Thu, 15 Jan 2015 21:03:48 +0100
Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)
michael@0 | 1 | // Constant folding doesn't affect strict delete either. |
michael@0 | 2 | // In particular, it doesn't affect whether |delete x| is a strict error. |
michael@0 | 3 | |
michael@0 | 4 | load(libdir + "asserts.js"); |
michael@0 | 5 | |
michael@0 | 6 | (function (x) { |
michael@0 | 7 | "use strict"; |
michael@0 | 8 | |
michael@0 | 9 | // These senseless delete-expressions are legal even in strict mode. |
michael@0 | 10 | // Per ES5.1 11.4.1 step 2, each one does nothing and returns true. |
michael@0 | 11 | assertEq(delete (1 ? x : x), true); |
michael@0 | 12 | assertEq(delete (0 || x), true); |
michael@0 | 13 | assertEq(delete (1 && x), true); |
michael@0 | 14 | |
michael@0 | 15 | // Plain `delete x` is a SyntaxError though. |
michael@0 | 16 | assertThrowsInstanceOf(() => eval('delete x'), SyntaxError); |
michael@0 | 17 | assertThrowsInstanceOf(() => Function('"use strict"; delete x'), SyntaxError); |
michael@0 | 18 | }()); |