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-rw-r--r--device/alignment_test.go65
1 files changed, 0 insertions, 65 deletions
diff --git a/device/alignment_test.go b/device/alignment_test.go
deleted file mode 100644
index a918112..0000000
--- a/device/alignment_test.go
+++ /dev/null
@@ -1,65 +0,0 @@
-/* SPDX-License-Identifier: MIT
- *
- * Copyright (C) 2017-2021 WireGuard LLC. All Rights Reserved.
- */
-
-package device
-
-import (
- "reflect"
- "testing"
- "unsafe"
-)
-
-func checkAlignment(t *testing.T, name string, offset uintptr) {
- t.Helper()
- if offset%8 != 0 {
- t.Errorf("offset of %q within struct is %d bytes, which does not align to 64-bit word boundaries (missing %d bytes). Atomic operations will crash on 32-bit systems.", name, offset, 8-(offset%8))
- }
-}
-
-// TestPeerAlignment checks that atomically-accessed fields are
-// aligned to 64-bit boundaries, as required by the atomic package.
-//
-// Unfortunately, violating this rule on 32-bit platforms results in a
-// hard segfault at runtime.
-func TestPeerAlignment(t *testing.T) {
- var p Peer
-
- typ := reflect.TypeOf(&p).Elem()
- t.Logf("Peer type size: %d, with fields:", typ.Size())
- for i := 0; i < typ.NumField(); i++ {
- field := typ.Field(i)
- t.Logf("\t%30s\toffset=%3v\t(type size=%3d, align=%d)",
- field.Name,
- field.Offset,
- field.Type.Size(),
- field.Type.Align(),
- )
- }
-
- checkAlignment(t, "Peer.stats", unsafe.Offsetof(p.stats))
- checkAlignment(t, "Peer.isRunning", unsafe.Offsetof(p.isRunning))
-}
-
-// TestDeviceAlignment checks that atomically-accessed fields are
-// aligned to 64-bit boundaries, as required by the atomic package.
-//
-// Unfortunately, violating this rule on 32-bit platforms results in a
-// hard segfault at runtime.
-func TestDeviceAlignment(t *testing.T) {
- var d Device
-
- typ := reflect.TypeOf(&d).Elem()
- t.Logf("Device type size: %d, with fields:", typ.Size())
- for i := 0; i < typ.NumField(); i++ {
- field := typ.Field(i)
- t.Logf("\t%30s\toffset=%3v\t(type size=%3d, align=%d)",
- field.Name,
- field.Offset,
- field.Type.Size(),
- field.Type.Align(),
- )
- }
- checkAlignment(t, "Device.rate.underLoadUntil", unsafe.Offsetof(d.rate)+unsafe.Offsetof(d.rate.underLoadUntil))
-}