From 12f4118437584c4a0e4738b9dde3e1885cef3de8 Mon Sep 17 00:00:00 2001 From: Tamir Duberstein Date: Tue, 1 Jun 2021 17:45:10 -0700 Subject: Move sync generics to their own packages The presence of multiple packages in a single directory sometimes confuses `go mod`, producing output like: go: downloading gvisor.dev/gvisor v0.0.0-20210601174640-77dc0f5bc94d $GOMODCACHE/gvisor.dev/gvisor@v0.0.0-20210601174640-77dc0f5bc94d/pkg/linewriter/linewriter.go:21:2: found packages sync (aliases.go) and seqatomic (generic_atomicptr_unsafe.go) in $GOMODCACHE/gvisor.dev/gvisor@v0.0.0-20210601174640-77dc0f5bc94d/pkg/sync imports.go:67:2: found packages tcp (accept.go) and rcv (rcv_test.go) in $GOMODCACHE/gvisor.dev/gvisor@v0.0.0-20210601174640-77dc0f5bc94d/pkg/tcpip/transport/tcp PiperOrigin-RevId: 376956213 --- pkg/sync/atomicptr/atomicptr_test.go | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 pkg/sync/atomicptr/atomicptr_test.go (limited to 'pkg/sync/atomicptr/atomicptr_test.go') diff --git a/pkg/sync/atomicptr/atomicptr_test.go b/pkg/sync/atomicptr/atomicptr_test.go new file mode 100644 index 000000000..8fdc5112e --- /dev/null +++ b/pkg/sync/atomicptr/atomicptr_test.go @@ -0,0 +1,31 @@ +// Copyright 2019 The gVisor Authors. +// +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package atomicptr + +import ( + "testing" +) + +func newInt(val int) *int { + return &val +} + +func TestAtomicPtr(t *testing.T) { + var p AtomicPtrInt + if got := p.Load(); got != nil { + t.Errorf("initial value is %p (%v), wanted nil", got, got) + } + want := newInt(42) + p.Store(want) + if got := p.Load(); got != want { + t.Errorf("wrong value: got %p (%v), wanted %p (%v)", got, got, want, want) + } + want = newInt(100) + p.Store(want) + if got := p.Load(); got != want { + t.Errorf("wrong value: got %p (%v), wanted %p (%v)", got, got, want, want) + } +} -- cgit v1.2.3