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function testDebuggerHooksNX(dbg, g, testHook) {
function testDebuggerHook(hookName, trigger) {
var hit = false;
dbg[hookName] = () => {
hit = true;
dbg[hookName] = undefined;
testHook(hookName);
};
trigger();
assertEq(hit, true);
}
// Hooks on the Debugger instance itself.
testDebuggerHook("onDebuggerStatement",
() => { g.eval("debugger;"); });
testDebuggerHook("onExceptionUnwind",
() => {
try {
g.eval("throw 42;");
} catch (e) {
assertEq(e, 42);
}
});
testDebuggerHook("onNewScript",
() => { g.eval("42"); });
testDebuggerHook("onEnterFrame",
() => { g.eval("(() => {})()"); });
testDebuggerHook("onNewGlobalObject",
() => { newGlobal(); });
if ('Promise' in g) {
testDebuggerHook("onNewPromise",
() => { new g.Promise(()=>{}); });
testDebuggerHook("onPromiseSettled",
() => {
var p = new g.Promise(()=>{});
g.settlePromiseNow(p);
});
}
// Hooks on frames.
var onStepHit = false;
var onPopHit = false;
dbg.onEnterFrame = (frame) => {
dbg.onEnterFrame = undefined;
frame.onStep = () => {
onStepHit = true;
frame.onStep = undefined;
testHook("onStep");
};
frame.onPop = () => {
onPopHit = true;
testHook("onPop");
};
};
g.eval("42");
assertEq(onStepHit, true);
// We can't actually assert that onPop executed because there's one test
// that tests NX works across a removeDebuggee/addDebuggee toggle. The
// removeDebuggee purges D.F instances, so the onPop won't be called even
// when the global is re-added.
//assertEq(onPopHit, true);
// Breakpoints
var breakpointHits = 0;
dbg.onDebuggerStatement = (frame) => {
dbg.onDebuggerStatement = undefined;
var line0 = frame.script.getOffsetLocation(frame.offset).lineNumber;
var offs = frame.script.getLineOffsets(line0 + 1);
for (let i = 0; i < offs.length; i++) {
frame.script.setBreakpoint(offs[i], {
hit: () => {
breakpointHits++;
testHook("breakpoint");
}
});
}
};
g.eval(`debugger;
s = 'a'`);
assertEq(breakpointHits >= 1, true);
}