langtools/test/tools/javac/generics/Conditional.java
author sogoel
Thu, 05 Jun 2014 10:57:10 -0700
changeset 24797 850ebd4d80a7
parent 5520 86e4b9a9da40
permissions -rw-r--r--
8044072: Group 2: create .out files for OverrideChecks tests in tools/javac dir Reviewed-by: jjg
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
10
06bc494ca11e Initial load
duke
parents:
diff changeset
     1
/*
5520
86e4b9a9da40 6943119: Rebrand source copyright notices
ohair
parents: 2985
diff changeset
     2
 * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
10
06bc494ca11e Initial load
duke
parents:
diff changeset
     3
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
06bc494ca11e Initial load
duke
parents:
diff changeset
     4
 *
06bc494ca11e Initial load
duke
parents:
diff changeset
     5
 * This code is free software; you can redistribute it and/or modify it
06bc494ca11e Initial load
duke
parents:
diff changeset
     6
 * under the terms of the GNU General Public License version 2 only, as
06bc494ca11e Initial load
duke
parents:
diff changeset
     7
 * published by the Free Software Foundation.
06bc494ca11e Initial load
duke
parents:
diff changeset
     8
 *
06bc494ca11e Initial load
duke
parents:
diff changeset
     9
 * This code is distributed in the hope that it will be useful, but WITHOUT
06bc494ca11e Initial load
duke
parents:
diff changeset
    10
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
06bc494ca11e Initial load
duke
parents:
diff changeset
    11
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
06bc494ca11e Initial load
duke
parents:
diff changeset
    12
 * version 2 for more details (a copy is included in the LICENSE file that
06bc494ca11e Initial load
duke
parents:
diff changeset
    13
 * accompanied this code).
06bc494ca11e Initial load
duke
parents:
diff changeset
    14
 *
06bc494ca11e Initial load
duke
parents:
diff changeset
    15
 * You should have received a copy of the GNU General Public License version
06bc494ca11e Initial load
duke
parents:
diff changeset
    16
 * 2 along with this work; if not, write to the Free Software Foundation,
06bc494ca11e Initial load
duke
parents:
diff changeset
    17
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
06bc494ca11e Initial load
duke
parents:
diff changeset
    18
 *
5520
86e4b9a9da40 6943119: Rebrand source copyright notices
ohair
parents: 2985
diff changeset
    19
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
86e4b9a9da40 6943119: Rebrand source copyright notices
ohair
parents: 2985
diff changeset
    20
 * or visit www.oracle.com if you need additional information or have any
86e4b9a9da40 6943119: Rebrand source copyright notices
ohair
parents: 2985
diff changeset
    21
 * questions.
10
06bc494ca11e Initial load
duke
parents:
diff changeset
    22
 */
06bc494ca11e Initial load
duke
parents:
diff changeset
    23
06bc494ca11e Initial load
duke
parents:
diff changeset
    24
/*
06bc494ca11e Initial load
duke
parents:
diff changeset
    25
 * @test
06bc494ca11e Initial load
duke
parents:
diff changeset
    26
 * @bug 4881179 4883239
06bc494ca11e Initial load
duke
parents:
diff changeset
    27
 * @summary Rule for semantics of ?: in the presence of generics and generic class Class
06bc494ca11e Initial load
duke
parents:
diff changeset
    28
 * @author gafter
06bc494ca11e Initial load
duke
parents:
diff changeset
    29
 *
2985
f43e1241e7fb 6843761: Update langtools tests to remove unncessary -source and -target options
darcy
parents: 10
diff changeset
    30
 * @compile  Conditional.java
10
06bc494ca11e Initial load
duke
parents:
diff changeset
    31
 */
06bc494ca11e Initial load
duke
parents:
diff changeset
    32
06bc494ca11e Initial load
duke
parents:
diff changeset
    33
package conditional;
06bc494ca11e Initial load
duke
parents:
diff changeset
    34
06bc494ca11e Initial load
duke
parents:
diff changeset
    35
import java.io.Serializable;
06bc494ca11e Initial load
duke
parents:
diff changeset
    36
06bc494ca11e Initial load
duke
parents:
diff changeset
    37
interface I {}
06bc494ca11e Initial load
duke
parents:
diff changeset
    38
interface J {}
06bc494ca11e Initial load
duke
parents:
diff changeset
    39
class A implements I, J {}
06bc494ca11e Initial load
duke
parents:
diff changeset
    40
class B implements I, J {}
06bc494ca11e Initial load
duke
parents:
diff changeset
