@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();
}
@Test
public void shouldCloseClassWhenVisitingProgramNodeEnds() {
analyser.visitEnd(mock(Program.class));
verify(writer).closeClass();
}
@Test
public void shouldPopStackWhenCascadeEnds() {
analyser.visitEnd(mock(Cascade.class));
verify(writer).pop();
}
@Test
public void shouldInvokePerformWhenVisitEndsOfKeywordMessageElementNode() {
KeywordMessageElement keywordMessageElement = mock(KeywordMessageElement.class);
analyser.visitEnd(keywordMessageElement, "at:put:", 2, 3);
verify(writer).invokeObjectPerform("at:put:", 2, false);
}
@Test
public void shouldInvokePerformWhenVisitEndsOfKeywordExpression() {
KeywordExpression keywordExpression = mock(KeywordExpression.class);
analyser.visitEnd(keywordExpression, "at:", 1, 3);
verify(writer).invokeObjectPerform("at:", 1, false);
}