--- /dev/null 2016-05-31 09:42:47.975716356 -0700 +++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.jtt/src/org/graalvm/compiler/jtt/loop/LoopParseLong.java 2016-12-09 00:52:25.888096482 -0800 @@ -0,0 +1,121 @@ +/* + * Copyright (c) 2012, 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. + */ +package org.graalvm.compiler.jtt.loop; + +import org.junit.Test; + +import org.graalvm.compiler.jtt.JTTTest; + +public class LoopParseLong extends JTTTest { + + @SuppressWarnings("unused") + public static long testShortened(String s, int radix) throws NumberFormatException { + long result = 0; + boolean negative = false; + int len = s.length(); + char firstChar = s.charAt(0); + if (firstChar < '0') { + if (firstChar == '-') { + negative = true; + } else if (firstChar != '+') { + throw new NumberFormatException(); + } + if (len == 1) { + throw new NumberFormatException(); + } + } + return result; + } + + public static long test(String s, int radix) throws NumberFormatException { + if (s == null) { + throw new NumberFormatException("null"); + } + if (radix < Character.MIN_RADIX) { + throw new NumberFormatException("radix " + radix + " less than Character.MIN_RADIX"); + } + if (radix > Character.MAX_RADIX) { + throw new NumberFormatException("radix " + radix + " greater than Character.MAX_RADIX"); + } + long result = 0; + boolean negative = false; + int i = 0; + int len = s.length(); + long limit = -Long.MAX_VALUE; + long multmin; + int digit; + if (len > 0) { + char firstChar = s.charAt(0); + if (firstChar < '0') { + if (firstChar == '-') { + negative = true; + limit = Long.MIN_VALUE; + } else if (firstChar != '+') { + throw new NumberFormatException(); + } + if (len == 1) { + throw new NumberFormatException(); + } + i++; + } + multmin = limit / radix; + while (i < len) { + digit = Character.digit(s.charAt(i++), radix); + if (digit < 0) { + throw new NumberFormatException(); + } + if (result < multmin) { + throw new NumberFormatException(); + } + result *= radix; + if (result < limit + digit) { + throw new NumberFormatException(); + } + result -= digit; + } + } else { + throw new NumberFormatException(); + } + return negative ? result : -result; + } + + @Test + public void run0() throws Throwable { + runTest("testShortened", "7", 10); + } + + @Test + public void run1() throws Throwable { + runTest("testShortened", "-100", 10); + } + + @Test + public void run2() throws Throwable { + runTest("test", "7", 10); + } + + @Test + public void run3() throws Throwable { + runTest("test", "-100", 10); + } +}