File: sem_test.go

package info (click to toggle)
golang-go4 0.0~git20190313.94abd69-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 760 kB
  • sloc: asm: 20; makefile: 4
file content (33 lines) | stat: -rw-r--r-- 500 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
package syncutil_test

import (
	"testing"

	"go4.org/syncutil"
)

func TestSem(t *testing.T) {
	s := syncutil.NewSem(5)

	if err := s.Acquire(2); err != nil {
		t.Fatal(err)
	}
	if err := s.Acquire(2); err != nil {
		t.Fatal(err)
	}

	go func() {
		s.Release(2)
		s.Release(2)
	}()
	if err := s.Acquire(5); err != nil {
		t.Fatal(err)
	}
}

func TestSemErr(t *testing.T) {
	s := syncutil.NewSem(5)
	if err := s.Acquire(6); err == nil {
		t.Fatal("Didn't get expected error for large acquire.")
	}
}