1/* 2 * Copyright (c) 2008, 2012, 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 */ 25package org.graalvm.compiler.jtt.lang; 26 27import org.junit.Test; 28 29import org.graalvm.compiler.jtt.JTTTest; 30 31public class StringCoding_Scale extends JTTTest { 32 33 public static float maxCharPerByte = 1.0f; 34 35 public static int test(int i) { 36 return scale(i, maxCharPerByte); 37 } 38 39 // Copy of java.lang.StringCode.scale 40 private static int scale(int len, float expansionFactor) { 41 // We need to perform double, not float, arithmetic; otherwise 42 // we lose low order bits when len is larger than 2**24. 43 return (int) (len * (double) expansionFactor); 44 } 45 46 @Test 47 public void run0() throws Throwable { 48 runTest("test", 2); 49 } 50 51 @Test 52 public void run1() throws Throwable { 53 runTest("test", 1); 54 } 55 56 @Test 57 public void run2() throws Throwable { 58 runTest("test", 0); 59 } 60 61} 62