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 * @build test.java.lang.invoke.lib.InstructionHelper
30 * @enablePreview
31 * @run testng BootstrapMethodJumboArgsTest
32 * @run testng/othervm -XX:+UnlockDiagnosticVMOptions -XX:UseBootstrapCallInfo=3 BootstrapMethodJumboArgsTest
33 */
34
35 import org.testng.Assert;
36 import org.testng.annotations.Test;
37 import test.java.lang.invoke.lib.InstructionHelper;
38
39 import java.lang.invoke.ConstantCallSite;
40 import java.lang.invoke.MethodHandle;
41 import java.lang.invoke.MethodHandles;
42 import java.lang.invoke.MethodType;
43 import java.util.stream.IntStream;
44
45 import static java.lang.invoke.MethodType.methodType;
46
47 public class BootstrapMethodJumboArgsTest {
48 static final MethodHandles.Lookup L = MethodHandles.lookup();
49
50
51 static Object bsmZero(MethodHandles.Lookup l, String name, Object type,
52 Object... args) {
53 Object[] a = args.clone();
54 if (type instanceof MethodType) {
55 return new ConstantCallSite(MethodHandles.constant(Object[].class, a));
56 } else {
57 return a;
58 }
59 }
60
61 static Object bsmOne(MethodHandles.Lookup l, String name, Object type,
62 Object first, Object... args) {
63 Object[] a = new Object[args.length + 1];
64 a[0] = first;
65 System.arraycopy(args, 0, a, 1, args.length);
66 if (type instanceof MethodType) {
67 return new ConstantCallSite(MethodHandles.constant(Object[].class, a));
68 } else {
69 return a;
70 }
71 }
72
73 static Object bsmTwo(MethodHandles.Lookup l, String name, Object type,
74 Object first, Object second, Object... args) {
75 Object[] a = new Object[args.length + 2];
76 a[0] = first;
77 a[1] = second;
78 System.arraycopy(args, 0, a, 2, args.length);
79 if (type instanceof MethodType) {
80 return new ConstantCallSite(MethodHandles.constant(Object[].class, a));
81 } else {
82 return a;
83 }
84 }
85
86 @Test
87 public void testCondyWithJumboArgs() throws Throwable {
88 String[] expected = IntStream.range(0, 1000).mapToObj(Integer::toString).toArray(String[]::new);
89
90 {
91 MethodHandle mh = InstructionHelper.ldcDynamicConstant(
92 L, "name", Object[].class,
93 "bsmZero", methodType(Object.class, MethodHandles.Lookup.class, String.class,
94 Object.class, Object[].class), expected);
95
96 Object[] actual = (Object[]) mh.invoke();
97 Assert.assertEquals(actual, expected);
98 }
99
100 {
101 MethodHandle mh = InstructionHelper.ldcDynamicConstant(
102 L, "name", Object[].class,
103 "bsmOne", methodType(Object.class, MethodHandles.Lookup.class, String.class,
104 Object.class, Object.class, Object[].class), expected);
105
106 Object[] actual = (Object[]) mh.invoke();
107 Assert.assertEquals(actual, expected);
108 }
109
110 {
111 MethodHandle mh = InstructionHelper.ldcDynamicConstant(
112 L, "name", Object[].class,
113 "bsmTwo", methodType(Object.class, MethodHandles.Lookup.class, String.class,
114 Object.class, Object.class, Object.class, Object[].class), expected);
115
116 Object[] actual = (Object[]) mh.invoke();
117 Assert.assertEquals(actual, expected);
118 }
119 }
120
121 @Test
122 public void testIndyWithJumboArgs() throws Throwable {
123 String[] expected = IntStream.range(0, 1000).mapToObj(Integer::toString).toArray(String[]::new);
124
125 {
126 MethodHandle mh = InstructionHelper.invokedynamic(
127 L, "name", methodType(Object[].class),
128 "bsmZero", methodType(Object.class, MethodHandles.Lookup.class, String.class,
129 Object.class, Object[].class), expected);
130
131 Object[] actual = (Object[]) mh.invoke();
132 Assert.assertEquals(actual, expected);
133 }
134
135 {
136 MethodHandle mh = InstructionHelper.invokedynamic(
137 L, "name", methodType(Object[].class),
138 "bsmOne", methodType(Object.class, MethodHandles.Lookup.class, String.class,
139 Object.class, Object.class, Object[].class), expected);
140
141 Object[] actual = (Object[]) mh.invoke();
142 Assert.assertEquals(actual, expected);
143 }
144
145 {
146 MethodHandle mh = InstructionHelper.invokedynamic(
147 L, "name", methodType(Object[].class),
148 "bsmTwo", methodType(Object.class, MethodHandles.Lookup.class, String.class,
149 Object.class, Object.class, Object.class, Object[].class), expected);
150
151 Object[] actual = (Object[]) mh.invoke();
152 Assert.assertEquals(actual, expected);
153 }
154 }
155 }