package net.bytebuddy.implementation.bytecode.constant;
import net.bytebuddy.implementation.Implementation;
import net.bytebuddy.implementation.bytecode.StackManipulation;
import net.bytebuddy.test.utility.MockitoRule;
import net.bytebuddy.test.utility.ObjectPropertyAssertion;
import net.bytebuddy.utility.JavaConstant;
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 JavaConstantValueTest {
private static final String FOO = "foo";
@Rule
public TestRule mockitoRule = new MockitoRule(this);
@Mock
private JavaConstant javaConstant;
@Mock
private MethodVisitor methodVisitor;
@Mock
private Implementation.Context implementationContext;
@Test
public void testMethodHandle() throws Exception {
when(javaConstant.asConstantPoolValue()).thenReturn(FOO);
StackManipulation stackManipulation = new JavaConstantValue(javaConstant);
StackManipulation.Size size = stackManipulation.apply(methodVisitor, implementationContext);
assertThat(size.getSizeImpact(), is(1));
assertThat(size.getMaximalSize(), is(1));
verify(javaConstant).asConstantPoolValue();
verifyNoMoreInteractions(javaConstant);
verify(methodVisitor).visitLdcInsn(FOO);
verifyNoMoreInteractions(methodVisitor);
verifyZeroInteractions(implementationContext);
}
@Test
public void testObjectProperties() throws Exception {
ObjectPropertyAssertion.of(JavaConstantValue.class).apply();
}
}