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1 /* |
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2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 |
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24 /* |
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25 * @test |
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26 * @bug 8003280 |
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27 * @summary Add lambda tests |
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28 * check that raw qualifier in unbound method reference is inferred from descriptor |
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29 * @run main MethodReference48 |
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30 */ |
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31 public class MethodReference48 { |
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32 |
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33 static int assertionCount = 0; |
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34 |
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35 static void assertTrue(boolean cond) { |
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36 assertionCount++; |
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37 if (!cond) |
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38 throw new AssertionError(); |
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39 } |
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40 |
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41 static class Foo<X> { |
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42 X m() { return null; }; |
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43 } |
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44 |
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45 interface SAM1 { |
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46 Foo<Object> m(Foo<String> fs); |
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47 } |
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48 |
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49 interface SAM2 { |
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50 Integer m(Foo<Integer> fi); |
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51 } |
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52 |
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53 interface SAM3 { |
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54 Object m(Foo<Integer> fi); |
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55 } |
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56 |
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57 static void g(SAM1 s) { assertTrue(false); } //return type not compatible |
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58 static void g(SAM2 s) { assertTrue(true); } //ok |
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59 static void g(SAM3 s) { assertTrue(false); } //ok but less specific |
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60 |
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61 public static void main(String[] args) { |
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62 g(Foo::m); |
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63 assertTrue(assertionCount == 1); |
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64 } |
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65 } |