Tue, 18 Dec 2012 22:16:45 +0000
8005193: New regression test test/tools/javac/lambda/BadMethodCall2.java fails
Summary: Bad golden file in negative test
Reviewed-by: jjh
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | */ |
aoqi@0 | 23 | |
aoqi@0 | 24 | /** |
aoqi@0 | 25 | * @test |
aoqi@0 | 26 | * @bug 8003280 |
aoqi@0 | 27 | * @summary Add lambda tests |
aoqi@0 | 28 | * Test SAM conversion of lambda expressions in context of assignment, method call, return statement and cast. |
aoqi@0 | 29 | * @compile SamConversion.java |
aoqi@0 | 30 | * @run main SamConversion |
aoqi@0 | 31 | */ |
aoqi@0 | 32 | |
aoqi@0 | 33 | public class SamConversion { |
aoqi@0 | 34 | |
aoqi@0 | 35 | static interface Foo { |
aoqi@0 | 36 | Integer m(int i); |
aoqi@0 | 37 | } |
aoqi@0 | 38 | |
aoqi@0 | 39 | static interface Bar { |
aoqi@0 | 40 | int m(Integer i) throws Exception; |
aoqi@0 | 41 | } |
aoqi@0 | 42 | |
aoqi@0 | 43 | private static String assertionStr = ""; |
aoqi@0 | 44 | |
aoqi@0 | 45 | private static void assertTrue(boolean b) { |
aoqi@0 | 46 | if(!b) |
aoqi@0 | 47 | throw new AssertionError(); |
aoqi@0 | 48 | } |
aoqi@0 | 49 | |
aoqi@0 | 50 | private static void test1(Foo foo) { |
aoqi@0 | 51 | assertTrue(foo.m(1) == 2); |
aoqi@0 | 52 | } |
aoqi@0 | 53 | |
aoqi@0 | 54 | private static void test2(Bar bar) { |
aoqi@0 | 55 | try { |
aoqi@0 | 56 | assertTrue(bar.m(1) == 2); |
aoqi@0 | 57 | } catch (Exception e){ |
aoqi@0 | 58 | assertTrue(false); |
aoqi@0 | 59 | } |
aoqi@0 | 60 | } |
aoqi@0 | 61 | |
aoqi@0 | 62 | private static Bar test3(int i) { |
aoqi@0 | 63 | switch (i) { |
aoqi@0 | 64 | case 0: |
aoqi@0 | 65 | return n -> n + 1; |
aoqi@0 | 66 | case 1: |
aoqi@0 | 67 | return (Integer n) -> 2 * n; |
aoqi@0 | 68 | case 2: |
aoqi@0 | 69 | return (Integer n) -> {return new Integer(n-1);}; |
aoqi@0 | 70 | case 3: |
aoqi@0 | 71 | return n -> {throw new Exception();}; |
aoqi@0 | 72 | default: |
aoqi@0 | 73 | return null; |
aoqi@0 | 74 | } |
aoqi@0 | 75 | } |
aoqi@0 | 76 | |
aoqi@0 | 77 | public static void main(String[] args) { |
aoqi@0 | 78 | |
aoqi@0 | 79 | //assign: |
aoqi@0 | 80 | Foo foo = (int n) -> n + 1; //explicit type and boxing |
aoqi@0 | 81 | assertTrue(foo.m(1) == 2); |
aoqi@0 | 82 | |
aoqi@0 | 83 | foo = n -> n + 1; //type inferrred and boxing |
aoqi@0 | 84 | assertTrue(foo.m(1) == 2); |
aoqi@0 | 85 | |
aoqi@0 | 86 | Bar bar = (Integer n) -> n + 1; //explicit type and unboxing |
aoqi@0 | 87 | try { |
aoqi@0 | 88 | assertTrue(bar.m(1) == 2); |
aoqi@0 | 89 | } catch (Exception e) { |
aoqi@0 | 90 | assertTrue(false); |
aoqi@0 | 91 | } |
aoqi@0 | 92 | |
aoqi@0 | 93 | bar = (Integer n) -> new Integer(n+1); //explicit type and unboxing twice |
aoqi@0 | 94 | try { |
aoqi@0 | 95 | assertTrue(bar.m(1) == 2); |
aoqi@0 | 96 | } catch (Exception e) { |
aoqi@0 | 97 | assertTrue(false); |
aoqi@0 | 98 | } |
aoqi@0 | 99 | |
aoqi@0 | 100 | bar = n -> n.intValue() + 1; //type inferred |
aoqi@0 | 101 | try { |
aoqi@0 | 102 | assertTrue(bar.m(1) == 2); |
aoqi@0 | 103 | } catch (Exception e) { |
aoqi@0 | 104 | assertTrue(false); |
aoqi@0 | 105 | } |
aoqi@0 | 106 | |
aoqi@0 | 107 | bar = n -> n + 1; // type inferred and unboxing |
aoqi@0 | 108 | try { |
aoqi@0 | 109 | assertTrue(bar.m(1) == 2); |
aoqi@0 | 110 | } catch (Exception e) { |
aoqi@0 | 111 | assertTrue(false); |
aoqi@0 | 112 | } |
aoqi@0 | 113 | |
aoqi@0 | 114 | //cast: |
aoqi@0 | 115 | assertTrue(((Foo)n -> {return n+1;}).m(1) == 2); //statement (instead of expression) in lambda body |
aoqi@0 | 116 | try { |
aoqi@0 | 117 | assertTrue(((Bar)n -> {return n+1;}).m(1) == 2); //statement in lambda body |
aoqi@0 | 118 | } catch (Exception e) { |
aoqi@0 | 119 | assertTrue(false); |
aoqi@0 | 120 | } |
aoqi@0 | 121 | |
aoqi@0 | 122 | //method parameter: |
aoqi@0 | 123 | test1((int n) -> new Integer(n+1)); //explicit type |
aoqi@0 | 124 | test2((Integer n) -> n.intValue() + 1); //explicit type |
aoqi@0 | 125 | |
aoqi@0 | 126 | //return statement: |
aoqi@0 | 127 | bar = test3(0); |
aoqi@0 | 128 | try { |
aoqi@0 | 129 | assertTrue(bar.m(1) == 2); |
aoqi@0 | 130 | } catch (Exception e) { |
aoqi@0 | 131 | assertTrue(false); |
aoqi@0 | 132 | } |
aoqi@0 | 133 | bar = test3(1); |
aoqi@0 | 134 | try { |
aoqi@0 | 135 | assertTrue(bar.m(3) == 6); |
aoqi@0 | 136 | } catch (Exception e) { |
aoqi@0 | 137 | assertTrue(false); |
aoqi@0 | 138 | } |
aoqi@0 | 139 | bar = test3(2); |
aoqi@0 | 140 | try { |
aoqi@0 | 141 | assertTrue(bar.m(10) == 9); |
aoqi@0 | 142 | } catch (Exception e) { |
aoqi@0 | 143 | assertTrue(false); |
aoqi@0 | 144 | } |
aoqi@0 | 145 | bar = test3(3); |
aoqi@0 | 146 | try { |
aoqi@0 | 147 | bar.m(10); |
aoqi@0 | 148 | assertTrue(false); |
aoqi@0 | 149 | } catch (Exception e) {} |
aoqi@0 | 150 | } |
aoqi@0 | 151 | } |