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comparison: js/src/jit-test/tests/debug/Object-seal-01.js
js/src/jit-test/tests/debug/Object-seal-01.js
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| -1:000000000000 | 0:7854d9b055a3 |
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| 1 // Basic tests for obj.{seal,freeze,preventExtensions,isSealed,isFrozen,isExtensible}. | |
| 2 | |
| 3 var g = newGlobal(); | |
| 4 var dbg = new Debugger; | |
| 5 var gw = dbg.addDebuggee(g); | |
| 6 | |
| 7 g.eval("function compareObjects() {\n" + | |
| 8 " assertEq(Object.isExtensible(x), Object.isExtensible(y));\n" + | |
| 9 " var xnames = Object.getOwnPropertyNames(x).sort();\n" + | |
| 10 " var ynames = Object.getOwnPropertyNames(y).sort();\n" + | |
| 11 " assertEq(xnames.length, ynames.length);\n" + | |
| 12 " for (var i = 0; i < xnames.length; i++) {\n" + | |
| 13 " assertEq(xnames[i], ynames[i]);\n" + | |
| 14 " var name = xnames[i];\n" + | |
| 15 " var xd = Object.getOwnPropertyDescriptor(x, name);\n" + | |
| 16 " var yd = Object.getOwnPropertyDescriptor(y, name);\n" + | |
| 17 " assertEq(xd.configurable, yd.configurable, code + '.' + name + ' .configurable');\n" + | |
| 18 " assertEq(xd.enumerable, yd.enumerable, code + '.' + name + ' .enumerable');\n" + | |
| 19 " assertEq(xd.writable, yd.writable, code + '.' + name + ' .writable');\n" + | |
| 20 " }\n" + | |
| 21 "}\n"); | |
| 22 | |
| 23 function test(code) { | |
| 24 g.code = code; | |
| 25 g.eval("x = (" + code + ");"); | |
| 26 g.eval("y = (" + code + ");"); | |
| 27 var xw = gw.getOwnPropertyDescriptor("x").value; | |
| 28 | |
| 29 function check() { | |
| 30 // The Debugger.Object seal/freeze/preventExtensions methods | |
| 31 // had the same effect as the corresponding ES5 Object methods. | |
| 32 g.compareObjects(); | |
| 33 | |
| 34 // The Debugger.Object introspection methods agree with the ES5 Object methods. | |
| 35 assertEq(xw.isExtensible(), g.Object.isExtensible(g.x), code + ' isExtensible'); | |
| 36 assertEq(xw.isSealed(), g.Object.isSealed(g.x), code + ' isSealed'); | |
| 37 assertEq(xw.isFrozen(), g.Object.isFrozen(g.x), code + ' isFrozen'); | |
| 38 } | |
| 39 | |
| 40 check(); | |
| 41 | |
| 42 xw.preventExtensions(); | |
| 43 assertEq(g.Object.isExtensible(g.x), false, code + ' preventExtensions'); | |
| 44 g.Object.preventExtensions(g.y); | |
| 45 check(); | |
| 46 | |
| 47 xw.seal(); | |
| 48 assertEq(g.Object.isSealed(g.x), true, code + ' seal'); | |
| 49 g.Object.seal(g.y); | |
| 50 check(); | |
| 51 | |
| 52 xw.freeze(); | |
| 53 assertEq(g.Object.isFrozen(g.x), true, code + ' freeze'); | |
| 54 g.Object.freeze(g.y); | |
| 55 check(); | |
| 56 } | |
| 57 | |
| 58 test("{}"); | |
| 59 test("{a: [1], get b() { return -1; }}"); | |
| 60 test("Object.create(null, {x: {value: 3}, y: {get: Math.min}})"); | |
| 61 test("[]"); | |
| 62 test("[,,,,,]"); | |
| 63 test("[0, 1, 2]"); |
