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 * @enablePreview
30 * @run testng/othervm -XX:+UnlockDiagnosticVMOptions -XX:UseBootstrapCallInfo=3 CondyTypeValidationTest
31 */
32
33 import org.testng.Assert;
34 import org.testng.annotations.DataProvider;
35 import org.testng.annotations.Test;
36 import test.java.lang.invoke.lib.InstructionHelper;
37
38 import java.lang.invoke.MethodHandle;
39 import java.lang.invoke.MethodHandles;
40 import java.util.ArrayList;
41 import java.util.List;
42 import java.util.stream.Collectors;
43 import java.util.stream.Stream;
44
45 import static java.lang.invoke.MethodType.methodType;
46
47 public class CondyTypeValidationTest {
48 static final MethodHandles.Lookup L = MethodHandles.lookup();
49 static final String BSM_TYPE = methodType(Object.class, MethodHandles.Lookup.class, String.class, Object.class)
50 .toMethodDescriptorString();
51
52 @DataProvider
53 public Object[][] invalidTypesProvider() {
54 return Stream.of(
55 // ByteCode API checks for the following invalid types
56 // "",
57 // "[",
58 // "A",
59 // "a",
60 new Object[]{"L/java/lang/Object", "not a valid reference type descriptor"},
61 new Object[]{
62 Stream.generate(() -> "[").limit(256)
63 .collect(Collectors.joining("", "", "I")),
64 "Cannot create an array type descriptor with more than 255 dimensions"
65 }
66 ).toArray(Object[][]::new);
67 }
68
69 @Test(dataProvider = "invalidTypesProvider")
70 public void testInvalidTypes(String type, String errMessContent) throws Exception {
71 try {
72 MethodHandle mh = InstructionHelper.ldcDynamicConstant(
73 L, "name", type,
74 "bsm", BSM_TYPE
75 );
76 } catch (IllegalArgumentException e) {
77 Assert.assertTrue(e.getMessage().contains(errMessContent));
78 }
79 }
80
81 @DataProvider
82 public Object[][] validTypesProvider() {
83 List<String> t = new ArrayList<>(List.of("B", "C", "D", "F", "I", "J", "Ljava/lang/Object;", "S", "Z"));
84 int l = t.size();
85 for (int i = 0; i < l; i++) {
86 t.add("[" + t.get(i));
87 }
88
89 return t.stream()
90 .map(e -> new Object[]{e}).toArray(Object[][]::new);
91 }
92
93 @Test(dataProvider = "validTypesProvider")
94 public void testValidTypes(String type) throws Exception {
95 MethodHandle mh = InstructionHelper.ldcDynamicConstant(
96 L, "name", type,
97 "bsm", BSM_TYPE
98 );
99 }
100 }