70 lines
1.5 KiB
Go
70 lines
1.5 KiB
Go
//go:build linux || darwin || freebsd
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// +build linux darwin freebsd
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package vfstest
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import (
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"runtime"
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"testing"
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"github.com/rclone/rclone/vfs/vfscommon"
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"github.com/stretchr/testify/assert"
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"golang.org/x/sys/unix"
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)
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// TestWriteFileDoubleClose tests double close on write
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func TestWriteFileDoubleClose(t *testing.T) {
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run.skipIfVFS(t)
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run.skipIfNoFUSE(t)
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if runtime.GOOS == "darwin" {
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t.Skip("Skipping test on OSX")
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}
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out, err := osCreate(run.path("testdoubleclose"))
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assert.NoError(t, err)
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fd := out.Fd()
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fd1, err := unix.Dup(int(fd))
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assert.NoError(t, err)
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fd2, err := unix.Dup(int(fd))
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assert.NoError(t, err)
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// close one of the dups - should produce no error
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err = unix.Close(fd1)
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assert.NoError(t, err)
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// write to the file
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buf := []byte("hello")
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n, err := out.Write(buf)
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assert.NoError(t, err)
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assert.Equal(t, 5, n)
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// close it
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err = out.Close()
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assert.NoError(t, err)
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// write to the other dup
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_, err = unix.Write(fd2, buf)
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if run.vfsOpt.CacheMode < vfscommon.CacheModeWrites {
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// produces an error if cache mode < writes
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assert.Error(t, err, "input/output error")
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} else {
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// otherwise does not produce an error
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assert.NoError(t, err)
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}
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// close the dup - should not produce an error
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err = unix.Close(fd2)
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assert.NoError(t, err)
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run.waitForWriters()
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run.rm(t, "testdoubleclose")
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}
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// writeTestDup performs the platform-specific implementation of the dup() unix
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func writeTestDup(oldfd uintptr) (uintptr, error) {
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newfd, err := unix.Dup(int(oldfd))
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return uintptr(newfd), err
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}
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