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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/jit-test/tests/for-of/array-iterator-surfaces-2.js
parentInitial commit. (diff)
downloadfirefox-esr-upstream.tar.xz
firefox-esr-upstream.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
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.js31
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({}));