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.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.verifyZeroInteractions;
public class StackManipulationTest {
@Rule
public TestRule mockitoRule = new MockitoRule(this);
@Mock
private MethodVisitor methodVisitor;
@Mock
private Implementation.Context implementationContext;
@After
public void tearDown() throws Exception {
verifyZeroInteractions(methodVisitor);
verifyZeroInteractions(implementationContext);
}
@Test
public void testLegalIsValid() throws Exception {
assertThat(StackManipulation.Trivial.INSTANCE.isValid(), is(true));
}
@Test
public void testIllegalIsNotValid() throws Exception {
assertThat(StackManipulation.Illegal.INSTANCE.isValid(), is(false));
}
@Test
public void testLegalIsApplicable() throws Exception {
StackManipulation.Size size = StackManipulation.Trivial.INSTANCE.apply(methodVisitor, implementationContext);
assertThat(size.getSizeImpact(), is(0));
assertThat(size.getMaximalSize(), is(0));
}
@Test(expected = IllegalStateException.class)
public void testIllegalIsNotApplicable() throws Exception {
StackManipulation.Illegal.INSTANCE.apply(methodVisitor, implementationContext);
}
@Test
public void testObjectProperties() throws Exception {
ObjectPropertyAssertion.of(StackManipulation.Trivial.class).apply();
ObjectPropertyAssertion.of(StackManipulation.Illegal.class).apply();
}
}