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1 // Copyright 2009 the V8 project authors. All rights reserved. | |
2 // Redistribution and use in source and binary forms, with or without | |
3 // modification, are permitted provided that the following conditions are | |
4 // met: | |
5 // | |
6 // * Redistributions of source code must retain the above copyright | |
7 // notice, this list of conditions and the following disclaimer. | |
8 // * Redistributions in binary form must reproduce the above | |
9 // copyright notice, this list of conditions and the following | |
10 // disclaimer in the documentation and/or other materials provided | |
11 // with the distribution. | |
12 // * Neither the name of Google Inc. nor the names of its | |
13 // contributors may be used to endorse or promote products derived | |
14 // from this software without specific prior written permission. | |
15 // | |
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
27 | |
28 // Test that we match JSC in making some functions undeletable. | |
29 // See http://code.google.com/p/chromium/issues/detail?id=1717 | |
30 | |
31 var array; | |
32 | |
33 array = [ | |
34 "toString", "toLocaleString", "join", "pop", "push", "concat", "reverse", | |
35 "shift", "unshift", "slice", "splice", "sort", "filter", "forEach", "some", | |
36 "every", "map", "indexOf", "lastIndexOf", "reduce", "reduceRight"]; | |
37 CheckJSCSemantics(Array.prototype, array, "Array prototype"); | |
38 | |
39 array = [ | |
40 "toString", "toDateString", "toTimeString", "toLocaleString", | |
41 "toLocaleDateString", "toLocaleTimeString", "valueOf", "getTime", | |
42 "getFullYear", "getUTCFullYear", "getMonth", "getUTCMonth", "getDate", | |
43 "getUTCDate", "getDay", "getUTCDay", "getHours", "getUTCHours", "getMinutes", | |
44 "getUTCMinutes", "getSeconds", "getUTCSeconds", "getMilliseconds", | |
45 "getUTCMilliseconds", "getTimezoneOffset", "setTime", "setMilliseconds", | |
46 "setUTCMilliseconds", "setSeconds", "setUTCSeconds", "setMinutes", | |
47 "setUTCMinutes", "setHours", "setUTCHours", "setDate", "setUTCDate", | |
48 "setMonth", "setUTCMonth", "setFullYear", "setUTCFullYear", "toGMTString", | |
49 "toUTCString", "getYear", "setYear", "toISOString", "toJSON"]; | |
50 CheckJSCSemantics(Date.prototype, array, "Date prototype"); | |
51 | |
52 array = [ | |
53 "random", "abs", "acos", "asin", "atan", "ceil", "cos", "exp", "floor", "log", | |
54 "round", "sin", "sqrt", "tan", "atan2", "pow", "max", "min"]; | |
55 CheckJSCSemantics(Math, array, "Math1"); | |
56 | |
57 CheckEcmaSemantics(Date, ["UTC", "parse", "now"], "Date"); | |
58 | |
59 array = [ | |
60 "E", "LN10", "LN2", "LOG2E", "LOG10E", "PI", "SQRT1_2", "SQRT2"]; | |
61 CheckDontDelete(Math, array, "Math2"); | |
62 | |
63 array = [ | |
64 "escape", "unescape", "decodeURI", "decodeURIComponent", "encodeURI", | |
65 "encodeURIComponent", "isNaN", "isFinite", "parseInt", "parseFloat", "eval", | |
66 "execScript"]; | |
67 CheckEcmaSemantics(this, array, "Global"); | |
68 CheckReadOnlyAttr(this, "Infinity"); | |
69 | |
70 array = ["exec", "test", "toString", "compile"]; | |
71 CheckEcmaSemantics(RegExp.prototype, array, "RegExp prototype"); | |
72 | |
73 array = [ | |
74 "toString", "toLocaleString", "valueOf", | |
75 //"hasOwnProperty", | |
76 "isPrototypeOf", "propertyIsEnumerable", "__defineGetter__", | |
77 "__lookupGetter__", "__defineSetter__", "__lookupSetter__"]; | |
78 CheckEcmaSemantics(Object.prototype, array, "Object prototype"); | |
79 | |
80 array = [ | |
81 "toString", "valueOf", "toJSON"]; | |
82 CheckEcmaSemantics(Boolean.prototype, array, "Boolean prototype"); | |
