public Token(Type type, String value, StreamLocation location)
: this()
{
TokenType = type;
Value = value;
Location = location;
}
/// <summary>
/// Copy constructor
/// </summary>
/// <param name="that">Source instance</param>
public StreamLocation(StreamLocation that)
: this()
{
Offset = that.Offset;
Line = that.Line;
Column = that.Column;
}
public void AdvanceTest_FromStart()
{
StreamLocation expected = new StreamLocation(1, 1, 2);
StreamLocationTracker sut = new StreamLocationTracker();
sut.Advance();
Assert.AreEqual(expected, sut.Location);
}
public void AdvanceTest_WithNewLineTrue()
{
StreamLocation startState = new StreamLocation(7, 5, 3);
StreamLocation expected = new StreamLocation(8, 6, 1);
StreamLocationTracker sut = new StreamLocationTracker(startState);
sut.Advance(true);
Assert.AreEqual(expected, sut.Location);
}
public void AdvanceTest_FromArbitraryState()
{
StreamLocation startState = new StreamLocation(7, 5, 3);
StreamLocation expected = new StreamLocation(8, 5, 4);
StreamLocationTracker sut = new StreamLocationTracker(startState);
sut.Advance();
Assert.AreEqual(expected, sut.Location);
}
public void CharacterStreamConstructorTest_StringReader()
{
StringReader testInput = new StringReader("Test");
StreamLocation expectedLocation = new StreamLocation(0, 1, 1);
CharacterScanner sut = new CharacterScanner(testInput);
Assert.AreEqual(false, sut.IsEOF(), "Should not be at EOF");
Assert.AreEqual(true, sut.HasNext(), "Should have next");
Assert.AreEqual(expectedLocation, sut.Location);
Assert.AreEqual('T', sut.Peek());
}
public void ConjunctionNodeTest_OR()
{
StreamLocation expectedLocation = new StreamLocation(3, 2, 1);
Expression expectedLeft = Expression.Constant(false);
Expression expectedRight = Expression.Constant(true);
ConjunctionNode sut = new ConjunctionNode(ConjunctionNode.Conjunction.OR, new TestNode(expectedLeft), new TestNode(expectedRight), expectedLocation);
Assert.AreEqual(TNode.CONJUNCTION, sut.NodeType);
Assert.AreEqual(expectedLocation, sut.Location);
Assert.IsTrue(sut.Description.Contains("OR"));
Assert.IsInstanceOfType(sut.SubExpression, typeof(BinaryExpression));
Assert.AreEqual(ExpressionType.Or, sut.SubExpression.NodeType);
Assert.AreEqual(typeof(bool), sut.SubExpression.Type);
Assert.AreEqual(expectedLeft, ((BinaryExpression)sut.SubExpression).Left);
Assert.AreEqual(expectedRight, ((BinaryExpression)sut.SubExpression).Right);
}
public void DateNodeTest()
{
StreamLocation expectedLocation = new StreamLocation(3, 2, 1);
DateTime testDate = new DateTime(2013, 10, 3);
DateNode sut = new DateNode(testDate.Year.ToString(), testDate.Month.ToString(), testDate.Day.ToString(), expectedLocation);
Assert.AreEqual(TNode.DATE, sut.NodeType);
Assert.AreEqual(expectedLocation, sut.Location);
Assert.IsTrue(sut.Description.Contains("DATE"));
Assert.AreEqual(FieldValueType.DATE, sut.ValueType);
Assert.AreEqual(ExpressionType.Constant, sut.SubExpression.NodeType);
Assert.IsInstanceOfType(sut.SubExpression, typeof(ConstantExpression));
Assert.AreEqual(typeof(DateTime?), ((ConstantExpression)sut.SubExpression).Type);
Assert.AreEqual(testDate, ((ConstantExpression)sut.SubExpression).Value);
}
public void IdentifierNodeTest()
{
StreamLocation expectedLocation = new StreamLocation(3, 2, 1);
Field<string> retriever = new IntegerField<string>(s => int.Parse(s));
ParameterExpression arg = Expression.Parameter(typeof(string), "arg");
ValueNode sut = new IdentifierNode<string>("identifier", retriever, arg, expectedLocation);
Assert.AreEqual(TNode.IDENTIFIER, sut.NodeType);
Assert.AreEqual(expectedLocation, sut.Location);
