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/othervm -XX:+UnlockDiagnosticVMOptions -XX:UseBootstrapCallInfo=3 CondyTypeValidationTest
32 */
33
34 import org.testng.Assert;
35 import org.testng.annotations.DataProvider;
36 import org.testng.annotations.Test;
37 import test.java.lang.invoke.lib.InstructionHelper;
38
39 import java.lang.invoke.MethodHandle;
40 import java.lang.invoke.MethodHandles;
41 import java.util.ArrayList;
42 import java.util.List;
43 import java.util.stream.Collectors;
44 import java.util.stream.Stream;
45
46 import static java.lang.invoke.MethodType.methodType;
47
48 public class CondyTypeValidationTest {
49 static final MethodHandles.Lookup L = MethodHandles.lookup();
50 static final String BSM_TYPE = methodType(Object.class, MethodHandles.Lookup.class, String.class, Object.class)
51 .toMethodDescriptorString();
52
53 @DataProvider
54 public Object[][] invalidTypesProvider() {
55 return Stream.of(
56 // ByteCode API checks for the following invalid types
57 // "",
58 // "[",
59 // "A",
60 // "a",
61 new Object[]{"L/java/lang/Object", "not a valid reference type descriptor"},
62 new Object[]{
63 Stream.generate(() -> "[").limit(256)
64 .collect(Collectors.joining("", "", "I")),
65 "Cannot create an array type descriptor with more than 255 dimensions"
66 }
67 ).toArray(Object[][]::new);
68 }
69
70 @Test(dataProvider = "invalidTypesProvider")
71 public void testInvalidTypes(String type, String errMessContent) throws Exception {
72 try {
73 MethodHandle mh = InstructionHelper.ldcDynamicConstant(
74 L, "name", type,
75 "bsm", BSM_TYPE
76 );
77 } catch (IllegalArgumentException e) {
78 Assert.assertTrue(e.getMessage().contains(errMessContent));
79 }
80 }
81
82 @DataProvider
83 public Object[][] validTypesProvider() {
84 List<String> t = new ArrayList<>(List.of("B", "C", "D", "F", "I", "J", "Ljava/lang/Object;", "S", "Z"));
85 int l = t.size();
86 for (int i = 0; i < l; i++) {
87 t.add("[" + t.get(i));
88 }
89
90 return t.stream()
91 .map(e -> new Object[]{e}).toArray(Object[][]::new);
92 }
93
94 @Test(dataProvider = "validTypesProvider")
95 public void testValidTypes(String type) throws Exception {
96 MethodHandle mh = InstructionHelper.ldcDynamicConstant(
97 L, "name", type,
98 "bsm", BSM_TYPE
99 );
100 }
101 }