Source code
Revision control
Copy as Markdown
Other Tools
// Test exception stack behavior when reusing completion values as resumption
// values.
load(libdir + "asserts.js");
var g = newGlobal({newCompartment: true});
g.eval(`
function foo() {
bar();
}
function bar() {
debugger;
}
function baz() {
throw new Error();
}
`);
var dbg = Debugger(g);
dbg.onDebuggerStatement = frame => {
return frame.eval("baz()");
};
let popHits = 0;
dbg.onEnterFrame = frame => {
frame.onPop = completion => {
popHits++;
// Resumption values ignore any 'stack' property, and the script location of
// the place where the hook was called will be used when throwing.
if (popHits <= 2) {
assertEq(completion.stack.functionDisplayName, "baz");
} else {
assertEq(completion.stack.functionDisplayName, "bar");
}
};
};
try {
g.eval("foo()");
} catch (e) {}
assertEq(popHits, 5);