public void 能够检测带ɛ的句子(string input, NonTerminalTree expected)
{
var tokens = PrepareTokens(input);
var result = DfsParser.Parse(tokens, _bnfDefinationWithEpsilon, "A");
result.Should().BeEquivalentTo(expected);
}
public void 在输入正确时能够得到结果(string input, NonTerminalTree expect)
{
var tokens = PrepareTokens(input);
var result = DfsParser.Parse(tokens, _defination, "S");
result.Should().BeEquivalentTo(expect);
}
public void 在输入不正确的句子时能够检测到错误(string input)
{
var tokens = PrepareTokens(input);
var result = DfsParser.Parse(tokens, _defination, "S");
result.Should().Be(null);
}
