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 bootstrap methods throwing an exception
28 * @library /java/lang/invoke/common
29 * @enablePreview
30 * @run testng BootstrapMethodJumboArgsTest
31 * @run testng/othervm -XX:+UnlockDiagnosticVMOptions -XX:UseBootstrapCallInfo=3 BootstrapMethodJumboArgsTest
32 */
33
34 import org.testng.Assert;
35 import org.testng.annotations.Test;
36 import test.java.lang.invoke.lib.InstructionHelper;
37
38 import java.lang.invoke.ConstantCallSite;
39 import java.lang.invoke.MethodHandle;
40 import java.lang.invoke.MethodHandles;
41 import java.lang.invoke.MethodType;
42 import java.util.stream.IntStream;
43
44 import static java.lang.invoke.MethodType.methodType;
45
46 public class BootstrapMethodJumboArgsTest {
47 static final MethodHandles.Lookup L = MethodHandles.lookup();
48
49
50 static Object bsmZero(MethodHandles.Lookup l, String name, Object type,
51 Object... args) {
52 Object[] a = args.clone();
53 if (type instanceof MethodType) {
54 return new ConstantCallSite(MethodHandles.constant(Object[].class, a));
55 } else {
56 return a;
57 }
58 }
59
60 static Object bsmOne(MethodHandles.Lookup l, String name, Object type,
61 Object first, Object... args) {
62 Object[] a = new Object[args.length + 1];
63 a[0] = first;
64 System.arraycopy(args, 0, a, 1, args.length);
65 if (type instanceof MethodType) {
66 return new ConstantCallSite(MethodHandles.constant(Object[].class, a));
67 } else {
68 return a;
69 }
70 }
71
72 static Object bsmTwo(MethodHandles.Lookup l, String name, Object type,
73 Object first, Object second, Object... args) {
74 Object[] a = new Object[args.length + 2];
75 a[0] = first;
76 a[1] = second;
77 System.arraycopy(args, 0, a, 2, args.length);
78 if (type instanceof MethodType) {
79 return new ConstantCallSite(MethodHandles.constant(Object[].class, a));
80 } else {
81 return a;
82 }
83 }
84
85 @Test
86 public void testCondyWithJumboArgs() throws Throwable {
87 String[] expected = IntStream.range(0, 1000).mapToObj(Integer::toString).toArray(String[]::new);
88
89 {
90 MethodHandle mh = InstructionHelper.ldcDynamicConstant(
91 L, "name", Object[].class,
92 "bsmZero", methodType(Object.class, MethodHandles.Lookup.class, String.class,
93 Object.class, Object[].class), expected);
94
95 Object[] actual = (Object[]) mh.invoke();
96 Assert.assertEquals(actual, expected);
97 }
98
99 {
100 MethodHandle mh = InstructionHelper.ldcDynamicConstant(
101 L, "name", Object[].class,
102 "bsmOne", methodType(Object.class, MethodHandles.Lookup.class, String.class,
103 Object.class, Object.class, Object[].class), expected);
104
105 Object[] actual = (Object[]) mh.invoke();
106 Assert.assertEquals(actual, expected);
107 }
108
109 {
110 MethodHandle mh = InstructionHelper.ldcDynamicConstant(
111 L, "name", Object[].class,
112 "bsmTwo", methodType(Object.class, MethodHandles.Lookup.class, String.class,
113 Object.class, Object.class, Object.class, Object[].class), expected);
114
115 Object[] actual = (Object[]) mh.invoke();
116 Assert.assertEquals(actual, expected);
117 }
118 }
119
120 @Test
121 public void testIndyWithJumboArgs() throws Throwable {
122 String[] expected = IntStream.range(0, 1000).mapToObj(Integer::toString).toArray(String[]::new);
123
124 {
125 MethodHandle mh = InstructionHelper.invokedynamic(
126 L, "name", methodType(Object[].class),
127 "bsmZero", methodType(Object.class, MethodHandles.Lookup.class, String.class,
128 Object.class, Object[].class), expected);
129
130 Object[] actual = (Object[]) mh.invoke();
131 Assert.assertEquals(actual, expected);
132 }
133
134 {
135 MethodHandle mh = InstructionHelper.invokedynamic(
136 L, "name", methodType(Object[].class),
137 "bsmOne", methodType(Object.class, MethodHandles.Lookup.class, String.class,
138 Object.class, Object.class, Object[].class), expected);
139
140 Object[] actual = (Object[]) mh.invoke();
141 Assert.assertEquals(actual, expected);
142 }
143
144 {
145 MethodHandle mh = InstructionHelper.invokedynamic(
146 L, "name", methodType(Object[].class),
147 "bsmTwo", methodType(Object.class, MethodHandles.Lookup.class, String.class,
148 Object.class, Object.class, Object.class, Object[].class), expected);
149
150 Object[] actual = (Object[]) mh.invoke();
151 Assert.assertEquals(actual, expected);
152 }
153 }
154 }