Assert.IsTrue(sut.Description.Contains("IDENTIFIER"));
Assert.AreEqual(FieldValueType.INTEGER, sut.ValueType);
Assert.IsInstanceOfType(sut.SubExpression, typeof(UnaryExpression));
Assert.AreEqual(ExpressionType.Convert, sut.SubExpression.NodeType);
Assert.AreEqual(typeof(long?), sut.SubExpression.Type);
{
Expression invokeExpr = ((UnaryExpression)sut.SubExpression).Operand;
Assert.IsInstanceOfType(invokeExpr, typeof(InvocationExpression));
Assert.AreEqual(ExpressionType.Invoke, invokeExpr.NodeType);
Assert.AreEqual(arg, ((InvocationExpression)invokeExpr).Arguments[0]);
}
}
public Token(Type type, StreamLocation location)
: this(type, null, location)
{
}
public void RangeNodeTest_CoercedTypes()
{
StreamLocation expectedLocation = new StreamLocation(3, 2, 1);
SimpleValueNode testLowBound = new NumberNode("1", new StreamLocation());
SimpleValueNode testUpperBound = new NumberNode("10.", new StreamLocation());
bool testInclusiveLeft = false;
bool testInclusiveRight = true;
RangeNode sut = new RangeNode(testLowBound, testInclusiveLeft, testUpperBound, testInclusiveRight, expectedLocation);
Assert.AreEqual(TNode.RANGE, sut.NodeType);
Assert.AreEqual(expectedLocation, sut.Location);
Assert.IsTrue(sut.Description.Contains("RANGE"));
Assert.AreEqual(FieldValueType.FLOAT, sut.ValueType);
Assert.IsNull(sut.SubExpression);
Assert.AreEqual(testLowBound, sut.GetLeft());
Assert.AreEqual(testInclusiveLeft, sut.IsInclusiveLeft());
Assert.AreEqual(testUpperBound, sut.GetRight());
Assert.AreEqual(testInclusiveRight, sut.IsInclusiveRight());
}
public void CharacterStreamIsEOFHasNextTest_NotEOF()
{
string testInput = "a";
bool expectEOF = false;
StreamLocation expectedLocation = new StreamLocation(0, 1, 1);
CharacterScanner sut = new CharacterScanner(testInput);
sut.Start();
Assert.AreEqual(expectEOF, sut.IsEOF(), "EOF unexpected");
Assert.AreEqual(!expectEOF, sut.HasNext(), "HasNext expected");
Assert.AreEqual(expectedLocation, sut.Location);
}
public void NewLineTest_FromStart()
{
StreamLocation expected = new StreamLocation(1, 2, 1);
StreamLocationTracker sut = new StreamLocationTracker();
sut.NewLine();
Assert.AreEqual(expected, sut.Location);
}
public void RelationNodeTest_TypeCoercion()
{
StreamLocation expectedLocation = new StreamLocation(3, 2, 1);
Expression operandA = Expression.Constant(43L);
Expression operandB = Expression.Constant(3.4D);
RelationNode sut = new RelationNode(RelationNode.Operator.EQ,
new SimpleValueTestNode(operandA, FieldValueType.INTEGER),
new SimpleValueTestNode(operandB, FieldValueType.FLOAT),
expectedLocation);
Assert.AreEqual(TNode.RELATION, sut.NodeType);
Assert.AreEqual(expectedLocation, sut.Location);
Assert.IsTrue(sut.Description.Contains("RELATION"));
Assert.IsInstanceOfType(sut.SubExpression, typeof(BinaryExpression));
Assert.AreEqual(ExpressionType.Equal, sut.SubExpression.NodeType);
Assert.AreEqual(typeof(bool), sut.SubExpression.Type);
Assert.IsInstanceOfType(((BinaryExpression)sut.SubExpression).Left, typeof(UnaryExpression));
UnaryExpression cast = (UnaryExpression)((BinaryExpression)sut.SubExpression).Left;
Assert.AreEqual(ExpressionType.Convert, cast.NodeType);
Assert.AreEqual(operandA, cast.Operand);
Assert.AreEqual(operandB, ((BinaryExpression)sut.SubExpression).Right);
}
public void RelationNodeTest_NE()
{
StreamLocation expectedLocation = new StreamLocation(3, 2, 1);
Expression operandA = Expression.Constant(43L);
Expression operandB = Expression.Constant(34L);
RelationNode sut = new RelationNode(RelationNode.Operator.NE,
new SimpleValueTestNode(operandA, FieldValueType.INTEGER),
