1 document.getElementById("description").innerHTML = "Tests that we clone object hierarchies";
3 tryPostMessage('null');
4 tryPostMessage('undefined');
6 tryPostMessage('true');
8 tryPostMessage('({})');
9 tryPostMessage('({a:1})');
10 tryPostMessage('({a:"a"})');
11 tryPostMessage('({b:"a", a:"b"})');
12 tryPostMessage('({p0:"string0", p1:"string1", p2:"string2", p3:"string3", p4:"string4", p5:"string5", p6:"string6", p7:"string7", p8:"string8", p9:"string9", p10:"string10", p11:"string11", p12:"string12", p13:"string13", p14:"string14", p15:"string15", p16:"string16", p17:"string17", p18:"string18", p19:"string19"})');
13 tryPostMessage('({p0:"string1", p1:"string1", p2:"string2", p3:"string3", p4:"string4", p5:"string5", p6:"string6", p7:"string7", p8:"string8", p9:"string9", p10:"string10", p11:"string11", p12:"string12", p13:"string13", p14:"string14", p15:"string15", p16:"string16", p17:"string17", p18:"string18", p19:"string19"})');
14 tryPostMessage('({a:""})');
15 tryPostMessage('({a:0})');
16 tryPostMessage('({a:1})');
18 tryPostMessage('["a", "a", "b", "a", "b"]');
19 tryPostMessage('["a", "a", "b", {a:"b", b:"a"}]');
20 tryPostMessage('[1,2,3]');
21 tryPostMessage('[,,1]');
22 tryPostMessage('(function(){})', true, null, DOMException.DATA_CLONE_ERR);
23 tryPostMessage('var x = 0; try { eval("badref"); } catch(e) { x = e; } x', true, null, DOMException.DATA_CLONE_ERR);
24 tryPostMessage('new Date(1234567890000)');
25 tryPostMessage('new ConstructorWithPrototype("foo")', false, '({field:"foo"})');
26 tryPostMessage('new Boolean(true)');
27 tryPostMessage('new Boolean(false)');
28 tryPostMessage('new String("gnirts")');
29 tryPostMessage('new Number(42.0)');
31 cyclicObject.self = cyclicObject;
32 tryPostMessage('cyclicObject', false, "cyclicObject");
34 cyclicArray[0] = cyclicArray;
35 tryPostMessage('cyclicArray', false, "cyclicArray");
38 objectGraph.graph1 = object;
39 objectGraph.graph2 = object;
40 tryPostMessage('objectGraph', false, "objectGraph");
41 arrayGraph = [object, object];
42 tryPostMessage('arrayGraph', false, "arrayGraph");
43 tryPostMessage('window', true);
44 tryPostMessage('({get a() { throw "x" }})', true);
46 if (window.eventSender) {
47 var fileInput = document.getElementById("fileInput");
48 var fileRect = fileInput.getClientRects()[0];
49 var targetX = fileRect.left + fileRect.width / 2;
50 var targetY = fileRect.top + fileRect.height / 2;
51 eventSender.beginDragWithFiles(['got-file-upload.html', 'got-file-upload-2.html']);
52 eventSender.mouseMoveTo(targetX, targetY);
53 eventSender.mouseUp();
55 var imageData = document.createElement("canvas").getContext("2d").createImageData(10,10);
56 for (var i = 0; i < imageData.data.length * 4; i++)
57 imageData.data[i] = i % 256;
58 var mutatedImageData = document.createElement("canvas").getContext("2d").createImageData(10,10);
59 for (var i = 0; i < imageData.data.length * 4; i++)
60 mutatedImageData.data[i] = i % 256;
61 tryPostMessage('imageData', false, imageData);
62 tryPostMessage('imageData.data', true, null, DOMException.DATA_CLONE_ERR)
63 tryPostMessage('mutatedImageData', false, imageData);
64 tryPostMessage('mutatedImageData.data', true, null, DOMException.DATA_CLONE_ERR)
65 for (var i = 0; i < imageData.data.length * 4; i++)
66 mutatedImageData.data[i] = 0;
69 return "(function() {" + s + "})()";
71 tryPostMessage(thunk('return 42;'), false, '42');
72 tryPostMessage(thunk('return 42;'), false, thunk('return 40 + 2;'));
73 tryPostMessage(thunk('return 42;'), false, "evalThunk",
74 function(v) { doPassFail(v == 42, "evalThunk OK"); })
76 // Only enumerable properties should be serialized.
77 tryPostMessage(thunk('var o = {x:"hello"}; Object.defineProperty(o, "y", {value:"goodbye"}); return o;'), false, '({x:"hello"})');
79 // It's unclear what we should do if an accessor modifies an object out from under us
80 // while we're serializing it; the standard does mandate certain aspects about evaluation
81 // order, though, including that properties must be processed in their enumeration order.
