gc-02.js - mozsearch

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// Dispatching an event to a debugger must keep enough of it gc-alive to avoid

// crashing.

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

var hits;

function addDebug() {

    // The loop is here to defeat the conservative GC. :-\

    for (var i = 0; i < 4; i++) {

        var dbg = new Debugger(g);

        dbg.onDebuggerStatement = function (stack) {

            hits++;

            this.enabled = false;

            this.onDebuggerStatement = undefined;

            gc();

};

        if (i > 0) {

            dbg.enabled = false;

            dbg.onDebuggerStatement = undefined;

            dbg = null;

addDebug();

hits = 0;

g.eval("debugger;");

assertEq(hits, 1);