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1 var tests = [], filters = [], nameCounts = {};
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2
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3 function Failure(why) {this.message = why;}
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4 Failure.prototype.toString = function() { return this.message; };
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5
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6 function indexOf(collection, elt) {
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7 if (collection.indexOf) return collection.indexOf(elt);
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8 for (var i = 0, e = collection.length; i < e; ++i)
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9 if (collection[i] == elt) return i;
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10 return -1;
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11 }
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12
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13 function test(name, run, expectedFail) {
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14 // Force unique names
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15 if (nameCounts[name] == undefined){
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16 nameCounts[name] = 2;
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17 } else {
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18 // Append number if not first test with this name.
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19 name = name + '_' + (nameCounts[name]++);
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20 }
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21 // Add test
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22 tests.push({name: name, func: run, expectedFail: expectedFail});
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23 return name;
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24 }
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25 var namespace = "";
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26 function testCM(name, run, opts, expectedFail) {
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27 return test(namespace + name, function() {
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28 var place = document.getElementById("testground"), cm = window.cm = CodeMirror(place, opts);
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29 var successful = false;
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30 try {
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31 run(cm);
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32 successful = true;
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33 } finally {
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34 if (!successful || verbose) {
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35 place.style.visibility = "visible";
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36 } else {
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37 place.removeChild(cm.getWrapperElement());
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38 }
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39 }
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40 }, expectedFail);
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41 }
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42
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43 function runTests(callback) {
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44 var totalTime = 0;
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45 function step(i) {
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46 for (;;) {
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47 if (i === tests.length) {
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48 running = false;
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49 return callback("done");
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50 }
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51 var test = tests[i], skip = false;
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52 if (filters.length) {
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53 skip = true;
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54 for (var j = 0; j < filters.length; j++)
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55 if (test.name.match(filters[j])) skip = false;
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56 }
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57 if (skip) {
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58 callback("skipped", test.name, message);
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59 i++;
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60 } else {
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61 break;
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62 }
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63 }
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64 var expFail = test.expectedFail, startTime = +new Date, threw = false;
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65 try {
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66 var message = test.func();
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67 } catch(e) {
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68 threw = true;
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69 if (expFail) callback("expected", test.name);
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70 else if (e instanceof Failure) callback("fail", test.name, e.message);
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71 else {
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72 var pos = /(?:\bat |@).*?([^\/:]+):(\d+)/.exec(e.stack);
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73 if (pos) console["log"](e.stack);
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74 callback("error", test.name, e.toString() + (pos ? " (" + pos[1] + ":" + pos[2] + ")" : ""));
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75 }
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76 }
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77 if (!threw) {
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78 if (expFail) callback("fail", test.name, message || "expected failure, but passed");
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79 else callback("ok", test.name, message);
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80 }
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81 if (!quit) { // Run next test
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82 var delay = 0;
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83 totalTime += (+new Date) - startTime;
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84 if (totalTime > 500){
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85 totalTime = 0;
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86 delay = 50;
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87 }
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88 setTimeout(function(){step(i + 1);}, delay);
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89 } else { // Quit tests
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90 running = false;
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91 return null;
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92 }
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93 }
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94 step(0);
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95 }
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96
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97 function label(str, msg) {
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98 if (msg) return str + " (" + msg + ")";
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99 return str;
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100 }
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101 function eq(a, b, msg) {
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102 if (a != b) throw new Failure(label(a + " != " + b, msg));
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103 }
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104 function notEq(a, b, msg) {
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105 if (a == b) throw new Failure(label(a + " == " + b, msg));
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106 }
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107 function near(a, b, margin, msg) {
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108 if (Math.abs(a - b) > margin)
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109 throw new Failure(label(a + " is not close to " + b + " (" + margin + ")", msg));
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110 }
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111 function eqCharPos(a, b, msg) {
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112 function str(p) { return "{line:" + p.line + ",ch:" + p.ch + ",sticky:" + p.sticky + "}"; }
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113 if (a == b) return;
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114 if (a == null) throw new Failure(label("comparing null to " + str(b), msg));
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115 if (b == null) throw new Failure(label("comparing " + str(a) + " to null", msg));
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116 if (a.line != b.line || a.ch != b.ch) throw new Failure(label(str(a) + " != " + str(b), msg));
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117 }
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118 function eqCursorPos(a, b, msg) {
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119 eqCharPos(a, b, msg);
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120 if (a) eq(a.sticky, b.sticky, msg ? msg + ' (sticky)' : 'sticky');
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121 }
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122 function is(a, msg) {
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123 if (!a) throw new Failure(label("assertion failed", msg));
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124 }
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125
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126 function countTests() {
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127 if (!filters.length) return tests.length;
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128 var sum = 0;
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129 for (var i = 0; i < tests.length; ++i) {
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130 var name = tests[i].name;
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131 for (var j = 0; j < filters.length; j++) {
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132 if (name.match(filters[j])) {
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133 ++sum;
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134 break;
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135 }
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136 }
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137 }
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138 return sum;
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139 }
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140
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141 function parseTestFilter(s) {
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142 if (/_\*$/.test(s)) return new RegExp("^" + s.slice(0, s.length - 2), "i");
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143 else return new RegExp(s, "i");
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144 }
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