public void Test_FromString_FullPermissions()
{
var set = FilePermissionSet.FromString("rwx");
Assert.IsTrue(set.CanRead);
Assert.IsTrue(set.CanWrite);
Assert.IsTrue(set.CanExecute);
Assert.AreEqual(7, set.NumericValue);
}
public void Test_FromString_NullInput()
{
var set = FilePermissionSet.FromString(null);
Assert.IsFalse(set.CanRead);
Assert.IsFalse(set.CanWrite);
Assert.IsFalse(set.CanExecute);
Assert.AreEqual(0, set.NumericValue);
Assert.AreEqual("---", set.ToString());
}
public void Test_FromString_ReadAndExecute()
{
var set = FilePermissionSet.FromString("r-x");
Assert.IsTrue(set.CanRead);
Assert.IsFalse(set.CanWrite);
Assert.IsTrue(set.CanExecute);
Assert.AreEqual(5, set.NumericValue);
Assert.AreEqual("r-x", set.ToString());
}
public void Test_FromString_WriteOnly()
{
var set = FilePermissionSet.FromString("-w-");
Assert.IsFalse(set.CanRead);
Assert.IsTrue(set.CanWrite);
Assert.IsFalse(set.CanExecute);
Assert.AreEqual(2, set.NumericValue);
Assert.AreEqual("-w-", set.ToString());
}
public void Test_FromString_InvalidInput()
{
var set = FilePermissionSet.FromString("------abc123");
}