js/src/jit-test/tests/for-of/array-holes-1.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/jit-test/tests/for-of/array-holes-1.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,10 @@
     1.4 +// for-of does not skip Array holes. The value at a hole is undefined.
     1.5 +
     1.6 +var a = [0, , 2, 3];
     1.7 +var log = [];
     1.8 +for (var x of a) {
     1.9 +    assertEq(x, a[log.length]);
    1.10 +    log.push(x);
    1.11 +}
    1.12 +assertEq(log[1], undefined);
    1.13 +assertEq(log.join(), "0,,2,3");

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