public void ParseMethod_NotValidVariableString_FormatException(string variableString)
{
Should.Throw <FormatException>(() =>
{
var parseResult = SummandParser.Parse(variableString);
});
}
public void ParseMethod_WhiteSpaceString_ThrowNullArgumentException()
{
Should.Throw <ArgumentNullException>(() =>
{
var parseResult = SummandParser.Parse(" ");
});
}
public void Parse_ValidParameters_CorrectParsing(string input, float expectedCoefficient, int expectedMaxExponent, string expectedSummandID)
{
var summand = SummandParser.Parse(input);
Assert.AreEqual(expectedCoefficient, summand.Coefficient);
Assert.AreEqual(expectedMaxExponent, summand.MaxExponent);
Assert.AreEqual(expectedSummandID, summand.SummandID);
}
public void ParseMethod_ValidVariableString_ReturnVariables(string variableString, float multiplier, int countVariables, IList <Variable> expectedVariables)
{
Summand parseResult = null;
Should.NotThrow(() =>
{
parseResult = SummandParser.Parse(variableString);
});
parseResult.ShouldNotBeNull();
parseResult.Multiplier.ShouldBe(multiplier);
parseResult.Variables.Count().ShouldBe(countVariables);
var sortedActualResult = parseResult.Variables.OrderBy(x => x.Name).ThenBy(x => x.Power).ToArray();
var sortedExpectedResult = expectedVariables.OrderBy(x => x.Name).ThenBy(x => x.Power).ToArray();
for (int i = 0; i < sortedActualResult.Length; i++)
{
var expectedValue = sortedExpectedResult[i];
sortedActualResult[i].Name.ShouldBe(expectedValue.Name);
sortedActualResult[i].Power.ShouldBe(expectedValue.Power);
}
}