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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/non262/generators/delegating-yield-12.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | js/src/tests/non262/generators/delegating-yield-12.js | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/js/src/tests/non262/generators/delegating-yield-12.js b/js/src/tests/non262/generators/delegating-yield-12.js new file mode 100644 index 0000000000..9ed7666e11 --- /dev/null +++ b/js/src/tests/non262/generators/delegating-yield-12.js @@ -0,0 +1,49 @@ +// yield* calls @@iterator on the iterable to produce the iterator. + +var log = ''; + +function IteratorWrapper(iterator) { + return { + next: function (val) { + log += 'n'; + return iterator.next(val); + }, + + throw: function (exn) { + log += 't'; + return iterator.throw(exn); + } + }; +} + +function IterableWrapper(iterable) { + var ret = {}; + + ret[Symbol.iterator] = function () { + log += 'i'; + return IteratorWrapper(iterable[Symbol.iterator]()); + } + + return ret; +} + +function* delegate(iter) { return yield* iter; } + +var iter = delegate(IterableWrapper([1, 2, 3])); +assertIteratorNext(iter, 1); +assertIteratorNext(iter, 2); +assertIteratorNext(iter, 3); +assertIteratorDone(iter, undefined); + +assertEq(log, 'innnn'); + +iter = delegate([1, 2, 3]); +assertIteratorNext(iter, 1); +assertIteratorNext(iter, 2); +assertIteratorNext(iter, 3); +assertIteratorDone(iter, undefined); + +assertEq(log, 'innnn'); + +if (typeof reportCompare == "function") + reportCompare(true, true); |