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author | Christopher Speller <crspeller@gmail.com> | 2017-09-29 12:46:30 -0700 |
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committer | GitHub <noreply@github.com> | 2017-09-29 12:46:30 -0700 |
commit | b84736e9b6401df0c6eeab9950bef09458a6aefd (patch) | |
tree | d9175208de3236db75a33879750a57b3000ba096 /vendor/github.com/spf13/afero/memmap_test.go | |
parent | 8b9dbb86133ff0fd6002a391268383d1593918ca (diff) | |
download | chat-b84736e9b6401df0c6eeab9950bef09458a6aefd.tar.gz chat-b84736e9b6401df0c6eeab9950bef09458a6aefd.tar.bz2 chat-b84736e9b6401df0c6eeab9950bef09458a6aefd.zip |
Updating server dependancies. (#7538)
Diffstat (limited to 'vendor/github.com/spf13/afero/memmap_test.go')
-rw-r--r-- | vendor/github.com/spf13/afero/memmap_test.go | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/vendor/github.com/spf13/afero/memmap_test.go b/vendor/github.com/spf13/afero/memmap_test.go index ca5abbca6..d28e91220 100644 --- a/vendor/github.com/spf13/afero/memmap_test.go +++ b/vendor/github.com/spf13/afero/memmap_test.go @@ -1,6 +1,7 @@ package afero import ( + "fmt" "os" "path/filepath" "runtime" @@ -343,3 +344,43 @@ func TestRacingDeleteAndClose(t *testing.T) { }() close(in) } + +// This test should be run with the race detector on: +// go test -run TestMemFsDataRace -race +func TestMemFsDataRace(t *testing.T) { + const dir = "test_dir" + fs := NewMemMapFs() + + if err := fs.MkdirAll(dir, 0777); err != nil { + t.Fatal(err) + } + + const n = 1000 + done := make(chan struct{}) + + go func() { + defer close(done) + for i := 0; i < n; i++ { + fname := filepath.Join(dir, fmt.Sprintf("%d.txt", i)) + if err := WriteFile(fs, fname, []byte(""), 0777); err != nil { + panic(err) + } + if err := fs.Remove(fname); err != nil { + panic(err) + } + } + }() + +loop: + for { + select { + case <-done: + break loop + default: + _, err := ReadDir(fs, dir) + if err != nil { + t.Fatal(err) + } + } + } +} |