--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/nashorn/script/basic/es6/for-of.js Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,196 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * JDK-8151700: Add support for ES6 for-of
+ *
+ * @test
+ * @run
+ * @option --language=es6
+ */
+
+let result = "";
+for (let a of [1, 2, "foo"]) {
+ result += a;
+}
+
+if (result !== "12foo") {
+ throw new Error("unexpcected result: " + result);
+}
+
+let sum = 0;
+let numbers = [1, 2, 3, 4];
+numbers.ten = 10; // not iterated over
+
+for (let n of numbers) {
+ sum += n;
+}
+
+if (sum !== 10) {
+ throw new Error("unexpected sum: " + sum);;
+}
+
+if (typeof n !== "undefined") {
+ throw new Error("n is visible outside of for-of");
+}
+
+let message = "Hello";
+result = "";
+
+for(const c of message) {
+ result += c;
+}
+
+if (result !== "Hello") {
+ throw new Error("unexpected result: " + result);
+}
+
+if (typeof c !== "undefined") {
+ throw new Error("c is visible outside of for-of")
+}
+
+// Callbacks with per-iteration scope
+
+result = "";
+let funcs = [];
+
+for (let a of [1, 2, "foo"]) {
+ funcs.push(function() { result += a; });
+}
+
+funcs.forEach(function(f) { f(); });
+if (result !== "12foo") {
+ throw new Error("unexpcected result: " + result);
+}
+
+result = "";
+funcs = [];
+
+for (const a of [1, 2, "foo"]) {
+ funcs.push(function() { result += a; });
+}
+
+funcs.forEach(function(f) { f(); });
+if (result !== "12foo") {
+ throw new Error("unexpcected result: " + result);
+}
+
+// Set
+var set = new Set(["foo", "bar", "foo"]);
+result = "";
+
+for (var w of set) {
+ result += w;
+}
+
+if (result !== "foobar") {
+ throw new Error("unexpected result: " + result);
+}
+
+// Maps
+var map = new Map([["a", 1], ["b", 2]]);
+result = "";
+
+for (var entry of map) {
+ result += entry;
+}
+
+if (result !== "a,1b,2") {
+ throw new Error("unexpected result: " + result);
+}
+
+// per-iteration scope
+
+let array = ["a", "b", "c"];
+funcs = [];
+
+for (let i of array) {
+ for (let j of array) {
+ for (let k of array) {
+ funcs.push(function () {
+ return i + j + k;
+ });
+ }
+ }
+}
+
+Assert.assertEquals(funcs.length, 3 * 3 * 3);
+let count = 0;
+
+for (let i = 0; i < 3; i++) {
+ for (let j = 0; j < 3; j++) {
+ for (let k = 0; k < 3; k++) {
+ Assert.assertEquals(funcs[count++](), array[i] + array[j] + array[k]);
+ }
+ }
+}
+
+// per-iteration scope with const declaration
+
+funcs = [];
+
+for (const i of array) {
+ for (const j of array) {
+ for (const k of array) {
+ funcs.push(function () {
+ return i + j + k;
+ });
+ }
+ }
+}
+
+Assert.assertEquals(funcs.length, 3 * 3 * 3);
+count = 0;
+
+for (let i = 0; i < 3; i++) {
+ for (let j = 0; j < 3; j++) {
+ for (let k = 0; k < 3; k++) {
+ Assert.assertEquals(funcs[count++](), array[i] + array[j] + array[k]);
+ }
+ }
+}
+
+// fibonacci iterator
+
+let fibonacci = {};
+
+fibonacci[Symbol.iterator] = function() {
+ let previous = 0, current = 1;
+ return {
+ next: function() {
+ let tmp = current;
+ current = previous + current;
+ previous = tmp;
+ return { done: false, value: current };
+ }
+ }
+};
+
+for (f of fibonacci) {
+ if (f > 100000) {
+ break;
+ }
+}
+
+Assert.assertTrue(f === 121393);
+