michael@0: // Code runs fine if do-nothing breakpoints are set on every line.
michael@0: 
michael@0: var g = newGlobal();
michael@0: var src = ("var line0 = Error().lineNumber;\n" +
michael@0:            "function gcd(a, b) {\n" +       // line0 + 1
michael@0:            "    if (a > b)\n" +             // line0 + 2
michael@0:            "            return gcd(b, a);\n" +  // line0 + 3
michael@0:            "    var c = b % a;\n" +         // line0 + 4
michael@0:            "    if (c === 0)\n" +           // line0 + 5
michael@0:            "            return a;\n" +          // line0 + 6
michael@0:            "    return gcd(c, a);\n" +      // line0 + 7
michael@0:            "}\n");                          // line0 + 8
michael@0: g.eval(src);
michael@0: 
michael@0: var dbg = Debugger(g);
michael@0: var hits = 0 ;
michael@0: dbg.onDebuggerStatement = function (frame) {
michael@0:     var s = frame.eval("gcd").return.script;
michael@0:     var offs;
michael@0:     for (var lineno = g.line0 + 2; (offs = s.getLineOffsets(lineno)).length > 0; lineno++) {
michael@0:         for (var i = 0; i < offs.length; i++)
michael@0:             s.setBreakpoint(offs[i], {hit: function (f) { hits++; }});
michael@0:     }
michael@0:     assertEq(lineno > g.line0 + 7, true);
michael@0:     assertEq(lineno <= g.line0 + 9, true);
michael@0: };
michael@0: 
michael@0: g.eval("debugger;");
michael@0: assertEq(g.gcd(31 * 7 * 5 * 3 * 2, 11 * 3 * 3 * 2), 6);
michael@0: assertEq(hits >= 18, true);