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/*
* Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2024, Alibaba Group Holding Limited. 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.
*/
import jdk.internal.access.JavaLangAccess;
import jdk.internal.access.SharedSecrets;
import java.nio.charset.StandardCharsets;
import java.util.Arrays;
/*
* @test
* @modules java.base/jdk.internal.access
* @summary test latin1 String countNonZeroAscii
* @run main/othervm -XX:+CompactStrings CountNonZeroAscii
* @run main/othervm -XX:-CompactStrings CountNonZeroAscii
*/
public class CountNonZeroAscii {
private static final JavaLangAccess JLA = SharedSecrets.getJavaLangAccess();
public static void main(String [] args) {
byte[] bytes = new byte[1000];
Arrays.fill(bytes, (byte) 'A');
String s = new String(bytes, StandardCharsets.ISO_8859_1);
assertEquals(bytes.length, JLA.countNonZeroAscii(s));
for (int i = 0; i < bytes.length; i++) {
for (int j = Byte.MIN_VALUE; j <= 0; j++) {
bytes[i] = (byte) j;
s = new String(bytes, StandardCharsets.ISO_8859_1);
assertEquals(i, JLA.countNonZeroAscii(s));
}
bytes[i] = (byte) 'A';
}
}
static void assertEquals(int expected, int actual) {
if (expected != actual) {
throw new AssertionError("Expected " + expected + " but got " + actual);
}
}
}
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