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
1 /*
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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
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8 *
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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
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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22 */
24 /**
25 * @test
26 * @bug 8003280
27 * @summary Add lambda tests
28 * Test lambda expressions for different method signatures (parameter and return type)
29 * @compile LambdaTest2.java
30 * @run main LambdaTest2
31 */
33 public class LambdaTest2 {
35 private static int count = 0;
37 private static void assertTrue(boolean b) {
38 if(!b)
39 throw new AssertionError();
40 }
42 public static void main(String[] args) {
43 LambdaTest2 test = new LambdaTest2();
45 test.method2((int n) -> { ; });
46 test.method2(n -> { }); // "int" is optional here
47 test.method2((int n) -> { }); // ";" is optional here
48 test.method2((int n) -> { return; }); // ";" is mandatory here
49 test.method2((int n) -> { count += n; });
50 assertTrue(count == 10);
52 VoidInt vi = (int i) -> {
53 switch (i) {
54 case 0:
55 System.out.println("normal");
56 break;
57 default:
58 System.out.println("invalid");
59 }
60 };
62 test.method3(()-> { count++; });
63 test.method3(() -> {});
64 assertTrue(count == 11);
66 VoidVoid vv = ()-> { while(true)
67 if(false)
68 break;
69 else
70 continue;
71 };
73 IntVoid iv1 = () -> 42;
74 IntVoid iv2 = () -> { return 43; };//";" is mandatory here
75 assertTrue(iv1.ivMethod() == 42);
76 assertTrue(iv2.ivMethod() == 43);
78 IntInt ii1 = (int n) -> n+1;
79 IntInt ii2 = n -> 42;
80 IntInt ii3 = n -> { return 43; };
81 IntInt ii4 =
82 (int n) -> {
83 if(n > 0)
84 return n+1;
85 else
86 return n-1;
87 };
88 assertTrue(ii1.iiMethod(1) == 2);
89 assertTrue(ii2.iiMethod(1) == 42);
90 assertTrue(ii3.iiMethod(1) == 43);
91 assertTrue(ii4.iiMethod(-1) == -2);
92 }
94 void method2(VoidInt a) {
95 a.viMethod(10);
96 }
98 void method3(VoidVoid a) {
99 a.vvMethod();
100 }
102 //SAM type interfaces
103 interface VoidInt {
104 void viMethod(int n);
105 }
107 interface VoidVoid {
108 void vvMethod();
109 }
111 interface IntVoid {
112 int ivMethod();
113 }
115 interface IntInt {
116 int iiMethod(int n);
117 }
118 }