Mercurial > hg > graal-compiler
view test/compiler/6942326/Test.java @ 12432:90494fdf11c8
Merge.
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 15 Oct 2013 23:06:27 +0200 |
parents | 41d4973cf100 |
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/* * Copyright (c) 2011, 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. * */ /** * @test * @bug 6942326 * @summary x86 code in string_indexof() could read beyond reserved heap space * * @run main/othervm/timeout=300 -Xmx32m -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:CompileCommand=exclude,Test,main -XX:CompileCommand=exclude,Test,test_varsub_indexof -XX:CompileCommand=exclude,Test,test_varstr_indexof -XX:CompileCommand=exclude,Test,test_missub_indexof -XX:CompileCommand=exclude,Test,test_consub_indexof -XX:CompileCommand=exclude,Test,test_conmis_indexof -XX:CompileCommand=exclude,Test,test_subcon Test * */ public class Test { static String[] strings = new String[1024]; private static final int ITERATIONS = 100000; public static void main(String[] args) { long start_total = System.currentTimeMillis(); // search variable size substring in string (33 chars). String a = " 1111111111111xx1111111111111xx11y"; // +1 to execute a.substring(1) first String b = "1111111111111xx1111111111111xx11y"; test_varsub_indexof(a, b); // search variable size substring in string (32 chars). a = " 1111111111111xx1111111111111xx1y"; b = "1111111111111xx1111111111111xx1y"; test_varsub_indexof(a, b); // search variable size substring in string (17 chars). a = " 1111111111111xx1y"; b = "1111111111111xx1y"; test_varsub_indexof(a, b); // search variable size substring in string (16 chars). a = " 111111111111xx1y"; b = "111111111111xx1y"; test_varsub_indexof(a, b); // search variable size substring in string (8 chars). a = " 1111xx1y"; b = "1111xx1y"; test_varsub_indexof(a, b); // search variable size substring in string (7 chars). a = " 111xx1y"; b = "111xx1y"; test_varsub_indexof(a, b); // search substring (17 chars) in variable size string. a = "1111111111111xx1x"; b = " 1111111111111xx1111111111111xx1x"; // +1 to execute b.substring(1) first test_varstr_indexof(a, b); // search substring (16 chars) in variable size string. a = "111111111111xx1x"; b = " 1111111111111xx1111111111111xx1x"; test_varstr_indexof(a, b); // search substring (9 chars) in variable size string. a = "11111xx1x"; b = " 1111111111111xx1111111111111xx1x"; test_varstr_indexof(a, b); // search substring (8 chars) in variable size string. a = "1111xx1x"; b = " 1111111111111xx1111111111111xx1x"; test_varstr_indexof(a, b); // search substring (4 chars) in variable size string. a = "xx1x"; b = " 1111111111111xx1111111111111xx1x"; test_varstr_indexof(a, b); // search substring (3 chars) in variable size string. a = "x1x"; b = " 1111111111111xx1111111111111xx1x"; test_varstr_indexof(a, b); // search substring (2 chars) in variable size string. a = "1y"; b = " 1111111111111xx1111111111111xx1y"; test_varstr_indexof(a, b); // search non matching variable size substring in string (33 chars). a = " 1111111111111xx1111111111111xx11z"; // +1 to execute a.substring(1) first b = "1111111111111xx1111111111111xx11y"; test_missub_indexof(a, b); // search non matching variable size substring in string (32 chars). a = " 1111111111111xx1111111111111xx1z"; b = "1111111111111xx1111111111111xx1y"; test_missub_indexof(a, b); // search non matching variable size substring in string (17 chars). a = " 1111111111111xx1z"; b = "1111111111111xx1y"; test_missub_indexof(a, b); // search non matching variable size substring in string (16 chars). a = " 111111111111xx1z"; b = "111111111111xx1y"; test_missub_indexof(a, b); // search non matching variable size substring in string (8 chars). a = " 1111xx1z"; b = "1111xx1y"; test_missub_indexof(a, b); // search non matching variable size substring in string (7 chars). a = " 111xx1z"; b = "111xx1y"; test_missub_indexof(a, b); // Testing constant substring search in variable size string. // search constant substring (17 chars). b = " 1111111111111xx1111111111111xx1x"; // +1 to execute b.substring(1) first TestCon tc = new