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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.implicit;
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 = "1112689470";
private static String staticS = "";
private static Random random = new Random(11);
private static String crop(String s) {
int max = 100;
if (s.length() > max) {
return s.substring(5, 50);
}
return s;
}
private static String randomCut(String s, int size) {
String res = new String();
for (int i = 0; i < size; i++) {
int r = random.nextInt(s.length());
res += s.charAt(r);
}
return res;
}
public static void main(String[] args) {
StringGoldChecker goldChecker = new StringGoldChecker(GOLDEN_HASH);
goldChecker.print(CompilerTestLauncher.launch(test));
goldChecker.check();
}
public static String randomString() {
int t = random.nextInt(100);
String pre = "" + t / 10;
String post = "" + t + 'a' + '\u307E' + random.nextInt(20);
//merge:
String s = crop(pre + post);
staticS = crop(s + staticS);
int r = pre.hashCode() * post.hashCode() - random.nextInt(1000);
return randomCut(pre + "" + r % 50 + "-" + r + "o" + "\u306B" + post + staticS, 10);
}
private static final CompilerTest<Integer> test = new CompilerTest<Integer>("Merge01") {
@Override
public Integer execute(Random random) {
String res = randomString() + "t\u306B";
int t = 200;
while (t > 0) {
t -= random.nextInt(50);
int i = res.hashCode() % 100;
if (t > i) {
res += i + randomString();
} else {
res += randomString();
}
res = crop(res);
}
return (res).hashCode();
}
};
}
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