diff options
Diffstat (limited to 'src/pkg/runtime/race/testdata/mutex_test.go')
-rw-r--r-- | src/pkg/runtime/race/testdata/mutex_test.go | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/src/pkg/runtime/race/testdata/mutex_test.go b/src/pkg/runtime/race/testdata/mutex_test.go deleted file mode 100644 index 3cf03ae6b..000000000 --- a/src/pkg/runtime/race/testdata/mutex_test.go +++ /dev/null @@ -1,138 +0,0 @@ -// Copyright 2012 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 race_test - -import ( - "sync" - "testing" - "time" -) - -func TestNoRaceMutex(t *testing.T) { - var mu sync.Mutex - var x int16 = 0 - ch := make(chan bool, 2) - go func() { - mu.Lock() - defer mu.Unlock() - x = 1 - ch <- true - }() - go func() { - mu.Lock() - x = 2 - mu.Unlock() - ch <- true - }() - <-ch - <-ch -} - -func TestRaceMutex(t *testing.T) { - var mu sync.Mutex - var x int16 = 0 - ch := make(chan bool, 2) - go func() { - x = 1 - mu.Lock() - defer mu.Unlock() - ch <- true - }() - go func() { - x = 2 - mu.Lock() - mu.Unlock() - ch <- true - }() - <-ch - <-ch -} - -func TestRaceMutex2(t *testing.T) { - var mu1 sync.Mutex - var mu2 sync.Mutex - var x int8 = 0 - ch := make(chan bool, 2) - go func() { - mu1.Lock() - defer mu1.Unlock() - x = 1 - ch <- true - }() - go func() { - mu2.Lock() - x = 2 - mu2.Unlock() - ch <- true - }() - <-ch - <-ch -} - -func TestNoRaceMutexPureHappensBefore(t *testing.T) { - var mu sync.Mutex - var x int16 = 0 - ch := make(chan bool, 2) - go func() { - x = 1 - mu.Lock() - mu.Unlock() - ch <- true - }() - go func() { - <-time.After(1e5) - mu.Lock() - mu.Unlock() - x = 1 - ch <- true - }() - <-ch - <-ch -} - -func TestNoRaceMutexSemaphore(t *testing.T) { - var mu sync.Mutex - ch := make(chan bool, 2) - x := 0 - mu.Lock() - go func() { - x = 1 - mu.Unlock() - ch <- true - }() - go func() { - mu.Lock() - x = 2 - mu.Unlock() - ch <- true - }() - <-ch - <-ch -} - -// from doc/go_mem.html -func TestNoRaceMutexExampleFromHtml(t *testing.T) { - var l sync.Mutex - a := "" - - l.Lock() - go func() { - a = "hello, world" - l.Unlock() - }() - l.Lock() - _ = a -} - -func TestRaceMutexOverwrite(t *testing.T) { - c := make(chan bool, 1) - var mu sync.Mutex - go func() { - mu = sync.Mutex{} - c <- true - }() - mu.Lock() - <-c -} |