83 | |
84 array = [ | |
85 "toString", "toLocaleString", "valueOf", "toFixed", "toExponential", | |
86 "toPrecision", "toJSON"]; | |
87 CheckEcmaSemantics(Number.prototype, array, "Number prototype"); | |
88 | |
89 CheckEcmaSemantics(Function.prototype, ["toString"], "Function prototype"); | |
90 | |
91 array = [ | |
92 "charAt", "charCodeAt", "concat", "indexOf", | |
93 "lastIndexOf", "localeCompare", "match", "replace", "search", "slice", | |
94 "split", "substring", "substr", "toLowerCase", "toLocaleLowerCase", | |
95 "toUpperCase", "toLocaleUpperCase", "link", "anchor", "fontcolor", "fontsize", | |
96 "big", "blink", "bold", "fixed", "italics", "small", "strike", "sub", "sup", | |
97 "toJSON", "toString", "valueOf"]; | |
98 CheckJSCSemantics(String.prototype, array, "String prototype"); | |
99 CheckEcmaSemantics(String, ["fromCharCode"], "String"); | |
100 | |
101 | |
102 function CheckEcmaSemantics(type, props, name) { | |
103 print(name); | |
104 for (var i = 0; i < props.length; i++) { | |
105 CheckDeletable(type, props[i]); | |
106 } | |
107 } | |
108 | |
109 | |
110 function CheckJSCSemantics(type, props, name) { | |
111 print(name); | |
112 for (var i = 0; i < props.length; i++) { | |
113 CheckNotDeletable(type, props[i]); | |
114 } | |
115 } | |
116 | |
117 | |
118 function CheckDontDelete(type, props, name) { | |
119 print(name); | |
120 for (var i = 0; i < props.length; i++) { | |
121 CheckDontDeleteAttr(type, props[i]); | |
122 } | |
123 } | |
124 | |
125 | |
126 function CheckDeletable(type, prop) { | |
127 var old = type[prop]; | |
128 if (!type[prop]) return; | |
129 assertTrue(type.hasOwnProperty(prop), "inherited: " + prop); | |
130 var deleted = delete type[prop]; | |
131 assertTrue(deleted, "delete operator returned false: " + prop); | |
132 assertFalse(type.hasOwnProperty(prop), "still there after delete: " + prop); | |
133 type[prop] = "foo"; | |
134 assertEquals("foo", type[prop], "not overwritable: " + prop); | |
135 } | |
136 | |
137 | |
138 function CheckNotDeletable(type, prop) { | |
139 var old = type[prop]; | |
140 if (!type[prop]) return; | |
141 assertTrue(type.hasOwnProperty(prop), "inherited: " + prop); | |
142 var deleted = delete type[prop]; | |
143 // Comment this next line to pass the test on JSC: | |
144 assertFalse(deleted, "delete operator returned true: " + prop); | |
145 assertTrue(type.hasOwnProperty(prop), "not there after delete: " + prop); | |
146 type[prop] = "foo"; | |
147 assertEquals("foo", type[prop], "not overwritable: " + prop); | |
148 } | |
149 | |
150 | |
151 function CheckDontDeleteAttr(type, prop) { | |
152 var old = type[prop]; | |
153 if (!type[prop]) return; | |
154 assertTrue(type.hasOwnProperty(prop), "inherited: " + prop); | |
155 var deleted = delete type[prop]; | |
156 assertFalse(deleted, "delete operator returned true: " + prop); | |
157 assertTrue(type.hasOwnProperty(prop), "not there after delete: " + prop); | |
158 type[prop] = "foo"; | |
159 assertFalse("foo" == type[prop], "overwritable: " + prop); | |
160 } | |
161 | |
162 | |
163 function CheckReadOnlyAttr(type, prop) { | |
164 var old = type[prop]; | |
165 if (!type[prop]) return; | |
166 assertTrue(type.hasOwnProperty(prop), "inherited: " + prop); | |
167 var deleted = delete type[prop]; | |
168 assertFalse(deleted, "delete operator returned true: " + prop); | |
169 assertTrue(type.hasOwnProperty(prop), "not there after delete: " + prop); | |
170 type[prop] = "foo"; | |
171 assertEquals("foo", type[prop], "overwritable: " + prop); | |
172 } | |
173 | |
174 print("OK"); | |
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