| /* |
| * Copyright (c) 2010, 2014, 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * 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. |
| */ |
| |
| package jdk.nashorn.internal.runtime.test; |
| |
| import jdk.nashorn.internal.runtime.ConsString; |
| import static org.testng.Assert.assertEquals; |
| |
| import org.testng.annotations.Test; |
| |
| /** |
| * Tests for JSType methods. |
| * |
| * @test |
| * @run testng jdk.nashorn.internal.runtime.test.ConsStringTest |
| */ |
| public class ConsStringTest { |
| |
| /** |
| * Test toString conversion |
| */ |
| @Test |
| public void testConsStringToString() { |
| final ConsString cs1 = new ConsString("b", "c"); |
| final ConsString cs2 = new ConsString("d", "e"); |
| final ConsString cs3 = new ConsString(cs1, cs2); |
| final ConsString cs4 = new ConsString(cs3, "f"); |
| final ConsString cs5 = new ConsString("a", cs4); |
| assertEquals(cs5.toString(), "abcdef"); |
| assertEquals(cs4.toString(), "bcdef"); |
| assertEquals(cs3.toString(), "bcde"); |
| assertEquals(cs2.toString(), "de"); |
| assertEquals(cs1.toString(), "bc"); |
| // ConsStrings should be flattened now |
| assertEquals(cs1.getComponents()[0], "bc"); |
| assertEquals(cs1.getComponents()[1], ""); |
| assertEquals(cs2.getComponents()[0], "de"); |
| assertEquals(cs2.getComponents()[1], ""); |
| assertEquals(cs3.getComponents()[0], "bcde"); |
| assertEquals(cs3.getComponents()[1], ""); |
| assertEquals(cs4.getComponents()[0], "bcdef"); |
| assertEquals(cs4.getComponents()[1], ""); |
| assertEquals(cs5.getComponents()[0], "abcdef"); |
| assertEquals(cs5.getComponents()[1], ""); |
| } |
| |
| /** |
| * Test charAt |
| */ |
| @Test |
| public void testConsStringCharAt() { |
| final ConsString cs1 = new ConsString("b", "c"); |
| final ConsString cs2 = new ConsString("d", "e"); |
| final ConsString cs3 = new ConsString(cs1, cs2); |
| final ConsString cs4 = new ConsString(cs3, "f"); |
| final ConsString cs5 = new ConsString("a", cs4); |
| assertEquals(cs1.charAt(1), 'c'); |
| assertEquals(cs2.charAt(0), 'd'); |
| assertEquals(cs3.charAt(3), 'e'); |
| assertEquals(cs4.charAt(1), 'c'); |
| assertEquals(cs5.charAt(2), 'c'); |
| // ConsStrings should be flattened now |
| assertEquals(cs1.getComponents()[0], "bc"); |
| assertEquals(cs1.getComponents()[1], ""); |
| assertEquals(cs2.getComponents()[0], "de"); |
| assertEquals(cs2.getComponents()[1], ""); |
| assertEquals(cs3.getComponents()[0], "bcde"); |
| assertEquals(cs3.getComponents()[1], ""); |
| assertEquals(cs4.getComponents()[0], "bcdef"); |
| assertEquals(cs4.getComponents()[1], ""); |
| assertEquals(cs5.getComponents()[0], "abcdef"); |
| assertEquals(cs5.getComponents()[1], ""); |
| } |
| |
| |
| /** |
| * Test flattening of top-level and internal ConsStrings |
| */ |
| @Test |
| public void testConsStringFlattening() { |
| final ConsString cs1 = new ConsString("b", "c"); |
| final ConsString cs2 = new ConsString("d", "e"); |
| final ConsString cs3 = new ConsString(cs1, cs2); |
| final ConsString cs4 = new ConsString(cs3, "f"); |
| |
| final ConsString cs5 = new ConsString("a", cs4); |
| // top-level ConsString should not yet be flattened |
| assert(cs5.getComponents()[0] == "a"); |
| assert(cs5.getComponents()[1] == cs4); |
| assertEquals(cs5.toString(), "abcdef"); |
| // top-level ConsString should be flattened |
| assertEquals(cs5.getComponents()[0], "abcdef"); |
| assertEquals(cs5.getComponents()[1], ""); |
| // internal ConsString should not yet be flattened after first traversal |
| assertEquals(cs4.getComponents()[0], cs3); |
| assertEquals(cs4.getComponents()[1], "f"); |
| |
| final ConsString cs6 = new ConsString("a", cs4); |
| // top-level ConsString should not yet be flattened |
| assertEquals(cs6.getComponents()[0], "a"); |
| assertEquals(cs6.getComponents()[1], cs4); |
| assertEquals(cs6.toString(), "abcdef"); |
| // top-level ConsString should be flattened |
| assertEquals(cs6.getComponents()[0], "abcdef"); |
| assertEquals(cs6.getComponents()[1], ""); |
| // internal ConsString should have been flattened after second traversal |
| assertEquals(cs4.getComponents()[0], "bcdef"); |
| assertEquals(cs4.getComponents()[1], ""); |
| } |
| } |