If test would fail, the error message will have wrong error and its
type, because e is used after the failed type assertion.
To fix, use the original err.
While at it,
- combine the checks for error type and value into one statement;
- use the standard "got ..., want ..." format.
Fixes: 212d2f82e050 ("os: add ErrClosed, return for use of closed File")
Change-Id: I862a96607b461ab89cce6bed2443b28aa2c16468
Reviewed-on: https://go-review.googlesource.com/c/go/+/428915 Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com> Reviewed-by: Michael Knyszek <mknyszek@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>