Debugger-multi-01.js

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// When there are multiple debuggers, their hooks are called in order.

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

var log;

var arr = [];

function addDebug(msg) {

    var dbg = new Debugger(g);

    dbg.onDebuggerStatement = function (stack) { log += msg; };

    arr.push(dbg);

addDebug('a');

addDebug('b');

addDebug('c');

log = '';

assertEq(g.eval("debugger; 0;"), 0);

assertEq(log, 'abc');

// Calling debugger hooks continues, even if one returns a resumption value

// other than undefined.

arr[0].onDebuggerStatement = function (stack) {

    log += 'a';

    return {return: 1};

};

log = '';

assertEq(g.eval("debugger; 0;"), 1);

assertEq(log, 'abc');