1 files changed, 22 insertions, 0 deletions
diff --git a/js/src/tests/non262/TypedArray/sort-non-function.js b/js/src/tests/non262/TypedArray/sort-non-function.js
new file mode 100644
index 0000000000..bea810457a
--- /dev/null
+++ b/js/src/tests/non262/TypedArray/sort-non-function.js
@@ -0,0 +1,22 @@
+// %TypedArray%.prototype.sort throws if the comparator is neither undefined nor
+// a callable object.
+
+// Use a zero length typed array, so we can provide any kind of callable object
+// without worrying that the function is actually a valid comparator function.
+const typedArray = new Int32Array(0);
+
+// Throws if the comparator is neither undefined nor callable.
+for (let invalidComparator of [null, 0, true, Symbol(), {}, []]) {
+    assertThrowsInstanceOf(() => typedArray.sort(invalidComparator), TypeError);
+}
+
+// Doesn't throw if the comparator is undefined or a callable object.
+for (let validComparator of [undefined, () => {}, Math.max, class {}, new Proxy(function(){}, {})]) {
+    typedArray.sort(validComparator);
+}
+
+// Also doesn't throw if no comparator was provided at all.
+typedArray.sort();
+
+if (typeof reportCompare === "function")
+    reportCompare(0, 0);