1 /*

     2  * Copyright (c) 2012, 2013, 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 import org.testng.annotations.Test;

    25 import java.lang.reflect.Array;

    26 

    27 import static org.testng.Assert.assertEquals;

    28 

    29 /**

    30  * @author Robert Field

    31  */

    32 

    33 @Test

    34 public class MethodReferenceTestInnerVarArgsThis {

    35 

    36     interface NsII {

    37 

    38         String m(Integer a, Integer b);

    39     }

    40 

    41     interface Nsiii {

    42 

    43         String m(int a, int b, int c);

    44     }

    45 

    46     interface Nsi {

    47 

    48         String m(int a);

    49     }

    50 

    51     interface NsaO {

    52 

    53         String m(Object[] a);

    54     }

    55 

    56     interface Nsai {

    57 

    58         String m(int[] a);

    59     }

    60 

    61     interface Nsvi {

    62 

    63         String m(int... va);

    64     }

    65 

    66     class CIA {

    67 

    68         String xvI(Integer... vi) {

    69             StringBuilder sb = new StringBuilder("xvI:");

    70             for (Integer i : vi) {

    71                 sb.append(i);

    72                 sb.append("-");

    73             }

    74             return sb.toString();

    75         }

    76 

    77         String xIvI(Integer f, Integer... vi) {

    78             StringBuilder sb = new StringBuilder("xIvI:");

    79             sb.append(f);

    80             for (Integer i : vi) {

    81                 sb.append(i);

    82                 sb.append("-");

    83             }

    84             return sb.toString();

    85         }

    86 

    87         String xvi(int... vi) {

    88             int sum = 0;

    89             for (int i : vi) {

    90                 sum += i;

    91             }

    92             return "xvi:" + sum;

    93         }

    94 

    95         String xIvi(Integer f, int... vi) {

    96             int sum = 0;

    97             for (int i : vi) {

    98                 sum += i;

    99             }

   100             return "xIvi:(" + f + ")" + sum;

   101         }

   102 

   103         String xvO(Object... vi) {

   104             StringBuilder sb = new StringBuilder("xvO:");

   105             for (Object i : vi) {

   106                 if (i.getClass().isArray()) {

   107                     sb.append("[");

   108                     int len = Array.getLength(i);

   109                     for (int x = 0; x < len; ++x) {

   110                         sb.append(Array.get(i, x));

   111                         sb.append(",");

   112                     }

   113                     sb.append("]");

   114 

   115                 } else {

   116                     sb.append(i);

   117                 }

   118                 sb.append("*");

   119             }

   120             return sb.toString();

   121         }

   122 

   123         public class CIB {

   124 

   125             // These should be processed as var args

   126             public void testVarArgsNsSuperclass() {

   127                 NsII q;

   128 

   129                 q = CIA.this::xvO;

   130                 assertEquals(q.m(55, 66), "xvO:55*66*");

   131             }

   132 

   133             public void testVarArgsNsArray() {

   134                 Nsai q;

   135 

   136                 q = CIA.this::xvO;

   137                 assertEquals(q.m(new int[]{55, 66}), "xvO:[55,66,]*");

   138             }

   139 

   140             public void testVarArgsNsII() {

   141                 NsII q;

   142 

   143                 q = CIA.this::xvI;

   144                 assertEquals(q.m(33, 7), "xvI:33-7-");

   145 

   146                 q = CIA.this::xIvI;

   147                 assertEquals(q.m(50, 40), "xIvI:5040-");

   148 

   149                 q = CIA.this::xvi;

   150                 assertEquals(q.m(100, 23), "xvi:123");

   151 

   152                 q = CIA.this::xIvi;

   153                 assertEquals(q.m(9, 21), "xIvi:(9)21");

   154             }

   155 

   156             public void testVarArgsNsiii() {

   157                 Nsiii q;

   158 

   159                 q = CIA.this::xvI;

   160                 assertEquals(q.m(3, 2, 1), "xvI:3-2-1-");

   161 

   162                 q = CIA.this::xIvI;

   163                 assertEquals(q.m(888, 99, 2), "xIvI:88899-2-");

   164 

   165                 q = CIA.this::xvi;

   166                 assertEquals(q.m(900, 80, 7), "xvi:987");

   167 

   168                 q = CIA.this::xIvi;

   169                 assertEquals(q.m(333, 27, 72), "xIvi:(333)99");

   170             }

   171 

   172             public void testVarArgsNsi() {

   173                 Nsi q;

   174 

   175                 q = CIA.this::xvI;

   176                 assertEquals(q.m(3), "xvI:3-");

   177 

   178                 q = CIA.this::xIvI;

   179                 assertEquals(q.m(888), "xIvI:888");

   180 

   181                 q = CIA.this::xvi;

   182                 assertEquals(q.m(900), "xvi:900");

   183 

   184                 q = CIA.this::xIvi;

   185                 assertEquals(q.m(333), "xIvi:(333)0");

   186             }

   187 

   188             // These should NOT be processed as var args

   189             public void testVarArgsNsaO() {

   190                 NsaO q;

   191 

   192                 q = CIA.this::xvO;

   193                 assertEquals(q.m(new String[]{"yo", "there", "dude"}), "xvO:yo*there*dude*");

   194             }

   195         }

   196 

   197         CIB cib() {

   198             return new CIB();

   199         }

   200 

   201         class E {

   202 

   203             String xI(Integer i) {

   204                 return "ExI:" + i;

   205             }

   206         }

   207     }

   208 

   209     CIA cia() {

   210         return new CIA();

   211     }

   212 

   213     // These should be processed as var args

   214     public void testVarArgsNsSuperclass() {

   215         cia().cib().testVarArgsNsSuperclass();

   216     }

   217 

   218     public void testVarArgsNsArray() {

   219         cia().cib().testVarArgsNsArray();

   220     }

   221 

   222     public void testVarArgsNsII() {

   223         cia().cib().testVarArgsNsII();

   224     }

   225 

   226     public void testVarArgsNsiii() {

   227         cia().cib().testVarArgsNsiii();

   228     }

   229 

   230     public void testVarArgsNsi() {

   231         cia().cib().testVarArgsNsi();

   232     }

   233 

   234     // These should NOT be processed as var args

   235 

   236     public void testVarArgsNsaO() {

   237         cia().cib().testVarArgsNsaO();

   238     }

   239 

   240 

   241 }