J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any questions. |
| 22 | */ |
| 23 | |
| 24 | /* |
| 25 | * @test |
| 26 | * @bug 4891872 |
| 27 | * @summary Some tests for the generic core reflection api. |
| 28 | * @author Gilad Bracha |
| 29 | * @compile -source 1.5 TestN1.java |
| 30 | * @run main/othervm -ea TestN1 |
| 31 | */ |
| 32 | |
| 33 | |
| 34 | import java.lang.reflect.*; |
| 35 | |
| 36 | |
| 37 | class N1<T1, T2> { |
| 38 | |
| 39 | public Inner1 i1; |
| 40 | public Inner2 i2; |
| 41 | public Inner2<? super Character> i2sc; |
| 42 | |
| 43 | public class Inner1 { |
| 44 | |
| 45 | } |
| 46 | |
| 47 | public class Inner2<T1> { |
| 48 | public boolean x; |
| 49 | public byte b; |
| 50 | public short s; |
| 51 | public char c; |
| 52 | public int i; |
| 53 | public long l; |
| 54 | public float f; |
| 55 | public double d; |
| 56 | |
| 57 | public boolean[] xa; |
| 58 | public byte[] ba; |
| 59 | public short[] sa; |
| 60 | public char[] ca; |
| 61 | public int[] ia; |
| 62 | public long[] la; |
| 63 | public float[] fa; |
| 64 | public double[] da; |
| 65 | } |
| 66 | |
| 67 | public class Inner3<X1, X2, X3> { |
| 68 | X1 x1; |
| 69 | |
| 70 | Inner3(X1 x1, X2 x2, X3 x3, T1 t1, T2 t2) {} |
| 71 | |
| 72 | <T, R, S> Inner3(T t, R r, S s, X1 x1) {} |
| 73 | |
| 74 | int shazam(boolean b, short s, int[] ia, Object[] oa, Inner1 i1, |
| 75 | Inner1 i1a, InnerInner<String, |
| 76 | Inner3<Object, String, Object[]>> ii) |
| 77 | { return 3;} |
| 78 | |
| 79 | public class InnerInner<T2, X2> { |
| 80 | |
| 81 | boolean b; |
| 82 | Inner2<X2> i2x; |
| 83 | |
| 84 | void foo(X3 x3){} |
| 85 | <X3> X3[] bar(X1 x1, X3[] x3, T1 t1) { return x3;} |
| 86 | N1<X1, X2> baz(N1<X1, X2> n1) { return n1;} |
| 87 | N1<?, ?> bam(N1<T1, X2> n1) { return n1;} |
| 88 | N1<? extends T1, ?> boom(N1<T1, X2> n1) { return n1;} |
| 89 | |
| 90 | } |
| 91 | |
| 92 | } |
| 93 | |
| 94 | |
| 95 | |
| 96 | |
| 97 | } |
| 98 | |
| 99 | |
| 100 | public class TestN1 { |
| 101 | |
| 102 | static Class<N1> cls = N1.class; |
| 103 | |
| 104 | |
| 105 | public static void main(String[] args) throws Throwable { |
| 106 | testTypeParameters(); |
| 107 | testInner1(); |
| 108 | testInner2(); |
| 109 | testInner3(); |
| 110 | } |
| 111 | |
| 112 | |
| 113 | static void testTypeParameters() { |
| 114 | |
| 115 | System.out.println("testing type parameters"); |
| 116 | TypeVariable[] tvs = cls.getTypeParameters(); |
| 117 | assert |
| 118 | tvs.length == 2 : |
| 119 | "N1 should have two type parameters"; |
| 120 | } |
| 121 | |
| 122 | |
| 123 | static void testInner1() { |
| 124 | System.out.println("testing non-generic inner class"); |
| 125 | Class in1 = N1.Inner1.class; |
| 126 | |
| 127 | TypeVariable[] tvs = in1.getTypeParameters(); |
| 128 | assert |
| 129 | tvs.length == 0 : |
| 130 | "N1.Inner2 should have no type parameters"; |
| 131 | |
| 132 | } |
| 133 | |
| 134 | static void testInner2() throws NoSuchFieldException { |
| 135 | System.out.println("testing generic inner class 1"); |
| 136 | Class in1 = N1.Inner2.class; |
| 137 | |
| 138 | TypeVariable[] tvs = in1.getTypeParameters(); |
| 139 | assert |
| 140 | tvs.length == 1 : |
| 141 | "N1.Inner2 should have one type parameter"; |
| 142 | |
| 143 | |
| 144 | assert |
| 145 | in1.getField("x").getGenericType() == boolean.class : |
| 146 | "Type of Inner2.x should be boolean"; |
| 147 | |
| 148 | assert |
| 149 | in1.getField("b").getGenericType() == byte.class : |
| 150 | "Type of Inner2.b should be byte"; |
| 151 | assert |
| 152 | in1.getField("s").getGenericType() == short.class : |
| 153 | "Type of Inner2.s should be short"; |
| 154 | assert |
| 155 | in1.getField("c").getGenericType() == char.class : |
| 156 | "Type of Inner2.x should be char"; |
| 157 | assert |
| 158 | in1.getField("i").getGenericType() == int.class : |
| 159 | "Type of Inner2.i should be int"; |
| 160 | assert |
| 161 | in1.getField("l").getGenericType() == long.class : |
| 162 | "Type of Inner2.l should be long"; |
| 163 | assert |
| 164 | in1.getField("f").getGenericType() == float.class : |
| 165 | "Type of Inner2.f should be float"; |
| 166 | assert |
| 167 | in1.getField("d").getGenericType() == double.class : |
| 168 | "Type of Inner2.d should be double"; |
| 169 | |
| 170 | assert |
| 171 | in1.getField("xa").getGenericType() == boolean[].class : |
| 172 | "Type of Inner2.xa should be boolean[]"; |
| 173 | |
| 174 | assert |
| 175 | in1.getField("ba").getGenericType() == byte[].class : |
| 176 | "Type of Inner2.ba should be byte[]"; |
| 177 | assert |
| 178 | in1.getField("sa").getGenericType() == short[].class : |
| 179 | "Type of Inner2.sa should be short[]"; |
| 180 | assert |
| 181 | in1.getField("ca").getGenericType() == char[].class : |
| 182 | "Type of Inner2.xa should be char[]"; |
| 183 | assert |
| 184 | in1.getField("ia").getGenericType() == int[].class : |
| 185 | "Type of Inner2.ia should be int[]"; |
| 186 | assert |
| 187 | in1.getField("la").getGenericType() == long[].class : |
| 188 | "Type of Inner2.la should be long[]"; |
| 189 | assert |
| 190 | in1.getField("fa").getGenericType() == float[].class : |
| 191 | "Type of Inner2.fa should be float[]"; |
| 192 | assert |
| 193 | in1.getField("da").getGenericType() == double[].class : |
| 194 | "Type of Inner2.da should be double[]"; |
| 195 | } |
| 196 | |
| 197 | |
| 198 | static void testInner3() { |
| 199 | System.out.println("testing generic inner class 3"); |
| 200 | Class in1 = N1.Inner3.class; |
| 201 | |
| 202 | TypeVariable[] tvs = in1.getTypeParameters(); |
| 203 | assert |
| 204 | tvs.length == 3 : |
| 205 | "N1.Inner2 should have three type parameters"; |
| 206 | } |
| 207 | } |