public void Test06FileStream()
{
var tempPath = Path.GetTempPath();
string filePath;
using (var file = TempData.CreateFileStream())
{
filePath = file.Name;
Assert.IsTrue(File.Exists(filePath), "FileStream should exist");
Assert.That(tempPath, Does.StartWith(tempPath));
var file2 = TempData.CreateFileStream();
Assert.AreNotEqual(file.Name, file2.Name, "Path should not match");
Assert.IsTrue(File.Exists(file2.Name), "File should exist");
file2.Dispose();
AssertDisposed(() => file2.Length);
}
Assert.IsFalse(File.Exists(filePath), "FileStream should NOT exist");
// test for cleanup if leaked
{
var file2 = TempData.CreateFileStream();
var file2Path = file2.Name;
Assert.AreNotEqual(filePath, file2Path, "Path should not match");
Assert.IsTrue(File.Exists(file2.Name), "FileStream should exist");
GC.KeepAlive(file2);
// clear GC root for a debug build
// ReSharper disable once RedundantAssignment
file2 = null;
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
Assert.IsFalse(File.Exists(file2Path), "FileStream should NOT exist");
}
}
public void TestDirectoryExists()
{
Exception ex;
string dirPath;
using (var dir = TempData.CreateDirectory())
{
dirPath = dir.Path;
Assert.DoesNotThrow(() => IoCode.DirectoryExists(dir.Path, "arg00"));
ex = Assert.Throws <IOException>(() => IoCode.PathIsFree(dirPath));
Assert.That(ex.Message, Does.Contain(dirPath));
ex = Assert.Throws <FileNotFoundException>(() => IoCode.FileExists(dirPath, "arg00"));
Assert.That(ex.Message, Does.Contain("arg00"));
Assert.That(ex.Message, Does.Contain("is a directory"));
Assert.That(ex.Message, Does.Contain(dirPath));
}
Assert.DoesNotThrow(() => IoCode.PathIsFree(dirPath));
ex = Assert.Throws <DirectoryNotFoundException>(() => IoCode.DirectoryExists(dirPath, "arg00"));
Assert.That(ex.Message, Does.Contain("arg00"));
Assert.That(ex.Message, Does.Contain(dirPath));
}
