public void InvokeFactoryOnlyOnPass()
{
int count = 0;
var rule = new MatchTokenAndProduce <Tokens, int>(Tokens.A, () => count++);
var pass_data = TestData.FromTokens(Tokens.A);
var fail_data = TestData.FromTokens(Tokens.B);
var expect_fail = rule.Parse(fail_data);
expect_fail.Should().BeAssignableTo <Failure <Tokens, int> >();
count.Should().Be(0);
var expect_pass = rule.Parse(pass_data);
expect_pass.Should().BeAssignableTo <Success <Tokens, int> >();
count.Should().Be(1);
}
public void PassAndProduceOnMatchingToken()
{
var rule = new MatchTokenAndProduce <Tokens, int>(Tokens.A, 3);
var data = TestData.FromTokens(Tokens.A);
var result = rule.Parse(data);
if (result is Success <Tokens, int> success)
{
success.Value.Should().Be(3);
}
else
{
result.Should().BeAssignableTo <Success <Tokens, int> >();
}
}