public static void test_char()
{
var context = new Context("ab");
var chara = new Character('a');
var charb = new Character('b');
ExecTest(context, chara);
context.offset = 1;
ExecTest(context, charb);
chara = new Character('a', false);
ExecTest(context, chara);
context.offset = 2;
charb = new Character('b', false);
ExecTest(context, charb);
}
public static void test_list_backward()
{
var context = new Context("abc");
var chara = new Character('a', false);
var charb = new Character('b', false);
var charc = new Character('c', false);
var list = new List(new IMatch[] { chara, charb, charc }, false);
context.offset = context.Length;
ExecTest(context, list);
}
public static void test_list()
{
var context = new Context("abc");
var chara = new Character('a');
var charb = new Character('b');
var charc = new Character('c');
var list = new List(new IMatch[] { chara, charb, charc });
// (abc)
ExecTest(context, list);
}
public static void test_possessive()
{
var context = new Context("aaaab");
var chara = new Character('a');
var charb = new Character('b');
var alt = new CaptureGroup(new Alternate(new IMatch[] { chara, charb }), 2);
var posa = new Possessive(alt, 2);
var list = new List(new IMatch[] { new CaptureGroup(posa, 1), alt });
// (((a|b){2,}+)(a|b))
ExecTest(context, list);
}
public static void test_backref()
{
var context = new Context("aaaaab");
var chara = new Character('a');
var lazya = new Lazy(chara, 1);
var cap1 = new CaptureGroup(lazya, 1);
var back1 = new Backreference(cap1);
var list = new List(new IMatch[] { cap1, back1 });
// ((a+?)\1)
ExecTest(context, list);
}
public static void test_negative_lookbehind()
{
var context = new Context("abaab");
var chara = new Character('a');
var charb = new Character('b');
var alt = new Alternate(new IMatch[] { chara, charb });
var lazy = new Lazy(alt, 1);
var backa = new Character('a', false);
var back2a = new List(new IMatch[] { backa, backa }, false);
var assert = new Lookaround(back2a, false);
var list = new List(new IMatch[] { lazy, assert });
// ((?:a|b)+?(?<!aa))
ExecTest(context, list);
}
public static void test_atomic()
{
var context = new Context("aaaab");
var chara = new Character('a');
var charb = new Character('b');
var greedya = new Greedy(chara, 2);
var atomic = new Atomic(greedya);
var alt = new Alternate(new IMatch[] { chara, charb });
var list = new List(new IMatch[] { new CaptureGroup(atomic, 1), alt });
// (((?>a{2,}))(?:a|b))
ExecTest(context, list);
}
public static void test_greedyaltcapture()
{
var context = new Context("aaaaa");
var chara = new Character('a');
var list2a = new List(new IMatch[] { chara, chara });
var grp1 = new CaptureGroup(chara, 1);
var grp2 = new CaptureGroup(list2a, 2);
var alt = new Alternate(new IMatch[] { grp1, grp2 });
var greedy = new Greedy(alt, 1, 2);
// ((a)|(aa)){1,2}
ExecTest(context, greedy);
}
public static void test_negative_lookahead()
{
var context = new Context("aaaab");
var chara = new Character('a');
var greedy = new Greedy(chara, 1);
var list2a = new List(new IMatch[] { chara, chara });
var assert = new Lookaround(new CaptureGroup(list2a, 1), false);
var list = new List(new IMatch[] { greedy, assert });
// (a+(?!(aa))
ExecTest(context, list);
}
public static void test_lazyalternate()
{
var context = new Context("aaaaa");
var chara = new Character('a');
var list2a = new List(new IMatch[] { chara, chara });
var alt = new Alternate(new IMatch[] { chara, list2a });
var lazy = new Lazy(alt, 1, 2);
// (a|aa){1,2}?
ExecTest(context, lazy);
}
public static void test_lazy()
{
var context = new Context("aaaaa");
var chara = new Character('a');
var lazy = new Lazy(chara, 2, 4);
// (a{2,4}?)
ExecTest(context, lazy);
}
public static void test_greedy()
{
var context = new Context("aaaaa");
var chara = new Character('a');
var grd = new Greedy(chara, 2, 4);
// (a{1,3})
ExecTest(context, grd);
}
public static void test_repeat()
{
var context = new Context("aaaa");
var chara = new Character('a');
var list2a = new List(new IMatch[] { chara, chara });
var alt = new Alternate(new IMatch[] { chara, list2a });
var rep = new Repeat(alt, 2);
// (a|aa){2}
ExecTest(context, rep);
}
public static void test_alternatelist()
{
var context = new Context("aaaa");
var chara = new Character('a');
var list2a = new List(new IMatch[] { chara, chara });
var list3a = new List(new IMatch[] { chara, chara, chara });
var alt = new Alternate(new IMatch[] { chara, list2a, list3a });
var list = new List(new IMatch[] { alt, alt });
// (a|aa|aaa)(a|aa|aaa)
ExecTest(context, list);
}