public void virtual_string_out_of_range_issue_7()
{
using (Stream stream = new StupidStream())
{
var v = new VirtualString(stream, 0, 256);
{
// Reproduces: https://github.com/Invenietis/CK-Text/issues/7
v.GetText(6810, 1).Should().Be(StupidStream.CharAt(6810).ToString());
v.Invoking(_ => _.GetText(7042, 24)).Should().NotThrow();
}
// Since we are here, a little systematic stress test:
for (int start = 0; start < 300; ++start)
{
for (int width = 2; width < 300; ++width)
{
v.Invoking(_ => _.GetText(start, width)).Should().NotThrow();
}
}
}
}
public void virtual_string_does_not_support_multibyte_characters()
{
Assume.That(false, "VirtualString does not support multi-byte characters.");
var encoding = new UTF8Encoding(false);
// i = 0 to 25: Single-byte
// i = 26 and 27: Multi-byte
// i = 28 to 53: Single-byte
string testStr = @"ABCDEFGHIJKLMNOPQRSTUVWXYZüABCDEFGHIJKLMNOPQRSTUVWXYZ";
byte[] utf8bytes = encoding.GetBytes(testStr);
using (MemoryStream ms = new MemoryStream())
{
ms.Write(utf8bytes);
ms.Position = 0;
var v = new VirtualString(ms, 0, 256, encoding);
{
v.Invoking(_ => _.GetText(0, utf8bytes.Length)).Should().NotThrow(); // ArgumentOutOfRangeException
}
}
}