package net.bytebuddy.implementation.bytecode;
import net.bytebuddy.description.type.TypeDescription;
import net.bytebuddy.implementation.Implementation;
import net.bytebuddy.test.utility.MockitoRule;
import net.bytebuddy.test.utility.ObjectPropertyAssertion;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TestRule;
import org.mockito.Mock;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.mockito.Mockito.*;
public class TypeCreationTest {
private static final String FOO = "foo";
@Rule
public TestRule mockitoRule = new MockitoRule(this);
@Mock
private TypeDescription typeDescription;
@Mock
private MethodVisitor methodVisitor;
@Mock
private Implementation.Context implementationContext;
@Before
public void setUp() throws Exception {
when(typeDescription.getInternalName()).thenReturn(FOO);
}
@Test
public void testTypeCreation() throws Exception {
StackManipulation stackManipulation = TypeCreation.of(typeDescription);
assertThat(stackManipulation.isValid(), is(true));
StackManipulation.Size size = stackManipulation.apply(methodVisitor, implementationContext);
assertThat(size.getSizeImpact(), is(1));
assertThat(size.getMaximalSize(), is(1));
verify(methodVisitor).visitTypeInsn(Opcodes.NEW, FOO);
verifyNoMoreInteractions(methodVisitor);
verifyZeroInteractions(implementationContext);
}
@Test(expected = IllegalArgumentException.class)
public void testTypeCreationArray() throws Exception {
when(typeDescription.isArray()).thenReturn(true);
TypeCreation.of(typeDescription);
}
@Test(expected = IllegalArgumentException.class)
public void testTypeCreationPrimitive() throws Exception {
when(typeDescription.isPrimitive()).thenReturn(true);
TypeCreation.of(typeDescription);
}
@Test(expected = IllegalArgumentException.class)
public void testTypeCreationAbstract() throws Exception {
when(typeDescription.isAbstract()).thenReturn(true);
TypeCreation.of(typeDescription);
}
@Test
public void testObjectProperties() throws Exception {
ObjectPropertyAssertion.of(TypeCreation.class).apply();
}
}