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// |jit-test| skip-if: !this.hasOwnProperty("ReadableStream")
// Test uncatchable error when a stream's queuing strategy's size() method is called.
// Make `debugger;` raise an uncatchable exception.
let g = newGlobal({newCompartment: true});
g.parent = this;
g.hit = false;
g.eval(`
var dbg = new Debugger(parent);
dbg.onDebuggerStatement = (_frame, exc) => (hit = true, null);
`);
let fnFinished = false;
async function fn() {
// Await once to postpone the uncatchable error until we're running inside
// a reaction job. We don't want the rest of the test to be terminated.
// (`drainJobQueue` catches uncatchable errors!)
await 1;
try {
// Create a stream with a strategy whose .size() method raises an
// uncatchable exception, and have it call that method.
new ReadableStream({
start(controller) {
controller.enqueue("FIRST POST"); // this calls .size()
}
}, {
size() {
debugger;
}
});
} finally {
fnFinished = true;
}
}
fn();
drainJobQueue();
assertEq(g.hit, true);
assertEq(fnFinished, false);
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