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{
Test all with:
./runtests --format=plain --suite=TTestLazUTF8
Test specific with:
./runtests --format=plain --suite=TestUTF8Trim
./runtests --format=plain --suite=TestUTF8Pos
./runtests --format=plain --suite=TestFindInvalidUTF8
./runtests --format=plain --suite=TestFindUnicodeToUTF8
./runtests --format=plain --suite=TestUTF8QuotedStr
}
unit TestLazUTF8;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, fpcunit, testglobals, LazUTF8, LazLoggerBase;
type
{ TTestLazUTF8 }
TTestLazUTF8 = class(TTestCase)
public
published
procedure TestUTF8Trim;
procedure TestUTF8Pos;
procedure TestFindInvalidUTF8;
procedure TestFindUnicodeToUTF8;
procedure TestUTF8QuotedStr;
end;
implementation
{ TTestLazUTF8 }
procedure TTestLazUTF8.TestUTF8Trim;
begin
AssertEquals('Empty string','',UTF8Trim(''));
AssertEquals('Single space string','',UTF8Trim(' '));
AssertEquals('Single char string','a',UTF8Trim('a'));
AssertEquals('Space at start','a',UTF8Trim(' a'));
AssertEquals('Space at end','a',UTF8Trim('a '));
AssertEquals('Space at start and end','a',UTF8Trim(' a '));
AssertEquals('Tabs','a',UTF8Trim(#9'a'#9));
AssertEquals('Line breaks 1','a',UTF8Trim(#10'a'#13#10));
AssertEquals('Line breaks 2','',UTF8Trim(#10#13#13));
AssertEquals('Control characters 1','a',UTF8Trim(#0'a'#0));
AssertEquals('left-to-right','a',UTF8Trim(#$E2#$80#$8E'a'));
AssertEquals('right-to-left mark','a',UTF8Trim('a'#$E2#$80#$8F));
AssertEquals('left-to-right, right-to-left mark','a',UTF8Trim(#$E2#$80#$8E'a'#$E2#$80#$8F));
end;
procedure TTestLazUTF8.TestUTF8Pos;
begin
AssertEquals('Skip first occurence',4,UTF8Pos('ab','abcabc',2));
AssertEquals('Not found',0,UTF8Pos('abc'#0,'abcabc'));
AssertEquals('Check #0',2,UTF8Pos('bc'#0,'abc'#0'abc'));
end;
procedure TTestLazUTF8.TestFindInvalidUTF8;
procedure t(const s: string; Expected: PtrInt; const Title: string);
var
Actual: PtrInt;
begin
Actual:=FindInvalidUTF8Codepoint(PChar(s),length(s));
AssertEquals(Title+': '+dbgMemRange(Pointer(s),length(s)),Expected,Actual);
end;
begin
t('',-1,'empty');
t('a',-1,'');
t('a'#0,-1,'a with #0');
t(#0'a',-1,'#0 with a');
t(#128,0,'gap value 128');
t(#191,0,'gap value 192');
// 1 byte UTF-8
t(UnicodeToUTF8(0),-1,'unicode(0)');
t(UnicodeToUTF8(1),-1,'unicode(1)');
t(UnicodeToUTF8(65),-1,'unicode(65)');
t(UnicodeToUTF8($7f),-1,'unicode($7f)');
// 2 bytes UTF-8
t(UnicodeToUTF8($80),-1,'unicode($80)');
t(UnicodeToUTF8($7ff),-1,'unicode($7ff)');
// 3 bytes UTF-8
t(UnicodeToUTF8($800),-1,'unicode($800)');
t(UnicodeToUTF8($ffff),-1,'unicode($ffff)');
// 4 bytes UTF-8
t(UnicodeToUTF8($10000),-1,'unicode($10000)');
t(UnicodeToUTF8($10900),-1,'unicode($10900)');
t(UnicodeToUTF8($10ffff),-1,'unicode($10ffff)');
t(#$c0#0,0,'invalid second byte of 2 byte');
t(#$e0#0,0,'invalid second byte of 3 byte');
t(#$e0#$80#0,0,'invalid third byte of 3 byte');
t(#$f0#0,0,'invalid second byte of 4 byte');
t(#$f0#$80#0,0,'invalid third byte of 4 byte');
t(#$f0#$80#$80#0,0,'// invalid fourth byte of 4 byte');
t(#$c0#$80,0,'invalid: ascii encoded as 2 byte');
t(#$c0#$8f,0,'invalid: ascii encoded as 2 byte');
t(#$c1#$80,0,'invalid: ascii encoded as 2 byte');
t(#$c1#$bf,0,'invalid: ascii encoded as 2 byte');
t(#$e0#$80#$80,0,'invalid: 0 encoded as 3 byte');
t(#$e0#$9f#$bf,0,'invalid: $7ff encoded as 3 byte');
t(#$f0#$80#$80#$80,0,'invalid: 0 encoded as 4 byte');
t(#$f0#$8f#$bf#$bf,0,'invalid: $ffff encoded as 4 byte');
end;
procedure TTestLazUTF8.TestFindUnicodeToUTF8;
procedure t(CodePoint: cardinal; Expected: string);
var
Actual: String;
begin
Actual:=LazUTF8.UnicodeToUTF8(CodePoint);
AssertEquals('CodePoint='+HexStr(CodePoint,8),
dbgMemRange(PChar(Expected),length(Expected)),
dbgMemRange(PChar(Actual),length(Actual)));
end;
begin
t($0,#0);
t($1,#1);
t($20,' ');
t($7f,#$7f);
t($80,#$C2#$80);
t($7ff,#$DF#$BF);
t($800,#$E0#$A0#$80);
t($fff,#$E0#$BF#$BF);
t($1fff,#$E1#$BF#$BF);
t($3fff,#$E3#$BF#$BF);
t($7fff,#$E7#$BF#$BF);
t($ffff,#$EF#$BF#$BF);
t($1ffff,#$F0#$9F#$BF#$BF);
t($3ffff,#$F0#$BF#$BF#$BF);
t($7ffff,#$F1#$BF#$BF#$BF);
t($fffff,#$F3#$BF#$BF#$BF);
end;
procedure TTestLazUTF8.TestUTF8QuotedStr;
procedure t(const S, Quote, Expected: string);
var
Actual: String;
begin
Actual:=UTF8QuotedStr(S,Quote);
AssertEquals('S="'+S+'" Quote="'+Quote+'"',Expected,Actual);
end;
begin
t('','=','==');
t('','AB','ABAB');
t('A','A','AAAA');
t('bAb','A','AbAAbA');
t('cABc','AB','ABcABABcAB');
end;
initialization
AddToLazUtilsTestSuite(TTestLazUTF8);
end.
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