michael@0: // |jit-test| debug
michael@0: // Don't allow cycles in the graph of the compartment "debugs" relation.
michael@0: 
michael@0: load(libdir + "asserts.js");
michael@0: 
michael@0: // trivial cycles
michael@0: var dbg = new Debugger;
michael@0: assertThrowsInstanceOf(function () { dbg.addDebuggee(this); }, TypeError);
michael@0: assertThrowsInstanceOf(function () { new Debugger(this); }, TypeError);
michael@0: 
michael@0: // cycles of length 2
michael@0: var d1 = newGlobal();
michael@0: d1.top = this;
michael@0: d1.eval("var dbg = new Debugger(top)");
michael@0: assertThrowsInstanceOf(function () { dbg.addDebuggee(d1); }, TypeError);
michael@0: assertThrowsInstanceOf(function () { new Debugger(d1); }, TypeError);
michael@0: 
michael@0: // cycles of length 3
michael@0: var d2 = newGlobal();
michael@0: d2.top = this;
michael@0: d2.eval("var dbg = new Debugger(top.d1)");
michael@0: assertThrowsInstanceOf(function () { dbg.addDebuggee(d2); }, TypeError);
michael@0: assertThrowsInstanceOf(function () { new Debugger(d2); }, TypeError);