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/array-splice.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,37 @@
     1.4 +function test1() {
     1.5 +    // splice GetElement calls are observable and should be executed even if
     1.6 +    // the return value of splice is unused.
     1.7 +    Object.defineProperty(Object.prototype, "0", {get: function() {
     1.8 +	c++;
     1.9 +    }, set: function() {}});
    1.10 +    var arr = [,,,];
    1.11 +    var c = 0;
    1.12 +    for (var i=0; i<100; i++) {
    1.13 +	arr.splice(0, 1);
    1.14 +	arr.length = 1;
    1.15 +    }
    1.16 +
    1.17 +    assertEq(c, 100);
    1.18 +}
    1.19 +test1();
    1.20 +
    1.21 +function test2() {
    1.22 +    var arr = [];
    1.23 +    for (var i=0; i<100; i++)
    1.24 +	arr.push(i);
    1.25 +    for (var i=0; i<40; i++)
    1.26 +	arr.splice(0, 2);
    1.27 +    assertEq(arr.length, 20);
    1.28 +    assertEq(arr[0], 80);
    1.29 +}
    1.30 +test2();
    1.31 +
    1.32 +function testNonArray() {
    1.33 +    for (var i=0; i<10; i++) {
    1.34 +	var o = {splice:[].splice, 0:"a", 1:"b", 2:"c", length:3};
    1.35 +	o.splice(0, 2);
    1.36 +	assertEq(o.length, 1);
    1.37 +	assertEq(o[0], "c");
    1.38 +    }
    1.39 +}
    1.40 +testNonArray();