public void VisitIntegerConstantExpr()
{
var target = new TypeCheckingVisitor();
var expression = new ConstantExpr(1234);
var actual = target.Visit(expression, scope);
Assert.AreEqual(ValueType.Int, actual);
}
public void VisitBooleanConstantExpr(bool value)
{
var target = new TypeCheckingVisitor();
var expression = new ConstantExpr(value);
var actual = target.Visit(expression, scope);
Assert.AreEqual(ValueType.Boolean, actual);
}
public void NegationExpressionTest(object value, object expected)
{
var target = new TypeCheckingVisitor();
var expr = new NegationExpr(new ConstantExpr(value));
var actual = target.Visit(expr, scope);
Assert.AreEqual(expected, actual);
}
public void AndOrTest()
{
var target = new TypeCheckingVisitor();
var expr = new AndExpr(new ConstantExpr(true), new OrExpr(new ConstantExpr(true), new ConstantExpr(false)));
var actual = target.Visit(expr, scope);
Assert.AreEqual(ValueType.Boolean, actual);
}
public void VisitConditionMustBeBooleanType(object condition)
{
var target = new TypeCheckingVisitor();
var conditionExpression = new ConstantExpr(condition);
var expr = new ConditionalExpr(conditionExpression, new ConstantExpr(0), new ConstantExpr(0));
target.Visit(expr, scope);
}
public void VisitNoOpExpr()
{
var target = new TypeCheckingVisitor();
var expression = new NoOpStatement();
var actual = target.Visit(expression, scope);
Assert.AreEqual(ValueType.Unit, actual);
}
public void AssignmentTest()
{
var target = new TypeCheckingVisitor();
var expr = new AssignmentExpr(new IdentifierExpr("a"), new ConstantExpr(1));
var actual = target.Visit(expr, scope);
Assert.AreEqual(ValueType.Int, actual);
}
public void VisitBooleanNotExpr(bool a, ValueType expected)
{
var target = new TypeCheckingVisitor();
var aExpression = new ConstantExpr(a);
var expr = new NotExpr(aExpression);
var actual = target.Visit(expr, scope);
Assert.AreEqual(expected, actual);
}
public void VisitPlusWithDoubleAndIntExpr()
{
var target = new TypeCheckingVisitor();
var lhs = new ConstantExpr(1.1);
var rhs = new ConstantExpr(2);
var expression = new PlusExpr(lhs, rhs);
var actual = target.Visit(expression, scope);
Assert.AreEqual(ValueType.Float, actual);
}
public void VisitDivExpr()
{
var target = new TypeCheckingVisitor();
var lhs = new ConstantExpr(10);
var rhs = new ConstantExpr(2);
var expression = new DivExpr(lhs, rhs);
var actual = target.Visit(expression, scope);
Assert.AreEqual(ValueType.Int, actual);
}
public void VisitConditionalExpr(bool condition, object thenValue, object elseValue, ValueType expected)
{
var target = new TypeCheckingVisitor();
var conditionExpression = new ConstantExpr(condition);
var thenExpression = new ConstantExpr(thenValue);
var elseExpression = new ConstantExpr(elseValue);
var expr = new ConditionalExpr(conditionExpression, thenExpression, elseExpression);
var actual = target.Visit(expr, scope);
Assert.AreEqual(expected, actual);
}
public void VisitMathExpressionTree()
{
var target = new TypeCheckingVisitor();
var one = new ConstantExpr(1);
var two = new ConstantExpr(2);
var three = new ConstantExpr(3);
var four = new ConstantExpr(4);
var five = new ConstantExpr(5);
var six = new ConstantExpr(6);
var expr = new DivExpr(new MultExpr(three, six), new MultExpr(new MinusExpr(five, one), new PlusExpr(four, two)));
var actual = target.Visit(expr, scope);
Assert.AreEqual(ValueType.Int, actual);
}
public void InvalidLValueAssignmentTest()
{
var target = new TypeCheckingVisitor();
