t.Fatal("Key[0] is not using P-256 curve")
	} else if !bytes.Equal(key0.X.Bytes(), []byte{
		0x30, 0xa0, 0x42, 0x4c, 0xd2,
		0x1c, 0x29, 0x44, 0x83, 0x8a, 0x2d, 0x75, 0xc9, 0x2b, 0x37, 0xe7, 0x6e, 0xa2,
		0xd, 0x9f, 0x0, 0x89, 0x3a, 0x3b, 0x4e, 0xee, 0x8a, 0x3c, 0xa, 0xaf, 0xec, 0x3e,
	}) {
		t.Fatalf("Bad key[0].X, got %v", key0.X.Bytes())
	} else if !bytes.Equal(key0.Y.Bytes(), []byte{
		0xe0, 0x4b, 0x65, 0xe9, 0x24,

        when(cfg.isTraceResourceUsage()).thenReturn(false);
        stubValidTree(6L, true, false); // SMB1

        SmbFileHandleImpl h = new SmbFileHandleImpl(cfg, 42, tree, "//s/share", 0xA, 0xB, 0xC, 0xD, 0L);

        long lastWrite = 123456789L;
        h.close(lastWrite);

        // Verify SMB1 close path uses request + response overload