/// <exception cref="System.Exception"/>
public virtual void TestOpenWithCreate()
{
if (Path.Windows)
{
return;
}
Log.Info("Test creating a file with O_CREAT");
FileDescriptor fd = NativeIO.POSIX.Open(new FilePath(TestDir, "testWorkingOpen").
GetAbsolutePath(), NativeIO.POSIX.OWronly | NativeIO.POSIX.OCreat, 0x1c0);
NUnit.Framework.Assert.IsNotNull(true);
Assert.True(fd.Valid());
FileOutputStream fos = new FileOutputStream(fd);
fos.Write(Runtime.GetBytesForString("foo"));
fos.Close();
NUnit.Framework.Assert.IsFalse(fd.Valid());
Log.Info("Test exclusive create");
try
{
fd = NativeIO.POSIX.Open(new FilePath(TestDir, "testWorkingOpen").GetAbsolutePath
(), NativeIO.POSIX.OWronly | NativeIO.POSIX.OCreat | NativeIO.POSIX.OExcl, 0x1c0
);
NUnit.Framework.Assert.Fail("Was able to create existing file with O_EXCL");
}
catch (NativeIOException nioe)
{
Log.Info("Got expected exception for failed exclusive create", nioe);
Assert.Equal(Errno.Eexist, nioe.GetErrno());
}
}
/// <summary>
/// Test that opens and closes a file 10000 times - this would crash with
/// "Too many open files" if we leaked fds using this access pattern.
/// </summary>
/// <exception cref="System.IO.IOException"/>
public virtual void TestFDDoesntLeak()
{
if (Path.Windows)
{
return;
}
for (int i = 0; i < 10000; i++)
{
FileDescriptor fd = NativeIO.POSIX.Open(new FilePath(TestDir, "testNoFdLeak").GetAbsolutePath
(), NativeIO.POSIX.OWronly | NativeIO.POSIX.OCreat, 0x1c0);
NUnit.Framework.Assert.IsNotNull(true);
Assert.True(fd.Valid());
FileOutputStream fos = new FileOutputStream(fd);
fos.Write(Runtime.GetBytesForString("foo"));
fos.Close();
}
}