[corlib] Add an exhaustive regression test for file sharing and File.Move.

diff --git a/mcs/class/corlib/Test/System.IO/FileTest.cs b/mcs/class/corlib/Test/System.IO/FileTest.cs
index 6267439aed26efa4406e56557551b5a9a4bd3df5..112978ae8b7684f5e1af71eff32e3063a4b6ad17 100644 (file)
--- a/mcs/class/corlib/Test/System.IO/FileTest.cs
+++ b/mcs/class/corlib/Test/System.IO/FileTest.cs
@@ -2760,5 +2760,53 @@ namespace MonoTests.System.IO
                        }
                }
 #endif
+
+               void MoveTest (FileAccess acc, FileShare share, bool works)
+               {
+                       var file = "kk597rfdnllh89";
+
+                       File.Delete (file + ".old");
+                       using (var v = File.Create (file)) { }
+
+                       using (var stream = new FileStream(file, FileMode.Open, acc, share, 4096, FileOptions.SequentialScan)) {
+                               try {
+                                       File.Move(file, file + ".old");
+                                       if (!works)
+                                               Assert.Fail ("Move with ({0}) and  ({1}) did not fail", acc, share);
+                               } catch (IOException) {
+                                       if (works)
+                                               Assert.Fail ("Move with ({0}) and  ({1}) did fail", acc, share);
+                               }
+                       }
+               }
+
+               [Test]
+               public void MoveTest ()
+               {
+                       MoveTest (FileAccess.Read, FileShare.None, false);
+                       MoveTest (FileAccess.Read, FileShare.Read, false);
+                       MoveTest (FileAccess.Read, FileShare.Write, false);
+                       MoveTest (FileAccess.Read, FileShare.ReadWrite, false);
+                       MoveTest (FileAccess.Read, FileShare.Delete, true);
+                       MoveTest (FileAccess.Read, FileShare.Read | FileShare.Delete, true);
+                       MoveTest (FileAccess.Read, FileShare.Write | FileShare.Delete, true);
+                       MoveTest (FileAccess.Read, FileShare.ReadWrite | FileShare.Delete, true);
+                       MoveTest (FileAccess.Write, FileShare.None, false);
+                       MoveTest (FileAccess.Write, FileShare.Read, false);
+                       MoveTest (FileAccess.Write, FileShare.Write, false);
+                       MoveTest (FileAccess.Write, FileShare.ReadWrite, false);
+                       MoveTest (FileAccess.Write, FileShare.Delete, true);
+                       MoveTest (FileAccess.Write, FileShare.Read | FileShare.Delete, true);
+                       MoveTest (FileAccess.Write, FileShare.Write | FileShare.Delete, true);
+                       MoveTest (FileAccess.Write, FileShare.ReadWrite | FileShare.Delete, true);
+                       MoveTest (FileAccess.ReadWrite, FileShare.None, false);
+                       MoveTest (FileAccess.ReadWrite, FileShare.Read, false);
+                       MoveTest (FileAccess.ReadWrite, FileShare.Write, false);
+                       MoveTest (FileAccess.ReadWrite, FileShare.ReadWrite, false);
+                       MoveTest (FileAccess.ReadWrite, FileShare.Delete, true);
+                       MoveTest (FileAccess.ReadWrite, FileShare.Read | FileShare.Delete, true);
+                       MoveTest (FileAccess.ReadWrite, FileShare.Write | FileShare.Delete, true);
+                       MoveTest (FileAccess.ReadWrite, FileShare.ReadWrite | FileShare.Delete, true);
+               }
        }
 }