public void ReturnsFalseOnSingleNullInput()
{
// Arrange
var parser = new SingleLineStringInputParser <int>(int.TryParse);
int value;
// Act, Assert
Assert.IsFalse(parser.GetValue(null, out value));
}
public void ReturnsFalseAfterDepleted()
{
// Arrange
var parser = new SingleLineStringInputParser <int>(int.TryParse);
int value;
// Act, Assert
Assert.IsTrue(parser.GetValue("1", out value));
Assert.IsFalse(parser.GetValue(null, out value));
}
public void ParsesSingleInputWithWhitespace()
{
// Arrange
var parser = new SingleLineStringInputParser <int>(int.TryParse);
int value;
// Act, Assert
Assert.IsTrue(parser.GetValue(" 1 ", out value));
Assert.AreEqual(value, 1);
}
public void ReturnsSeveralConsecutiveSingleInputsWithDelimiters()
{
// Arrange
var parser = new SingleLineStringInputParser <int>(int.TryParse);
int value;
// Act, Assert
parser.GetValue("1,", out value);
Assert.AreEqual(value, 1);
parser.GetValue("2, ", out value);
Assert.AreEqual(value, 2);
Assert.IsFalse(parser.GetValue(null, out value));
}
public void InputLineWith3IntsReads3Ints()
{
// Arrange
var parser = new SingleLineStringInputParser <int>(int.TryParse);
int value;
// Act, Assert
parser.GetValue("1, 2, 3", out value);
Assert.AreEqual(value, 1);
parser.GetValue(null, out value);
Assert.AreEqual(value, 2);
parser.GetValue(null, out value);
Assert.AreEqual(value, 3);
Assert.IsFalse(parser.GetValue(null, out value));
}
