public void Lines_OptionsInvalid()
{
TextReader s = new StringReader ("");
s.Lines ((TextReaderCodaOptions) (-1));
}
/// <summary>
/// Enumerates the lines of text inside the string.
/// </summary>
///
/// <param name="input">
/// The string to process on a line-by-line basis.
/// </param>
///
/// <returns>
/// An enumeration of the lines contained in <paramref name="input"/>.
/// </returns>
public static IEnumerable<string> Lines(this string input)
{
using (var sr = new StringReader(input))
{
foreach (var line in sr.Lines())
{
yield return line;
}
}
}
public void lines()
{
Assert.Throws<ArgumentNullException>(() => StreamExtensions.Lines(null));
using (var reader = new StringReader(string.Empty))
{
Assert.False(reader.Lines().Any());
Assert.Equal(-1, reader.Read());
}
using (var reader = new StringReader(string.Empty))
{
Assert.False(reader.Lines(true).Any());
Assert.Throws<ObjectDisposedException>(() => reader.Read());
}
using (var reader = new StringReader($"First{Environment.NewLine}Second{Environment.NewLine}"))
{
var lines = reader.Lines();
Assert.Equal(3, lines.Count());
Assert.Equal("First", lines[0]);
Assert.Equal("Second", lines[1]);
Assert.Equal(string.Empty, lines[2]);
Assert.False(reader.Lines().Any());
Assert.Equal(-1, reader.Read());
}
}