breakpoint-07.js - mozsearch

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// Code runs fine if do-nothing breakpoints are set on every line.

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

var src = ("var line0 = Error().lineNumber;\n" +

           "function gcd(a, b) {\n" +       // line0 + 1

           "    if (a > b)\n" +             // line0 + 2

           "            return gcd(b, a);\n" +  // line0 + 3

           "    var c = b % a;\n" +         // line0 + 4

           "    if (c === 0)\n" +           // line0 + 5

           "            return a;\n" +          // line0 + 6

           "    return gcd(c, a);\n" +      // line0 + 7

           "}\n");                          // line0 + 8

g.eval(src);

var dbg = Debugger(g);

var hits = 0 ;

dbg.onDebuggerStatement = function (frame) {

    var s = frame.eval("gcd").return.script;

    var offs;

    for (var lineno = g.line0 + 2; (offs = s.getLineOffsets(lineno)).length > 0; lineno++) {

        for (var i = 0; i < offs.length; i++)

            s.setBreakpoint(offs[i], {hit: function (f) { hits++; }});

    assertEq(lineno > g.line0 + 7, true);

    assertEq(lineno <= g.line0 + 9, true);

};

g.eval("debugger;");

assertEq(g.gcd(31 * 7 * 5 * 3 * 2, 11 * 3 * 3 * 2), 6);

assertEq(hits >= 18, true);