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-rw-r--r--js/src/tests/Intl/getCanonicalLocales-overridden-species.js23
1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/tests/Intl/getCanonicalLocales-overridden-species.js b/js/src/tests/Intl/getCanonicalLocales-overridden-species.js
new file mode 100644
index 000000000..858735b58
--- /dev/null
+++ b/js/src/tests/Intl/getCanonicalLocales-overridden-species.js
@@ -0,0 +1,23 @@
+// |reftest| skip-if(!this.hasOwnProperty("Intl"))
+
+// Tests the getCanonicalLocales function for overriden Array[Symbol.species].
+
+Object.defineProperty(Array, Symbol.species, {
+ value: function() {
+ return new Proxy(["?"], {
+ get(t, pk, r) {
+ return Reflect.get(t, pk, r);
+ },
+ defineProperty(t, pk) {
+ return true;
+ }
+ });
+ }
+});
+
+var arr = Intl.getCanonicalLocales("de-x-private");
+
+assertEqArray(arr, ["de-x-private"]);
+
+if (typeof reportCompare === "function")
+ reportCompare(0, 0);