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PosixTest.ReadsPastEndOfFile

geesefs-0-30-9
Aaron Jacobs 2015-03-05 19:26:24 +11:00
parent 95a89e5302
commit fcf3be2896
1 changed files with 30 additions and 8 deletions
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38
samples/memfs/posix_test.go
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@ -218,14 +218,36 @@ func (t *PosixTest) WriteAtDoesntChangeOffset_AppendMode() {
ExpectEq(4, offset)
}
func (t *PosixTest) ReadOverlapsEndOfFile() {
AssertTrue(false, "TODO")
}
func (t *PosixTest) ReadsPastEndOfFile() {
var err error
var n int
buf := make([]byte, 1024)
func (t *PosixTest) ReadStartsAtEndOfFile() {
AssertTrue(false, "TODO")
}
// Create a file.
f, err := os.Create(path.Join(t.dir, "foo"))
t.toClose = append(t.toClose, f)
AssertEq(nil, err)
func (t *PosixTest) ReadStartsPastEndOfFile() {
AssertTrue(false, "TODO")
// Give it some contents.
n, err = f.Write([]byte("taco"))
AssertEq(nil, err)
AssertEq(4, n)
// Read a range overlapping EOF.
n, err = f.ReadAt(buf[:4], 2)
AssertEq(io.EOF, err)
ExpectEq(2, n)
ExpectEq("co", string(buf[:n]))
// Read a range starting at EOF.
n, err = f.ReadAt(buf[:4], 4)
AssertEq(io.EOF, err)
ExpectEq(0, n)
ExpectEq("", string(buf[:n]))
// Read a range starting past EOF.
n, err = f.ReadAt(buf[:4], 100)
AssertEq(io.EOF, err)
ExpectEq(0, n)
ExpectEq("", string(buf[:n]))
}