Mercurial > hg > graal-compiler

annotate test/compiler/7179138/Test7179138_2.java @ 8018:cdb46031e718 jdk8-b77

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Added tag hs25-b18 for changeset 412d722168bc
author amurillo
date Fri, 08 Feb 2013 08:07:07 -0800
parents 751bd303aa45
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright 2012 Skip Balk. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23
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24 /*
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25 * @test
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26 * @bug 7179138
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27 * @summary Incorrect result with String concatenation optimization
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28 * @run main/othervm -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:-TieredCompilation Test7179138_2
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29 *
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30 * @author Skip Balk
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31 */
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32
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33 public class Test7179138_2 {
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34 public static void main(String[] args) throws Exception {
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35 System.out.println("Java Version: " + System.getProperty("java.vm.version"));
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36 long[] durations = new long[60];
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37 for (int i = 0; i < 100000; i++) {
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38 // this empty for-loop is required to reproduce this bug
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39 for (long duration : durations) {
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40 // do nothing
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41 }
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42 {
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43 String s = "test";
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44 int len = s.length();
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45
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46 s = s + s;
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47 len = len + len;
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48
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49 s = s + s;
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50 len = len + len;
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51
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52 s = s + s;
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53 len = len + len;
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54
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55 if (s.length() != len) {
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56 System.out.println("Failed at iteration: " + i);
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57 System.out.println("Length mismatch: " + s.length() + " <> " + len);
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58 System.out.println("Expected: \"" + "test" + "test" + "test" + "test" + "test" + "test" + "test" + "test" + "\"");
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59 System.out.println("Actual: \"" + s + "\"");
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60 System.exit(0);
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61 }
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62 }
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63 }
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64 }
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65 }
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