Script-mainOffset-01.js

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/* -*- indent-tabs-mode: nil; js-indent-level: 2; js-indent-level: 2 -*- */

// The main offset of a script should be hit before it performs any actions.

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

g.eval("var n = 0; function foo() { n = 1; }");

var dbg = Debugger(g);

var hits = 0;

function breakpointHit(frame) {

  hits++;

  assertEq(frame.eval("n").return, 0);

dbg.onDebuggerStatement = function (frame) {

  var script = frame.eval("foo").return.script;

  script.setBreakpoint(script.mainOffset, { hit: breakpointHit });

};

g.eval("debugger; foo()");

assertEq(g.eval("n"), 1);

assertEq(hits, 1);