public void ZeroLengthSpanFromEmptyStringDoesNotStoreDataBuffer()
{
var span = new Utf8ByteSpan("");
Assert.Equal(0, span.Length);
Assert.Null(span.Data);
}
public void ZeroLengthSpanDoesNotStoreDataBuffer()
{
var span = new Utf8ByteSpan(new byte[100], 1, 0);
Assert.Equal(0, span.Length);
Assert.Null(span.Data);
}
public void SpanWithOffsetToString()
{
var s = "olé";
var bytes = Encoding.UTF8.GetBytes("zz" + s + "!");
var span = new Utf8ByteSpan(bytes, 2, bytes.Length - 3);
Assert.Equal(s, span.GetString());
}
public void SpanToString()
{
var s = "olé";
var bytes = Encoding.UTF8.GetBytes(s);
var span = new Utf8ByteSpan(bytes, 0, bytes.Length);
Assert.Equal(s, span.GetString());
}
public void ConstructorSetsSpanProperties()
{
var buf = new byte[100];
var span = new Utf8ByteSpan(buf, 1, 5);
Assert.Same(buf, span.Data);
Assert.Equal(1, span.Offset);
Assert.Equal(5, span.Length);
}
public void ConstructorFromString()
{
var s = "olé";
var bytes = Encoding.UTF8.GetBytes(s);
var span = new Utf8ByteSpan(s);
Assert.Equal(s, Encoding.UTF8.GetString(span.Data));
Assert.Equal(0, span.Offset);
Assert.Equal(bytes.Length, span.Length);
}
public void SpanEqualsSpan()
{
var span1 = new Utf8ByteSpan("abc");
var span2 = new Utf8ByteSpan("abc");
Assert.True(span1.Equals(span2));
var span3 = new Utf8ByteSpan(Encoding.UTF8.GetBytes("zzabc!"), 2, 3);
Assert.True(span1.Equals(span3));
var span4 = new Utf8ByteSpan("abd");
Assert.False(span1.Equals(span4));
}
public void SpanEqualsStringWithMultiByteCharacters()
{
var s = "olé";
var bytes = Encoding.UTF8.GetBytes("zz" + s + "!");
var span1 = new Utf8ByteSpan(s);
Assert.True(span1.Equals(s));
var span2 = new Utf8ByteSpan(bytes, 2, bytes.Length - 3);
Assert.True(span2.Equals(s));
var span3 = new Utf8ByteSpan("olè");
Assert.False(span3.Equals(s));
}