1 /*
2 * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
65 assertTrue(Modifier.isPublic(publicType.getModifiers()));
66
67 nonPublicType = Class.forName("p.internal.NonPublicType");
68 assertTrue(this.getClass().getModule() == nonPublicType.getModule());
69 assertNotEquals(this.getClass().getPackageName(), nonPublicType.getPackageName());
70 assertFalse(Modifier.isPublic(nonPublicType.getModifiers()));
71 }
72
73 // Invoke MethodHandles.privateLookupIn with a full-power caller
74 public void testAllAccessCallerSameModule() throws Throwable {
75 Lookup lookup = MethodHandles.privateLookupIn(nonPublicType, MethodHandles.lookup());
76 assertTrue(lookup.lookupClass() == nonPublicType);
77 assertTrue(lookup.hasPrivateAccess());
78
79 // get obj field
80 MethodHandle mh = lookup.findStaticGetter(nonPublicType, "obj", Object.class);
81 Object obj = mh.invokeExact();
82 }
83
84 // Invoke MethodHandles.privateLookupIn with a reduced-power caller
85 public void testReducedAccessCallerSameModule() throws Throwable {
86 Lookup caller = MethodHandles.lookup().dropLookupMode(PACKAGE);
87 assertTrue((caller.lookupModes() & PRIVATE) == 0);
88 assertTrue((caller.lookupModes() & PACKAGE) == 0);
89 assertTrue((caller.lookupModes() & MODULE) != 0);
90
91 Lookup lookup = MethodHandles.privateLookupIn(nonPublicType, caller);
92 assertTrue(lookup.lookupClass() == nonPublicType);
93 assertTrue(lookup.hasPrivateAccess());
94
95 // use it
96 MethodHandle mh = lookup.findStaticGetter(nonPublicType, "obj", Object.class);
97 Object obj = mh.invokeExact();
98 }
99
100 // Invoke MethodHandles.privateLookupIn with the public lookup as caller
101 @Test(expectedExceptions = {IllegalAccessException.class})
102 public void testPublicLookupSameModule() throws Exception {
103 Lookup caller = MethodHandles.publicLookup();
104 Lookup lookup = MethodHandles.privateLookupIn(publicType, caller);
105 }
106
107 // test reads m1, open module m1 containing p1
108 public void testTargetClassInOpenModule() throws Throwable {
109 // m1/p1.Type
110 Class<?> clazz = Class.forName("p1.Type");
111 assertEquals(clazz.getModule().getName(), "m1");
112
113 // ensure that this module reads m1
114 Module thisModule = getClass().getModule();
115 Module m1 = clazz.getModule();
116 thisModule.addReads(clazz.getModule());
117 assertTrue(m1.isOpen("p1", thisModule));
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1 /*
2 * Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
65 assertTrue(Modifier.isPublic(publicType.getModifiers()));
66
67 nonPublicType = Class.forName("p.internal.NonPublicType");
68 assertTrue(this.getClass().getModule() == nonPublicType.getModule());
69 assertNotEquals(this.getClass().getPackageName(), nonPublicType.getPackageName());
70 assertFalse(Modifier.isPublic(nonPublicType.getModifiers()));
71 }
72
73 // Invoke MethodHandles.privateLookupIn with a full-power caller
74 public void testAllAccessCallerSameModule() throws Throwable {
75 Lookup lookup = MethodHandles.privateLookupIn(nonPublicType, MethodHandles.lookup());
76 assertTrue(lookup.lookupClass() == nonPublicType);
77 assertTrue(lookup.hasPrivateAccess());
78
79 // get obj field
80 MethodHandle mh = lookup.findStaticGetter(nonPublicType, "obj", Object.class);
81 Object obj = mh.invokeExact();
82 }
83
84 // Invoke MethodHandles.privateLookupIn with a reduced-power caller
85 @Test(expectedExceptions = {IllegalAccessException.class})
86 public void testReducedAccessCallerSameModule() throws Throwable {
87 Lookup caller = MethodHandles.lookup().dropLookupMode(PACKAGE);
88 assertTrue((caller.lookupModes() & PRIVATE) == 0);
89 assertTrue((caller.lookupModes() & PACKAGE) == 0);
90 assertTrue((caller.lookupModes() & MODULE) != 0);
91
92 Lookup lookup = MethodHandles.privateLookupIn(nonPublicType, caller);
93 }
94
95 // Invoke MethodHandles.privateLookupIn with the public lookup as caller
96 @Test(expectedExceptions = {IllegalAccessException.class})
97 public void testPublicLookupSameModule() throws Exception {
98 Lookup caller = MethodHandles.publicLookup();
99 Lookup lookup = MethodHandles.privateLookupIn(publicType, caller);
100 }
101
102 // test reads m1, open module m1 containing p1
103 public void testTargetClassInOpenModule() throws Throwable {
104 // m1/p1.Type
105 Class<?> clazz = Class.forName("p1.Type");
106 assertEquals(clazz.getModule().getName(), "m1");
107
108 // ensure that this module reads m1
109 Module thisModule = getClass().getModule();
110 Module m1 = clazz.getModule();
111 thisModule.addReads(clazz.getModule());
112 assertTrue(m1.isOpen("p1", thisModule));
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