[#2407] Added test

Author: remkop

picocli-codegen-tests-java9plus/src/test/java/picocli/annotation/processing/tests/Issue2407Test.java

@@ -0,0 +1,26 @@
+package picocli.annotation.processing.tests;
+
+import com.google.testing.compile.Compilation;
+import com.google.testing.compile.JavaFileObjects;
+import org.junit.Test;
+
+import javax.annotation.processing.Processor;
+
+import static com.google.testing.compile.CompilationSubject.assertThat;
+import static com.google.testing.compile.Compiler.javac;
+
+public class Issue2407Test
+{
+    //@Ignore("https://github.com/remkop/picocli/issues/2407")
+    @Test
+    public void testIssue2407() {
+        Processor processor = new AnnotatedCommandSourceGeneratorProcessor();
+        Compilation compilation =
+            javac()
+                .withProcessors(processor)
+                .compile(JavaFileObjects.forResource(
+                    "picocli/issue2407/Main.java"));
+
+        assertThat(compilation).succeeded();
+    }
+}

picocli-codegen-tests-java9plus/src/test/resources/picocli/issue2407/Main.java

@@ -0,0 +1,28 @@
+package picocli.issue2407;
+
+import picocli.CommandLine.ArgGroup;
+import picocli.CommandLine.Command;
+import picocli.CommandLine.Option;
+
+@Command(name = "top", subcommands = {Main.Edit.class, Main.Update.class})
+static class Main {
+
+    static class UsernameAndPassword {
+        @Option(names = "--user", required = false)
+        String username;
+        @Option(names = "--pwd", required = false)
+        String password;
+    }
+
+    @Command(name = "edit")
+    static class Update {
+        @ArgGroup
+        UsernameAndPassword usernamePassword;
+    }
+
+    @Command(name = "update")
+    static class Edit {
+        @ArgGroup
+        UsernameAndPassword usernamePassword;
+    }
+}