public void ToStringTest()
{
var units = r.Next(-15, 15, 0);
var unitCategory = EnumHelpers.GetRandomValue <CSSUnit>(CSSUnit.None);
var lu = new CSSLengthUnit(units, unitCategory);
var expected = $"{units}{CSSUnitTypeAttribute.GetUnitSuffix<CSSUnit>(unitCategory)}";
Assert.AreEqual(expected, lu.ToString());
}
public void ConstructorString()
{
var units = r.Next(-15, 15, 0);
var unitCategory = EnumHelpers.GetRandomValue <CSSUnit>(CSSUnit.None);
var input = $"{units}{CSSUnitTypeAttribute.GetUnitSuffix<CSSUnit>(unitCategory)}";
var lu = new CSSLengthUnit(input);
Assert.AreEqual(units, lu.Units);
Assert.AreEqual(unitCategory, lu.UnitCategory);
}
public void TryParseTest()
{
var units = r.Next(-15, 15, 0);
var unitCategory = EnumHelpers.GetRandomValue <CSSUnit>(CSSUnit.None);
var input = $"{units}{CSSUnitTypeAttribute.GetUnitSuffix<CSSUnit>(unitCategory)}";
var value = CSSLengthUnit.TryParse(input, out CSSLengthUnit lu);
Assert.AreEqual(units, lu.Units);
Assert.AreEqual(unitCategory, lu.UnitCategory);
Assert.IsTrue(value);
input += "invalid";
value = CSSLengthUnit.TryParse(input, out _);
Assert.IsFalse(value);
}
public void ParseTest()
{
var units = r.Next(-15, 15, 0);
var unitCategory = EnumHelpers.GetRandomValue <CSSUnit>(CSSUnit.None);
var input = $"{units}{CSSUnitTypeAttribute.GetUnitSuffix<CSSUnit>(unitCategory)}";
var lu = CSSLengthUnit.Parse(input);
Assert.AreEqual(units, lu.Units);
Assert.AreEqual(unitCategory, lu.UnitCategory);
input = $"invalid{input}invalid";
Assert.ThrowsException <ArgumentException>(
() =>
{
lu = CSSLengthUnit.Parse(input);
}, $"Expected exception from invalid input: {input}");
}
