js/src/jit-test/tests/debug/surfaces-01.js

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1 // Check superficial characteristics of functions and properties (not functionality).
2
3 function checkFunction(obj, name, nargs) {
4 var desc = Object.getOwnPropertyDescriptor(obj, name);
5 assertEq(desc.configurable, true, name + " should be configurable");
6 assertEq(desc.writable, true, name + " should be writable");
7 assertEq(desc.enumerable, false, name + " should be non-enumerable");
8 assertEq(desc.value, obj[name]); // well obviously
9 assertEq(typeof desc.value, 'function', name + " should be a function");
10 assertEq(desc.value.length, nargs, name + " should have .length === " + nargs);
11 }
12
13 checkFunction(this, "Debugger", 1);
14
15 assertEq(Debugger.prototype.constructor, Debugger);
16 assertEq(Object.prototype.toString.call(Debugger.prototype), "[object Debugger]");
17 assertEq(Object.getPrototypeOf(Debugger.prototype), Object.prototype);

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