen in async<tr><td><a name="l651" href="#l651">651</a><td> * callbacks. Note that as of Safari 3.1, Safari does not support this.<tr><td><a name="l652" href="#l652">652</a><td> * @private<tr><td><a name="l653" href="#l653">653</a><td> */<tr><td><a name="l654" href="#l654">654</a><td>goog.testing.AsyncTestCase.prototype.hookOnError_ = function() {<tr><td><a name="l655" href="#l655">655</a><td> if (!this.origOnError_) {<tr><td><a name="l656" href="#l656">656</a><td> this.origOnError_ = window.onerror;<tr><td><a name="l657" href="#l657">657</a><td> var self = this;<tr><td><a name="l658" href="#l658">658</a><td> window.onerror = function(error, url, line) {<tr><td><a name="l659" href="#l659">659</a><td> // Ignore exceptions that we threw on purpose.<tr><td><a name="l660" href="#l6