package net.bytebuddy.implementation.bytecode;
import net.bytebuddy.description.method.MethodDescription;
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 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 ByteCodeAppenderCompoundTest {
private static final int MINIMUM = 3, MAXIMUM = 5;
@Rule
public TestRule mockitoRule = new MockitoRule(this);
@Mock
private ByteCodeAppender first, second;
@Mock
private MethodDescription methodDescription;
@Mock
private MethodVisitor methodVisitor;
@Mock
private Implementation.Context implementationContext;
private ByteCodeAppender compound;
@Before
public void setUp() throws Exception {
compound = new ByteCodeAppender.Compound(first, second);
}
@Test
public void testApplication() throws Exception {
when(first.apply(methodVisitor, implementationContext, methodDescription)).thenReturn(new ByteCodeAppender.Size(MINIMUM, MAXIMUM));
when(second.apply(methodVisitor, implementationContext, methodDescription)).thenReturn(new ByteCodeAppender.Size(MAXIMUM, MINIMUM));
ByteCodeAppender.Size size = compound.apply(methodVisitor, implementationContext, methodDescription);
assertThat(size.getLocalVariableSize(), is(MAXIMUM));
assertThat(size.getOperandStackSize(), is(MAXIMUM));
verifyZeroInteractions(methodVisitor);
verifyZeroInteractions(implementationContext);
}
@Test
public void testObjectProperties() throws Exception {
ObjectPropertyAssertion.of(ByteCodeAppender.Compound.class).create(new ObjectPropertyAssertion.Creator<List<?>>() {
@Override
public List<?> create() {
return Collections.singletonList(mock(ByteCodeAppender.class));
}
}).apply();
}
}