1 files changed, 0 insertions, 92 deletions
diff --git a/src/pkg/time/internal_test.go b/src/pkg/time/internal_test.go
deleted file mode 100644
index 2243d3668..000000000
--- a/src/pkg/time/internal_test.go
+++ /dev/null
@@ -1,92 +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 time
-
-import (
-	"errors"
-	"runtime"
-)
-
-func init() {
-	// force US/Pacific for time zone tests
-	ForceUSPacificForTesting()
-}
-
-var Interrupt = interrupt
-var DaysIn = daysIn
-
-func empty(now int64, arg interface{}) {}
-
-// Test that a runtimeTimer with a duration so large it overflows
-// does not cause other timers to hang.
-//
-// This test has to be in internal_test.go since it fiddles with
-// unexported data structures.
-func CheckRuntimeTimerOverflow() error {
-	// We manually create a runtimeTimer to bypass the overflow
-	// detection logic in NewTimer: we're testing the underlying
-	// runtime.addtimer function.
-	r := &runtimeTimer{
-		when: runtimeNano() + (1<<63 - 1),
-		f:    empty,
-		arg:  nil,
-	}
-	startTimer(r)
-
-	timeout := 100 * Millisecond
-	switch runtime.GOOS {
-	// Allow more time for gobuilder to succeed.
-	case "windows":
-		timeout = Second
-	case "plan9":
-		// TODO(0intro): We don't know why it is needed.
-		timeout = 3 * Second
-	}
-
-	// Start a goroutine that should send on t.C before the timeout.
-	t := NewTimer(1)
-
-	defer func() {
-		// Subsequent tests won't work correctly if we don't stop the
-		// overflow timer and kick the timer proc back into service.
-		//
-		// The timer proc is now sleeping and can only be awoken by
-		// adding a timer to the *beginning* of the heap. We can't
-		// wake it up by calling NewTimer since other tests may have
-		// left timers running that should have expired before ours.
-		// Instead we zero the overflow timer duration and start it
-		// once more.
-		stopTimer(r)
-		t.Stop()
-		r.when = 0
-		startTimer(r)
-	}()
-
-	// Try to receive from t.C before the timeout. It will succeed
-	// iff the previous sleep was able to finish. We're forced to
-	// spin and yield after trying to receive since we can't start
-	// any more timers (they might hang due to the same bug we're
-	// now testing).
-	stop := Now().Add(timeout)
-	for {
-		select {
-		case <-t.C:
-			return nil // It worked!
-		default:
-			if Now().After(stop) {
-				return errors.New("runtime timer stuck: overflow in addtimer")
-			}
-			// Issue 6874. This test previously called runtime.Gosched to try to yield
-			// to the goroutine servicing t, however the scheduler has a bias towards the
-			// previously running goroutine in an idle system. Combined with high load due
-			// to all CPUs busy running tests t's goroutine could be delayed beyond the
-			// timeout window.
-			//
-			// Calling runtime.GC() reduces the worst case lantency for scheduling t by 20x
-			// under the current Go 1.3 scheduler.
-			runtime.GC()
-		}
-	}
-}