public void TestRegexRule()
{
var wordRule = new RegexRule("\\d");
Assert.IsTrue(wordRule.Match("1"));
Assert.IsTrue(wordRule.Match("123"));
Assert.IsFalse(wordRule.Match("test"));
}
public void FindAll_CmpRegex()
{
KeywordRule acsRule = new KeywordRule
{
Keywords = "abstract,as,base,bool,break,byte,case,catch,char,checked,class,const,continue,decimal,default,delegate,do,double,else,enum,event,explicit,extern,false,finally,fixed,float,for,foreach,goto,if,implicit,in,int,interface,internal,is,lock,long,namespace,new,null,object,operator,out,override,params,private,protected,public,readonly,ref,return,sbyte,sealed,short,sizeof,stackalloc,static,string,struct,switch,this,throw,true,try,typeof,uint,ulong,unchecked,unsafe,ushort,using,using,static,virtual,void,volatile,while,get,set,yield,var"
};
RegexRule regexRule = new RegexRule
{
Pattern = @"\babstract\b|\bas\b|\bbase\b|\bbool\b|\bbreak\b|\bbyte\b|\bcase\b|\bcatch\b|\bchar\b|\bchecked\b|\bclass\b|\bconst\b|\bcontinue\b|\bdecimal\b|\bdefault\b|\bdelegate\b|\bdo\b|\bdouble\b|\belse\b|\benum\b|\bevent\b|\bexplicit\b|\bextern\b|\bfalse\b|\bfinally\b|\bfixed\b|\bfloat\b|\bfor\b|\bforeach\b|\bgoto\b|\bif\b|\bimplicit\b|\bin\b|\bint\b|\binterface\b|\binternal\b|\bis\b|\block\b|\blong\b|\bnamespace\b|\bnew\b|\bnull\b|\bobject\b|\boperator\b|\bout\b|\boverride\b|\bparams\b|\bprivate\b|\bprotected\b|\bpublic\b|\breadonly\b|\bref\b|\breturn\b|\bsbyte\b|\bsealed\b|\bshort\b|\bsizeof\b|\bstackalloc\b|\bstatic\b|\bstring\b|\bstruct\b|\bswitch\b|\bthis\b|\bthrow\b|\btrue\b|\btry\b|\btypeof\b|\buint\b|\bulong\b|\bunchecked\b|\bunsafe\b|\bushort\b|\busing\b|\busing\b|\bstatic\b|\bvirtual\b|\bvoid\b|\bvolatile\b|\bwhile\b|\bget\b|\bset\b|\byield\b|\bvar\b"
};
string file = Path.Combine(Environment.CurrentDirectory, @"..\..\..\UI.SyntaxBox\SyntaxRenderer.cs");
var input = File.ReadAllLines(file);
var regex = input
.SelectMany((x) => regexRule.Match(x))
.OrderBy((x) => x.FromChar)
.ThenBy((x) => x.Length)
.ToList();
var acs = input
.SelectMany((x) => acsRule.Match(x))
.OrderBy((x) => x.FromChar)
.ThenBy((x) => x.Length)
.ToList();
Assert.AreEqual(regex.Count, acs.Count, "Not the same number of matches");
Assert.IsTrue(Enumerable.SequenceEqual(regex, acs, new FormatInstructionCmp()), "Different matches");
}
public void FindAll_PerformanceVsRegex()
{
KeywordRule acsRule = new KeywordRule
{
Keywords = "abstract,as,base,bool,break,byte,case,catch,char,checked,class,const,continue,decimal,default,delegate,do,double,else,enum,event,explicit,extern,false,finally,fixed,float,for,foreach,goto,if,implicit,in,int,interface,internal,is,lock,long,namespace,new,null,object,operator,out,override,params,private,protected,public,readonly,ref,return,sbyte,sealed,short,sizeof,stackalloc,static,string,struct,switch,this,throw,true,try,typeof,uint,ulong,unchecked,unsafe,ushort,using,using,static,virtual,void,volatile,while,get,set,yield,var"
};
acsRule.Match("empty"); // Warm it up
RegexRule regexRule = new RegexRule
{
Pattern = @"\babstract\b|\bas\b|\bbase\b|\bbool\b|\bbreak\b|\bbyte\b|\bcase\b|\bcatch\b|\bchar\b|\bchecked\b|\bclass\b|\bconst\b|\bcontinue\b|\bdecimal\b|\bdefault\b|\bdelegate\b|\bdo\b|\bdouble\b|\belse\b|\benum\b|\bevent\b|\bexplicit\b|\bextern\b|\bfalse\b|\bfinally\b|\bfixed\b|\bfloat\b|\bfor\b|\bforeach\b|\bgoto\b|\bif\b|\bimplicit\b|\bin\b|\bint\b|\binterface\b|\binternal\b|\bis\b|\block\b|\blong\b|\bnamespace\b|\bnew\b|\bnull\b|\bobject\b|\boperator\b|\bout\b|\boverride\b|\bparams\b|\bprivate\b|\bprotected\b|\bpublic\b|\breadonly\b|\bref\b|\breturn\b|\bsbyte\b|\bsealed\b|\bshort\b|\bsizeof\b|\bstackalloc\b|\bstatic\b|\bstring\b|\bstruct\b|\bswitch\b|\bthis\b|\bthrow\b|\btrue\b|\btry\b|\btypeof\b|\buint\b|\bulong\b|\bunchecked\b|\bunsafe\b|\bushort\b|\busing\b|\busing\b|\bstatic\b|\bvirtual\b|\bvoid\b|\bvolatile\b|\bwhile\b|\bget\b|\bset\b|\byield\b|\bvar\b"
};
regexRule.Match("empty"); // Warm it up
int iter = 10;
string file = Path.Combine(Environment.CurrentDirectory, @"..\..\..\UI.SyntaxBox\SyntaxRenderer.cs");
var input = File.ReadAllLines(file);
System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();
sw.Start();
for (int i = 0; i < iter; i++)
{
input.SelectMany((x) => regexRule.Match(x)).ToList();
}
sw.Stop();
long regex = sw.ElapsedMilliseconds;
sw.Reset();
sw.Start();
for (int i = 0; i < iter; i++)
{
input.SelectMany((x) => acsRule.Match(x)).ToList();
}
sw.Stop();
long acs = sw.ElapsedMilliseconds;
Assert.Inconclusive($"Regex: {regex}ms, Acs: {acs}ms");
}