public void ShouldReturnTheCorrectValue()
{
var rational = new SignedRational(0, 1);
Assert.Equal("0", rational.ToString());
rational = new SignedRational(-2, 1);
Assert.Equal("-2", rational.ToString());
rational = new SignedRational(-1, 2);
Assert.Equal("-1/2", rational.ToString());
}
public void ExifSignedRationalTests(ExifTag tag)
{
var expected = new SignedRational(21, 42);
ExifValue value = ExifValues.Create(tag);
Assert.False(value.TrySetValue(expected.ToString()));
Assert.True(value.TrySetValue(expected));
var typed = (ExifSignedRational)value;
Assert.Equal(expected, typed.Value);
}
public void Test_ToString()
{
SignedRational rational = new SignedRational(0, 0);
Assert.AreEqual("Indeterminate", rational.ToString());
rational = new SignedRational(double.PositiveInfinity);
Assert.AreEqual("PositiveInfinity", rational.ToString());
rational = new SignedRational(double.NegativeInfinity);
Assert.AreEqual("NegativeInfinity", rational.ToString());
rational = new SignedRational(0, 1);
Assert.AreEqual("0", rational.ToString());
rational = new SignedRational(2, 1);
Assert.AreEqual("2", rational.ToString());
rational = new SignedRational(1, 2);
Assert.AreEqual("1/2", rational.ToString());
}
public void ToStringRepresention()
{
SignedRational rational = new SignedRational(0, 0);
Assert.Equal("[ Indeterminate ]", rational.ToString());
rational = new SignedRational(double.PositiveInfinity);
Assert.Equal("[ PositiveInfinity ]", rational.ToString());
rational = new SignedRational(double.NegativeInfinity);
Assert.Equal("[ NegativeInfinity ]", rational.ToString());
rational = new SignedRational(0, 1);
Assert.Equal("0", rational.ToString());
rational = new SignedRational(2, 1);
Assert.Equal("2", rational.ToString());
rational = new SignedRational(1, 2);
Assert.Equal("1/2", rational.ToString());
}
public void ToString_ReturnsReadableString(int numerator, int denominator, string str)
{
var rational = new SignedRational(numerator, denominator);
Assert.Equal(str, rational.ToString());
}
public void ShouldReturnNegativeInfinityWhenValueIsNegativeInfinity()
{
var rational = new SignedRational(double.NegativeInfinity);
Assert.Equal("NegativeInfinity", rational.ToString());
}
public void ShouldReturnPositiveInfinityWhenValueIsNan()
{
var rational = new SignedRational(double.NaN);
Assert.Equal("Indeterminate", rational.ToString());
}
public void Test_ToString()
{
SignedRational rational = new SignedRational(0, 0);
Assert.AreEqual("Indeterminate", rational.ToString());
rational = new SignedRational(double.PositiveInfinity);
Assert.AreEqual("PositiveInfinity", rational.ToString());
rational = new SignedRational(double.NegativeInfinity);
Assert.AreEqual("NegativeInfinity", rational.ToString());
rational = new SignedRational(0, 1);
Assert.AreEqual("0", rational.ToString());
rational = new SignedRational(2, 1);
Assert.AreEqual("2", rational.ToString());
rational = new SignedRational(1, 2);
Assert.AreEqual("1/2", rational.ToString());
}
public void ShouldReturnPositiveInfinityWhenValueIsPositiveInfinity()
{
var rational = new SignedRational(double.PositiveInfinity);
Assert.AreEqual("PositiveInfinity", rational.ToString());
}