public void Test()
{
var revBuilder = new DfaBuilder <bool>();
foreach (JavaToken tok in Enum.GetValues(typeof(JavaToken)))
{
revBuilder.AddPattern(Pattern.AllStrings.Then(tok.Pattern().Reversed), true);
}
var wantStart = revBuilder.Build(null);
var want = _toString(wantStart);
var builder = new DfaBuilder <JavaToken>();
foreach (JavaToken tok in Enum.GetValues(typeof(JavaToken)))
{
builder.AddPattern(tok.Pattern(), tok);
}
var haveStart = builder.BuildReverseFinder();
var have = _toString(haveStart);
Assert.Equal(want, have);
//make sure we properly exclude the empty string from the reverse finder DFA
builder.Clear();
foreach (JavaToken tok in Enum.GetValues(typeof(JavaToken)))
{
if (((int)tok & 1) == 0)
{
builder.AddPattern(tok.Pattern(), tok);
}
else
{
builder.AddPattern(Pattern.Maybe(tok.Pattern()), tok);
}
}
haveStart = builder.BuildReverseFinder();
have = _toString(haveStart);
Assert.Equal(want, have);
}
public void Test()
{
var cache = new InMemoryBuilderCache();
var builder = new DfaBuilder <JavaToken>(cache);
Build(builder);
Assert.Equal(1, cache.Cache.Count);
Assert.Equal(0, cache.Hits);
builder.Clear();
Build(builder);
Assert.Equal(1, cache.Cache.Count);
Assert.Equal(1, cache.Hits);
builder = new DfaBuilder <JavaToken>(cache);
Build(builder);
Assert.Equal(1, cache.Cache.Count);
Assert.Equal(2, cache.Hits);
}