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Diffstat (limited to 'pkg/goid/goid_test.go')
-rw-r--r--pkg/goid/goid_test.go74
1 files changed, 0 insertions, 74 deletions
diff --git a/pkg/goid/goid_test.go b/pkg/goid/goid_test.go
deleted file mode 100644
index 31970ce79..000000000
--- a/pkg/goid/goid_test.go
+++ /dev/null
@@ -1,74 +0,0 @@
-// Copyright 2020 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// +build race
-
-package goid
-
-import (
- "runtime"
- "sync"
- "testing"
-)
-
-func TestInitialGoID(t *testing.T) {
- const max = 10000
- if id := goid(); id < 0 || id > max {
- t.Errorf("got goid = %d, want 0 < goid <= %d", id, max)
- }
-}
-
-// TestGoIDSquence verifies that goid returns values which could plausibly be
-// goroutine IDs. If this test breaks or becomes flaky, the structs in
-// goid_unsafe.go may need to be updated.
-func TestGoIDSquence(t *testing.T) {
- // Goroutine IDs are cached by each P.
- runtime.GOMAXPROCS(1)
-
- // Fill any holes in lower range.
- for i := 0; i < 50; i++ {
- var wg sync.WaitGroup
- wg.Add(1)
- go func() {
- wg.Done()
-
- // Leak the goroutine to prevent the ID from being
- // reused.
- select {}
- }()
- wg.Wait()
- }
-
- id := goid()
- for i := 0; i < 100; i++ {
- var (
- newID int64
- wg sync.WaitGroup
- )
- wg.Add(1)
- go func() {
- newID = goid()
- wg.Done()
-
- // Leak the goroutine to prevent the ID from being
- // reused.
- select {}
- }()
- wg.Wait()
- if max := id + 100; newID <= id || newID > max {
- t.Errorf("unexpected goroutine ID pattern, got goid = %d, want %d < goid <= %d (previous = %d)", newID, id, max, id)
- }
- id = newID
- }
-}