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 /*
26 * @test
27 * @summary test value bootstrap methods
28 * @modules java.base/jdk.internal.org.objectweb.asm
29 * @compile -XDallowWithFieldOperator ValueBootstrapMethods.java
30 * @run main/othervm -XX:+EnableValhalla -Dvalue.bsm.salt=1 ValueBootstrapMethods
31 */
32
33 import java.io.IOException;
34 import java.lang.invoke.CallSite;
35 import java.lang.invoke.MethodHandles;
36 import java.lang.invoke.MethodType;
37 import java.lang.reflect.*;
38 import java.nio.file.Files;
39 import java.nio.file.Path;
40 import java.nio.file.Paths;
41 import java.util.HashSet;
42 import java.util.List;
43 import java.util.Objects;
44 import java.util.Set;
45
46 import jdk.internal.org.objectweb.asm.Attribute;
47 import jdk.internal.org.objectweb.asm.ByteVector;
48 import jdk.internal.org.objectweb.asm.ClassReader;
49 import jdk.internal.org.objectweb.asm.ClassWriter;
50 import jdk.internal.org.objectweb.asm.Handle;
51 import jdk.internal.org.objectweb.asm.Label;
52 import jdk.internal.org.objectweb.asm.MethodVisitor;
53 import jdk.internal.org.objectweb.asm.Type;
54 import static jdk.internal.org.objectweb.asm.Opcodes.*;
55
56 public class ValueBootstrapMethods {
57 private static final String TEST_CLASSES = System.getProperty("test.classes", ".");
58
59 public static void main(String... args) throws Throwable {
60 Class<?> test = valueTestClass();
61 Value value = Value.make(10, 5.03, "foo", "bar", "goo");
62
63 Class<?> valueClass = Value.class.asValueType();
64 Method hashCode = test.getMethod("hashCode", valueClass);
65 int hash = (int)hashCode.invoke(null, value);
66 assertEquals(hash, value.hashCode());
67
68 Method toString = test.getMethod("toString", valueClass);
69 String s = (String)toString.invoke(null, value);
70 assertEquals(s, value.toString());
71
72 Method equals = test.getMethod("equals", valueClass, Object.class);
73 boolean rc = (boolean)equals.invoke(null, value, value);
74 if (!rc) {
75 throw new RuntimeException("expected equals");
76 }
77 }
78
79 public static final inline class Value {
80 private final int i;
81 private final double d;
82 private final String s;
83 private final List<String> l;
84 Value() {
85 this.i = 0;
86 this.d = 0;
87 this.s = "default";
88 this.l = List.of();
89 }
90 public static Value make(int i, double d, String s, String... items) {
91 Value v = Value.default;
92 v = __WithField(v.i, i);
93 v = __WithField(v.d, d);
94 v = __WithField(v.s, s);
95 v = __WithField(v.l, List.of(items));
96 return v;
97 }
98
99 List<Object> values() {
100 return List.of(Value.class.asValueType(), i, d, s, l);
101 }
102
103 public int hashCode() {
104 return values().hashCode();
105 }
106
107 public String toString() {
108 System.out.println(l);
109 return String.format("[%s i=%s d=%s s=%s l=%s]", Value.class.getName(),
110 i, String.valueOf(d), s, l.toString());
111 }
112 }
113
114 /*
115 * Generate ValueTest class
116 */
117 private static Class<?> valueTestClass() throws Exception {
118 Path path = Paths.get(TEST_CLASSES, "ValueTest.class");
119 generate(Value.class.asValueType(), "ValueTest", path);
120 return Class.forName("ValueTest");
121 }
122
123 private static void assertEquals(Object o1, Object expected) {
124 if (!Objects.equals(o1, expected)) {
125 throw new RuntimeException(o1 + " expected: " + expected);
126 }
127 }
128
129 static final int CLASSFILE_VERSION = 56;
130 static void generate(Class<?> c, String className, Path path) throws IOException {
131 ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS + ClassWriter.COMPUTE_FRAMES);
132
