From 43a123c1ae6613b3efeed291fa552ecd909d3acf Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 21:23:18 +0200 Subject: Adding upstream version 1.20.14. Signed-off-by: Daniel Baumann --- src/internal/poll/error_test.go | 51 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 src/internal/poll/error_test.go (limited to 'src/internal/poll/error_test.go') diff --git a/src/internal/poll/error_test.go b/src/internal/poll/error_test.go new file mode 100644 index 0000000..abc8b16 --- /dev/null +++ b/src/internal/poll/error_test.go @@ -0,0 +1,51 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package poll_test + +import ( + "fmt" + "io/fs" + "net" + "os" + "testing" + "time" +) + +func TestReadError(t *testing.T) { + t.Run("ErrNotPollable", func(t *testing.T) { + f, err := badStateFile() + if err != nil { + t.Skip(err) + } + defer f.Close() + + // Give scheduler a chance to have two separated + // goroutines: an event poller and an event waiter. + time.Sleep(100 * time.Millisecond) + + var b [1]byte + _, err = f.Read(b[:]) + if perr := parseReadError(err, isBadStateFileError); perr != nil { + t.Fatal(perr) + } + }) +} + +func parseReadError(nestedErr error, verify func(error) (string, bool)) error { + err := nestedErr + if nerr, ok := err.(*net.OpError); ok { + err = nerr.Err + } + if nerr, ok := err.(*fs.PathError); ok { + err = nerr.Err + } + if nerr, ok := err.(*os.SyscallError); ok { + err = nerr.Err + } + if s, ok := verify(err); !ok { + return fmt.Errorf("got %v; want %s", nestedErr, s) + } + return nil +} -- cgit v1.2.3