var expr = new AssignmentExpr(new ConstantExpr("a"), new ConstantExpr(1));
target.Visit(expr, scope);
}
public void AssignmentTest()
{
var target = new TypeCheckingVisitor();
var expr = new AssignmentExpr(new IdentifierExpr("a"), new ConstantExpr(1));
var actual = target.Visit(expr, scope);
Assert.AreEqual(ValueType.Int, actual);
}
public void AndOrTest()
{
var target = new TypeCheckingVisitor();
var expr = new AndExpr(new ConstantExpr(true), new OrExpr(new ConstantExpr(true), new ConstantExpr(false)));
var actual = target.Visit(expr, scope);
Assert.AreEqual(ValueType.Boolean, actual);
}
public void NegationExpressionTest(object value, object expected)
{
var target = new TypeCheckingVisitor();
var expr = new NegationExpr(new ConstantExpr(value));
var actual = target.Visit(expr, scope);
Assert.AreEqual(expected, actual);
}
public void VisitConditionMustBeBooleanType(object condition)
{
var target = new TypeCheckingVisitor();
var conditionExpression = new ConstantExpr(condition);
var expr = new ConditionalExpr(conditionExpression, new ConstantExpr(0), new ConstantExpr(0));
target.Visit(expr, scope);
}
public void VisitConditionalExpr(bool condition, object thenValue, object elseValue, ValueType expected)
{
var target = new TypeCheckingVisitor();
var conditionExpression = new ConstantExpr(condition);
var thenExpression = new ConstantExpr(thenValue);
var elseExpression = new ConstantExpr(elseValue);
var expr = new ConditionalExpr(conditionExpression, thenExpression, elseExpression);
var actual = target.Visit(expr, scope);
Assert.AreEqual(expected, actual);
}
public void VisitBooleanNotExpr(bool a, ValueType expected)
{
var target = new TypeCheckingVisitor();
var aExpression = new ConstantExpr(a);
var expr = new NotExpr(aExpression);
var actual = target.Visit(expr, scope);
Assert.AreEqual(expected, actual);
}
public void VisitMathExpressionTree()
{
var target = new TypeCheckingVisitor();
var one = new ConstantExpr(1);
var two = new ConstantExpr(2);
var three = new ConstantExpr(3);
var four = new ConstantExpr(4);
var five = new ConstantExpr(5);
var six = new ConstantExpr(6);
var expr = new DivExpr(new MultExpr(three, six), new MultExpr(new MinusExpr(five, one), new PlusExpr(four, two)));
var actual = target.Visit(expr, scope);
Assert.AreEqual(ValueType.Int, actual);
}
public void VisitDivExpr()
{
var target = new TypeCheckingVisitor();
var lhs = new ConstantExpr(10);
var rhs = new ConstantExpr(2);
var expression = new DivExpr(lhs, rhs);
var actual = target.Visit(expression, scope);
Assert.AreEqual(ValueType.Int, actual);
}
public void VisitPlusWithDoubleAndIntExpr()
{
var target = new TypeCheckingVisitor();
var lhs = new ConstantExpr(1.1);
var rhs = new ConstantExpr(2);
var expression = new PlusExpr(lhs, rhs);
var actual = target.Visit(expression, scope);
Assert.AreEqual(ValueType.Float, actual);
}
public void VisitNoOpExpr()
{
var target = new TypeCheckingVisitor();
var expression = new NoOpStatement();
var actual = target.Visit(expression, scope);
Assert.AreEqual(ValueType.Unit, actual);
}
public void VisitIntegerConstantExpr()
{
var target = new TypeCheckingVisitor();
var expression = new ConstantExpr(1234);
var actual = target.Visit(expression, scope);
Assert.AreEqual(ValueType.Int, actual);
}
public void VisitBooleanConstantExpr(bool value)
{
var target = new TypeCheckingVisitor();
var expression = new ConstantExpr(value);
var actual = target.Visit(expression, scope);
Assert.AreEqual(ValueType.Boolean, actual);
}