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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/array-iterator-surfaces-2.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/array-iterator-surfaces-2.js')
-rw-r--r-- | js/src/jit-test/tests/for-of/array-iterator-surfaces-2.js | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/for-of/array-iterator-surfaces-2.js b/js/src/jit-test/tests/for-of/array-iterator-surfaces-2.js new file mode 100644 index 0000000000..a58ebef379 --- /dev/null +++ b/js/src/jit-test/tests/for-of/array-iterator-surfaces-2.js @@ -0,0 +1,31 @@ +// Superficial tests for iterators created by Array.prototype.iterator + +load(libdir + "iteration.js"); + +var proto = Object.getPrototypeOf([][Symbol.iterator]()); +var iterProto = Object.getPrototypeOf(proto); +proto = Object.getPrototypeOf([].keys()); +assertEq(Object.getPrototypeOf(proto), iterProto); +proto = Object.getPrototypeOf([].entries()); +assertEq(Object.getPrototypeOf(proto), iterProto); + +function check(it) { + assertEq(typeof it, 'object'); + assertEq(Object.getPrototypeOf(it), proto); + assertEq(Object.getOwnPropertyNames(it).length, 0); + assertEq(it[Symbol.iterator](), it); + + // for-in enumerates the iterator's properties. + it.x = 0; + var s = ''; + for (var p in it) + s += p + '.'; + assertEq(s, 'x.'); +} + +check([][Symbol.iterator]()); +check(Array.prototype[Symbol.iterator].call({})); +check([].keys()); +check(Array.prototype.keys.call({})); +check([].entries()); +check(Array.prototype.entries.call({})); |