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audio: Add test for negative position

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This commit is contained in:
Hajime Hoshi 2018-07-23 04:01:43 +09:00
parent 0d5924b448
commit 6a1afe8fbe
2 changed files with 8 additions and 0 deletions
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3
audio/loop.go
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@ -60,6 +60,9 @@ func (i *InfiniteLoop) Seek(offset int64, whence int) (int64, error) {
case io.SeekEnd: case io.SeekEnd:
return 0, fmt.Errorf("audio: whence must be io.SeekStart or io.SeekCurrent for InfiniteLoop") return 0, fmt.Errorf("audio: whence must be io.SeekStart or io.SeekCurrent for InfiniteLoop")
} }
if next < 0 {
return 0, fmt.Errorf("audio: position must >= 0")
}
next %= i.size next %= i.size
pos, err := i.stream.Seek(next, io.SeekStart) pos, err := i.stream.Seek(next, io.SeekStart)
if err != nil { if err != nil {

5
audio/loop_test.go
View File

@ -72,4 +72,9 @@ func TestInfiniteLoop(t *testing.T) {
t.Errorf("index: %d, got: %v, want: %v", i, got, want) t.Errorf("index: %d, got: %v, want: %v", i, got, want)
} }
} }
// Seek to negative position is an error.
if _, err := l.Seek(-1, io.SeekStart); err == nil {
t.Errorf("got: %v, want: %v", err, nil)
}
} }