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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
commit6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch)
treea68f146d7fa01f0134297619fbe7e33db084e0aa /js/src/tests/non262/object/getOwnPropertySymbols-proxy.js
parentInitial commit. (diff)
downloadthunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz
thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/non262/object/getOwnPropertySymbols-proxy.js')
-rw-r--r--js/src/tests/non262/object/getOwnPropertySymbols-proxy.js28
1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/tests/non262/object/getOwnPropertySymbols-proxy.js b/js/src/tests/non262/object/getOwnPropertySymbols-proxy.js
new file mode 100644
index 0000000000..c538b3015c
--- /dev/null
+++ b/js/src/tests/non262/object/getOwnPropertySymbols-proxy.js
@@ -0,0 +1,28 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/ */
+
+// getOwnPropertySymbols(proxy) calls the getOwnPropertyNames hook (only).
+
+var symbols = [Symbol(), Symbol("moon"), Symbol.for("sun"), Symbol.iterator];
+var hits = 0;
+
+function HandlerProxy() {
+ return new Proxy({}, {
+ get: function (t, key) {
+ if (key !== "ownKeys")
+ throw new Error("tried to access handler[" + String(key) + "]");
+ hits++;
+ return t => symbols;
+ }
+ });
+}
+
+function OwnKeysProxy() {
+ return new Proxy({}, new HandlerProxy);
+}
+
+assertDeepEq(Object.getOwnPropertySymbols(new OwnKeysProxy), symbols);
+assertEq(hits, 1);
+
+if (typeof reportCompare === "function")
+ reportCompare(0, 0);