public void Intrinsic_not_followed_by_parantheis___throws_ParsingException(
[Values("sin 3.14", "cos 0.84")] string expr)
{
var sut = new BasicExpressionEvaluator();
Assert.Throws <ParsingException>(() => sut.Evaluate(expr));
}
public void Exponentation_following_other_operation___OK()
{
string exp = "2+e^4";
var sut = new BasicExpressionEvaluator();
double actual = sut.Evaluate(exp);
}
public void Operand_followed_by_operand___throws_ParsingException(
[Values("3+*4", "-1 +/ 2", "4.23 -+ 2.234")] string expr)
{
var sut = new BasicExpressionEvaluator();
Assert.Throws <ParsingException>(() => sut.Evaluate(expr));
}
public void Right_paranthesis_is_missing___throws_ParsingException(
[Values("(3+4", "3*5 + (12 - 4.32")] string expr)
{
var sut = new BasicExpressionEvaluator();
Assert.Throws <ParsingException>(() => sut.Evaluate(expr));
}
public void No_left_paranthesis_when_right_is_given___throws_ParsingException()
{
string expr = "3 + 4 * 2)";
var sut = new BasicExpressionEvaluator();
Assert.Throws <ParsingException>(() => sut.Evaluate(expr));
}
public void Value_followed_by_value___throws_ParsingException()
{
string expr = "3 4";
var sut = new BasicExpressionEvaluator();
Assert.Throws <ParsingException>(() => sut.Evaluate(expr));
}
public void Complex_failures___throws_ParsingException(string expr)
{
var sut = new BasicExpressionEvaluator();
Assert.Throws <ParsingException>(() => sut.Evaluate(expr));
}
