Implemented Array.prototype.indexOf().

JerryScript-DCO-1.0-Signed-off-by: Dániel Bátyai dbatyai.u-szeged@partner.samsung.com

tests/jerry/array_prototype_indexof.js

@@ -0,0 +1,66 @@
+// Copyright 2015 Samsung Electronics Co., Ltd.
+// Copyright 2015 University of Szeged.
+//
+// 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 obj = {};
+var array = ["foo", 19, "bar", obj, "foo", 29, "baz"];
+
+var index = array.indexOf("foo");
+assert(index === 0);
+assert(array[index] === "foo");
+
+assert(array.indexOf("foo", 1) === 4);
+assert(array.indexOf("foo", 5) === -1);
+
+var index = array.indexOf("baz");
+assert(index === 6);
+assert(array[index] === "baz");
+
+assert(array.indexOf("baz", 7) === -1);
+
+var index = array.indexOf(obj);
+assert(index === 3);
+assert(array[index] === obj);
+
+// Checking behavior when length is zero
+var obj = { indexOf : Array.prototype.indexOf, length : 0 };
+assert(obj.indexOf("foo") === -1);
+
+// Checking behavior when start index >= length
+var arr = [11, 22, 33, 44];
+assert(arr.indexOf(44, 4) === -1);
+
+// Checking behavior when unable to get length
+var obj = { indexOf : Array.prototype.indexOf}
+Object.defineProperty(obj, 'length', { 'get' : function () { throw new ReferenceError ("foo"); } });
+
+try {
+	obj.indexOf("bar");
+	assert(false);
+} catch (e) {
+	assert(e.message === "foo");
+	assert(e instanceof ReferenceError);
+}
+
+// Checking behavior when unable to get element
+var obj = { indexOf : Array.prototype.indexOf, length : 1}
+Object.defineProperty(obj, '0', { 'get' : function () { throw new ReferenceError ("foo"); } });
+
+try {
+	obj.indexOf("bar");
+	assert(false);
+} catch (e) {
+	assert(e.message === "foo");
+	assert(e instanceof ReferenceError);
+}