public void Throws_If_Adding_Invalid_Dir_Name(string dirName)
{
var dirBuilder = new DirectoryBuilder(Path.GetTempPath());
var exception = Assert.Throws <ArgumentException>(() =>
{
dirBuilder.AddSubdirectoryAndStay(dirName);
});
Assert.Equal("directoryName", exception.ParamName);
Assert.Contains("Directory name can't contains invalid chars", exception.Message);
exception = Assert.Throws <ArgumentException>(() =>
{
dirBuilder.AddSubdirectoryAndEnter(dirName);
});
Assert.Equal("directoryName", exception.ParamName);
Assert.Contains("Directory name can't contains invalid chars", exception.Message);
}