public static ExpressionStructureDto EvaluateExpression(string expressionValue)
{
ExpressionStructure structure = new ExpressionStructure(new PrefixExpression(expressionValue));
structure.BuildExpressionTree();
structure.BuildTruthTable();
return(new ExpressionStructureDto(structure));
}
public void BuildTruthTable_Should_Create_TruthTable_From_ExpressionTree()
{
ExpressionStructure structure = new ExpressionStructure(_mockPrefixExpression.Object);
structure.BuildExpressionTree();
structure.BuildTruthTable();
structure.TruthTable.Should().NotBeNull();
}
public void BuildExpressionTree_Should_Invoke_BuildingOfExpressionTree_On_Prefix_Expression(string prefixExpressionValue)
{
var mockTree = new Mock <IBinaryExpressionTree>();
_mockPrefixExpression.Setup(p => p.BuildExpressionTree()).Returns(mockTree.Object);
ExpressionStructure structure = new ExpressionStructure(_mockPrefixExpression.Object);
structure.BuildExpressionTree();
_mockPrefixExpression.Verify(p => p.BuildExpressionTree());
structure.ExpressionTree.Should().BeEquivalentTo(mockTree.Object);
}
public ExpressionStructureDto(ExpressionStructure structure)
{
this.TruthTable = structure.TruthTable.Value;
this.SimplifiedTruthTable = new SimplifiedTruthTableValues
{
Values = structure.TruthTable.Simplify(),
DontCareCharacter = QuineMcCluskey.DONT_CARE
};
this.HexResult = structure.TruthTable.HexResult;
this.Nodes = structure.ExpressionTree.GetNodes();
this.Edges = structure.ExpressionTree.GetEdges();
this.Leafs = System.String.Join(",", structure.ExpressionTree.GetLeafs());
this.DNF = structure.TruthTable.NormalizeOriginal().Value;
this.SimplifiedDNF = structure.TruthTable.NormalizeSimplified().Value;
this.InfixNotation = structure.ToString();
this.Nandify = structure.PrefixExpression.NandifyExpression();
}
public void BuildTruthTable_Should_Throw_NullReferenceException_When_The_ExpressionTree_Is_Null()
{
ExpressionStructure structure = new ExpressionStructure(_mockPrefixExpression.Object);
Assert.Throws <NullReferenceException>(() => structure.BuildTruthTable());
}
public void ToString_Should_Return_InfixNotation_From_PrefixExpression()
{
ExpressionStructure structure = new ExpressionStructure(_mockPrefixExpression.Object);
structure.ToString().Should().BeEquivalentTo(VALID_INFIX);
}
public void Should_Create_ExpressionStructure_With_Passed_Valid_Prefix_Expression()
{
ExpressionStructure structure = new ExpressionStructure(_mockPrefixExpression.Object);
structure.PrefixExpression.Value.Should().BeEquivalentTo(VALID_PREFIX);
}
