| // Test that Ion frames are invalidated by turning on Debugger. Invalidation |
| // is unobservable, but we know that Ion scripts cannot handle Debugger |
| // handlers, so we test for the handlers being called. |
| |
| load(libdir + "jitopts.js"); |
| |
| if (!jitTogglesMatch(Opts_Ion2NoOffthreadCompilation)) |
| quit(); |
| |
| // GCs can invalidate JIT code and cause this test to fail. |
| if ('gczeal' in this) |
| gczeal(0); |
| |
| withJitOptions(Opts_Ion2NoOffthreadCompilation, function () { |
| var g = newGlobal(); |
| var dbg = new Debugger; |
| |
| g.toggle = function toggle(d) { |
| if (d) { |
| dbg.addDebuggee(g); |
| |
| var frame = dbg.getNewestFrame(); |
| assertEq(frame.implementation, "ion"); |
| assertEq(frame.constructing, true); |
| |
| // overflow args are read from the parent's frame |
| // ensure we have the right offset to read from those. |
| assertEq(frame.arguments[1], 15); |
| } |
| }; |
| |
| g.eval("" + function f(d) { new g(d, 15); }); |
| |
| g.eval("" + function g(d) { toggle(d); }); |
| |
| g.eval("(" + function test() { |
| for (var i = 0; i < 5; i++) |
| f(false); |
| f(true); |
| } + ")();"); |
| }); |