1 files changed, 0 insertions, 148 deletions
diff --git a/src/pkg/sync/waitgroup_test.go b/src/pkg/sync/waitgroup_test.go
deleted file mode 100644
index 4c0a043c0..000000000
--- a/src/pkg/sync/waitgroup_test.go
+++ /dev/null
@@ -1,148 +0,0 @@
-// Copyright 2011 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 sync_test
-
-import (
-	. "sync"
-	"sync/atomic"
-	"testing"
-)
-
-func testWaitGroup(t *testing.T, wg1 *WaitGroup, wg2 *WaitGroup) {
-	n := 16
-	wg1.Add(n)
-	wg2.Add(n)
-	exited := make(chan bool, n)
-	for i := 0; i != n; i++ {
-		go func(i int) {
-			wg1.Done()
-			wg2.Wait()
-			exited <- true
-		}(i)
-	}
-	wg1.Wait()
-	for i := 0; i != n; i++ {
-		select {
-		case <-exited:
-			t.Fatal("WaitGroup released group too soon")
-		default:
-		}
-		wg2.Done()
-	}
-	for i := 0; i != n; i++ {
-		<-exited // Will block if barrier fails to unlock someone.
-	}
-}
-
-func TestWaitGroup(t *testing.T) {
-	wg1 := &WaitGroup{}
-	wg2 := &WaitGroup{}
-
-	// Run the same test a few times to ensure barrier is in a proper state.
-	for i := 0; i != 8; i++ {
-		testWaitGroup(t, wg1, wg2)
-	}
-}
-
-func TestWaitGroupMisuse(t *testing.T) {
-	defer func() {
-		err := recover()
-		if err != "sync: negative WaitGroup counter" {
-			t.Fatalf("Unexpected panic: %#v", err)
-		}
-	}()
-	wg := &WaitGroup{}
-	wg.Add(1)
-	wg.Done()
-	wg.Done()
-	t.Fatal("Should panic")
-}
-
-func TestWaitGroupRace(t *testing.T) {
-	// Run this test for about 1ms.
-	for i := 0; i < 1000; i++ {
-		wg := &WaitGroup{}
-		n := new(int32)
-		// spawn goroutine 1
-		wg.Add(1)
-		go func() {
-			atomic.AddInt32(n, 1)
-			wg.Done()
-		}()
-		// spawn goroutine 2
-		wg.Add(1)
-		go func() {
-			atomic.AddInt32(n, 1)
-			wg.Done()
-		}()
-		// Wait for goroutine 1 and 2
-		wg.Wait()
-		if atomic.LoadInt32(n) != 2 {
-			t.Fatal("Spurious wakeup from Wait")
-		}
-	}
-}
-
-func BenchmarkWaitGroupUncontended(b *testing.B) {
-	type PaddedWaitGroup struct {
-		WaitGroup
-		pad [128]uint8
-	}
-	b.RunParallel(func(pb *testing.PB) {
-		var wg PaddedWaitGroup
-		for pb.Next() {
-			wg.Add(1)
-			wg.Done()
-			wg.Wait()
-		}
-	})
-}
-
-func benchmarkWaitGroupAddDone(b *testing.B, localWork int) {
-	var wg WaitGroup
-	b.RunParallel(func(pb *testing.PB) {
-		foo := 0
-		for pb.Next() {
-			wg.Add(1)
-			for i := 0; i < localWork; i++ {
-				foo *= 2
-				foo /= 2
-			}
-			wg.Done()
-		}
-		_ = foo
-	})
-}
-
-func BenchmarkWaitGroupAddDone(b *testing.B) {
-	benchmarkWaitGroupAddDone(b, 0)
-}
-
-func BenchmarkWaitGroupAddDoneWork(b *testing.B) {
-	benchmarkWaitGroupAddDone(b, 100)
-}
-
-func benchmarkWaitGroupWait(b *testing.B, localWork int) {
-	var wg WaitGroup
-	b.RunParallel(func(pb *testing.PB) {
-		foo := 0
-		for pb.Next() {
-			wg.Wait()
-			for i := 0; i < localWork; i++ {
-				foo *= 2
-				foo /= 2
-			}
-		}
-		_ = foo
-	})
-}
-
-func BenchmarkWaitGroupWait(b *testing.B) {
-	benchmarkWaitGroupWait(b, 0)
-}
-
-func BenchmarkWaitGroupWaitWork(b *testing.B) {
-	benchmarkWaitGroupWait(b, 100)
-}