Fixes mockito#3229: Resolve test generic arguments

src/main/java/org/mockito/internal/util/reflection/GenericMaster.java

@@ -27,7 +27,7 @@ public Class<?> getGenericType(Field field) {
      * @param parameter the parameter to inspect
      */
     public Class<?> getGenericType(Parameter parameter) {
-        return getaClass(parameter.getType());
+        return getaClass(parameter.getParameterizedType());
     }
 
     private Class<?> getaClass(Type generic) {

subprojects/junit-jupiter/src/test/java/org/mockitousage/annotation/CaptorAnnotationWithPrimitiveTest.java

@@ -0,0 +1,52 @@
+package org.mockitousage.annotation;
+
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Captor;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.mockito.Mockito.doNothing;
+
+@ExtendWith(MockitoExtension.class)
+public class CaptorAnnotationWithPrimitiveTest {
+    @Mock
+    private Foo foo;
+
+    private AutoCloseable closeable;
+
+    static class Foo {
+        void doSomething(int value) {
+        }
+    }
+
+    @BeforeEach
+    void setUp() {
+        closeable = MockitoAnnotations.openMocks(this);
+    }
+
+    @AfterEach
+    void tearDown() throws Exception {
+        if (closeable != null) {
+            closeable.close();
+        }
+    }
+
+    @Test
+    public void shouldCaptorPrimitive(@Captor ArgumentCaptor<Integer> captor) {
+        // Given
+        int value = 1;
+
+        // When
+        doNothing().when(foo).doSomething(captor.capture());
+
+        // Then
+        foo.doSomething(value);
+        assertEquals(1, captor.getValue());
+    }
+}