83 'var a = [0, 1, 2]; ' +
84 'var b = { get x() { a[0] = 40; a[2] = 42; a.push(43); return 41; }}; ' +
87 ), false, "evalThunk", function(v) {
88 doPassFail(v.length === 3, "length correct"); // undefined
89 doPassFail(v[0] === 0, "evaluation order OK"); // mandatory
90 doPassFail(v[1].x === 41, "evaluation order OK/accessor reached"); // mandatory
91 doPassFail(v[2] === 42, "evaluation order OK"); // mandatory
95 'var a = [0, 1, 2]; ' +
96 'var b = { get x() { a.pop(); return 41; } }; ' +
99 ), false, "evalThunk", function(v) {
100 doPassFail(v.length === 3 || v.length === 2, "length correct"); // undefined
101 doPassFail(v[0] === 0, "index 0 OK"); // mandatory
102 doPassFail(v[1].x === 41, "accessor reached"); // mandatory
103 doPassFail(v[2] === undefined, "index 2 undefined"); // undefined
106 tryPostMessage(thunk(
107 'var a = [0, 1, 2]; ' +
108 'var b = { get x() { a.pop(); return 41; } }; ' +
111 ), false, "evalThunk", function(v) {
112 doPassFail(v.length === 3, "length correct"); // undefined
113 doPassFail(v[0] === 0, "index 0 OK"); // mandatory
114 doPassFail(v[1] === 1, "index 1 OK"); // mandatory
115 doPassFail(v[2].x === 41, "index 2 OK"); // undefined
118 // Now with objects! This is a little more tricky because the standard does not
119 // define an enumeration order.
120 tryPostMessage(thunk(
121 'var a = {p0: 0, p1: 1}; ' +
122 'Object.defineProperty(a, "p2", {get:function() {delete a.p3; return 42; }, enumerable: true, configurable: true}); ' +
123 'Object.defineProperty(a, "p3", {get:function() {delete a.p2; return 43; }, enumerable: true, configurable: true}); ' +
124 'Object.defineProperty(a, "p4", {get:function() { a.p5 = 45; return 44; }, enumerable: true, configurable: true}); ' +
126 ), false, "evalThunk", function(v) {
127 doPassFail(v.p0 === 0 && v.p1 === 1, "basic properties OK"); // mandatory
128 doPassFail(v.p2 === undefined && v.p3 !== undefined ||
129 v.p2 !== undefined && v.p3 === undefined, "one accessor was run"); // mandatory
130 doPassFail(v.p2 !== undefined || Object.getOwnPropertyDescriptor(v, "p2") === undefined, "property was removed"); // undefined
131 doPassFail(v.p3 !== undefined || Object.getOwnPropertyDescriptor(v, "p3") === undefined, "property was removed"); // undefined
132 doPassFail(v.p4 === 44, "accessor was run"); // mandatory
133 doPassFail(Object.getOwnPropertyDescriptor(v, "p5") === undefined, "dynamic property not sent"); // undefined
136 // Objects returned from accessors should still be coalesced.
137 tryPostMessage(thunk(
138 'var obja = {get p() { return 42; }}; ' +
139 'var msg = {get a() { return obja; }, b: obja}; ' +
141 ), false, "evalThunk", function(v) {
142 // Interestingly, the standard admits two answers here!
143 doPassFail(v.a === v.b, "reference equality preserved");
144 doPassFail((v.b.p === 42 && v.a.p === 42) ||
145 (v.b.p === null && v.a.p === null), "accessors used");
147 tryPostMessage(thunk(
148 'var obja = {get p() { return 42; }}; ' +
149 'var msg = {a: obja, get b() { return obja; }}; ' +
151 ), false, "evalThunk", function(v) {
152 // Interestingly, the standard admits two answers here!
153 doPassFail(v.a === v.b, "reference equality preserved (opposite order)");
154 doPassFail((v.b.p === 42 && v.a.p === 42) ||
155 (v.b.p === null && v.a.p === null), "accessors used (opposite order)");
157 // We should nullify the results from accessors more than one level deep,
158 // but leave other fields untouched.
