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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-8.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-8.js | 44 |
1 files changed, 44 insertions, 0 deletions
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); |