public void EqualNullNotNull() { var lexpr = new ConstantExpression(null); var rexpr = new ConstantExpression(42); var expr = new BinaryOperatorExpression(BinaryOperator.Equal, lexpr, rexpr); Assert.AreEqual(false, expr.Evaluate(null)); }
public void DivideIntegers() { var lexpr = new ConstantExpression(84); var rexpr = new ConstantExpression(2); var expr = new BinaryOperatorExpression(BinaryOperator.Divide, lexpr, rexpr); Assert.AreEqual(42.0, expr.Evaluate(null)); }
public void EqualInteger() { var lexpr = new ConstantExpression(42); var rexpr = new ConstantExpression(42); var expr = new BinaryOperatorExpression(BinaryOperator.Equal, lexpr, rexpr); Assert.AreEqual(true, expr.Evaluate(null)); }
public void SubtractIntegers() { var lexpr = new ConstantExpression(44); var rexpr = new ConstantExpression(2); var expr = new BinaryOperatorExpression(BinaryOperator.Subtract, lexpr, rexpr); Assert.AreEqual(42, expr.Evaluate(null)); }
public void MultiplyIntegers() { var lexpr = new ConstantExpression(21); var rexpr = new ConstantExpression(2); var expr = new BinaryOperatorExpression(BinaryOperator.Multiply, lexpr, rexpr); Assert.AreEqual(42, expr.Evaluate(null)); }
public void GreaterInteger() { var lexpr = new ConstantExpression(42); var rexpr = new ConstantExpression(42); var expr = new BinaryOperatorExpression(BinaryOperator.Greater, lexpr, rexpr); Assert.AreEqual(false, expr.Evaluate(null)); }
public void EvaluateMultiplyExpression() { BinaryExpression expression = new BinaryOperatorExpression(new ConstantExpression(2), new ConstantExpression(3), BinaryOperator.Multiply); Assert.IsNotNull(expression); Assert.IsNotNull(expression.Left); Assert.IsNotNull(expression.Right); Assert.AreEqual(6, expression.Evaluate(new BindingEnvironment())); }
public void EvaluateSubtractExpression() { BinaryExpression expression = new BinaryOperatorExpression(new ConstantExpression(1), new ConstantExpression(2), BinaryOperator.Subtract); Assert.IsNotNull(expression); Assert.IsNotNull(expression.Left); Assert.IsNotNull(expression.Right); Assert.AreEqual(-1, expression.Evaluate(new BindingEnvironment())); }
public void EvaluateDivideExpression() { BinaryExpression expression = new BinaryOperatorExpression(new ConstantExpression(6), new ConstantExpression(3), BinaryOperator.Divide); Assert.IsNotNull(expression); Assert.IsNotNull(expression.Left); Assert.IsNotNull(expression.Right); Assert.AreEqual(2, expression.Evaluate(new BindingEnvironment())); }
public void EvaluateMultiplyExpressionWithLeftString() { BinaryExpression expression = new BinaryOperatorExpression(new ConstantExpression("spam"), new ConstantExpression(3), BinaryOperator.Multiply); Assert.IsNotNull(expression); Assert.IsNotNull(expression.Left); Assert.IsNotNull(expression.Right); Assert.AreEqual("spamspamspam", expression.Evaluate(new BindingEnvironment())); }
public void EvaluateDivideToFloatExpression() { BinaryExpression expression = new BinaryOperatorExpression(new ConstantExpression(4), new ConstantExpression(5), BinaryOperator.Divide); Assert.IsNotNull(expression); Assert.IsNotNull(expression.Left); Assert.IsNotNull(expression.Right); Assert.AreEqual(0.8, expression.Evaluate(new BindingEnvironment())); }
public void EvaluateAddExpression() { BinaryExpression expression = new BinaryOperatorExpression(new ConstantExpression(1), new ConstantExpression(2), BinaryOperator.Add); Assert.IsNotNull(expression); Assert.IsNotNull(expression.Left); Assert.IsNotNull(expression.Right); Assert.AreEqual(3, expression.Evaluate(new BindingEnvironment())); }