From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- .../tests/non262/generators/delegating-yield-12.js | 49 ++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 js/src/tests/non262/generators/delegating-yield-12.js (limited to 'js/src/tests/non262/generators/delegating-yield-12.js') 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); -- cgit v1.2.3