Examples with StackManipulation net.bytebuddy.implementation.bytecode.StackManipulation used on opensource projects

Example 71 with StackManipulation

use of net.bytebuddy.implementation.bytecode.StackManipulation in project byte-buddy by raphw.

the class ReferenceTypeAwareAssignerTest method testPrimitiveAssignabilityWhenNotEqual.

@Test(expected = IllegalStateException.class)
public void testPrimitiveAssignabilityWhenNotEqual() throws Exception {
    // Note: cannot mock equals
    TypeDescription.Generic primitiveType = new TypeDescription.Generic.OfNonGenericType.ForLoadedType(int.class);
    // Note: cannot mock equals
    TypeDescription.Generic otherPrimitiveType = new TypeDescription.Generic.OfNonGenericType.ForLoadedType(long.class);
    StackManipulation stackManipulation = ReferenceTypeAwareAssigner.INSTANCE.assign(primitiveType, otherPrimitiveType, Assigner.Typing.DYNAMIC);
    assertThat(stackManipulation.isValid(), is(false));
    stackManipulation.apply(methodVisitor, implementationContext);
}

Example 72 with StackManipulation

use of net.bytebuddy.implementation.bytecode.StackManipulation in project byte-buddy by raphw.

the class ClassConstantPrimitiveTest method testClassConstant.

@Test
public void testClassConstant() throws Exception {
    StackManipulation stackManipulation = ClassConstant.of(primitiveType);
    assertThat(stackManipulation.isValid(), is(true));
    StackManipulation.Size size = stackManipulation.apply(methodVisitor, implementationContext);
    assertThat(size.getSizeImpact(), is(1));
    assertThat(size.getMaximalSize(), is(1));
    verify(methodVisitor).visitFieldInsn(Opcodes.GETSTATIC, wrapperType.getInternalName(), "TYPE", "Ljava/lang/Class;");
    verifyNoMoreInteractions(methodVisitor);
    verifyZeroInteractions(implementationContext);
}

Example 73 with StackManipulation

use of net.bytebuddy.implementation.bytecode.StackManipulation in project byte-buddy by raphw.

the class ClassConstantReferenceTest method testClassConstantModernVisible.

@Test
public void testClassConstantModernVisible() throws Exception {
    when(typeDescription.isVisibleTo(instrumentedType)).thenReturn(true);
    when(classFileVersion.isAtLeast(ClassFileVersion.JAVA_V5)).thenReturn(true);
    when(typeDescription.getDescriptor()).thenReturn(FOO);
    StackManipulation stackManipulation = ClassConstant.of(typeDescription);
    assertThat(stackManipulation.isValid(), is(true));
    StackManipulation.Size size = stackManipulation.apply(methodVisitor, implementationContext);
    assertThat(size.getSizeImpact(), is(1));
    assertThat(size.getMaximalSize(), is(1));
    verify(typeDescription).getDescriptor();
    verify(typeDescription).isVisibleTo(instrumentedType);
    verify(typeDescription, times(9)).represents(any(Class.class));
    verifyNoMoreInteractions(typeDescription);
    verify(methodVisitor).visitLdcInsn(Type.getType(FOO));
    verifyNoMoreInteractions(methodVisitor);
}

Example 74 with StackManipulation

use of net.bytebuddy.implementation.bytecode.StackManipulation in project byte-buddy by raphw.

the class ClassConstantReferenceTest method testClassConstantModernInvisible.

@Test
public void testClassConstantModernInvisible() throws Exception {
    when(typeDescription.isVisibleTo(instrumentedType)).thenReturn(false);
    when(classFileVersion.isAtLeast(ClassFileVersion.JAVA_V5)).thenReturn(true);
    when(typeDescription.getName()).thenReturn(FOO);
    StackManipulation stackManipulation = ClassConstant.of(typeDescription);
    assertThat(stackManipulation.isValid(), is(true));
    StackManipulation.Size size = stackManipulation.apply(methodVisitor, implementationContext);
    assertThat(size.getSizeImpact(), is(1));
    assertThat(size.getMaximalSize(), is(1));
    verify(typeDescription).getName();
    verify(typeDescription).isVisibleTo(instrumentedType);
    verify(typeDescription, times(9)).represents(any(Class.class));
    verifyNoMoreInteractions(typeDescription);
    verify(methodVisitor).visitLdcInsn(FOO);
    verify(methodVisitor).visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(Class.class), "forName", Type.getMethodDescriptor(Type.getType(Class.class), Type.getType(String.class)), false);
    verifyNoMoreInteractions(methodVisitor);
}

Example 75 with StackManipulation

use of net.bytebuddy.implementation.bytecode.StackManipulation in project byte-buddy by raphw.

the class FieldConstantTest method testConstantCreationModernVisible.

@Test
public void testConstantCreationModernVisible() throws Exception {
    when(classFileVersion.isAtLeast(ClassFileVersion.JAVA_V5)).thenReturn(true);
    when(declaringType.isVisibleTo(instrumentedType)).thenReturn(true);
    StackManipulation stackManipulation = new FieldConstant(fieldDescription);
    assertThat(stackManipulation.isValid(), is(true));
    StackManipulation.Size size = stackManipulation.apply(methodVisitor, implementationContext);
    assertThat(size.getSizeImpact(), is(1));
    assertThat(size.getMaximalSize(), is(2));
    verify(methodVisitor).visitLdcInsn(Type.getObjectType(QUX));
    verify(methodVisitor).visitLdcInsn(BAR);
    verify(methodVisitor).visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Class", "getDeclaredField", "(Ljava/lang/String;)Ljava/lang/reflect/Field;", false);
    verifyNoMoreInteractions(methodVisitor);
}