1 /*
 2  * Copyright (c) 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  */
23 
24 /*
25  * @test
26  * @bug 8186046
27  * @summary Test invalid name in name and type
28  * @library /java/lang/invoke/common
29  * @build test.java.lang.invoke.lib.InstructionHelper
30  * @enablePreview
31  * @run testng CondyBSMValidationTest
32  * @run testng/othervm -XX:+UnlockDiagnosticVMOptions -XX:UseBootstrapCallInfo=3 CondyBSMValidationTest
33  */
34 
35 import org.testng.Assert;
36 import org.testng.annotations.DataProvider;
37 import org.testng.annotations.Test;
38 import test.java.lang.invoke.lib.InstructionHelper;
39 
40 import java.lang.invoke.MethodHandle;
41 import java.lang.invoke.MethodHandles;
42 import java.util.stream.Stream;
43 
44 import static java.lang.invoke.MethodType.methodType;
45 
46 public class CondyBSMValidationTest {
47     static final MethodHandles.Lookup L = MethodHandles.lookup();
48     static final String BSM_TYPE = methodType(Object.class, MethodHandles.Lookup.class, String.class, Object.class)
49             .toMethodDescriptorString();
50 
51     @DataProvider
52     public Object[][] invalidSignaturesProvider() throws Exception {
53         return Stream.of(BSM_TYPE.replace("(", ""),
54                         BSM_TYPE.replace(")", ""),
55                         BSM_TYPE.replace("(", "").replace(")", ""),
56                         BSM_TYPE.replace(";)", ")"),
57                         BSM_TYPE.replace(";", ""))
58                 .map(e -> new Object[]{e}).toArray(Object[][]::new);
59     }
60 
61     @Test(dataProvider = "invalidSignaturesProvider")
62     public void testInvalidBSMSignature(String sig) throws Exception {
63         try {
64             MethodHandle mh = InstructionHelper.ldcDynamicConstant(
65                     L, "name", "Ljava/lang/Object;",
66                     "bsm", sig
67             );
68         } catch (IllegalArgumentException e) {
69             Assert.assertTrue(e.getMessage().contains("Bad method descriptor"));
70         }
71     }
72 }