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     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/tests/ecma_6/Comprehensions/nested-for-if.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,20 @@
     1.4 +// For and if clauses can nest without limit in comprehensions.  This is
     1.5 +// unlike JS 1.8 comprehensions, which can only have one trailing "if"
     1.6 +// clause.
     1.7 +
     1.8 +function* range(start, end) {
     1.9 +  for (var n = start; n < end; n++)
    1.10 +    yield n;
    1.11 +}
    1.12 +
    1.13 +function primesBetween6And25() {
    1.14 +  return [for (n of range(6, 25)) if (n % 2) if (n % 3) if (n % 5) n];
    1.15 +}
    1.16 +assertDeepEq(primesBetween6And25(), [7,11,13,17,19,23]);
    1.17 +
    1.18 +function countUpToEvens(limit) {
    1.19 +  return [for (n of range(0, limit)) if (!(n % 2)) for (m of range(0, n)) m]
    1.20 +}
    1.21 +assertDeepEq(countUpToEvens(7), [0,1,0,1,2,3,0,1,2,3,4,5]);
    1.22 +
    1.23 +reportCompare(null, null, "test");