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| 1 <html> | |
| 2 | |
| 3 <head> | |
| 4 <title>Accessible text update algorithm testing</title> | |
| 5 | |
| 6 <link rel="stylesheet" type="text/css" | |
| 7 href="chrome://mochikit/content/tests/SimpleTest/test.css" /> | |
| 8 | |
| 9 <script type="application/javascript" | |
| 10 src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script> | |
| 11 <script type="application/javascript" | |
| 12 src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script> | |
| 13 | |
| 14 <script type="application/javascript" | |
| 15 src="../common.js"></script> | |
| 16 <script type="application/javascript" | |
| 17 src="../events.js"></script> | |
| 18 | |
| 19 <script type="application/javascript"> | |
| 20 //////////////////////////////////////////////////////////////////////////// | |
| 21 // Invokers | |
| 22 | |
| 23 const kRemoval = 0; | |
| 24 const kInsertion = 1; | |
| 25 const kUnexpected = true; | |
| 26 | |
| 27 function changeText(aContainerID, aValue, aEventList) | |
| 28 { | |
| 29 this.containerNode = getNode(aContainerID); | |
| 30 this.textNode = this.containerNode.firstChild; | |
| 31 this.textData = this.textNode.data; | |
| 32 | |
| 33 this.eventSeq = [ ]; | |
| 34 this.unexpectedEventSeq = [ ]; | |
| 35 | |
| 36 for (var i = 0; i < aEventList.length; i++) { | |
| 37 var event = aEventList[i]; | |
| 38 | |
| 39 var isInserted = event[0]; | |
| 40 var str = event[1]; | |
| 41 var offset = event[2]; | |
| 42 var checker = new textChangeChecker(this.containerNode, offset, | |
| 43 offset + str.length, str, | |
| 44 isInserted); | |
| 45 | |
| 46 if (event[3] == kUnexpected) | |
| 47 this.unexpectedEventSeq.push(checker); | |
| 48 else | |
| 49 this.eventSeq.push(checker); | |
| 50 } | |
| 51 | |
| 52 this.invoke = function changeText_invoke() | |
| 53 { | |
| 54 this.textNode.data = aValue; | |
| 55 } | |
| 56 | |
| 57 this.getID = function changeText_getID() | |
| 58 { | |
| 59 return "change text '" + shortenString(this.textData) + "' -> '" + | |
| 60 shortenString(this.textNode.data) + "' for " + | |
| 61 prettyName(this.containerNode); | |
| 62 } | |
| 63 } | |
| 64 | |
| 65 function expStr(x, doublings) | |
| 66 { | |
| 67 for (var i = 0; i < doublings; ++i) | |
| 68 x = x + x; | |
| 69 return x; | |
| 70 } | |
| 71 | |
| 72 //////////////////////////////////////////////////////////////////////////// | |
| 73 // Do tests | |
| 74 | |
| 75 //gA11yEventDumpID = "eventdump"; // debug stuff | |
| 76 //gA11yEventDumpToConsole = true; | |
| 77 | |
| 78 var gQueue = null; | |
| 79 function doTests() | |
| 80 { | |
| 81 gQueue = new eventQueue(); | |
| 82 | |
| 83 ////////////////////////////////////////////////////////////////////////// | |
| 84 // wqrema -> tqb: substitution coalesced with removal | |
| 85 | |
| 86 var events = [ | |
| 87 [ kRemoval, "w", 0 ], // wqrema -> qrema | |
| 88 [ kInsertion, "t", 0], // qrema -> tqrema | |
| 89 [ kRemoval, "rema", 2 ], // tqrema -> tq | |
| 90 [ kInsertion, "b", 2] // tq -> tqb | |
| 91 ]; | |
| 92 gQueue.push(new changeText("p1", "tqb", events)); | |
| 93 | |
| 94 ////////////////////////////////////////////////////////////////////////// | |
| 95 // b -> insa: substitution coalesced with insertion (complex substitution) | |
| 96 | |
| 97 events = [ | |
| 98 [ kRemoval, "b", 0 ], // b -> | |
| 99 [ kInsertion, "insa", 0] // -> insa | |
| 100 ]; | |
| 101 gQueue.push(new changeText("p2", "insa", events)); | |
| 102 | |
| 103 ////////////////////////////////////////////////////////////////////////// | |
| 104 // abc -> def: coalesced substitutions | |
| 105 | |
| 106 events = [ | |
| 107 [ kRemoval, "abc", 0 ], // abc -> | |
| 108 [ kInsertion, "def", 0] // -> def | |
| 109 ]; | |
| 110 gQueue.push(new changeText("p3", "def", events)); | |
| 111 | |
| 112 ////////////////////////////////////////////////////////////////////////// | |
| 113 // abcabc -> abcDEFabc: coalesced insertions | |
| 114 | |
| 115 events = [ | |
| 116 [ kInsertion, "DEF", 3] // abcabc -> abcDEFabc | |
| 117 ]; | |
| 118 gQueue.push(new changeText("p4", "abcDEFabc", events)); | |
| 119 | |
| 120 ////////////////////////////////////////////////////////////////////////// | |
| 121 // abc -> defabc: insertion into begin | |
| 122 | |
| 123 events = [ | |
| 124 [ kInsertion, "def", 0] // abc -> defabc | |
| 125 ]; | |
| 126 gQueue.push(new changeText("p5", "defabc", events)); | |
| 127 | |
