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/*
* Copyright (c) 2012, 2018, 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 vm.compiler.optimizations.stringconcat.explicit;
import nsk.share.StringGoldChecker;
import vm.compiler.share.CompilerTest;
import vm.compiler.share.CompilerTestLauncher;
import vm.compiler.share.Random;
public class Merge01 {
private static final String GOLDEN_HASH = "1618288402";
private static Random random = new Random(11);
private static final String PRE = "pre\u307E\u3048\u306B";
private static final String POST = "post\u3042\u3068\u3067";
private static final String TMP = "tmp\u305D\u3046\u304B";
private static final String SUF = "suf\u3051\u3069\u3082";
private static void crop(StringBuilder sb) {
int max = 100;
if (sb.length() > max) {
sb.delete(0, 20);
sb.delete(60, sb.length());
}
}
private static String randomCut(String s, int size) {
StringBuilder res = new StringBuilder();
for(int i=0; i<size; i++) {
int r = random.nextInt(s.length());
res.append(s.charAt(r));
}
return res.toString();
}
public static void main(String[] args) {
StringGoldChecker goldChecker = new StringGoldChecker(GOLDEN_HASH);
goldChecker.print(CompilerTestLauncher.launch(test));
goldChecker.check();
}
public static String randomString() {
int p = random.nextInt(100);
StringBuilder prefix = new StringBuilder();
prefix.append(p);
prefix.append(PRE);
prefix.append(random.nextInt(1000));
StringBuilder suffix = new StringBuilder();
StringBuilder t = new StringBuilder();
t.append(p);
t.append(TMP);
suffix.append(p + SUF);
//merge:
suffix.append(t.toString());
suffix.append(t);
StringBuilder postfix = new StringBuilder();
postfix.append(POST);
postfix.append(p);
if(p>50) {
postfix.append(p);
} else {
postfix.append(p+1);
}
postfix.append(random.nextInt(42));
//merge:
StringBuilder res = new StringBuilder();
res.append(prefix.toString());
res.append(suffix.toString());
res.append(postfix.toString());
return randomCut(res.toString(), 10);
}
private static final CompilerTest<Integer> test = new CompilerTest<Integer>("Merge01") {
@Override
public Integer execute(Random random) {
StringBuilder res = new StringBuilder();
int s = 200;
while (s>0) {
s -= random.nextInt(50);
int p = random.nextInt(1000);
if(p>s) {
StringBuilder t = new StringBuilder();
t.append("");
//merge:
res.append(t);
} else {
res.append(p);
}
crop(res);
StringBuilder t = new StringBuilder();
t.append(s);
t.append(t);
res.append(randomString());
//merge:
res.append(t.toString());
}
return res.toString().hashCode();
}
};
}
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