public void NotationConverter_converts_one_digit_to_RPN()
{
var notationConverter = new NotationConverter();
var inputValue = new List <ExpressionUnit>
{
new NumberExpressionUnit("2.00")
};
var result = notationConverter.ConvertToReversePolishNotation(inputValue, _mathOperationsContainer);
var expectedItem = new NumberExpressionUnit("2.00");
Assert.Collection(result, item => AssertExpressionUnit.Equal(expectedItem, item));
}
public void NotationConverter_converts_digit_with_unary_minus_to_RPN()
{
var notationConverter = new NotationConverter();
var inputValue = new List <ExpressionUnit>()
{
new OperationExpressionUnit("-", "~"),
new NumberExpressionUnit("8.00")
};
var result = notationConverter.ConvertToReversePolishNotation(inputValue, _mathOperationsContainer);
Assert.Collection(result,
item => AssertExpressionUnit.Equal(new NumberExpressionUnit("8.00"), item),
item => AssertExpressionUnit.Equal(new OperationExpressionUnit("-", "~"), item));
}
public void NotationConverter_throws_custom_exception_for_unsupported_operation()
{
var notationConverter = new NotationConverter();
var inputValue = new List <ExpressionUnit>()
{
new NumberExpressionUnit("3.00"),
new OperationExpressionUnit("&"),
new NumberExpressionUnit("2.00")
};
Action action = () => notationConverter.ConvertToReversePolishNotation(inputValue, _mathOperationsContainer);
var exception = Assert.Throws <ArgumentException>(action);
Assert.Equal("Invalid mathematical expression or unsupported operation.", exception.Message);
}
public void NotationConverter_converts_two_digit_and_operation_with_brackets_to_RPN()
{
var notationConverter = new NotationConverter();
var inputValue = new List <ExpressionUnit>()
{
new LeftBracketExpressionUnit(),
new NumberExpressionUnit("3.00"),
new OperationExpressionUnit("+"),
new NumberExpressionUnit("2.00"),
new RightBracketExpressionUnit()
};
var result = notationConverter.ConvertToReversePolishNotation(inputValue, _mathOperationsContainer);
Assert.Collection(result,
item => AssertExpressionUnit.Equal(new NumberExpressionUnit("3.00"), item),
item => AssertExpressionUnit.Equal(new NumberExpressionUnit("2.00"), item),
item => AssertExpressionUnit.Equal(new OperationExpressionUnit("+"), item));
}
public void NotationConverter_converts_higher_priority_unary_operation_and_lower_priority_binary_operation_to_RPN()
{
var notationConverter = new NotationConverter();
var inputValue = new List <ExpressionUnit>()
{
new OperationExpressionUnit("-", "~"),
new NumberExpressionUnit("8.00"),
new OperationExpressionUnit("+"),
new NumberExpressionUnit("2.00"),
};
var result = notationConverter.ConvertToReversePolishNotation(inputValue, _mathOperationsContainer);
Assert.Collection(result,
item => AssertExpressionUnit.Equal(new NumberExpressionUnit("8.00"), item),
item => AssertExpressionUnit.Equal(new OperationExpressionUnit("-", "~"), item),
item => AssertExpressionUnit.Equal(new NumberExpressionUnit("2.00"), item),
item => AssertExpressionUnit.Equal(new OperationExpressionUnit("+"), item));
}
public void NotationConverter_converts_expression_with_first_priority_operation_to_RPN()
{
var notationConverter = new NotationConverter();
var inputValue = new List <ExpressionUnit>()
{
new NumberExpressionUnit("4.00"),
new OperationExpressionUnit("+"),
new NumberExpressionUnit("2.00"),
new OperationExpressionUnit("*"),
new NumberExpressionUnit("3.00")
};
var result = notationConverter.ConvertToReversePolishNotation(inputValue, _mathOperationsContainer);
Assert.Collection(result,
item => AssertExpressionUnit.Equal(new NumberExpressionUnit("4.00"), item),
item => AssertExpressionUnit.Equal(new NumberExpressionUnit("2.00"), item),
item => AssertExpressionUnit.Equal(new NumberExpressionUnit("3.00"), item),
item => AssertExpressionUnit.Equal(new OperationExpressionUnit("*"), item),
item => AssertExpressionUnit.Equal(new OperationExpressionUnit("+"), item));
}