1 /* 2 * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 25 package org.graalvm.compiler.replacements.test; 26 27 import java.util.ArrayList; 28 import java.util.Collection; 29 30 import org.graalvm.compiler.core.test.GraalCompilerTest; 31 import org.junit.Test; 32 import org.junit.runner.RunWith; 33 import org.junit.runners.Parameterized; 34 35 @RunWith(Parameterized.class) 36 public class StringIndexOfCharTest extends GraalCompilerTest { 37 38 @Parameterized.Parameters(name = "{0},{1},{2}") 39 public static Collection<Object[]> data() { 40 ArrayList<Object[]> tests = new ArrayList<>(); 41 String longString = "ab"; 42 for (int i = 0; i < 15; i++) { 43 longString = longString + longString; 44 } 45 longString = longString + "xx"; 46 String longUTF16String = "\u03bb" + longString; 47 String mediumString = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaax" + 48 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"; 49 String mediumUTF16String = "\u03bbaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaax" + 50 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"; 51 String[] targets = new String[]{"foobar", "foo", "bar", "\u03bbfoobar", mediumString, mediumUTF16String, longString, longUTF16String}; 52 int[] targetChars = new int[]{'f', 'o', 'r', 'x', Character.MIN_SUPPLEMENTARY_CODE_POINT}; 53 int[] targetOffsets = new int[12]; 54 for (int i = 0; i < targetOffsets.length; i++) { 55 targetOffsets[i] = i - 1; 56 } 57 for (String source : targets) { 58 for (int targetChar : targetChars) { 59 for (int offset : targetOffsets) { 60 tests.add(new Object[]{source, targetChar, offset}); 61 } 62 } 63 } 64 65 return tests; 66 } 67 68 private final String sourceString; 69 private final int constantChar; 70 private final int fromIndex; 71 72 public StringIndexOfCharTest(String sourceString, int constantChar, int fromIndex) { 73 this.sourceString = sourceString; 74 this.constantChar = constantChar; 75 this.fromIndex = fromIndex; 76 } 77 78 public int testStringIndexOf(String a, int b) { 79 return a.indexOf(b); 80 } 81 82 public int testStringIndexOfOffset(String a, int b, int offset) { 83 return a.indexOf(b, offset); 84 } 85 86 @Test 87 public void testStringIndexOfConstant() { 88 test("testStringIndexOf", this.sourceString, this.constantChar); 89 } 90 91 @Test 92 public void testStringIndexOfConstantOffset() { 93 test("testStringIndexOfOffset", this.sourceString, this.constantChar, this.fromIndex); 94 } 95 }