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1 <!DOCTYPE HTML> |
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2 <html> |
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3 <!-- |
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4 https://bugzilla.mozilla.org/show_bug.cgi?id=677638 |
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5 --> |
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6 <head> |
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7 <meta charset="utf-8"> |
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8 <title>Test for Bug 677638 - unshipped message port queue</title> |
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9 <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> |
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10 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> |
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11 </head> |
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12 <body> |
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13 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=677638">Mozilla Bug 677638</a> |
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14 <div id="content"></div> |
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15 <pre id="test"> |
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16 </pre> |
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17 <script type="application/javascript"> |
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18 |
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19 function test_orderedMessages() { |
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20 var a = new MessageChannel(); |
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21 ok(a, "MessageChannel created"); |
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22 |
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23 var b = new MessageChannel(); |
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24 ok(b, "MessageChannel created"); |
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25 |
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26 var expectedNumber = 1; |
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27 function testEvent(number, id) { |
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28 is(expectedNumber, number, "This is the right number!"); |
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29 ok(!((expectedNumber - id) % 4), "From the right port: " + expectedNumber + " " + id); |
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30 expectedNumber++; |
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31 |
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32 if (expectedNumber >100) { |
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33 runTests(); |
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34 } |
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35 } |
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36 |
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37 a.port1.onmessage = function(evt) { |
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38 testEvent(evt.data, 2); |
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39 }; |
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40 |
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41 a.port2.onmessage = function(evt) { |
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42 testEvent(evt.data, 1); |
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43 }; |
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44 |
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45 b.port1.onmessage = function(evt) { |
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46 testEvent(evt.data, 4); |
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47 }; |
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48 |
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49 b.port2.onmessage = function(evt) { |
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50 testEvent(evt.data, 3); |
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51 }; |
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52 |
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53 for (var i = 0; i < 100;) { |
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54 a.port1.postMessage(++i); |
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55 a.port2.postMessage(++i); |
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56 b.port1.postMessage(++i); |
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57 b.port2.postMessage(++i); |
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58 } |
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59 } |
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60 |
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61 function test_unstarted() { |
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62 var a = new MessageChannel(); |
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63 ok(a, "MessageChannel created"); |
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64 |
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65 var b = new MessageChannel(); |
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66 ok(b, "MessageChannel created"); |
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67 |
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68 var expectedNumber = 1; |
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69 function testEvent(number, id) { |
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70 is(expectedNumber, number, "This is the right number!"); |
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71 ok(!((expectedNumber - id) % 3), "From the right port: " + expectedNumber + " " + id); |
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72 expectedNumber++; |
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73 |
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74 // 102 because it's the first multiple of 3. |
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75 if (expectedNumber > 102) { |
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76 runTests(); |
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77 } |
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78 } |
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79 |
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80 a.port1.onmessage = function(evt) { |
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81 testEvent(evt.data, 2); |
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82 }; |
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83 |
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84 a.port2.onmessage = function(evt) { |
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85 testEvent(evt.data, 1); |
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86 }; |
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87 |
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88 b.port1.addEventListener("message", function() { |
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89 ok(false, "shouldn't be called"); |
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90 }); |
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91 |
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92 b.port2.onmessage = function(evt) { |
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93 testEvent(evt.data, 3); |
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94 }; |
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95 |
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96 for (var i = 0; i < 100;) { |
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97 a.port1.postMessage(++i); |
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98 a.port2.postMessage(++i); |
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99 b.port1.postMessage(++i); |
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100 b.port2.postMessage(1000); |
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101 } |
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102 } |
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103 |
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104 var tests = [ |
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105 test_orderedMessages, |
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106 test_unstarted |
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107 ]; |
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108 |
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109 function runTests() { |
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110 if (!tests.length) { |
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111 SimpleTest.finish(); |
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112 return; |
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113 } |
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114 |
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115 var test = tests.shift(); |
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116 test(); |
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117 } |
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118 |
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119 SimpleTest.waitForExplicitFinish(); |
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120 SpecialPowers.pushPrefEnv({"set": [["dom.messageChannel.enabled", true]]}, runTests); |
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121 </script> |
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122 </body> |
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123 </html> |