public void Regress_Mutation_SubstringOnLastPageWorks()
{
Stream stream = StreamHelpers.StringToStream("abcdefg" + new String('x', StreamMappedString.DefaultPageSize));
StreamMappedString s = new StreamMappedString(stream, false);
// Move to the second page
s.GetAt(StreamMappedString.DefaultPageSize);
// Get a string from the firstPage
Assert.AreEqual("abc", s.Substring(0, 3));
}
internal string GetCurrentMatchedString(int startPosition)
{
return(_sources.Substring(startPosition, _position - startPosition));
}
public void Regress_Mutation_SubstringReadPastEndThrowsException()
{
Stream stream = StreamHelpers.StringToStream("abcdefg");
StreamMappedString s = new StreamMappedString(stream, false);
Assert.AreEqual(String.Empty, s.Substring(1, 30));
}
public void Regress_Mutation_SubstringWorksFromPriorPage()
{
Stream stream = StreamHelpers.StringToStream("abcxdef");
StreamMappedString s = new StreamMappedString(stream, false, 7);
// Move to the last page
s.GetAt(7);
// And then extract a string from the beginning page.
Assert.AreEqual("abcxdef", s.Substring(0, 7));
}
public void Regress_Mutation_SubstringWorksWithPageSizeOne()
{
Stream stream = StreamHelpers.StringToStream("abcdefg");
StreamMappedString s = new StreamMappedString(stream, false, /* pageSize */ 1);
Assert.AreEqual("bcd", s.Substring(1, 3));
}
public void Regress_Mutation_SubstringReadPastEndThrowsException()
{
Assert.Throws<ArgumentOutOfRangeException>(() =>
{
Stream stream = StreamHelpers.StringToStream("abcdefg");
StreamMappedString s = new StreamMappedString(stream, false);
Assert.Equal(String.Empty, s.Substring(1, 30));
}
);
}
public void Regress_Mutation_SubstringWorks()
{
Stream stream = StreamHelpers.StringToStream("abcdefg");
StreamMappedString s = new StreamMappedString(stream, false);
Assert.Equal("bcd", s.Substring(1, 3));
}
