jdk-24/test/langtools/tools/javac/flags/LockedFlagClash.java
2020-08-25 12:46:18 +08:00

96 lines
3.2 KiB
Java

/*
* Copyright (c) 2020, 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 8252031
* @summary Verify the use of Flags.LOCKED in Check.checkNonCyclic is not broken
by use in Types.asSuper.
* @library /tools/lib
* @modules jdk.compiler/com.sun.tools.javac.api
* jdk.compiler/com.sun.tools.javac.main
* @build toolbox.JavacTask toolbox.TestRunner toolbox.ToolBox
* @run main LockedFlagClash
*/
import java.io.IOException;
import java.nio.file.Path;
import java.nio.file.Paths;
import toolbox.JavacTask;
import toolbox.TestRunner;
import toolbox.ToolBox;
public class LockedFlagClash extends TestRunner {
public static void main(String... args) throws Exception {
LockedFlagClash t = new LockedFlagClash();
t.runTests();
}
private final ToolBox tb = new ToolBox();
LockedFlagClash() throws IOException {
super(System.err);
}
protected void runTests() throws Exception {
runTests(m -> new Object[] { Paths.get(m.getName()) });
}
@Test
public void testLOCKEDFlagDoesNotClash(Path base) throws Exception {
Path src = base.resolve("src");
tb.writeJavaFiles(src,
"""
package java.lang;
public abstract class Byte extends Number {
}
""",
"""
package java.lang;
public class Object {
}
""",
"""
package java.lang;
public class Test {
private static final String o1 = "";
private static final String o2 = "" + o1;
}
""");
Path classes = base.resolve("classes");
tb.createDirectories(classes);
tb.cleanDirectory(classes);
new JavacTask(tb)
.outdir(classes)
.options("--patch-module", "java.base=" + src)
.files(tb.findJavaFiles(src.resolve("java").resolve("lang").resolve("Test.java")))
.run()
.writeAll();
}
}