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js/src/jit-test/tests/generators/es6-syntax.js@6474c204b198 (annotated)

js/src/jit-test/tests/generators/es6-syntax.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.

michael@0	1	// Test interactions between ES6 generators and not-yet-standard
michael@0	2	// features.
michael@0	3
michael@0	4	function assertSyntaxError(str) {
michael@0	5	var msg;
michael@0	6	var evil = eval;
michael@0	7	try {
michael@0	8	// Non-direct eval.
michael@0	9	evil(str);
michael@0	10	} catch (exc) {
michael@0	11	if (exc instanceof SyntaxError)
michael@0	12	return;
michael@0	13	msg = "Assertion failed: expected SyntaxError, got " + exc;
michael@0	14	}
michael@0	15	if (msg === undefined)
michael@0	16	msg = "Assertion failed: expected SyntaxError, but no exception thrown";
michael@0	17	throw new Error(msg + " - " + str);
michael@0	18	}
michael@0	19
michael@0	20	// Destructuring binding.
michael@0	21	assertSyntaxError("function* f(x = yield) {}");
michael@0	22	assertSyntaxError("function* f(x = yield 17) {}");
michael@0	23	assertSyntaxError("function* f([yield]) {}");
michael@0	24	assertSyntaxError("function* f({ yield }) {}");
michael@0	25	assertSyntaxError("function* f(...yield) {}");
michael@0	26
michael@0	27	// For each.
michael@0	28	assertSyntaxError("for yield");
michael@0	29	assertSyntaxError("for yield (;;) {}");
michael@0	30	assertSyntaxError("for yield (x of y) {}");
michael@0	31	assertSyntaxError("for yield (var i in o) {}");
michael@0	32
michael@0	33	// Expression bodies.
michael@0	34	assertSyntaxError("function* f() yield 7");