Debugger-debuggees-31.js

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// |jit-test| skip-if: !hasFunction["gczeal"]

// Removing and adding debuggees during an incremental sweep should not confuse

// the generatorFrames map.

// Let any ongoing incremental GC finish, and then clear any ambient zeal

// settings established by the harness (the JS_GC_ZEAL env var, shell arguments,

// etc.)

gczeal(0);

let g = newGlobal({newCompartment: true});

g.eval('function* f() { yield 123; }');

let dbg = Debugger(g);

dbg.onEnterFrame = frame => {

    dbg.removeDebuggee(g);

    dbg.addDebuggee(g);

};

// Select GCZeal mode 10 (IncrementalMultipleSlices: Incremental GC in many

// slices) and use long slices, to make sure that the debuggee removal occurs

// during a slice.

gczeal(10, 0);

gcslice(1);

while (gcstate() !== "NotAcctive" && gcstate() !== "Sweep") {

  gcslice(1000);

let genObj = g.f();

genObj.return();

assertEq(gcstate(), "Sweep");