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unit TestLazUTF16;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, fpcunit, testglobals, LazUTF8, LazUTF16, LazLogger;
type
{ TTestUnicode }
TTestUnicode= class(TTestCase)
published
procedure TestUTF8ToUTF16;
procedure TestUTF16ToUTF8;
procedure TestUTF16ToUnicode;
procedure TestUnicodeToUTF16;
procedure TestUTF8CharacterToUnicode;
end;
const
Limits: Array [0..9] of Cardinal =
(0, $7F, $80, $7FF, $800, $D7FF, $E000, $FFFF, $10000, $10FFFF);
implementation
{ TTestUnicode }
procedure TTestUnicode.TestUTF8ToUTF16;
var
U: Cardinal;
I1, I2: Integer;
SUTF8, S1UTF8: UTF8String;
SUTF16, S1UTF16, R: WideString;
begin
for U := 0 to $10FFFF do // test each unicode char
begin
if (U >= $D800) and (U <= $DFFF) then Continue;
SUTF8 := UnicodeToUTF8(U);
SUTF16 := UnicodeToUTF16(U);
R := UTF8ToUTF16(SUTF8);
AssertEquals('UTF8ToUTF16 of unicode char: ' + IntToHex(U, 6) + ' error! ' + DbgWideStr(SUTF16) + ' ' + DbgWideStr(R),
DbgStr(UTF8Encode(SUTF16)), DbgStr(UTF8Encode(R)));
end;
for I1 := 0 to High(Limits) do // test two char string with limit char values
begin
S1UTF8 := UnicodeToUTF8(Limits[I1]);
S1UTF16 := UnicodeToUTF16(Limits[I1]);
for I2 := 0 to High(Limits) do
begin
SUTF8 := S1UTF8 + UnicodeToUTF8(Limits[I2]);
SUTF16 := S1UTF16 + UnicodeToUTF16(Limits[I2]);
R := UTF8ToUTF16(SUTF8);
AssertEquals('UTF8ToUTF16 of two unicode chars: ' +
IntToHex(Limits[I1], 6) + IntToHex(Limits[I2], 6) + ' error!',
UTF8Encode(SUTF16), UTF8Encode(R));
end;
end;
end;
procedure TTestUnicode.TestUTF16ToUTF8;
var
U: Cardinal;
I1, I2: Integer;
SUTF8, S1UTF8, R: String;
SUTF16, S1UTF16: WideString;
begin
for U := 0 to $10FFFF do
begin
if (U >= $D800) and (U <= $DFFF) then Continue;
SUTF8 := UnicodeToUTF8(U);
SUTF16 := UnicodeToUTF16(U);
R := UTF16ToUTF8(SUTF16);
AssertEquals('UTF16ToUTF8 of unicode char: ' + IntToHex(U, 6) + ' error! "' + DbgStr(PChar(SUTF16),length(SUTF16)*2) + '" "' + DbgStr(R)+'"',
DbgStr(SUTF8), DbgStr(R));
end;
for I1 := 0 to High(Limits) do
begin
S1UTF8 := UnicodeToUTF8(Limits[I1]);
S1UTF16 := UnicodeToUTF16(Limits[I1]);
for I2 := 0 to High(Limits) do
begin
SUTF8 := S1UTF8 + UnicodeToUTF8(Limits[I2]);
SUTF16 := S1UTF16 + UnicodeToUTF16(Limits[I2]);
R := UTF16ToUTF8(SUTF16);
AssertEquals('UTF16ToUTF8 of two unicode chars: ' +
IntToHex(Limits[I1], 6) + IntToHex(Limits[I2], 6) + ' error!',
SUTF8, R);
end;
end;
end;
procedure TTestUnicode.TestUTF16ToUnicode;
var
L: Integer;
begin
AssertEquals(0, UTF16CharacterToUnicode(#0, L));
AssertEquals($D7FF, UTF16CharacterToUnicode(#$D7FF, L));
AssertEquals($E000, UTF16CharacterToUnicode(#$E000, L));
AssertEquals($FFFF, UTF16CharacterToUnicode(#$FFFF, L));
AssertEquals($10000, UTF16CharacterToUnicode(#$D800#$DC00, L));
AssertEquals($10001, UTF16CharacterToUnicode(#$D800#$DC01, L));
AssertEquals($10FFFD, UTF16CharacterToUnicode(#$DBFF#$DFFD, L));
end;
procedure TTestUnicode.TestUnicodeToUTF16;
procedure t(a,b: widestring);
begin
if a=b then exit;
AssertEquals(dbgstr(PChar(a),length(a)*2), dbgstr(PChar(b),length(b)*2));
end;
begin
t(widestring(#0), UnicodeToUTF16(0));
t(widestring(#$D7FF), UnicodeToUTF16($D7FF));
t(widestring(#$E000), UnicodeToUTF16($E000));
t(widestring(#$FFFF), UnicodeToUTF16($FFFF));
t(widestring(#$D800#$DC00), UnicodeToUTF16($10000));
t(widestring(#$D800#$DC01), UnicodeToUTF16($10001));
t(widestring(#$DBFF#$DFFD), UnicodeToUTF16($10FFFD));
end;
procedure TTestUnicode.TestUTF8CharacterToUnicode;
var
i,u: cardinal;
s: String;
dum: integer;
begin
for i:=0 to $10FFFF do
begin
s:=UnicodeToUTF8(i);
u:=UTF8CodepointToUnicode(PChar(s), dum);
AssertEquals('got (hexidecimal): ' + InttoHex(u,6), i, u);
end;
end;
initialization
AddToLCLTestSuite(TTestUnicode);
end.
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