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/ion/getelem.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,77 @@
     1.4 +function testValue() {
     1.5 +    function f(arr, x) {
     1.6 +        return arr[x];
     1.7 +    }
     1.8 +    var a = [1, undefined, null, Math, 2.1, ""];
     1.9 +    for (var i=0; i<50; i++) {
    1.10 +        assertEq(f(a, 0), 1);
    1.11 +        assertEq(f(a, 1), undefined);
    1.12 +        assertEq(f(a, 2), null);
    1.13 +        assertEq(f(a, 3), Math);
    1.14 +        assertEq(f(a, 4), 2.1);
    1.15 +        assertEq(f(a, 5), "");
    1.16 +        assertEq(f(a, -1), undefined);
    1.17 +        assertEq(f(a, 6), undefined);
    1.18 +    }
    1.19 +}
    1.20 +testValue();
    1.21 +
    1.22 +function testOutOfBounds() {
    1.23 +    function f(arr, x) {
    1.24 +        return arr[x];
    1.25 +    }
    1.26 +    var a = [0, 1, 2, 3, 4];
    1.27 +
    1.28 +    for (var j=0; j<4; j++) {
    1.29 +        for (var i=0; i<5; i++) {
    1.30 +            assertEq(f(a, i), i);
    1.31 +        }
    1.32 +        for (var i=5; i<10; i++) {
    1.33 +            assertEq(f(a, i), undefined);
    1.34 +        }
    1.35 +        for (var i=-1; i>-10; i--) {
    1.36 +            assertEq(f(a, i), undefined);
    1.37 +        }
    1.38 +    }
    1.39 +}
    1.40 +testOutOfBounds();
    1.41 +
    1.42 +function testHole() {
    1.43 +    function f(arr, x) {
    1.44 +        return arr[x];
    1.45 +    }
    1.46 +    var a = [0, , 2, ];
    1.47 +    for (var i=0; i<70; i++) {
    1.48 +        assertEq(f(a, 0), 0);
    1.49 +        assertEq(f(a, 1), undefined);
    1.50 +        assertEq(f(a, 2), 2);
    1.51 +        assertEq(f(a, 3), undefined);
    1.52 +    }
    1.53 +}
    1.54 +testHole();
    1.55 +
    1.56 +function testClassGuard() {
    1.57 +    function f(arr) {
    1.58 +        return arr[2];
    1.59 +    }
    1.60 +    var a = [1, 2, 3, 4];
    1.61 +    for (var i=0; i<90; i++) {
    1.62 +        assertEq(f(a), 3);
    1.63 +    }
    1.64 +    var b = {2: 100};
    1.65 +    assertEq(f(b), 100);
    1.66 +}
    1.67 +testClassGuard();
    1.68 +
    1.69 +function testGeneric1() {
    1.70 +    function f(o, i) {
    1.71 +        return o[i];
    1.72 +    }
    1.73 +    for (var i=0; i<100; i++) {
    1.74 +        assertEq(f("abc", 1), "b");
    1.75 +        assertEq(f("foo", "length"), 3);
    1.76 +        assertEq(f([], -1), undefined);
    1.77 +        assertEq(f({x: 1}, "x"), 1);
    1.78 +    }
    1.79 +}
    1.80 +testGeneric1();