159 tryPostMessage(thunk(
160 'var obja = {get p() { return 42; }, q: 43}; ' +
161 'return {get a() { return obja; }};'
162 ), false, "evalThunk", function(v) {
163 doPassFail(v.a.p === null, "accessor value was nullified");
164 doPassFail(v.a.q === 43, "non-accessor value was not nullified");
166 tryPostMessage(thunk(
167 'var objb = {get r() { return 44; }, t: 45}; ' +
168 'var obja = {get p() { return 42; }, q: 43, s: objb}; ' +
169 'return {get a() { return obja; }};'
170 ), false, "evalThunk", function(v) {
171 doPassFail(v.a.p === null, "accessor value was nullified");
172 doPassFail(v.a.q === 43, "non-accessor value was not nullified");
173 doPassFail(v.s !== null, "non-accessor value was not nullified");
174 doPassFail(v.a.s.r === null, "accessor value was nullified");
175 doPassFail(v.a.s.t === 45, "non-accessor value was not nullified");
177 tryPostMessage(thunk(
178 'var objb = {get r() { return 44; }, t: 45}; ' +
179 'var obja = {get p() { return 42; }, q: 43, s: [objb]}; ' +
180 'return {get c() { return 47; }, get a() { return obja; }, get b() { return 46; } };'
181 ), false, "evalThunk", function(v) {
182 doPassFail(v.b === 46, "accessor value was not nullified");
183 doPassFail(v.c === 47, "accessor value was not nullified");
184 doPassFail(v.a.p === null, "accessor value was nullified");
185 doPassFail(v.a.q === 43, "non-accessor value was not nullified");
186 doPassFail(v.a.s !== null, "non-accessor value was not nullified");
187 doPassFail(v.a.s !== undefined, "non-accessor value is defined");
188 doPassFail(v.a.s[0] !== null, "non-accessor value was not nullified");
189 doPassFail(v.a.s[0] !== undefined, "non-accessor value is defined");
190 doPassFail(v.a.s[0].r === null, "accessor value was nullified");
191 doPassFail(v.a.s[0].t === 45, "non-accessor value was not nullified");
194 // We need to pass out the exception raised from internal accessors.
195 tryPostMessage(thunk(
196 'return {get a() { throw "accessor-exn"; }};'
197 ), true, null, 'accessor-exn');
198 // We should still return the exception raised from nulled-out accessors.
199 tryPostMessage(thunk(
200 'var obja = {get p() { throw "accessor-exn"; }}; ' +
201 'return {get a() { return obja; }};'
202 ), true, null, 'accessor-exn');
203 // We should run the first nullified accessor, but no more.
204 tryPostMessage(thunk(
205 'window.bcalled = undefined; ' +
206 'window.acalled = undefined; ' +
207 'window.pcalled = undefined; ' +
208 'var objb = {get b() { window.bcalled = true; return 42; }}; ' +
209 'var obja = {get a() { window.acalled = true; return objb; }}; ' +
210 'return { get p() { window.pcalled = true; return obja; }};'
211 ), false, "evalThunk", function(v) {
212 doPassFail(v.p.a === null, "accessor value was nullified");
213 doPassFail(window.pcalled === true, "window.pcalled === true");
214 doPassFail(window.acalled === true, "window.acalled === true");
215 doPassFail(window.bcalled === undefined, "window.bcalled === undefined");
218 // Reference equality between Boolean objects must be maintained.
219 tryPostMessage(thunk(
220 'var t1 = new Boolean(true); ' +
221 'var t2 = new Boolean(true); ' +
222 'var f1 = new Boolean(false); ' +
223 'var f2 = new Boolean(false); ' +
224 'return [t1, t1, t2, f1, f1, f2];'
225 ), false, "evalThunk", function(v) {
226 doPassFail(equal(v[0], new Boolean(true)), "Boolean values correct (0)");
227 doPassFail(equal(v[3], new Boolean(false)), "Boolean values correct (3)");
228 doPassFail(equal(v[1], v[2]), "Boolean values correct (1,2)");
229 doPassFail(equal(v[4], v[5]), "Boolean values correct (4,5)");
230 doPassFail(v[0] === v[1], "References to Booleans correct (0,1)");
231 doPassFail(v[3] === v[4], "References to Booleans correct (3,4)");
232 doPassFail(v[0] !== v[2], "References to Booleans correct (0,2)");
233 doPassFail(v[3] !== v[5], "References to Booleans correct (3,5)");
236 // Reference equality between Number objects must be maintained.
237 tryPostMessage(thunk(
238 'var n1 = new Number(42.0); ' +
239 'var n2 = new Number(42.0); ' +
240 'return [n1, n1, n2];'
241 ), false, "evalThunk", function(v) {
242 doPassFail(equal(v[0], new Number(42.0)), "Number values correct (0)");
243 doPassFail(equal(v[0], v[2]), "Number values correct (0,2)");
244 doPassFail(v[0] === v[1], "References to numbers correct (0,1)");
245 doPassFail(v[0] !== v[2], "References to numbers correct (0,2)");
248 // Reference equality between String objects must be maintained.
249 tryPostMessage(thunk(
250 'var s1 = new String("gnirts"); ' +
251 'var s2 = new String("gnirts"); ' +
252 'return [s1, s1, s2];'
253 ), false, "evalThunk", function(v) {
254 doPassFail(equal(v[0], new String("gnirts")), "String values correct (0)");
255 doPassFail(equal(v[0], v[2]), "String values correct (0,2)");
256 doPassFail(v[0] === v[1], "References to strings correct (0,1)");
257 doPassFail(v[0] !== v[2], "References to strings correct (0,2)");
260 // Properties added to String, Boolean and Number objects should not be serialized.