TestCon17(); test_consub_indexof(tc, b); // search constant substring (16 chars). b = " 1111111111111xx1111111111111xx1x"; tc = new TestCon16(); test_consub_indexof(tc, b); // search constant substring (9 chars). b = " 1111111111111xx1111111111111xx1x"; tc = new TestCon9(); test_consub_indexof(tc, b); // search constant substring (8 chars). b = " 1111111111111xx1111111111111xx1x"; tc = new TestCon8(); test_consub_indexof(tc, b); // search constant substring (4 chars). b = " 1111111111111xx1111111111111xx1x"; tc = new TestCon4(); test_consub_indexof(tc, b); // search constant substring (3 chars). b = " 1111111111111xx1111111111111xx1x"; tc = new TestCon3(); test_consub_indexof(tc, b); // search constant substring (2 chars). b = " 1111111111111xx1111111111111xx1y"; tc = new TestCon2(); test_consub_indexof(tc, b); // search constant substring (1 chars). b = " 1111111111111xx1111111111111xx1y"; tc = new TestCon1(); test_consub_indexof(tc, b); // search non matching constant substring (17 chars). b = " 1111111111111xx1111111111111xx1z"; // +1 to execute b.substring(1) first tc = new TestCon17(); test_conmis_indexof(tc, b); // search non matching constant substring (16 chars). b = " 1111111111111xx1111111111111xx1z"; tc = new TestCon16(); test_conmis_indexof(tc, b); // search non matching constant substring (9 chars). b = " 1111111111111xx1111111111111xx1z"; tc = new TestCon9(); test_conmis_indexof(tc, b); // search non matching constant substring (8 chars). b = " 1111111111111xx1111111111111xx1z"; tc = new TestCon8(); test_conmis_indexof(tc, b); // search non matching constant substring (4 chars). b = " 1111111111111xx1111111111111xx1z"; tc = new TestCon4(); test_conmis_indexof(tc, b); // search non matching constant substring (3 chars). b = " 1111111111111xx1111111111111xx1z"; tc = new TestCon3(); test_conmis_indexof(tc, b); // search non matching constant substring (2 chars). b = " 1111111111111xx1111111111111xx1z"; tc = new TestCon2(); test_conmis_indexof(tc, b); // search non matching constant substring (1 chars). b = " 1111111111111xx1111111111111xx1z"; tc = new TestCon1(); test_conmis_indexof(tc, b); long end_total = System.currentTimeMillis(); System.out.println("End run time: " + (end_total - start_total)); } public static long test_init(String a, String b) { for (int i = 0; i < 512; i++) { strings[i * 2] = new String(b.toCharArray()); strings[i * 2 + 1] = new String(a.toCharArray()); } System.out.print(a.length() + " " + b.length() + " "); return System.currentTimeMillis(); } public static void test_end(String a, String b, int v, int expected, long start) { long end = System.currentTimeMillis(); int res = (v/ITERATIONS); System.out.print(" " + res); System.out.println(" time:" + (end - start)); if (res != expected) { System.out.println("wrong indexOf result: " + res + ", expected " + expected); System.out.println("\"" + b + "\".indexOf(\"" + a + "\")"); System.exit(97); } } public static int test_subvar() { int s = 0; int v = 0; for (int i = 0; i < ITERATIONS; i++) { v += strings[s].indexOf(strings[s + 1]); s += 2; if (s >= strings.length) s = 0; } return v; } public static void test_varsub_indexof(String a, String b) { System.out.println("Start search variable size substring in string (" + b.length() + " chars)"); long start_it = System.currentTimeMillis(); int limit = 1; // last a.length() == 1 while (a.length() > limit) { a = a.substring(1); long start = test_init(a, b); int v = test_subvar(); test_end(a, b, v, (b.length() - a.length()), start); } long end_it = System.currentTimeMillis(); System.out.println("End search variable size substring in string (" + b.length() + " chars), time: " + (end_it - start_it)); } public static void test_varstr_indexof(String a, String b) { System.out.println("Start search substring (" + a.length() + " chars) in variable size string"); long start_it = System.currentTimeMillis(); int limit = a.length(); while (b.length() > limit) { b = b.substring(1); long start = test_init(a, b); int v = test_subvar(); test_end(a, b, v, (b.length() - a.length()), start); } long end_it = System.currentTimeMillis(); System.out.println("End search