Utf8StringTest.cs
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using NUnit.Framework;
using System.Linq;
namespace UniJSON
{
public class Utf8StringTests
{
[Test]
public void Utf8StringTest()
{
var abc = Utf8String.From("abc");
var ab = Utf8String.From("ab");
var bc = Utf8String.From("bc");
Assert.True(abc.StartsWith(ab));
Assert.False(ab.StartsWith(abc));
Assert.True(abc.EndsWith(bc));
Assert.False(bc.EndsWith(abc));
Assert.AreEqual(Utf8String.From("abbc"), ab.Concat(bc));
Assert.AreEqual(2, abc.IndexOf((byte)'c'));
int pos;
abc.TrySearchAscii((byte)'c', 0, out pos);
Assert.AreEqual(2, pos);
abc.TrySearchAscii((byte)'c', 1, out pos);
Assert.AreEqual(2, pos);
}
[Test]
public void ShortUtf8Test()
{
var a0 = Utf8String4.Create("a");
Assert.AreEqual("a", a0);
var a1 = Utf8String4.Create(new byte[] { (byte)'a', 0x00 });
Assert.AreEqual(a0, a1);
var a2 = Utf8String4.Create("５");
Assert.AreEqual(3, a2.ByteLength);
}
[Test]
public void QuoteTest()
{
{
var value = Utf8String.From("ho５日本語ge");
var quoted = Utf8String.From("\"ho５日本語ge\"");
Assert.AreEqual(quoted, JsonString.Quote(value));
Assert.AreEqual(value, JsonString.Unquote(quoted));
}
{
var value = Utf8String.From("fuga\n ho５日本語ge");
var quoted = Utf8String.From("\"fuga\\n ho５日本語ge\"");
Assert.AreEqual(quoted, JsonString.Quote(value));
Assert.AreEqual(value, JsonString.Unquote(quoted));
}
}
[Test]
public void SplitTest()
{
{
var value = Utf8String.From("a/５/c");
var splited = value.Split((byte)'/').ToArray();
Assert.AreEqual(3, splited.Length);
Assert.AreEqual(splited[0], Utf8String.From("a"));
Assert.AreEqual(splited[1], Utf8String.From("５"));
Assert.AreEqual(splited[2], Utf8String.From("c"));
}
{
var value = Utf8String.From("/a/５/c/");
var splited = value.Split((byte)'/').ToArray();
Assert.AreEqual(4, splited.Length);
Assert.AreEqual(splited[0], Utf8String.From(""));
Assert.AreEqual(splited[1], Utf8String.From("a"));
Assert.AreEqual(splited[2], Utf8String.From("５"));
Assert.AreEqual(splited[3], Utf8String.From("c"));
}
}
[Test]
public void SplitIntegerTest()
{
Assert.AreEqual("1", Utf8String.From("1 ").SplitInteger().ToString());
Assert.AreEqual("123", Utf8String.From("123").SplitInteger().ToString());
Assert.Catch(() => Utf8String.From(" 1").SplitInteger());
Assert.AreEqual("+12", Utf8String.From("+12\n").SplitInteger().ToString());
Assert.AreEqual("-123", Utf8String.From("-123\n").SplitInteger().ToString());
}
[Test]
public void AtoiTest()
{
Assert.AreEqual(1234, Utf8String.From("1234").ToInt32());
}
[Test]
public void ToCharTest()
{
{
// 1byte
var c = 'A';
Assert.AreEqual(1, Utf8String.From(c.ToString()).GetFirst().CurrentByteLength);
Assert.AreEqual(c, Utf8String.From(c.ToString()).GetFirst().Unicode);
Assert.AreEqual(c, Utf8String.From(c.ToString()).GetFirst().Char);
}
{
// 2byte
var c = '¢';
Assert.AreEqual(2, Utf8String.From(c.ToString()).GetFirst().CurrentByteLength);
Assert.AreEqual(c, Utf8String.From(c.ToString()).GetFirst().Unicode);
Assert.AreEqual(c, Utf8String.From(c.ToString()).GetFirst().Char);
}
{
// 3byte
var c = '５';
Assert.AreEqual(3, Utf8String.From(c.ToString()).GetFirst().CurrentByteLength);
Assert.AreEqual(c, Utf8String.From(c.ToString()).GetFirst().Unicode);
Assert.AreEqual(c, Utf8String.From(c.ToString()).GetFirst().Char);
}
{
var c = '仡';
Assert.AreEqual(3, Utf8String.From(c.ToString()).GetFirst().CurrentByteLength);
Assert.AreEqual(c, Utf8String.From(c.ToString()).GetFirst().Unicode);
Assert.AreEqual(c, Utf8String.From(c.ToString()).GetFirst().Char);
}
{
// emoji
var s = "😃";
Assert.AreEqual(4, Utf8String.From(s).GetFirst().CurrentByteLength);
Assert.AreEqual(0x1F603, Utf8String.From(s).GetFirst().Unicode);
Assert.Catch(() =>
{
var a = Utf8String.From(s).GetFirst().Char;
});
}
}
[Test]
public void FromStringTest()
{
var buffer = new byte[12];
{
var src = "abc";
var utf8 = Utf8String.From(src, buffer);
Assert.AreEqual(3, utf8.ByteLength);
Assert.AreEqual(src, utf8.ToString());
}
{
var src = "¢";
var utf8 = Utf8String.From(src, buffer);
Assert.AreEqual(2, utf8.ByteLength);
Assert.AreEqual(src, utf8.ToString());
}
{
var src = "５";
var utf8 = Utf8String.From(src, buffer);
Assert.AreEqual(3, utf8.ByteLength);
Assert.AreEqual(src, utf8.ToString());
}
}
}
}