Script-gc-01.js - mozsearch

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// Debugger.Script instances with live referents stay alive.

var N = 4;

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

var dbg = new Debugger(g);

var i;

dbg.onDebuggerStatement = function (frame) {

    assertEq(frame.script instanceof Debugger.Script, true);

    frame.script.id = i;

};

g.eval('var arr = [];')

for (i = 0; i < N; i++)  // loop to defeat conservative GC

    g.eval("arr.push(function () { debugger }); arr[arr.length - 1]();");

gc();

var hits;

dbg.onDebuggerStatement = function (frame) {

    hits++;

    assertEq(frame.script.id, i);

};

hits = 0;

for (i = 0; i < N; i++)

    g.arr[i]();

assertEq(hits, N);