261 tryPostMessage(thunk(
262 'var s = new String("gnirts"); ' +
263 'var n = new Number(42.0); ' +
264 'var b = new Boolean(true); ' +
265 's.foo = 1; n.foo = 2; b.foo = 3; ' +
267 ), false, "evalThunk", function(v) {
268 doPassFail(v[0].foo == undefined, "String object properties not serialized");
269 doPassFail(v[1].foo == undefined, "Number object properties not serialized");
270 doPassFail(v[2].foo == undefined, "Boolean object properties not serialized");
273 // Reference equality between dates must be maintained.
274 tryPostMessage(thunk(
275 'var d1 = new Date(1,2,3); ' +
276 'var d2 = new Date(1,2,3); ' +
278 ), false, "evalThunk", function(v) {
279 doPassFail(equal(v[0], new Date(1,2,3)), "Date values correct (0)");
280 doPassFail(equal(v[0], v[2]), "Date values correct (1)");
281 doPassFail(v[0] === v[1], "References to dates correct (0)");
282 doPassFail(v[0] !== v[2], "References to dates correct (1)");
285 // Reference equality between regexps must be preserved.
286 tryPostMessage(thunk(
287 'var rx1 = new RegExp("foo"); ' +
288 'var rx2 = new RegExp("foo"); ' +
289 'var rx3 = new RegExp("foo", "gim"); ' +
290 'rx3.exec("foofoofoo"); ' +
291 'doPassFail(rx3.lastIndex === 3, "lastIndex initially correct: was " + rx3.lastIndex); ' +
292 'return [rx1,rx1,rx2,rx3];'
293 ), false, "evalThunk", function(v) {
294 doPassFail(v[0].source === "foo", "Regexp value correct (0)");
295 doPassFail(v[0] === v[1], "References to regexps correct (0)");
296 doPassFail(v[0] !== v[2], "References to regexps correct (1)");
297 doPassFail(v[0].global === false, "global set (0)");
298 doPassFail(v[3].global === true, "global set (1)");
299 doPassFail(v[0].ignoreCase === false, "ignoreCase set (0)");
300 doPassFail(v[3].ignoreCase === true, "ignoreCase set (1)");
301 doPassFail(v[0].multiline === false, "multiline set (0)");
302 doPassFail(v[3].multiline === true, "multiline set (1)");
303 doPassFail(v[0].lastIndex === 0, "lastIndex correct (0)");
304 doPassFail(v[3].lastIndex === 0, "lastIndex correct (1)");
307 if (window.eventSender) {
308 tryPostMessage(thunk(
309 'window.fileList = fileInput.files; ' +
310 'window.file0 = fileList[0]; ' +
311 'window.file1 = fileList[1]; ' +
312 'return window.fileList.length'), false, 2);
313 doPassFail(window.fileList[0] === window.file0, "sanity on file reference equality")
314 // The standard mandates that we do _not_ maintain reference equality for files in a transferred FileList.
315 tryPostMessage(thunk('return [window.file0, window.file0];'
316 ), false, "evalThunk", function(v) { doPassFail(v[0] === v[1], "file references transfer")});
317 tryPostMessage(thunk('return [window.fileList, window.file0];'
318 ), false, "evalThunk", function(v) { doPassFail(v[0][0] !== v[1], "FileList should not respect reference equality")});
319 tryPostMessage(thunk('return [window.file0, window.fileList];'
320 ), false, "evalThunk", function(v) { doPassFail(v[1][0] !== v[0], "FileList should not respect reference equality")});
321 tryPostMessage(thunk('return [window.fileList, window.fileList];'
322 ), false, "evalThunk", function(v) { doPassFail(v[0] === v[1], "FileList respects self-reference equality")});
323 tryPostMessage(thunk('return [window.fileList, window.file0, window.file1]'
324 ), false, "evalThunk", function(v) {
325 doPassFail(v[0].length === window.fileList.length, "FileList length sent correctly");
326 doPassFail(v[0][0] !== v[1], "FileList should not respect reference equality (0)");
327 doPassFail(v[0][1] !== v[2], "FileList should not respect reference equality (1)");
328 doPassFail(v[0][0].name == window.file0.name, "FileList preserves order and data (name0)");
329 doPassFail(v[0][1].name == window.file1.name, "FileList preserves order and data (name1)");
330 doPassFail(equal(v[0][0].lastModifiedDate, window.file0.lastModifiedDate), "FileList preserves order and data (date0)");
331 doPassFail(equal(v[0][1].lastModifiedDate, window.file1.lastModifiedDate), "FileList preserves order and data (date1)");
334 tryPostMessage('"done"');