package net.bytebuddy.description.type;
import net.bytebuddy.matcher.ElementMatchers;
import net.bytebuddy.test.utility.ObjectPropertyAssertion;
import org.junit.Test;
import org.mockito.Mockito;
import java.util.List;
import static net.bytebuddy.matcher.ElementMatchers.named;
import static org.hamcrest.CoreMatchers.*;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.mockito.Mockito.when;
public class TypeDescriptionGenericVisitorSubstitutorForAttachmentTest {
private static final String FOO = "foo";
@Test
public void testAttachment() throws Exception {
TypeDescription.Generic original = TypeDefinition.Sort.describe(Foo.Inner.class.getDeclaredField(FOO).getGenericType());
TypeDescription.Generic detached = original.accept(new TypeDescription.Generic.Visitor.Substitutor.ForDetachment(ElementMatchers.is(Foo.Inner.class)));
TypeDescription target = new TypeDescription.ForLoadedType(Bar.class);
TypeDescription.Generic attached = detached.accept(new TypeDescription.Generic.Visitor.Substitutor.ForAttachment(target.asGenericType(), target));
assertThat(attached.getSort(), is(TypeDefinition.Sort.PARAMETERIZED));
assertThat(attached.asErasure(), sameInstance(target));
assertThat(attached.getTypeArguments().size(), is(4));
assertThat(attached.getTypeArguments().get(0).getSort(), is(TypeDefinition.Sort.VARIABLE));
assertThat(attached.getTypeArguments().get(0).getSymbol(), is("T"));
assertThat(attached.getTypeArguments().get(0), is(target.getTypeVariables().filter(named("T")).getOnly()));
assertThat(attached.getTypeArguments().get(1).getSort(), is(TypeDefinition.Sort.NON_GENERIC));
assertThat(attached.getTypeArguments().get(1).asErasure().represents(String.class), is(true));
assertThat(attached.getTypeArguments().get(2).getSort(), is(TypeDefinition.Sort.VARIABLE));
assertThat(attached.getTypeArguments().get(2).getSymbol(), is("U"));
assertThat(attached.getTypeArguments().get(2), is(target.getTypeVariables().filter(named("U")).getOnly()));
assertThat(attached.getTypeArguments().get(3).getSort(), is(TypeDefinition.Sort.PARAMETERIZED));
assertThat(attached.getTypeArguments().get(3).asErasure().represents(List.class), is(true));
assertThat(attached.getTypeArguments().get(3).getTypeArguments().size(), is(1));
assertThat(attached.getTypeArguments().get(3).getTypeArguments().getOnly(), is(target.getTypeVariables().filter(named("S")).getOnly()));
assertThat(attached.getOwnerType(), notNullValue(TypeDescription.Generic.class));
assertThat(attached.getOwnerType().getSort(), is(TypeDefinition.Sort.PARAMETERIZED));
assertThat(attached.getOwnerType().getTypeArguments().size(), is(1));
assertThat(attached.getOwnerType().getTypeArguments().getOnly().getSort(), is(TypeDefinition.Sort.VARIABLE));
assertThat(attached.getOwnerType().getTypeArguments().getOnly().getSymbol(), is("T"));
assertThat(attached.getOwnerType().getTypeArguments().getOnly(), is(target.getTypeVariables().filter(named("T")).getOnly()));
}
@Test(expected = IllegalArgumentException.class)
public void testIllegalAttachment() throws Exception {
TypeDescription.Generic original = TypeDefinition.Sort.describe(Foo.Inner.class.getDeclaredField(FOO).getGenericType());
TypeDescription.Generic detached = original.accept(new TypeDescription.Generic.Visitor.Substitutor.ForDetachment(ElementMatchers.is(Foo.Inner.class)));
detached.accept(new TypeDescription.Generic.Visitor.Substitutor.ForAttachment(TypeDescription.Generic.OBJECT, TypeDescription.OBJECT));
}
@Test
public void testObjectProperties() throws Exception {
ObjectPropertyAssertion.of(TypeDescription.Generic.Visitor.Substitutor.ForAttachment.class)
.refine(new ObjectPropertyAssertion.Refinement<TypeDefinition>() {
@Override
public void apply(TypeDefinition mock) {
when(mock.asErasure()).thenReturn(Mockito.mock(TypeDescription.class));
}
}).apply();
}
@SuppressWarnings("unused")
public static class Foo<O> {
public abstract class Inner<T, S extends CharSequence, U extends T, V> {
Foo<T>.Inner<T, String, U, List<S>> foo;
}
}
@SuppressWarnings("unused")
public abstract static class Bar<U, T, S, V extends Number> {
/* empty */
}
}