js/src/jit-test/tests/debug/Frame-onPop-star-generators-03.js@6474c204b198 (annotated)
js/src/jit-test/tests/debug/Frame-onPop-star-generators-03.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 | // Each resumption of an ES6 generator gets a fresh frame, whose onPop |
| michael@0 | 2 | // handler fires the next time the generator yields. This is not the |
| michael@0 | 3 | // behavior the spec requests, but it's what we do for the moment, and |
| michael@0 | 4 | // it's good to check that at least we don't crash. |
| michael@0 | 5 | |
| michael@0 | 6 | load(libdir + 'iteration.js'); |
| michael@0 | 7 | |
| michael@0 | 8 | var g = newGlobal(); |
| michael@0 | 9 | var dbg = new Debugger(g); |
| michael@0 | 10 | var log; |
| michael@0 | 11 | |
| michael@0 | 12 | var debuggerFrames = []; |
| michael@0 | 13 | var poppedFrames = []; |
| michael@0 | 14 | dbg.onDebuggerStatement = function handleDebugger(frame) { |
| michael@0 | 15 | log += 'd'; |
| michael@0 | 16 | assertEq(frame.type, "call"); |
| michael@0 | 17 | |
| michael@0 | 18 | assertEq(debuggerFrames.indexOf(frame), -1); |
| michael@0 | 19 | assertEq(poppedFrames.indexOf(frame), -1); |
| michael@0 | 20 | debuggerFrames.push(frame); |
| michael@0 | 21 | |
| michael@0 | 22 | if (frame.eval('i').return % 3 == 0) { |
| michael@0 | 23 | frame.onPop = function handlePop(c) { |
| michael@0 | 24 | log += ')' + c.return.value; |
| michael@0 | 25 | assertEq(debuggerFrames.indexOf(this) != -1, true); |
| michael@0 | 26 | assertEq(poppedFrames.indexOf(this), -1); |
| michael@0 | 27 | poppedFrames.push(this); |
| michael@0 | 28 | }; |
| michael@0 | 29 | } |
| michael@0 | 30 | }; |
| michael@0 | 31 | |
| michael@0 | 32 | g.eval("function* g() { for (var i = 0; i < 10; i++) { debugger; yield i; } }"); |
| michael@0 | 33 | log =''; |
| michael@0 | 34 | g.eval("var t = 0, iter = g();"); |
| michael@0 | 35 | for (var j = 0; j < 10; j++) |
| michael@0 | 36 | g.eval("t += iter.next().value;"); |
| michael@0 | 37 | assertIteratorResult(g.eval("iter.next()"), undefined, true); |
| michael@0 | 38 | assertEq(g.eval("t"), 45); |
| michael@0 | 39 | |
| michael@0 | 40 | // FIXME: Should equal this, but see bug 917809. |
| michael@0 | 41 | // assertEq(log, "d)0ddd)3ddd)6ddd)9"); |
| michael@0 | 42 | assertEq(log, "d)undefinedddd)undefinedddd)undefinedddd)undefined"); |
