fileutil: test some fallback functionality
syscall.Flock fallback and preallocExtendTruncrelease-3.3
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4c5f9e0910
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c3fcf0f339
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// Copyright 2017 The etcd Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// +build linux
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package fileutil
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import "testing"
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// TestLockAndUnlockSyscallFlock tests the fallback flock using the flock syscall.
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func TestLockAndUnlockSyscallFlock(t *testing.T) {
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oldTryLock, oldLock := linuxTryLockFile, linuxLockFile
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defer func() {
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linuxTryLockFile, linuxLockFile = oldTryLock, oldLock
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}()
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linuxTryLockFile, linuxLockFile = flockTryLockFile, flockLockFile
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TestLockAndUnlock(t)
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}
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@ -20,10 +20,20 @@ import (
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"testing"
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)
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func TestPreallocateExtend(t *testing.T) { runPreallocTest(t, testPreallocateExtend) }
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func testPreallocateExtend(t *testing.T, f *os.File) {
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func TestPreallocateExtend(t *testing.T) {
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pf := func(f *os.File, sz int64) error { return Preallocate(f, sz, true) }
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tf := func(t *testing.T, f *os.File) { testPreallocateExtend(t, f, pf) }
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runPreallocTest(t, tf)
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}
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func TestPreallocateExtendTrunc(t *testing.T) {
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tf := func(t *testing.T, f *os.File) { testPreallocateExtend(t, f, preallocExtendTrunc) }
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runPreallocTest(t, tf)
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}
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func testPreallocateExtend(t *testing.T, f *os.File, pf func(*os.File, int64) error) {
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size := int64(64 * 1000)
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if err := Preallocate(f, size, true); err != nil {
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if err := pf(f, size); err != nil {
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t.Fatal(err)
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}
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