ClassicAssert.Positive
Asserts that a number is positive.
//false
ClassicAssert.Positive(-1);
//true
ClassicAssert.Positive(1);
All the overloads of the method are
ClassicAssert.Positive(int actual);
ClassicAssert.Positive(int actual, string message, params object[] args);
ClassicAssert.Positive(uint actual);
ClassicAssert.Positive(uint actual, string message, params object[] args);
ClassicAssert.Positive(long actual);
ClassicAssert.Positive(long actual, string message, params object[] args);
ClassicAssert.Positive(ulong actual);
ClassicAssert.Positive(ulong actual, string message, params object[] args);
ClassicAssert.Positive(decimal actual);
ClassicAssert.Positive(decimal actual, string message, params object[] args);
ClassicAssert.Positive(double actual);
ClassicAssert.Positive(double actual, string message, params object[] args);
ClassicAssert.Positive(float actual);
ClassicAssert.Positive(float actual, string message, params object[] args);
You may also use ClassicAssert.That with a Is.Positive constraint to achieve the same result.