/*
* Copyright ( c ) 2016 , 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
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*/
/**
* @ test
* @ modules java . base / jdk . internal . misc
* java . desktop
* @ run main / othervm - - add - exports = java . desktop / sun . awt = java . base AddExportsTest
* @ run main / othervm - - add - exports = java . desktop / sun . awt = ALL - UNNAMED AddExportsTest
* @ summary Test Module isExported methods with exports changed by - AddExportsTest
*/
import java.util.Optional;
import java.util.stream.Stream;
import jdk.internal.misc.VM;
public class AddExportsTest {
/*
* jtreg sets - Dtest . modules system property to the internal APIs
* specified at @ modules tag . The test will exclude - - add - exports set
* for @ modules .
*/
private static final String TEST_MODULES = System.getProperty("test.modules" );
public static void main(String[] args) {
Optional<String> oaddExports = Stream.of(VM.getRuntimeArguments())
.filter(arg -> arg.startsWith("--add-exports=" ))
.filter(arg -> !arg.equals("--add-exports=" + TEST_MODULES + "=ALL-UNNAMED" ))
.map(arg -> arg.substring("--add-exports=" .length(), arg.length()))
.findFirst();
assertTrue(oaddExports.isPresent());
ModuleLayer bootLayer = ModuleLayer.boot();
Module unnamedModule = AddExportsTest.class .getModule();
assertFalse(unnamedModule.isNamed());
for (String expr : oaddExports.get().split("," )) {
String[] s = expr.split("=" );
assertTrue(s.length == 2 );
// $MODULE/$PACKAGE
String[] moduleAndPackage = s[0 ].split("/" );
assertTrue(moduleAndPackage.length == 2 );
String mn = moduleAndPackage[0 ];
String pn = moduleAndPackage[1 ];
// source module
Module source;
Optional<Module> om = bootLayer.findModule(mn);
assertTrue(om.isPresent(), mn + " not in boot layer" );
source = om.get();
// package should not be exported unconditionally
assertFalse(source.isExported(pn),
pn + " should not be exported unconditionally" );
// $TARGET
String tn = s[1 ];
if ("ALL-UNNAMED" .equals(tn)) {
// package is exported to all unnamed modules
assertTrue(source.isExported(pn, unnamedModule),
pn + " should be exported to all unnamed modules" );
} else {
om = bootLayer.findModule(tn);
assertTrue(om.isPresent());
Module target = om.get();
// package should be exported to target module
assertTrue(source.isExported(pn, target),
pn + " should be exported to " + target);
// package should not be exported to unnamed modules
assertFalse(source.isExported(pn, unnamedModule),
pn + " should not be exported to unnamed modules" );
}
}
}
static void assertTrue(boolean cond) {
if (!cond) throw new RuntimeException();
}
static void assertTrue(boolean cond, String msg) {
if (!cond) throw new RuntimeException(msg);
}
static void assertFalse(boolean cond) {
if (cond) throw new RuntimeException();
}
static void assertFalse(boolean cond, String msg) {
if (cond) throw new RuntimeException(msg);
}
}
Messung V0.5 in Prozent C=92 H=85 G=88
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-10-11)
¤
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