The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/jit-test/tests/debug/Script-sourceStart-03.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,35 @@
     1.4 +/*
     1.5 + * For arrow functions, Script.prototype.sourceStart and
     1.6 + * Script.prototype.sourceLength should comprise the entire function expression
     1.7 + * (including arguments)
     1.8 + */
     1.9 +let g = newGlobal();
    1.10 +let dbg = new Debugger(g);
    1.11 +
    1.12 +function test(string, ranges) {
    1.13 +    var index = 0;
    1.14 +    dbg.onNewScript = function (script) {
    1.15 +        function traverse(script) {
    1.16 +            script.getChildScripts().forEach(function (script) {
    1.17 +                assertEq(script.sourceStart, ranges[index][0]);
    1.18 +                assertEq(script.sourceLength, ranges[index][1]);
    1.19 +                ++index;
    1.20 +                traverse(script);
    1.21 +            });
    1.22 +        }
    1.23 +        traverse(script);
    1.24 +    };
    1.25 +
    1.26 +    g.eval(string);
    1.27 +
    1.28 +    /*
    1.29 +     * In some configurations certain child scripts are listed twice, so we
    1.30 +     * cannot rely on index always having the exact same value
    1.31 +     */
    1.32 +    assertEq(0 < index && index <= ranges.length, true);
    1.33 +};
    1.34 +
    1.35 +test("() => {}", [[0, 8]]);
    1.36 +test("(x, y) => { x * y }", [[0, 19]]);
    1.37 +test("x => x * x", [[0, 10]]);
    1.38 +test("x => x => x * x", [[0, 15], [5, 10], [5, 10]]);