FlushFSTest.CloseReports_MultipleTimes_NonOverlappingFileHandles
parent
59c2823005
commit
b8ce0bcb8d
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@ -234,7 +234,56 @@ func (t *FlushFSTest) CloseReports_WriteOnly() {
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}
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func (t *FlushFSTest) CloseReports_MultipleTimes_NonOverlappingFileHandles() {
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AssertTrue(false, "TODO")
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var n int
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var err error
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// Open the file.
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f, err := os.OpenFile(path.Join(t.Dir, "foo"), os.O_WRONLY, 0)
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AssertEq(nil, err)
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defer func() {
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if f != nil {
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ExpectEq(nil, f.Close())
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}
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}()
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// Write some contents to the file.
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n, err = f.Write([]byte("taco"))
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AssertEq(nil, err)
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AssertEq(4, n)
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// At this point, no flushes or fsyncs should have happened.
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AssertThat(t.getFlushes(), ElementsAre())
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AssertThat(t.getFsyncs(), ElementsAre())
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// Close the file.
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err = f.Close()
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f = nil
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AssertEq(nil, err)
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// Now we should have received the flush operation (but still no fsync).
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AssertThat(t.getFlushes(), ElementsAre(byteSliceEq("taco")))
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AssertThat(t.getFsyncs(), ElementsAre())
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// Open the file again.
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f, err = os.OpenFile(path.Join(t.Dir, "foo"), os.O_WRONLY, 0)
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AssertEq(nil, err)
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// Write again; expect no further flushes.
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n, err = f.Write([]byte("p"))
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AssertEq(nil, err)
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AssertEq(1, n)
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AssertThat(t.getFlushes(), ElementsAre(byteSliceEq("taco")))
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AssertThat(t.getFsyncs(), ElementsAre())
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// Close the file. Now the new contents should be flushed.
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err = f.Close()
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f = nil
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AssertEq(nil, err)
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AssertThat(t.getFlushes(), ElementsAre(byteSliceEq("taco"), byteSliceEq("paco")))
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AssertThat(t.getFsyncs(), ElementsAre())
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}
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func (t *FlushFSTest) CloseReports_MultipleTimes_OverlappingFileHandles() {
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