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31 lines
638 B
Go
31 lines
638 B
Go
package fs_test
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import (
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"testing"
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"bazil.org/fuse/fs/fstestutil"
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"golang.org/x/sys/unix"
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)
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type exchangeData struct {
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fstestutil.File
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// this struct cannot be zero size or multiple instances may look identical
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_ int
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}
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func TestExchangeDataNotSupported(t *testing.T) {
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t.Parallel()
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mnt, err := fstestutil.MountedT(t, fstestutil.SimpleFS{&fstestutil.ChildMap{
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"one": &exchangeData{},
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"two": &exchangeData{},
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}}, nil)
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if err != nil {
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t.Fatal(err)
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}
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defer mnt.Close()
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if err := unix.Exchangedata(mnt.Dir+"/one", mnt.Dir+"/two", 0); err != unix.ENOTSUP {
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t.Fatalf("expected ENOTSUP from exchangedata: %v", err)
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}
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}
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