event.js (11033B)
1 module("event"); 2 3 test("bind(), with data", function() { 4 expect(3); 5 var handler = function(event) { 6 ok( event.data, "bind() with data, check passed data exists" ); 7 equals( event.data.foo, "bar", "bind() with data, Check value of passed data" ); 8 }; 9 $("#firstp").bind("click", {foo: "bar"}, handler).click().unbind("click", handler); 10 11 ok( !jQuery.data($("#firstp")[0], "events"), "Event handler unbound when using data." ); 12 }); 13 14 test("bind(), with data, trigger with data", function() { 15 expect(4); 16 var handler = function(event, data) { 17 ok( event.data, "check passed data exists" ); 18 equals( event.data.foo, "bar", "Check value of passed data" ); 19 ok( data, "Check trigger data" ); 20 equals( data.bar, "foo", "Check value of trigger data" ); 21 }; 22 $("#firstp").bind("click", {foo: "bar"}, handler).trigger("click", [{bar: "foo"}]).unbind("click", handler); 23 }); 24 25 test("bind(), multiple events at once", function() { 26 expect(2); 27 var clickCounter = 0, 28 mouseoverCounter = 0; 29 var handler = function(event) { 30 if (event.type == "click") 31 clickCounter += 1; 32 else if (event.type == "mouseover") 33 mouseoverCounter += 1; 34 }; 35 $("#firstp").bind("click mouseover", handler).trigger("click").trigger("mouseover"); 36 equals( clickCounter, 1, "bind() with multiple events at once" ); 37 equals( mouseoverCounter, 1, "bind() with multiple events at once" ); 38 }); 39 40 test("bind(), no data", function() { 41 expect(1); 42 var handler = function(event) { 43 ok ( !event.data, "Check that no data is added to the event object" ); 44 }; 45 $("#firstp").bind("click", handler).trigger("click"); 46 }); 47 48 test("bind(), iframes", function() { 49 // events don't work with iframes, see #939 - this test fails in IE because of contentDocument 50 // var doc = document.getElementById("iframe").contentDocument; 51 // 52 // doc.body.innerHTML = "<input type='text'/>"; 53 // 54 // var input = doc.getElementsByTagName("input")[0]; 55 // 56 // $(input).bind("click",function() { 57 // ok( true, "Binding to element inside iframe" ); 58 // }).click(); 59 }); 60 61 test("bind(), trigger change on select", function() { 62 expect(3); 63 var counter = 0; 64 function selectOnChange(event) { 65 equals( event.data, counter++, "Event.data is not a global event object" ); 66 }; 67 $("#form select").each(function(i){ 68 $(this).bind('change', i, selectOnChange); 69 }).trigger('change'); 70 }); 71 72 test("bind(), namespaced events, cloned events", function() { 73 expect(6); 74 75 $("#firstp").bind("custom.test",function(e){ 76 ok(true, "Custom event triggered"); 77 }); 78 79 $("#firstp").bind("click",function(e){ 80 ok(true, "Normal click triggered"); 81 }); 82 83 $("#firstp").bind("click.test",function(e){ 84 ok(true, "Namespaced click triggered"); 85 }); 86 87 // Trigger both bound fn (2) 88 $("#firstp").trigger("click"); 89 90 // Trigger one bound fn (1) 91 $("#firstp").trigger("click.test"); 92 93 // Remove only the one fn 94 $("#firstp").unbind("click.test"); 95 96 // Trigger the remaining fn (1) 97 $("#firstp").trigger("click"); 98 99 // Remove the remaining fn 100 $("#firstp").unbind(".test"); 101 102 // Trigger the remaining fn (0) 103 $("#firstp").trigger("custom"); 104 105 // using contents will get comments regular, text, and comment nodes 106 $("#nonnodes").contents().bind("tester", function () { 107 equals(this.nodeType, 1, "Check node,textnode,comment bind just does real nodes" ); 108 }).trigger("tester"); 109 110 // Make sure events stick with appendTo'd elements (which are cloned) #2027 111 $("<a href='#fail' class='test'>test</a>").click(function(){ return false; }).appendTo("p"); 112 ok( $("a.test:first").triggerHandler("click") === false, "Handler is bound to appendTo'd elements" ); 113 }); 114 115 test("trigger() shortcuts", function() { 116 expect(6); 117 $('<li><a href="#">Change location</a></li>').prependTo('#firstUL').find('a').bind('click', function() { 