Ensure that [[Set]] operation does not reject for TypedArray objects (#4558)

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu

tests/jerry/es.next/typedarray-put.js

@@ -0,0 +1,47 @@
+// Copyright JS Foundation and other contributors, http://js.foundation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+var typedarrays = [
+  new Uint8ClampedArray([1]),
+  new Uint8Array([1]),
+  new Uint16Array([1]),
+  new Uint32Array([1]),
+  new Float32Array([1]),
+  new Float64Array([1]),
+  new Int8Array([1]),
+  new Int16Array([1]),
+  new Int32Array([1]),
+  new BigInt64Array([1n]),
+  new BigUint64Array([1n]),
+];
+
+for (let ta of typedarrays) {
+  for (let prop_name of [2, 5.1]) {
+    let set_value = 4.2;
+    (function () {
+      "use strict";
+      let set_result = ta[prop_name] = set_value;
+      assert(set_result === set_value);
+      assert(!ta.hasOwnProperty(prop_name));
+      assert(ta.length === 1);
+    })();
+
+    (function () {
+      let set_result = ta[prop_name] = set_value;
+      assert(set_result === set_value);
+      assert(!ta.hasOwnProperty(prop_name));
+      assert(ta.length === 1);
+    })();
+  }
+}

tests/unit-core/test-typedarray.c

@@ -458,7 +458,7 @@ static void test_property_by_index (test_entry_t test_entries[])
     }
 
     jerry_value_t set_undefined = jerry_set_property_by_index (typedarray, 100, jerry_create_number (50));
-    TEST_ASSERT (jerry_value_is_error (set_undefined));
+    TEST_ASSERT (jerry_value_is_boolean (set_undefined) && !jerry_get_boolean_value (set_undefined));
     jerry_value_t get_undefined = jerry_get_property_by_index (typedarray, 100);
     TEST_ASSERT (jerry_value_is_undefined (get_undefined));