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

Example 56 with StackManipulation

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

the class MethodVariableAccessOtherTest method testIncrement.

@Test
public void testIncrement() throws Exception {
    StackManipulation stackManipulation = MethodVariableAccess.INTEGER.increment(4, 1);
    assertThat(stackManipulation.isValid(), is(true));
    MethodVisitor methodVisitor = mock(MethodVisitor.class);
    Implementation.Context implementationContext = mock(Implementation.Context.class);
    StackManipulation.Size size = stackManipulation.apply(methodVisitor, implementationContext);
    assertThat(size.getSizeImpact(), is(0));
    assertThat(size.getMaximalSize(), is(0));
    verify(methodVisitor).visitIincInsn(4, 1);
    verifyNoMoreInteractions(methodVisitor);
    verifyZeroInteractions(implementationContext);
}

Example 57 with StackManipulation

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

the class MethodVariableAccessTest method testStoring.

@Test
public void testStoring() throws Exception {
    StackManipulation stackManipulation = MethodVariableAccess.of(typeDefinition).storeAt(4);
    assertThat(stackManipulation.isValid(), is(true));
    StackManipulation.Size size = stackManipulation.apply(methodVisitor, implementationContext);
    assertThat(size.getSizeImpact(), is(this.size));
    assertThat(size.getMaximalSize(), is(this.size));
    verify(methodVisitor).visitVarInsn(writeCode, 4);
    verifyNoMoreInteractions(methodVisitor);
}

Example 58 with StackManipulation

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

the class MethodVariableAccessTest method testLoading.

@Test
public void testLoading() throws Exception {
    StackManipulation stackManipulation = MethodVariableAccess.of(typeDefinition).loadFrom(4);
    assertThat(stackManipulation.isValid(), is(true));
    StackManipulation.Size size = stackManipulation.apply(methodVisitor, implementationContext);
    assertThat(size.getSizeImpact(), is(this.size));
    assertThat(size.getMaximalSize(), is(this.size));
    verify(methodVisitor).visitVarInsn(readCode, 4);
    verifyNoMoreInteractions(methodVisitor);
}

Example 59 with StackManipulation

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

the class PrimitiveUnboxingDelegateDirectTest method testTrivialBoxing.

@Test
public void testTrivialBoxing() throws Exception {
    StackManipulation stackManipulation = PrimitiveUnboxingDelegate.forReferenceType(wrapperTypeDescription).assignUnboxedTo(primitiveTypeDescription, chainedAssigner, Assigner.Typing.STATIC);
    assertThat(stackManipulation.isValid(), is(true));
    StackManipulation.Size size = stackManipulation.apply(methodVisitor, implementationContext);
    assertThat(size.getSizeImpact(), is(sizeChange));
    assertThat(size.getMaximalSize(), is(sizeChange));
    verify(methodVisitor).visitMethodInsn(Opcodes.INVOKEVIRTUAL, Type.getInternalName(wrapperType), unboxingMethodName, unboxingMethodDescriptor, false);
    verifyNoMoreInteractions(methodVisitor);
    verifyZeroInteractions(chainedAssigner);
    verifyZeroInteractions(this.stackManipulation);
}

Example 60 with StackManipulation

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

the class PrimitiveUnboxingDelegateWideningTest method testTrivialBoxing.

@Test
public void testTrivialBoxing() throws Exception {
    StackManipulation stackManipulation = PrimitiveUnboxingDelegate.forReferenceType(referenceTypeDescription).assignUnboxedTo(primitiveTypeDescription, chainedAssigner, Assigner.Typing.STATIC);
    assertThat(stackManipulation.isValid(), is(true));
    StackManipulation.Size size = stackManipulation.apply(methodVisitor, implementationContext);
    assertThat(size.getSizeImpact(), is(sizeChange));
    assertThat(size.getMaximalSize(), is(interimMaximum));
    verify(methodVisitor).visitMethodInsn(Opcodes.INVOKEVIRTUAL, Type.getInternalName(referenceType), unboxingMethodName, unboxingMethodDescriptor, false);
    verify(methodVisitor).visitInsn(wideningOpcode);
    verifyNoMoreInteractions(methodVisitor);
}