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@safe unittest
{
import std.encoding;
assert(encodingName!(char) == "UTF-8");
assert(encodingName!(wchar) == "UTF-16");
assert(encodingName!(dchar) == "UTF-32");
assert(encodingName!(AsciiChar) == "ASCII");
assert(encodingName!(Latin1Char) == "ISO-8859-1");
assert(encodingName!(Latin2Char) == "ISO-8859-2");
assert(encodingName!(Windows1250Char) == "windows-1250");
assert(encodingName!(Windows1251Char) == "windows-1251");
assert(encodingName!(Windows1252Char) == "windows-1252");
}
@safe pure unittest
{
import std.encoding;
assert( canEncode!(Latin1Char)('A'));
assert( canEncode!(Latin2Char)('A'));
assert(!canEncode!(AsciiChar)('\u00A0'));
assert( canEncode!(Latin1Char)('\u00A0'));
assert( canEncode!(Latin2Char)('\u00A0'));
assert( canEncode!(Windows1250Char)('\u20AC'));
assert(!canEncode!(Windows1250Char)('\u20AD'));
assert(!canEncode!(Windows1250Char)('\uFFFD'));
assert( canEncode!(Windows1251Char)('\u0402'));
assert(!canEncode!(Windows1251Char)('\u20AD'));
assert(!canEncode!(Windows1251Char)('\uFFFD'));
assert( canEncode!(Windows1252Char)('\u20AC'));
assert(!canEncode!(Windows1252Char)('\u20AD'));
assert(!canEncode!(Windows1252Char)('\uFFFD'));
assert(!canEncode!(char)(cast(dchar) 0x110000));
}
@safe pure unittest
{
import std.encoding;
import std.algorithm.searching : find;
import std.utf : byDchar;
assert("The quick brown fox"
.byDchar
.find!(x => !canEncode!AsciiChar(x))
.empty);
}
@system pure unittest
{
import std.encoding;
assert(!isValidCodeUnit(cast(char) 0xC0));
assert(!isValidCodeUnit(cast(char) 0xFF));
assert( isValidCodeUnit(cast(wchar) 0xD800));
assert(!isValidCodeUnit(cast(dchar) 0xD800));
assert(!isValidCodeUnit(cast(AsciiChar) 0xA0));
assert( isValidCodeUnit(cast(Windows1250Char) 0x80));
assert(!isValidCodeUnit(cast(Windows1250Char) 0x81));
assert( isValidCodeUnit(cast(Windows1251Char) 0x80));
assert(!isValidCodeUnit(cast(Windows1251Char) 0x98));
assert( isValidCodeUnit(cast(Windows1252Char) 0x80));
assert(!isValidCodeUnit(cast(Windows1252Char) 0x81));
}
@system pure unittest
{
import std.encoding;
assert( isValid("\u20AC100"));
assert(!isValid(cast(char[3])[167, 133, 175]));
}
@system pure unittest
{
import std.encoding;
assert(sanitize("hello \xF0\x80world") == "hello \xEF\xBF\xBDworld");
}
@system pure unittest
{
import std.encoding;
assert(firstSequence("\u20AC1000") == "\u20AC".length);
assert(firstSequence("hel") == "h".length);
}
@system pure unittest
{
import std.encoding;
assert(lastSequence("1000\u20AC") == "\u20AC".length);
assert(lastSequence("hellö") == "ö".length);
}
@system pure unittest
{
import std.encoding;
assert(index("\u20AC100",1) == 3);
assert(index("hällo",2) == 3);
}
@system unittest
{
import std.encoding;
string s = "hello";
string t;
foreach (c;codePoints(s))
{
t ~= cast(char) c;
}
assert(s == t);
}
@system unittest
{
import std.encoding;
char[] a;
foreach (c;codeUnits!(char)(cast(dchar)'\u20AC'))
{
a ~= c;
}
assert(a.length == 3);
assert(a[0] == 0xE2);
assert(a[1] == 0x82);
assert(a[2] == 0xAC);
}
@system pure unittest
{
import std.encoding;
wstring ws;
// transcode from UTF-8 to UTF-16
transcode("hello world",ws);
assert(ws == "hello world"w);
Latin1String ls;
// transcode from UTF-16 to ISO-8859-1
transcode(ws, ls);
assert(ls == "hello world");
}
@system unittest
{
import std.encoding;
import std.format : format;
auto ts = dchar(0x0000FEFF) ~ "Hello World"d;
auto entry = getBOM(cast(ubyte[]) ts);
version (BigEndian)
{
assert(entry.schema == BOM.utf32be, format("%s", entry.schema));
}
else
{
assert(entry.schema == BOM.utf32le, format("%s", entry.schema));
}
}
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