| 128 ////////////////////////////////////////////////////////////////////////// | |
| 129 // abc -> abcdef: insertion into end | |
| 130 | |
| 131 events = [ | |
| 132 [ kInsertion, "def", 3] // abc -> abcdef | |
| 133 ]; | |
| 134 gQueue.push(new changeText("p6", "abcdef", events)); | |
| 135 | |
| 136 ////////////////////////////////////////////////////////////////////////// | |
| 137 // defabc -> abc: removal from begin | |
| 138 | |
| 139 events = [ | |
| 140 [ kRemoval, "def", 0] // defabc -> abc | |
| 141 ]; | |
| 142 gQueue.push(new changeText("p7", "abc", events)); | |
| 143 | |
| 144 ////////////////////////////////////////////////////////////////////////// | |
| 145 // abcdef -> abc: removal from the end | |
| 146 | |
| 147 events = [ | |
| 148 [ kRemoval, "def", 3] // abcdef -> abc | |
| 149 ]; | |
| 150 gQueue.push(new changeText("p8", "abc", events)); | |
| 151 | |
| 152 ////////////////////////////////////////////////////////////////////////// | |
| 153 // abcDEFabc -> abcabc: coalesced removals | |
| 154 | |
| 155 events = [ | |
| 156 [ kRemoval, "DEF", 3] // abcDEFabc -> abcabc | |
| 157 ]; | |
| 158 gQueue.push(new changeText("p9", "abcabc", events)); | |
| 159 | |
| 160 ////////////////////////////////////////////////////////////////////////// | |
| 161 // !abcdef@ -> @axbcef!: insertion, deletion and substitutions | |
| 162 | |
| 163 events = [ | |
| 164 [ kRemoval, "!", 0 ], // !abcdef@ -> abcdef@ | |
| 165 [ kInsertion, "@", 0], // abcdef@ -> @abcdef@ | |
| 166 [ kInsertion, "x", 2 ], // @abcdef@ -> @axbcdef@ | |
| 167 [ kRemoval, "d", 5], // @axbcdef@ -> @axbcef@ | |
| 168 [ kRemoval, "@", 7 ], // @axbcef@ -> @axbcef | |
| 169 [ kInsertion, "!", 7 ], // @axbcef -> @axbcef! | |
| 170 ]; | |
| 171 gQueue.push(new changeText("p10", "@axbcef!", events)); | |
| 172 | |
| 173 ////////////////////////////////////////////////////////////////////////// | |
| 174 // meilenstein -> levenshtein: insertion, complex and simple substitutions | |
| 175 | |
| 176 events = [ | |
| 177 [ kRemoval, "m", 0 ], // meilenstein -> eilenstein | |
| 178 [ kInsertion, "l", 0], // eilenstein -> leilenstein | |
| 179 [ kRemoval, "il", 2 ], // leilenstein -> leenstein | |
| 180 [ kInsertion, "v", 2], // leenstein -> levenstein | |
| 181 [ kInsertion, "h", 6 ], // levenstein -> levenshtein | |
| 182 ]; | |
| 183 gQueue.push(new changeText("p11", "levenshtein", events)); | |
| 184 | |
| 185 ////////////////////////////////////////////////////////////////////////// | |
| 186 // long strings, remove/insert pair as the old string was replaced on | |
| 187 // new one | |
| 188 | |
| 189 var longStr1 = expStr("x", 16); | |
| 190 var longStr2 = expStr("X", 16); | |
| 191 | |
| 192 var newStr = "a" + longStr1 + "b", insStr = longStr1, rmStr = ""; | |
| 193 events = [ | |
| 194 [ kRemoval, rmStr, 1, kUnexpected ], | |
| 195 [ kInsertion, insStr, 1 ] | |
| 196 ]; | |
| 197 gQueue.push(new changeText("p12", newStr, events)); | |
| 198 | |
| 199 newStr = "a" + longStr2 + "b", insStr = longStr2, rmStr = longStr1; | |
| 200 events = [ | |
| 201 [ kRemoval, rmStr, 1 ], | |
| 202 [ kInsertion, insStr, 1] | |
| 203 ]; | |
| 204 gQueue.push(new changeText("p12", newStr, events)); | |
| 205 | |
| 206 newStr = "ab", insStr = "", rmStr = longStr2; | |
| 207 events = [ | |
| 208 [ kRemoval, rmStr, 1 ], | |
| 209 [ kInsertion, insStr, 1, kUnexpected ] | |
| 210 ]; | |
| 211 gQueue.push(new changeText("p12", newStr, events)); | |
| 212 | |
| 213 gQueue.invoke(); // Will call SimpleTest.finish(); | |
| 214 } | |
| 215 | |
| 216 SimpleTest.waitForExplicitFinish(); | |
| 217 addA11yLoadEvent(doTests); | |
| 218 </script> | |
| 219 </head> | |
| 220 | |
| 221 <body> | |
| 222 | |
| 223 <a target="_blank" | |
| 224 href="https://bugzilla.mozilla.org/show_bug.cgi?id=626660" | |
| 225 title="Cache rendered text on a11y side"> | |
| 226 Mozilla Bug 626660 | |
| 227 </a> | |
| 228 <br> | |
| 229 | |
| 230 <p id="display"></p> | |
| 231 <div id="content" style="display: none"></div> | |
| 232 <pre id="test"> | |
| 233 </pre> | |
| 234 <div id="eventdump"></div> | |
| 235 | |
| 236 <p id="p1">wqrema</p> | |
| 237 <p id="p2">b</p> | |
| 238 <p id="p3">abc</p> | |
| 239 <p id="p4">abcabc</p> | |
| 240 <p id="p5">abc</p> | |
| 241 <p id="p6">abc</p> | |
| 242 <p id="p7">defabc</p> | |
| 243 <p id="p8">abcdef</p> | |
| 244 <p id="p9">abcDEFabc</p> | |
| 245 <p id="p10">!abcdef@</p> | |
| 246 <p id="p11">meilenstein</p> | |
| 247 <p id="p12">ab</p> | |
| 248 </body> | |
| 249 </html> |
