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-8.js | 44 ++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 js/src/tests/non262/generators/delegating-yield-8.js (limited to 'js/src/tests/non262/generators/delegating-yield-8.js') diff --git a/js/src/tests/non262/generators/delegating-yield-8.js b/js/src/tests/non262/generators/delegating-yield-8.js new file mode 100644 index 0000000000..c17d6ea26a --- /dev/null +++ b/js/src/tests/non262/generators/delegating-yield-8.js @@ -0,0 +1,44 @@ +// Test that yield* can appear in a loop, and alongside yield. + +function* countdown(n) { + while (n > 0) { + yield n; + yield* countdown(--n); + } + return 34; +} + +function collect_results(iter) { + var ret = []; + var result; + do { + result = iter.next(); + ret.push(result); + } while (!result.done); + return ret; +} + +var expected = [ + // yield in countdown(3), n == 3 + {value: 3, done: false}, + // yield in yield* countdown(2), n == 2 + {value: 2, done: false}, + // yield in nested yield* countdown(1), n == 1 + {value: 1, done: false}, + // countdown(0) yields no values + // second go-through of countdown(2) loop, n == 1 + {value: 1, done: false}, + // second go-through of countdown(3) loop, n == 2 + {value: 2, done: false}, + // yield in yield* countdown(1), n == 1 + {value: 1, done: false}, + // third go-through of countdown(3) loop, n == 1 + {value: 1, done: false}, + // done + {value: 34, done: true} +]; + +assertDeepEq(expected, collect_results(countdown(3))); + +if (typeof reportCompare == "function") + reportCompare(true, true); -- cgit v1.2.3