package net.bytebuddy.implementation.bytecode.assign.primitive;
import net.bytebuddy.description.type.TypeDescription;
import net.bytebuddy.implementation.Implementation;
import net.bytebuddy.implementation.bytecode.StackManipulation;
import net.bytebuddy.implementation.bytecode.assign.Assigner;
import net.bytebuddy.test.utility.MockitoRule;
import net.bytebuddy.test.utility.ObjectPropertyAssertion;
import org.junit.After;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TestRule;
import org.mockito.Mock;
import org.objectweb.asm.MethodVisitor;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.mockito.Mockito.*;
public class VoidAwareAssignerTest {
@Rule
public TestRule mockitoRule = new MockitoRule(this);
@Mock
private TypeDescription.Generic sourceTypeDescription, targetTypeDescription;
@Mock
private Assigner chainedAssigner;
@Mock
private MethodVisitor methodVisitor;
@Mock
private Implementation.Context implementationContext;
@After
public void tearDown() throws Exception {
verifyZeroInteractions(implementationContext);
verifyZeroInteractions(methodVisitor);
}
@Test
public void testAssignVoidToVoid() throws Exception {
when(sourceTypeDescription.represents(void.class)).thenReturn(true);
when(targetTypeDescription.represents(void.class)).thenReturn(true);
Assigner voidAwareAssigner = new VoidAwareAssigner(chainedAssigner);
StackManipulation stackManipulation = voidAwareAssigner.assign(sourceTypeDescription, targetTypeDescription, Assigner.Typing.STATIC);
assertThat(stackManipulation.isValid(), is(true));
StackManipulation.Size size = stackManipulation.apply(methodVisitor, implementationContext);
assertThat(size.getSizeImpact(), is(0));
assertThat(size.getMaximalSize(), is(0));
verifyZeroInteractions(chainedAssigner);
}
@Test
public void testAssignNonVoidToNonVoid() throws Exception {
Assigner voidAwareAssigner = new VoidAwareAssigner(chainedAssigner);
StackManipulation chainedStackManipulation = mock(StackManipulation.class);
when(chainedAssigner.assign(sourceTypeDescription, targetTypeDescription, Assigner.Typing.STATIC)).thenReturn(chainedStackManipulation);
StackManipulation stackManipulation = voidAwareAssigner.assign(sourceTypeDescription, targetTypeDescription, Assigner.Typing.STATIC);
assertThat(stackManipulation, is(chainedStackManipulation));
verify(chainedAssigner).assign(sourceTypeDescription, targetTypeDescription, Assigner.Typing.STATIC);
verifyNoMoreInteractions(chainedAssigner);
}
@Test
public void testObjectProperties() throws Exception {
ObjectPropertyAssertion.of(VoidAwareAssigner.class).apply();
}
@Test
public void testValueRemoval() throws Exception {
}
}