1 files changed, 57 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/findLast/predicate-is-not-callable-throws.js b/js/src/tests/test262/built-ins/TypedArray/prototype/findLast/predicate-is-not-callable-throws.js
new file mode 100644
index 0000000000..4e46f36162
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/findLast/predicate-is-not-callable-throws.js
@@ -0,0 +1,57 @@
+// Copyright (C) 2021 Microsoft. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.findlast
+description: >
+  Throws a TypeError exception if predicate is not callable.
+info: |
+  %TypedArray%.prototype.findLast (predicate [ , thisArg ] )
+
+  ...
+  4. If IsCallable(predicate) is false, throw a TypeError exception.
+  ...
+includes: [testTypedArray.js]
+features: [TypedArray, array-find-from-last]
+---*/
+
+testWithTypedArrayConstructors(function(TA) {
+  var sample = new TA();
+
+  assert.throws(TypeError, function() {
+    sample.findLast({});
+  }, "object");
+
+  assert.throws(TypeError, function() {
+    sample.findLast(null);
+  }, "null");
+
+  assert.throws(TypeError, function() {
+    sample.findLast(undefined);
+  }, "undefined");
+
+  assert.throws(TypeError, function() {
+    sample.findLast(false);
+  }, "false");
+
+  assert.throws(TypeError, function() {
+    sample.findLast(true);
+  }, "true");
+
+  assert.throws(TypeError, function() {
+    sample.findLast(1);
+  }, "number");
+
+  assert.throws(TypeError, function() {
+    sample.findLast("");
+  }, "string");
+
+  assert.throws(TypeError, function() {
+    sample.findLast([]);
+  }, "array");
+
+  assert.throws(TypeError, function() {
+    sample.findLast(/./);
+  }, "regexp");
+});
+
+reportCompare(0, 0);