package net.bytebuddy.implementation.bytecode;
import net.bytebuddy.implementation.Implementation;
import net.bytebuddy.test.utility.MockitoRule;
import net.bytebuddy.test.utility.ObjectPropertyAssertion;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TestRule;
import org.mockito.Mock;
import org.objectweb.asm.MethodVisitor;
import java.util.Collections;
import java.util.List;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.mockito.Mockito.*;
public class StackManipulationCompoundTest {
@Rule
public TestRule mockitoRule = new MockitoRule(this);
@Mock
private StackManipulation first, second;
@Test
public void testIsValid() throws Exception {
when(first.isValid()).thenReturn(true);
when(second.isValid()).thenReturn(true);
assertThat(new StackManipulation.Compound(first, second).isValid(), is(true));
verify(first).isValid();
verifyNoMoreInteractions(first);
verify(second).isValid();
verifyNoMoreInteractions(second);
}
@Test
public void testIsInvalid() throws Exception {
when(first.isValid()).thenReturn(true);
when(second.isValid()).thenReturn(false);
assertThat(new StackManipulation.Compound(first, second).isValid(), is(false));
verify(first).isValid();
verifyNoMoreInteractions(first);
verify(second).isValid();
verifyNoMoreInteractions(second);
}
@Test
public void testApplication() throws Exception {
MethodVisitor methodVisitor = mock(MethodVisitor.class);
Implementation.Context implementationContext = mock(Implementation.Context.class);
when(first.apply(methodVisitor, implementationContext)).thenReturn(new StackManipulation.Size(2, 3));
when(second.apply(methodVisitor, implementationContext)).thenReturn(new StackManipulation.Size(2, 3));
StackManipulation.Size size = new StackManipulation.Compound(first, second).apply(methodVisitor, implementationContext);
assertThat(size.getSizeImpact(), is(4));
assertThat(size.getMaximalSize(), is(5));
verify(first).apply(methodVisitor, implementationContext);
verifyNoMoreInteractions(first);
verify(second).apply(methodVisitor, implementationContext);
verifyNoMoreInteractions(second);
verifyZeroInteractions(methodVisitor);
verifyZeroInteractions(implementationContext);
}
@Test
public void testObjectProperties() throws Exception {
ObjectPropertyAssertion.of(StackManipulation.Compound.class).create(new ObjectPropertyAssertion.Creator<List<?>>() {
@Override
public List<?> create() {
return Collections.singletonList(mock(StackManipulation.class));
}
}).apply();
}
}