118 var close = $('spanx', this); // same with $(this).find('span'); 119 equals( close.length, 0, "Context element does not exist, length must be zero" ); 120 ok( !close[0], "Context element does not exist, direct access to element must return undefined" ); 121 return false; 122 }).click(); 123 124 $("#check1").click(function() { 125 ok( true, "click event handler for checkbox gets fired twice, see #815" ); 126 }).click(); 127 128 var counter = 0; 129 $('#firstp')[0].onclick = function(event) { 130 counter++; 131 }; 132 $('#firstp').click(); 133 equals( counter, 1, "Check that click, triggers onclick event handler also" ); 134 135 var clickCounter = 0; 136 $('#simon1')[0].onclick = function(event) { 137 clickCounter++; 138 }; 139 $('#simon1').click(); 140 equals( clickCounter, 1, "Check that click, triggers onclick event handler on an a tag also" ); 141 142 $('<img />').load(function(){ 143 ok( true, "Trigger the load event, using the shortcut .load() (#2819)"); 144 }).load(); 145 }); 146 147 test("unbind(event)", function() { 148 expect(8); 149 var el = $("#firstp"); 150 el.click(function() { 151 ok( true, "Fake normal bind" ); 152 }); 153 el.click(function(event) { 154 el.unbind(event); 155 ok( true, "Fake onebind" ); 156 }); 157 el.click().click(); 158 159 el.click(function() { return; }); 160 el.unbind('click'); 161 ok( !el[0].onclick, "Handler is removed" ); // Bug #964 162 163 el.click(function() { return; }); 164 el.unbind('change',function(){ return; }); 165 for (var ret in jQuery.data(el[0], "events")['click']) break; 166 ok( ret, "Extra handlers weren't accidentally removed." ); 167 168 el.unbind('click'); 169 ok( !jQuery.data(el[0], "events"), "Removed the events expando after all handlers are unbound." ); 170 171 reset(); 172 var clickCounter = (mouseoverCounter = 0); 173 var handler = function(event) { 174 if (event.type == "click") 175 clickCounter += 1; 176 else if (event.type == "mouseover") 177 mouseoverCounter += 1; 178 }; 179 $("#firstp").bind("click mouseover", handler).unbind("click mouseover", handler).trigger("click").trigger("mouseover"); 180 equals( clickCounter, 0, "unbind() with multiple events at once" ); 181 equals( mouseoverCounter, 0, "unbind() with multiple events at once" ); 182 }); 183 184 test("trigger(event, [data], [fn])", function() { 185 expect(67); 186 187 var handler = function(event, a, b, c) { 188 equals( event.type, "click", "check passed data" ); 189 equals( a, 1, "check passed data" ); 190 equals( b, "2", "check passed data" ); 191 equals( c, "abc", "check passed data" ); 192 return "test"; 193 }; 194 195 var handler2 = function(a, b, c) { 196 equals( a, 1, "check passed data" ); 197 equals( b, "2", "check passed data" ); 198 equals( c, "abc", "check passed data" ); 199 return false; 200 }; 201 202 var handler3 = function(a, b, c, v) { 203 equals( a, 1, "check passed data" ); 204 equals( b, "2", "check passed data" ); 205 equals( c, "abc", "check passed data" ); 206 equals( v, "test", "check current value" ); 207 return "newVal"; 208 }; 209 210 var handler4 = function(a, b, c, v) { 211 equals( a, 1, "check passed data" ); 212 equals( b, "2", "check passed data" ); 213 equals( c, "abc", "check passed data" ); 214 equals( v, "test", "check current value" ); 215 }; 216 217 // Simulate a "native" click 218 $("#firstp")[0].click = function(){ 219 ok( true, "Native call was triggered" ); 220 }; 221 222 // Triggers handlrs and native 223 // Trigger 5 224 $("#firstp").bind("click", handler).trigger("click", [1, "2", "abc"]); 225 226 // Triggers handlers, native, and extra fn 227 // Triggers 9 228 $("#firstp").trigger("click", [1, "2", "abc"], handler4); 229 230 // Simulate a "native" click 231 $("#firstp")[0].click = function(){ 232 ok( false, "Native call was triggered" ); 233 }; 234 235 // Triggers handlers, native, and extra fn 236 // Triggers 7 237 $("#firstp").trigger("click", [1, "2", "abc"], handler2); 238 239 // Trigger only the handlers (no native) 240 // Triggers 5 241 equals( $("#firstp").triggerHandler("click", [1, "2", "abc"]), "test", "Verify handler response" ); 242 243 // Trigger only the handlers (no native) and extra fn 244 // Triggers 8 245 equals( $("#firstp").triggerHandler("click", [1, "2", "abc"], handler2), false, "Verify handler response" ); 246 247 // Build fake click event to pass in 248 var eventObj = jQuery.event.fix({ type: "foo", target: document.body }); 249 250 // Trigger only the handlers (no native), with external event obj 251 // Triggers 5 252 equals( $("#firstp").triggerHandler("click", [eventObj, 1, "2", "abc"]), "test", "Verify handler response" ); 253 254 // Trigger only the handlers (no native) and extra fn, with external event obj 255 // Triggers 9 256 eventObj = jQuery.event.fix({ type: "foo", target: document.body }); 257 equals( $("#firstp").triggerHandler("click", [eventObj, 1, "2", "abc"], handler), "test", "Verify handler response" ); 258 259 var pass = true; 260 try { 261 $('input:first') 262 .hide() 263 .trigger('focus'); 264 } catch(e) { 265 pass = false; 266 } 267 ok( pass, "Trigger focus on hidden element" ); 268 269 // have the extra handler override the return 270 // Triggers 9 271 equals( $("#firstp").triggerHandler("click", [1, "2", "abc"], handler3), "newVal", "Verify triggerHandler return is overwritten by extra function" ); 272 273 // have the extra handler leave the return value alone 274 // Triggers 9 275 equals( $("#firstp").triggerHandler("click", [1, "2", "abc"], handler4), "test", "Verify triggerHandler return is not overwritten by extra function" ); 276 }); 277 278 test("toggle(Function, Function, ...)", function() { 279 expect(11); 280 281 var count = 0, 282 fn1 = function(e) { count++; }, 283 fn2 = function(e) { count--; }, 284 preventDefault = function(e) { e.preventDefault() }, 285 link = $('#mark'); 286 link.click(preventDefault).click().toggle(fn1, fn2).click().click().click().click().click(); 287 equals( count, 1, "Check for toggle(fn, fn)" ); 288 289 $("#firstp").toggle(function () { 290 equals(arguments.length, 4, "toggle correctly passes through additional triggered arguments, see #1701" ) 291 }, function() {}).trigger("click", [ 1, 2, 3 ]); 292 293 var first = 0; 294 $("#simon1").one("click", function() { 295 ok( true, "Execute event only once" ); 296 $(this).toggle(function() { 297 equals( first++, 0, "toggle(Function,Function) assigned from within one('xxx'), see #1054" ); 298 }, function() { 299 equals( first, 1, "toggle(Function,Function) assigned from within one('xxx'), see #1054" ); 300 }); 301 return false; 302 }).click().click().click(); 303 304 var turn = 0; 305 var fns = [ 306 function(){ 307 turn = 1; 308 }, 309 function(){ 310 turn = 2; 311 }, 312 function(){ 313 turn = 3; 314 } 315 ]; 316 317 var $div = $("<div> </div>").toggle( fns[0], fns[1], fns[2] ); 318 $div.click(); 319 equals( turn, 1, "Trying toggle with 3 functions, attempt 1 yields 1"); 320 $div.click(); 321 equals( turn, 2, "Trying toggle with 3 functions, attempt 2 yields 2"); 322 $div.click(); 323 equals( turn, 3, "Trying toggle with 3 functions, attempt 3 yields 3"); 324 $div.click(); 325 equals( turn, 1, "Trying toggle with 3 functions, attempt 4 yields 1"); 326 $div.click(); 327 equals( turn, 2, "Trying toggle with 3 functions, attempt 5 yields 2"); 328 329 $div.unbind('click',fns[0]); 330 var data = $.data( $div[0], 'events' ); 331 ok( !data, "Unbinding one function from toggle unbinds them all"); 332 }); 333 334 test("jQuery(function($) {})", function() { 335 stop(); 336 jQuery(function($) { 337 equals(jQuery, $, "ready doesn't provide an event object, instead it provides a reference to the jQuery function, see http://docs.jquery.com/Events/ready#fn"); 338 start(); 339 }); 340 }); 341 342 test("event properties", function() { 343 stop(); 344 $("#simon1").click(function(event) { 345 ok( event.timeStamp, "assert event.timeStamp is present" ); 346 start(); 347 }).click(); 348 });