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51 lines
1.0 KiB
Go
51 lines
1.0 KiB
Go
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// +build linux darwin freebsd
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package mounttest
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import (
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"os"
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"syscall"
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"testing"
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"github.com/stretchr/testify/assert"
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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.skipIfNoFUSE(t)
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out, err := os.Create(run.path("testdoubleclose"))
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assert.NoError(t, err)
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fd := out.Fd()
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fd1, err := syscall.Dup(int(fd))
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assert.NoError(t, err)
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fd2, err := syscall.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 = syscall.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 - should produce an error
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n, err = syscall.Write(fd2, buf)
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assert.Error(t, err, "input/output error")
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// close the dup - should produce an error
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err = syscall.Close(fd2)
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assert.Error(t, err, "input/output error")
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run.rm(t, "testdoubleclose")
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}
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