1 files changed, 35 insertions, 0 deletions
diff --git a/js/src/tests/Intl/Array/toLocaleString.js b/js/src/tests/Intl/Array/toLocaleString.js
new file mode 100644
index 000000000..f94e531f8
--- /dev/null
+++ b/js/src/tests/Intl/Array/toLocaleString.js
@@ -0,0 +1,35 @@
+if (typeof Intl === "object") {
+    const localeSep = [,,].toLocaleString();
+
+    // Missing arguments are passed as |undefined|.
+    const objNoArgs = {
+        toLocaleString() {
+            assertEq(arguments.length, 2);
+            assertEq(arguments[0], undefined);
+            assertEq(arguments[1], undefined);
+            return "pass";
+        }
+    };
+    // - Single element case.
+    assertEq([objNoArgs].toLocaleString(), "pass");
+    // - More than one element.
+    assertEq([objNoArgs, objNoArgs].toLocaleString(), "pass" + localeSep + "pass");
+
+    // Ensure "locales" and "options" arguments are passed to the array elements.
+    const locales = {}, options = {};
+    const objWithArgs = {
+        toLocaleString() {
+            assertEq(arguments.length, 2);
+            assertEq(arguments[0], locales);
+            assertEq(arguments[1], options);
+            return "pass";
+        }
+    };
+    // - Single element case.
+    assertEq([objWithArgs].toLocaleString(locales, options), "pass");
+    // - More than one element.
+    assertEq([objWithArgs, objWithArgs].toLocaleString(locales, options), "pass" + localeSep + "pass");
+}
+
+if (typeof reportCompare === "function")
+    reportCompare(true, true);