substring (" + a.length() + " chars) in variable size string, time: " + (end_it - start_it)); } public static void test_missub_indexof(String a, String b) { System.out.println("Start search non matching variable size substring in string (" + b.length() + " chars)"); long start_it = System.currentTimeMillis(); int limit = 1; // last a.length() == 1 while (a.length() > limit) { a = a.substring(1); long start = test_init(a, b); int v = test_subvar(); test_end(a, b, v, (-1), start); } long end_it = System.currentTimeMillis(); System.out.println("End search non matching variable size substring in string (" + b.length() + " chars), time: " + (end_it - start_it)); } public static void test_consub_indexof(TestCon tc, String b) { System.out.println("Start search constant substring (" + tc.constr().length() + " chars)"); long start_it = System.currentTimeMillis(); int limit = tc.constr().length(); while (b.length() > limit) { b = b.substring(1); long start = test_init(tc.constr(), b); int v = test_subcon(tc); test_end(tc.constr(), b, v, (b.length() - tc.constr().length()), start); } long end_it = System.currentTimeMillis(); System.out.println("End search constant substring (" + tc.constr().length() + " chars), time: " + (end_it - start_it)); } public static void test_conmis_indexof(TestCon tc, String b) { System.out.println("Start search non matching constant substring (" + tc.constr().length() + " chars)"); long start_it = System.currentTimeMillis(); int limit = tc.constr().length(); while (b.length() > limit) { b = b.substring(1); long start = test_init(tc.constr(), b); int v = test_subcon(tc); test_end(tc.constr(), b, v, (-1), start); } long end_it = System.currentTimeMillis(); System.out.println("End search non matching constant substring (" + tc.constr().length() + " chars), time: " + (end_it - start_it)); } public static int test_subcon(TestCon tc) { int s = 0; int v = 0; for (int i = 0; i < ITERATIONS; i++) { v += tc.indexOf(strings[s]); s += 2; if (s >= strings.length) s = 0; } return v; } private interface TestCon { public String constr(); public int indexOf(String str); } // search constant substring (17 chars). private final static class TestCon17 implements TestCon { private static final String constr = "1111111111111xx1x"; public String constr() { return constr; } public int indexOf(String str) { return str.indexOf(constr); } } // search constant substring (16 chars). private final static class TestCon16 implements TestCon { private static final String constr = "111111111111xx1x"; public String constr() { return constr; } public int indexOf(String str) { return str.indexOf(constr); } } // search constant substring (9 chars). private final static class TestCon9 implements TestCon { private static final String constr = "11111xx1x"; public String constr() { return constr; } public int indexOf(String str) { return str.indexOf(constr); } } // search constant substring (8 chars). private final static class TestCon8 implements TestCon { private static final String constr = "1111xx1x"; public String constr() { return constr; } public int indexOf(String str) { return str.indexOf(constr); } } // search constant substring (4 chars). private final static class TestCon4 implements TestCon { private static final String constr = "xx1x"; public String constr() { return constr; } public int indexOf(String str) { return str.indexOf(constr); } } // search constant substring (3 chars). private final static class TestCon3 implements TestCon { private static final String constr = "x1x"; public String constr() { return constr; } public int indexOf(String str) { return str.indexOf(constr); } } // search constant substring (2 chars). private final static class TestCon2 implements TestCon { private static final String constr = "1y"; public String constr() { return constr; } public int indexOf(String str) { return str.indexOf(constr); } } // search constant substring (1 chars). private final static class TestCon1 implements TestCon { private static final String constr = "y"; public String constr() { return constr; } public int indexOf(String str) { return str.indexOf(constr); } } }