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23 
24 /*
25  * @test
26  * @bug 8051768
27  * @summary Verify that javap prints "param" for RuntimeInvisibleParameterAnnotations
28  * @library /tools/lib
29  * @modules jdk.compiler/com.sun.tools.javac.api
30  *          jdk.compiler/com.sun.tools.javac.main
31  *          jdk.jdeps/com.sun.tools.javap
32  * @build toolbox.ToolBox toolbox.JavacTask toolbox.JavapTask toolbox.Assert
33  * @run main InvisibleParameterAnnotationsTest
34  */
35 
36 import toolbox.Assert;
37 import toolbox.JavacTask;
38 import toolbox.JavapTask;
39 import toolbox.Task;
40 import toolbox.ToolBox;
41 
42 import java.util.Collections;
43 import java.util.List;
44 
45 public class InvisibleParameterAnnotationsTest {
46 
47     private static final String TestSrc =
48             "import java.lang.annotation.Retention \n;" +
49             "import java.lang.annotation.RetentionPolicy \n;" +
50 
51             "public class Sample { \n" +
52 
53                 "@Retention(RetentionPolicy.CLASS) \n" +
54                 "public @interface InvisAnno{} \n" +
55                 "@Retention(RetentionPolicy.RUNTIME) \n" +
56                 "public @interface VisAnno{} \n" +
57 
58                 "public void Method(@InvisAnno int arg1,@VisAnno int arg2){};" +
59             "}";
60 
61     private static final String ExpectedSubstring =
62             "    RuntimeVisibleParameterAnnotations:\n" +
63             "      parameter 0:\n" +
64             "      parameter 1:\n" +
65             "        0: #16()\n" +
66             "          Sample$VisAnno\n" +
67             "    RuntimeInvisibleParameterAnnotations:\n" +
68             "      parameter 0:\n" +
69             "        0: #18()\n" +
70             "          Sample$InvisAnno\n" +
71             "      parameter 1:";
72 
main(String[] args)73     public static void main(String[] args) throws Exception {
74         ToolBox tb = new ToolBox();
75         new JavacTask(tb).sources(TestSrc).run();
76 
77         List<String> res = new JavapTask(tb)
78                 .options("-v")
79                 .classes("Sample.class")
80                 .run()
81                 .writeAll()
82                 .getOutputLines(Task.OutputKind.DIRECT);
83 
84         List<String> expectedList = tb.split(ExpectedSubstring, "\n");
85         Boolean found = Collections.indexOfSubList(res, expectedList) > -1;
86         Assert.check(found, "expected output not found: " + ExpectedSubstring);
87     }
88 }
89