new SimpleValueTestNode(operandB, FieldValueType.INTEGER),
expectedLocation);
Assert.AreEqual(TNode.RELATION, sut.NodeType);
Assert.AreEqual(expectedLocation, sut.Location);
Assert.IsTrue(sut.Description.Contains("RELATION"));
Assert.IsInstanceOfType(sut.SubExpression, typeof(BinaryExpression));
Assert.AreEqual(ExpressionType.NotEqual, sut.SubExpression.NodeType);
Assert.AreEqual(typeof(bool), sut.SubExpression.Type);
Assert.AreEqual(operandA, ((BinaryExpression)sut.SubExpression).Left);
Assert.AreEqual(operandB, ((BinaryExpression)sut.SubExpression).Right);
}
public void RelationNodeTest_IN_Set()
{
StreamLocation expectedLocation = new StreamLocation(3, 2, 1);
Expression operandA = Expression.Constant(43L, typeof(long?));
List<ConstantExpression> testExprs = new List<ConstantExpression>() { Expression.Constant(34L, typeof(long?)),
Expression.Constant(64L, typeof(long?)) };
ISet<SimpleValueNode> testSet = new HashSet<SimpleValueNode>();
foreach (ConstantExpression expr in testExprs)
{
testSet.Add(new SimpleValueTestNode(expr, FieldValueType.INTEGER));
}
RelationNode sut = new RelationNode(RelationNode.Operator.IN,
new SimpleValueTestNode(operandA, FieldValueType.INTEGER),
new SetNode(testSet, new StreamLocation()),
expectedLocation);
Assert.AreEqual(TNode.RELATION, sut.NodeType);
Assert.AreEqual(expectedLocation, sut.Location);
Assert.IsTrue(sut.Description.Contains("RELATION"));
Assert.IsInstanceOfType(sut.SubExpression, typeof(BinaryExpression));
Assert.AreEqual(ExpressionType.Or, sut.SubExpression.NodeType);
Assert.AreEqual(typeof(bool), sut.SubExpression.Type);
List<ConstantExpression> resultExprs = new List<ConstantExpression>();
{
Expression left = ((BinaryExpression)sut.SubExpression).Left;
Assert.IsInstanceOfType(left, typeof(BinaryExpression));
Assert.AreEqual(ExpressionType.Or, sut.SubExpression.NodeType);
Assert.AreEqual(typeof(bool), sut.SubExpression.Type);
{
Expression leftLeft = ((BinaryExpression)left).Left;
Assert.IsInstanceOfType(leftLeft, typeof(ConstantExpression));
Assert.AreEqual(ExpressionType.Constant, leftLeft.NodeType);
Assert.AreEqual(typeof(bool), leftLeft.Type);
Assert.AreEqual(false, ((ConstantExpression)leftLeft).Value);
}
{
Expression leftRight = ((BinaryExpression)left).Right;
Assert.IsInstanceOfType(leftRight, typeof(BinaryExpression));
Assert.AreEqual(ExpressionType.Equal, leftRight.NodeType);
Assert.AreEqual(operandA, ((BinaryExpression)leftRight).Left);
resultExprs.Add((ConstantExpression)((BinaryExpression)leftRight).Right);
}
}
{
Expression right = ((BinaryExpression)sut.SubExpression).Right;
Assert.IsInstanceOfType(right, typeof(BinaryExpression));
Assert.AreEqual(ExpressionType.Equal, right.NodeType);
Assert.AreEqual(operandA, ((BinaryExpression)right).Left);
resultExprs.Add((ConstantExpression)((BinaryExpression)right).Right);
}
CollectionAssert.AreEquivalent(testExprs, resultExprs);
}
public void RelationNodeTest_IN_Range_Inclusive()
{
StreamLocation expectedLocation = new StreamLocation(3, 2, 1);
Expression operandA = Expression.Constant(43L, typeof(long?));
SimpleValueNode rangeLow = new NumberNode("34", new StreamLocation());
SimpleValueNode rangeHigh = new NumberNode("68", new StreamLocation());
RelationNode sut = new RelationNode(RelationNode.Operator.IN,
new SimpleValueTestNode(operandA, FieldValueType.INTEGER),
new RangeNode(rangeLow, true, rangeHigh, true, new StreamLocation()),
expectedLocation);
Assert.AreEqual(TNode.RELATION, sut.NodeType);
Assert.AreEqual(expectedLocation, sut.Location);
Assert.IsTrue(sut.Description.Contains("RELATION"));
Assert.IsInstanceOfType(sut.SubExpression, typeof(BinaryExpression));
