public void MatchFirst()
{
// Given
var expression = new AltExpression(
new TextExpression("x"),
new TextExpression("y")
);
// When
var result = expression.Transform("x");
// Then
Assert.Equal("x", result);
}
public void EmptyInput()
{
// Given
var expression = new AltExpression(
new TextExpression("x"),
new TextExpression("y")
);
// When
var result = expression.Transform("");
// Then
Assert.Null(result);
}
public void MatchNeither()
{
// Given
var expression = new AltExpression(
new TextExpression("x"),
new TextExpression("y")
);
// When
var result = expression.Transform("z");
// Then
Assert.Null(result);
}
