Add unit test (#694)

src/test/java/io/github/classgraph/issues/issue696/Issue696.java

@@ -0,0 +1,48 @@
+package io.github.classgraph.issues.issue696;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+import org.junit.jupiter.api.Test;
+
+import io.github.classgraph.ClassGraph;
+import io.github.classgraph.ClassInfo;
+import io.github.classgraph.MethodParameterInfo;
+import io.github.classgraph.ScanResult;
+import io.github.classgraph.issues.issue696.Issue696.BrokenAnnotation.Dynamic;
+
+public class Issue696 {
+    @Target(ElementType.PARAMETER)
+    @Retention(RetentionPolicy.RUNTIME)
+    public static @interface Foo {
+    }
+
+    @Target(ElementType.PARAMETER)
+    @Retention(RetentionPolicy.RUNTIME)
+    public static @interface Bar {
+    }
+
+    public static class BrokenAnnotation {
+        public class Dynamic {
+            public Dynamic(@Foo String param1, @Bar String param2) {
+            }
+        }
+    }
+
+    @Test
+    void genericSuperclass() {
+        final ScanResult scanResult = new ClassGraph().acceptPackages(Issue696.class.getPackage().getName())
+                .enableMethodInfo().enableAnnotationInfo().scan();
+        final ClassInfo dynamic = scanResult.getClassInfo(Dynamic.class.getName());
+        final MethodParameterInfo[] paramInfo = dynamic.getConstructorInfo().get(0).getParameterInfo();
+        // Inner classes have an initial "mandated" param
+        assertThat(paramInfo.length).isEqualTo(3);
+        assertThat(paramInfo[0].getAnnotationInfo()).isEmpty();
+        assertThat(paramInfo[1].getAnnotationInfo().get(0).getName()).isEqualTo(Foo.class.getName());
+        assertThat(paramInfo[2].getAnnotationInfo().get(0).getName()).isEqualTo(Bar.class.getName());
+    }
+}