133 cw.visit(CLASSFILE_VERSION,
134 ACC_SUPER + ACC_PUBLIC + ACC_FINAL + ACC_SYNTHETIC,
135 className,
136 null,
137 "java/lang/Object",
138 null
139 );
|
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 /*
26 * @test
27 * @summary test value bootstrap methods
28 * @modules java.base/jdk.internal.org.objectweb.asm
29 * @compile -XDallowWithFieldOperator ValueBootstrapMethods.java
30 * @run main/othervm -XX:+EnableValhalla -Dvalue.bsm.salt=1 ValueBootstrapMethods
31 */
32
33 import java.io.IOException;
34 import java.lang.invoke.CallSite;
35 import java.lang.invoke.MethodHandles;
36 import java.lang.invoke.MethodType;
37 import java.lang.reflect.Method;
38 import java.nio.file.Files;
39 import java.nio.file.Path;
40 import java.nio.file.Paths;
41 import java.util.List;
42 import java.util.Objects;
43
44 import jdk.internal.org.objectweb.asm.ClassWriter;
45 import jdk.internal.org.objectweb.asm.Handle;
46 import jdk.internal.org.objectweb.asm.MethodVisitor;
47 import jdk.internal.org.objectweb.asm.Type;
48 import static jdk.internal.org.objectweb.asm.Opcodes.*;
49
50 public class ValueBootstrapMethods {
51 private static final String TEST_CLASSES = System.getProperty("test.classes", ".");
52
53 public static void main(String... args) throws Throwable {
54 Class<?> test = valueTestClass();
55 Value value = Value.make(10, 5.03, "foo", "bar", "goo");
56
57 Class<?> valueClass = Value.class.asPrimaryType();
58 Method hashCode = test.getMethod("hashCode", valueClass);
59 int hash = (int)hashCode.invoke(null, value);
60 assertEquals(hash, value.hashCode());
61
62 Method toString = test.getMethod("toString", valueClass);
63 String s = (String)toString.invoke(null, value);
64 assertEquals(s, value.toString());
65
66 Method equals = test.getMethod("equals", valueClass, Object.class);
67 boolean rc = (boolean)equals.invoke(null, value, value);
68 if (!rc) {
69 throw new RuntimeException("expected equals");
70 }
71 }
72
73 public static final inline class Value {
74 private final int i;
75 private final double d;
76 private final String s;
77 private final List<String> l;
78 Value() {
79 this.i = 0;
80 this.d = 0;
81 this.s = "default";
82 this.l = List.of();
83 }
84 public static Value make(int i, double d, String s, String... items) {
85 Value v = Value.default;
86 v = __WithField(v.i, i);
87 v = __WithField(v.d, d);
88 v = __WithField(v.s, s);
89 v = __WithField(v.l, List.of(items));
90 return v;
91 }
92
93 List<Object> values() {
94 return List.of(Value.class, i, d, s, l);
95 }
96
97 public int hashCode() {
98 return values().hashCode();
99 }
100
101 public String toString() {
102 System.out.println(l);
103 return String.format("[%s i=%s d=%s s=%s l=%s]", Value.class.getName(),
104 i, String.valueOf(d), s, l.toString());
105 }
106 }
107
108 /*
109 * Generate ValueTest class
110 */
111 private static Class<?> valueTestClass() throws Exception {
112 Path path = Paths.get(TEST_CLASSES, "ValueTest.class");
113 generate(Value.class, "ValueTest", path);
114 return Class.forName("ValueTest");
115 }
116
117 private static void assertEquals(Object o1, Object expected) {
118 if (!Objects.equals(o1, expected)) {
119 throw new RuntimeException(o1 + " expected: " + expected);
120 }
121 }
122
123 static final int CLASSFILE_VERSION = 56;
124 static void generate(Class<?> c, String className, Path path) throws IOException {
125 ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS + ClassWriter.COMPUTE_FRAMES);
126
127 cw.visit(CLASSFILE_VERSION,
128 ACC_SUPER + ACC_PUBLIC + ACC_FINAL + ACC_SYNTHETIC,
129 className,
130 null,
131 "java/lang/Object",
132 null
133 );
|