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// onStep works during the evaluation of default parameter values in generators.
//
// (They're evaluated at a weird time in the generator life cycle, before the
// generator object is created.)
load(libdir + "asserts.js");
let g = newGlobal({newCompartment: true});
g.eval(`\
function f1() {} // line 1
function f2() {} // 2
function f3() {} // 3
// 4
function* gen( // 5
name, // 6
schema = f1(), // 7
timeToLive = f2(), // 8
lucidity = f3() // 9
) { // 10
} // 11
`);
let dbg = Debugger(g);
let log = [];
dbg.onEnterFrame = frame => {
frame.onStep = () => {
let line = frame.script.getOffsetLocation(frame.offset).lineNumber;
if (log.length == 0 || line != log[log.length - 1]) {
log.push(line);
}
};
};
g.gen(0);
assertDeepEq(log, [5, 7, 1, 8, 2, 9, 3, 10]);
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