Assert.AreEqual(ExpressionType.And, sut.SubExpression.NodeType);
Assert.AreEqual(typeof(bool), sut.SubExpression.Type);
{
Expression left = ((BinaryExpression)sut.SubExpression).Left;
Assert.IsInstanceOfType(left, typeof(BinaryExpression));
Assert.AreEqual(ExpressionType.GreaterThanOrEqual, left.NodeType);
Assert.AreEqual(operandA, ((BinaryExpression)left).Left);
Assert.AreEqual(rangeLow.SubExpression, ((BinaryExpression)left).Right);
}
{
Expression right = ((BinaryExpression)sut.SubExpression).Right;
Assert.IsInstanceOfType(right, typeof(BinaryExpression));
Assert.AreEqual(ExpressionType.LessThanOrEqual, right.NodeType);
Assert.AreEqual(operandA, ((BinaryExpression)right).Left);
Assert.AreEqual(rangeHigh.SubExpression, ((BinaryExpression)right).Right);
}
}
public void RangeNodeTest_IncompatibleTypes()
{
StreamLocation expectedLocation = new StreamLocation(3, 2, 1);
SimpleValueNode testLowBound = new NumberNode("1", new StreamLocation());
SimpleValueNode testUpperBound = new StringNode("10", new StreamLocation());
bool testInclusiveLeft = true;
bool testInclusiveRight = true;
RangeNode sut = new RangeNode(testLowBound, testInclusiveLeft, testUpperBound, testInclusiveRight, expectedLocation);
}
public void RelationNodeTest_TypeMismatch()
{
StreamLocation expectedLocation = new StreamLocation(3, 2, 1);
Expression operandA = Expression.Constant(43L);
Expression operandB = Expression.Constant("34");
RelationNode sut = new RelationNode(RelationNode.Operator.EQ,
new SimpleValueTestNode(operandA, FieldValueType.INTEGER),
new SimpleValueTestNode(operandB, FieldValueType.TEXT),
expectedLocation);
}
public void RelationNodeTest_IN_EmptySet()
{
StreamLocation expectedLocation = new StreamLocation(3, 2, 1);
Expression operandA = Expression.Constant(43L, typeof(long?));
List<ConstantExpression> testExprs = new List<ConstantExpression>();
ISet<SimpleValueNode> testSet = new HashSet<SimpleValueNode>();
foreach (ConstantExpression expr in testExprs)
{
testSet.Add(new SimpleValueTestNode(expr, FieldValueType.INTEGER));
}
RelationNode sut = new RelationNode(RelationNode.Operator.IN,
new SimpleValueTestNode(operandA, FieldValueType.INTEGER),
new SetNode(testSet, new StreamLocation()),
expectedLocation);
Assert.AreEqual(TNode.RELATION, sut.NodeType);
Assert.AreEqual(expectedLocation, sut.Location);
Assert.IsTrue(sut.Description.Contains("RELATION"));
Assert.IsInstanceOfType(sut.SubExpression, typeof(ConstantExpression));
Assert.AreEqual(ExpressionType.Constant, sut.SubExpression.NodeType);
Assert.AreEqual(typeof(bool), sut.SubExpression.Type);
Assert.AreEqual(false, ((ConstantExpression)sut.SubExpression).Value);
}
public void StreamLocationTrackerConstructorTest()
{
StreamLocation expected = new StreamLocation(0, 1, 1);
StreamLocationTracker sut = new StreamLocationTracker();
Assert.AreEqual(expected, sut.Location);
}
public void SetNodeTest_Empty()
{
StreamLocation expectedLocation = new StreamLocation(3, 2, 1);
ISet<SimpleValueNode> testSet = new HashSet<SimpleValueNode>();
ValueNode sut = new SetNode(testSet, expectedLocation);
Assert.AreEqual(TNode.SET, sut.NodeType);
Assert.AreEqual(expectedLocation, sut.Location);
Assert.IsTrue(sut.Description.Contains("SET"));
Assert.AreEqual(FieldValueType.NONE, sut.ValueType);
Assert.IsNull(sut.SubExpression);
Assert.AreEqual(testSet, ((SetNode)sut).GetSet());
}
public void SetNodeTest_MixedCompatibleTypes()
{
StreamLocation expectedLocation = new StreamLocation(3, 2, 1);
ISet<SimpleValueNode> testSet = new HashSet<SimpleValueNode>()
{
new NumberNode("34", new StreamLocation()),
new NumberNode("3.4", new StreamLocation()),
