michael@0: // Check whether we respect resumption values when toggling debug mode on->off
michael@0: // from various points with live scripts on the stack.
michael@0: 
michael@0: var g = newGlobal();
michael@0: var dbg = new Debugger;
michael@0: 
michael@0: function reset() {
michael@0:   dbg.onEnterFrame = undefined;
michael@0:   dbg.onDebuggerStatement = undefined;
michael@0:   dbg.addDebuggee(g);
michael@0:   g.eval("(" + function test() {
michael@0:     for (i = 0; i < 5; i++)
michael@0:       f(42);
michael@0:   } + ")();");
michael@0: }
michael@0: 
michael@0: g.eval("" + function f(d) {
michael@0:   return g(d);
michael@0: });
michael@0: 
michael@0: g.eval("" + function g(d) {
michael@0:   debugger;
michael@0:   return d;
michael@0: });
michael@0: 
michael@0: function testResumptionValues(handlerSetter) {
michael@0:   // Test normal return.
michael@0:   reset();
michael@0:   handlerSetter(undefined);
michael@0:   assertEq(g.eval("(" + function test() { return f(42); } + ")();"), 42);
michael@0: 
michael@0:   // Test forced return.
michael@0:   reset();
michael@0:   handlerSetter({ return: "not 42" });
michael@0:   assertEq(g.eval("(" + function test() { return f(42); } + ")();"), "not 42");
michael@0: 
michael@0:   // Test throw.
michael@0:   reset();
michael@0:   handlerSetter({ throw: "thrown 42" });
michael@0:   try {
michael@0:     g.eval("(" + function test() { return f(42); } + ")();");;
michael@0:   } catch (e) {
michael@0:     assertEq(e, "thrown 42");
michael@0:   }
michael@0: }
michael@0: 
michael@0: // Turn off from within the prologue.
michael@0: testResumptionValues(function (resumptionVal) {
michael@0:   dbg.onEnterFrame = function (frame) {
michael@0:     if (frame.older) {
michael@0:       if (frame.older.older) {
michael@0:         dbg.removeDebuggee(g);
michael@0:         return resumptionVal;
michael@0:       }
michael@0:     }
michael@0:   };
michael@0: });
michael@0: 
michael@0: // Turn off from within the epilogue.
michael@0: testResumptionValues(function (resumptionVal) {
michael@0:   dbg.onEnterFrame = function (frame) {
michael@0:     if (frame.older) {
michael@0:       if (frame.older.older) {
michael@0:         frame.onPop = function () {
michael@0:           dbg.removeDebuggee(g);
michael@0:           return resumptionVal;
michael@0:         };
michael@0:       }
michael@0:     }
michael@0:   };
michael@0: });
michael@0: 
michael@0: // Turn off from within debugger statement handler.
michael@0: testResumptionValues(function (resumptionVal) {
michael@0:   dbg.onDebuggerStatement = function (frame) {
michael@0:     dbg.removeDebuggee(g);
michael@0:     return resumptionVal;
michael@0:   };
michael@0: });
michael@0: 
michael@0: // Turn off from within debug trap handler.
michael@0: testResumptionValues(function (resumptionVal) {
michael@0:   dbg.onEnterFrame = function (frame) {
michael@0:     if (frame.older) {
michael@0:       if (frame.older.older) {
michael@0:         frame.onStep = function () {
michael@0:           dbg.removeDebuggee(g);
michael@0:           return resumptionVal;
michael@0:         }
michael@0:       }
michael@0:     }
michael@0:   };
michael@0: });