js/src/tests/ecma_5/Expressions/nested-delete-name-in-evalcode.js@6474c204b198
js/src/tests/ecma_5/Expressions/nested-delete-name-in-evalcode.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 // Any copyright is dedicated to the Public Domain.
2 // http://creativecommons.org/licenses/publicdomain/
4 //-----------------------------------------------------------------------------
5 var BUGNUMBER = 616294;
6 var summary =
7 "|delete x| inside a function in eval code, where that eval code includes " +
8 "|var x| at top level, actually does delete the binding for x";
10 print(BUGNUMBER + ": " + summary);
12 /**************
13 * BEGIN TEST *
14 **************/
16 var f;
18 function testOuterVar()
19 {
20 return eval("var x; (function() { return delete x; })");
21 }
23 f = testOuterVar();
25 assertEq(f(), true); // configurable, so remove => true
26 assertEq(f(), true); // not there => true (only non-configurable => false)
29 function testOuterFunction()
30 {
31 return eval("function x() { } (function() { return delete x; })");
32 }
34 f = testOuterFunction();
36 assertEq(f(), true); // configurable, so remove => true
37 assertEq(f(), true); // not there => true (only non-configurable => false)
40 function testOuterForVar()
41 {
42 return eval("for (var x; false; ); (function() { return delete x; })");
43 }
45 f = testOuterForVar();
47 assertEq(f(), true); // configurable, so remove => true
48 assertEq(f(), true); // not there => true (only non-configurable => false)
51 function testOuterForInVar()
52 {
53 return eval("for (var x in {}); (function() { return delete x; })");
54 }
56 f = testOuterForInVar();
58 assertEq(f(), true); // configurable, so remove => true
59 assertEq(f(), true); // not there => true (only non-configurable => false)
62 function testOuterNestedVar()
63 {
64 return eval("for (var q = 0; q < 5; q++) { var x; } (function() { return delete x; })");
65 }
67 f = testOuterNestedVar();
69 assertEq(f(), true); // configurable, so remove => true
70 assertEq(f(), true); // not there => true (only non-configurable => false)
73 function testOuterNestedConditionalVar()
74 {
75 return eval("for (var q = 0; q < 5; q++) { if (false) { var x; } } (function() { return delete x; })");
76 }
78 f = testOuterNestedConditionalVar();
80 assertEq(f(), true); // configurable, so remove => true
81 assertEq(f(), true); // not there => true (only non-configurable => false)
84 function testVarInWith()
85 {
86 return eval("with ({}) { var x; } (function() { return delete x; })");
87 }
89 f = testVarInWith();
91 assertEq(f(), true); // configurable, so remove => true
92 assertEq(f(), true); // not there => true (only non-configurable => false)
95 function testForVarInWith()
96 {
97 return eval("with ({}) { for (var x = 0; x < 5; x++); } (function() { return delete x; })");
98 }
100 f = testForVarInWith();
102 assertEq(f(), true); // configurable, so remove => true
103 assertEq(f(), true); // not there => true (only non-configurable => false)
106 function testForInVarInWith()
107 {
108 return eval("with ({}) { for (var x in {}); } (function() { return delete x; })");
109 }
111 f = testForInVarInWith();
113 assertEq(f(), true); // configurable, so remove => true
114 assertEq(f(), true); // not there => true (only non-configurable => false)
117 function testUnknown()
118 {
119 return eval("nameToDelete = 17; (function() { return delete nameToDelete; })");
120 }
122 f = testUnknown();
124 assertEq(f(), true); // configurable global property, so remove => true
125 assertEq(f(), true); // not there => true (only non-configurable => false)
128 function testArgumentShadow()
129 {
130 return eval("var x; (function(x) { return delete x; })");
131 }
133 f = testArgumentShadow();
135 assertEq(f(), false); // non-configurable argument => false
138 function testArgument()
139 {
140 return eval("(function(x) { return delete x; })");
141 }
143 f = testArgument();
145 assertEq(f(), false); // non-configurable argument => false
148 function testFunctionLocal()
149 {
150 return eval("(function() { var x; return delete x; })");
151 }
153 f = testFunctionLocal();
155 assertEq(f(), false); // defined by function code => not configurable => false
158 /******************************************************************************/
160 if (typeof reportCompare === "function")
161 reportCompare(true, true);
163 print("All tests passed!");