new NumberNode("34e-2", new StreamLocation()),
};
ValueNode sut = new SetNode(testSet, expectedLocation);
Assert.AreEqual(TNode.SET, sut.NodeType);
Assert.AreEqual(expectedLocation, sut.Location);
Assert.IsTrue(sut.Description.Contains("SET"));
Assert.AreEqual(FieldValueType.FLOAT, sut.ValueType);
Assert.IsNull(sut.SubExpression);
Assert.AreEqual(testSet, ((SetNode)sut).GetSet());
}
public void SetNodeTest_MixedIncompatibleTypes()
{
StreamLocation expectedLocation = new StreamLocation(3, 2, 1);
ISet<SimpleValueNode> testSet = new HashSet<SimpleValueNode>()
{
new NumberNode("34", new StreamLocation()),
new StringNode("3.4", new StreamLocation()),
new NumberNode("34e-2", new StreamLocation()),
};
ValueNode sut = new SetNode(testSet, expectedLocation);
}
public void CharacterStreamIsEOFHasNextTest_AtEOF()
{
string testInput = "a";
bool expectEOF = true;
StreamLocation expectedLocation = new StreamLocation(1, 1, 2);
CharacterScanner sut = new CharacterScanner(testInput);
sut.Start();
sut.Consume();
Assert.AreEqual(expectEOF, sut.IsEOF(), "EOF expected");
Assert.AreEqual(!expectEOF, sut.HasNext(), "HasNext unexpected");
Assert.AreEqual(expectedLocation, sut.Location);
}
public void StringNodeTest()
{
StreamLocation expectedLocation = new StreamLocation(3, 2, 1);
string testString = "hello world";
ValueNode sut = new StringNode(testString, expectedLocation);
Assert.AreEqual(TNode.STRING, sut.NodeType);
Assert.AreEqual(expectedLocation, sut.Location);
Assert.IsTrue(sut.Description.Contains("STRING"));
Assert.AreEqual(FieldValueType.TEXT, sut.ValueType);
Assert.IsInstanceOfType(sut.SubExpression, typeof(ConstantExpression));
Assert.AreEqual(ExpressionType.Constant, sut.SubExpression.NodeType);
Assert.AreEqual(typeof(string), sut.SubExpression.Type);
Assert.AreEqual(testString, ((ConstantExpression)sut.SubExpression).Value);
}
public void CharacterStreamStartTest()
{
StreamLocation expectedLocation = new StreamLocation(0, 1, 1);
CharacterScanner sut = new CharacterScanner("Test");
sut.Start();
Assert.IsTrue(IsStarted(sut), "Should not be able to set new location if started");
Assert.AreEqual(expectedLocation, sut.Location);
}
public void TrueNodeTest()
{
StreamLocation expectedLocation = new StreamLocation(3, 2, 1);
TrueNode sut = new TrueNode(expectedLocation);
Assert.AreEqual(TNode.TRUE, sut.NodeType);
Assert.AreEqual(expectedLocation, sut.Location);
Assert.IsTrue(sut.Description.Contains("TRUE"));
Assert.AreEqual(ExpressionType.Constant, sut.SubExpression.NodeType);
Assert.IsInstanceOfType(sut.SubExpression, typeof(ConstantExpression));
Assert.AreEqual(typeof(bool), ((ConstantExpression)sut.SubExpression).Type);
Assert.AreEqual(true, ((ConstantExpression)sut.SubExpression).Value);
}
public ParseException(string msg, StreamLocation loc, Exception e)
: base(String.Format("Syntax Error: {0} @ {1}", msg, loc), e)
{
}
public void NumberNodeTest_Integer()
{
StreamLocation expectedLocation = new StreamLocation(3, 2, 1);
string testNumber = "34";
long? expectedValue = (long?)long.Parse(testNumber);
ValueNode sut = new NumberNode(testNumber, expectedLocation);
Assert.AreEqual(TNode.NUMBER, sut.NodeType);
Assert.AreEqual(expectedLocation, sut.Location);
Assert.IsTrue(sut.Description.Contains("NUMBER"));
Assert.AreEqual(FieldValueType.INTEGER, sut.ValueType);
Assert.IsInstanceOfType(sut.SubExpression, typeof(ConstantExpression));
Assert.AreEqual(ExpressionType.Constant, sut.SubExpression.NodeType);
Assert.AreEqual(typeof(long?), sut.SubExpression.Type);
Assert.AreEqual(expectedValue, ((ConstantExpression)sut.SubExpression).Value);
}
