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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /js/src/jit-test/tests/for-of/value-done-access.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit-test/tests/for-of/value-done-access.js')
-rw-r--r-- | js/src/jit-test/tests/for-of/value-done-access.js | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/for-of/value-done-access.js b/js/src/jit-test/tests/for-of/value-done-access.js new file mode 100644 index 0000000000..49028a7746 --- /dev/null +++ b/js/src/jit-test/tests/for-of/value-done-access.js @@ -0,0 +1,23 @@ +// Test that each yield* loop just checks "done", and "value" is only +// fetched once at the end. + +load(libdir + 'iteration.js'); + +var log = ""; + +function Iter(val, count) { + function next() { + return { + get done() { log += "d"; return count-- == 0; }, + get value() { log += "v"; return val; } + } + } + + this[Symbol.iterator] = function() { return this; }; + this.next = next; +} + +for (var x of new Iter(42, 5)) + assertEq(x, 42); + +assertEq(log, "dvdvdvdvdvd"); |