@Test
public void shouldDuplicateResultOnStackWhenSimpleExpressionResultIsToBeDuplicatedOnStack() {
SimpleExpression simpleExpression = mock(SimpleExpression.class);
when(simpleExpression.isResultDuplicatedOnStack()).thenReturn(true);
when(simpleExpression.isResultLeftOnStack()).thenReturn(false);
analyser.visitEnd(simpleExpression);
verify(writer).pushDuplicate();
}
@Test
public void shouldPopResultFromStackWhenSimpleExpressionResultIsNotToBeLeftOnStack() {
SimpleExpression simpleExpression = mock(SimpleExpression.class);
when(simpleExpression.isResultLeftOnStack()).thenReturn(false);
when(simpleExpression.isResultDuplicatedOnStack()).thenReturn(false);
analyser.visitEnd(simpleExpression);
verify(writer).pop();
}