    41
class C extends B {}
06bc494ca11e Initial load
duke
parents:
diff changeset
    42
06bc494ca11e Initial load
duke
parents:
diff changeset
    43
class Conditional {
06bc494ca11e Initial load
duke
parents:
diff changeset
    44
    static boolean cond = String.class.getName().length() == 1;
06bc494ca11e Initial load
duke
parents:
diff changeset
    45
    public static void main(String[] args) {
06bc494ca11e Initial load
duke
parents:
diff changeset
    46
        Class c = cond ? A.class : B.class;
06bc494ca11e Initial load
duke
parents:
diff changeset
    47
        Class<?> d = cond ? A.class : B.class;
06bc494ca11e Initial load
duke
parents:
diff changeset
    48
06bc494ca11e Initial load
duke
parents:
diff changeset
    49
        Class<? extends B> e = cond ? B.class : C.class;
06bc494ca11e Initial load
duke
parents:
diff changeset
    50
    }
06bc494ca11e Initial load
duke
parents:
diff changeset
    51
06bc494ca11e Initial load
duke
parents:
diff changeset
    52
    void f(A a, B b) {
06bc494ca11e Initial load
duke
parents:
diff changeset
    53
        I i = cond ? a : b;
06bc494ca11e Initial load
duke
parents:
diff changeset
    54
        J j = cond ? a : b;
06bc494ca11e Initial load
duke
parents:
diff changeset
    55
    }
06bc494ca11e Initial load
duke
parents:
diff changeset
    56
06bc494ca11e Initial load
duke
parents:
diff changeset
    57
    // required for compatibility
06bc494ca11e Initial load
duke
parents:
diff changeset
    58
    Class g(Class a) {
06bc494ca11e Initial load
duke
parents:
diff changeset
    59
        return cond ? a : B.class;
06bc494ca11e Initial load
duke
parents:
diff changeset
    60
    }
06bc494ca11e Initial load
duke
parents:
diff changeset
    61
06bc494ca11e Initial load
duke
parents:
diff changeset
    62
    // required for compatibility
06bc494ca11e Initial load
duke
parents:
diff changeset
    63
    byte[] h(byte[] a, byte[] b) {
06bc494ca11e Initial load
duke
parents:
diff changeset
    64
        return cond ? a : b;
06bc494ca11e Initial load
duke
parents:
diff changeset
    65
    }
06bc494ca11e Initial load
duke
parents:
diff changeset
    66
06bc494ca11e Initial load
duke
parents:
diff changeset
    67
    // This one is hard because of the recursive F-bounds
06bc494ca11e Initial load
duke
parents:
diff changeset
    68
    // The naive result is the infinite type
06bc494ca11e Initial load
duke
parents:
diff changeset
    69
    // Class<? extends Number&Comparable<? extends Number&Comparable<? extends
06bc494ca11e Initial load
duke
parents:
diff changeset
    70
    // ...
06bc494ca11e Initial load
duke
parents:
diff changeset
    71
    Class<? extends Comparable<?>> c =
06bc494ca11e Initial load
duke
parents:
diff changeset
    72
        cond ? Integer.class : Float.class;
06bc494ca11e Initial load
duke
parents:
diff changeset
    73
06bc494ca11e Initial load
duke
parents:
diff changeset
    74
    Comparable<?> o =
06bc494ca11e Initial load
duke
parents:
diff changeset
    75
        cond ? true : 3;
06bc494ca11e Initial load
duke
parents:
diff changeset
    76
06bc494ca11e Initial load
duke
parents:
diff changeset
    77
    /*
06bc494ca11e Initial load
duke
parents:
diff changeset
    78
06bc494ca11e Initial load
duke
parents:
diff changeset
    79
    // See 4942040
06bc494ca11e Initial load
duke
parents:
diff changeset
    80
    void f(Cloneable a, int[] b) {
06bc494ca11e Initial load
duke
parents:
diff changeset
    81
        Cloneable x = cond ? a : b;
06bc494ca11e Initial load
duke
parents:
diff changeset
    82
    }
06bc494ca11e Initial load
duke
parents:
diff changeset
    83
    void f(Serializable a, int[] b) {
06bc494ca11e Initial load
duke
parents:
diff changeset
    84
        Serializable x = cond ? a : b;
06bc494ca11e Initial load
duke
parents:
diff changeset
    85
    }
06bc494ca11e Initial load
duke
parents:
diff changeset
    86
06bc494ca11e Initial load
duke
parents:
diff changeset
    87
    // See 4941882
06bc494ca11e Initial load
duke
parents:
diff changeset
    88
    void f(float[] a, int[] b) {
06bc494ca11e Initial load
duke
parents:
diff changeset
    89
        Serializable x = cond ? a : b;
06bc494ca11e Initial load
duke
parents:
diff changeset
    90
    }
06bc494ca11e Initial load
duke
parents:
diff changeset
    91
    */
06bc494ca11e Initial load
duke
parents:
diff changeset
    92
}