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-rw-r--r--vendor/github.com/AllenDang/w32/fork_test.go50
1 files changed, 50 insertions, 0 deletions
diff --git a/vendor/github.com/AllenDang/w32/fork_test.go b/vendor/github.com/AllenDang/w32/fork_test.go
new file mode 100644
index 0000000..47b52ba
--- /dev/null
+++ b/vendor/github.com/AllenDang/w32/fork_test.go
@@ -0,0 +1,50 @@
+package w32
+
+import (
+ "fmt"
+ "io/ioutil"
+ "os"
+ "path"
+ "strconv"
+ "testing"
+ "time"
+)
+
+var forkFn = path.Join(os.TempDir(), "forktest.pid")
+
+func TestFork(t *testing.T) {
+
+ ppid := os.Getpid()
+ t.Logf("[OK] I am PID %d", ppid)
+ pid, err := Fork()
+ if err != nil {
+ t.Fatalf("[!!] Failed to fork. PID: %d: %s", pid, err)
+ }
+
+ if pid == 0 {
+ // We can't log anything here because our stdout doesn't point
+ // to the same console as our parent.
+ //
+ // This process won't show up in Task Manager, and os.Getpid() won't
+ // work, I guess because we haven't told CSRSS we exist.
+ f, _ := os.Create(forkFn)
+ f.WriteString(fmt.Sprintf("%d", ppid))
+ f.Close()
+ } else {
+ t.Logf("[OK] Forked child with PID %d", pid)
+ t.Logf("[OK] Sleeping, then trying to read checkfile.")
+ time.Sleep(2 * time.Second)
+ raw, err := ioutil.ReadFile(forkFn)
+ if err != nil {
+ t.Fatalf("[!!] Failed to read PID checkfile: %s", err)
+ }
+ if string(raw) == strconv.Itoa(ppid) {
+ t.Logf("[OK] Found PID checkfile - PID matches!")
+ } else {
+ t.Errorf("[!] Child reported PID %q vs %q!", string(raw), strconv.Itoa(ppid))
+ }
+ os.Remove(forkFn)
+
+ }
+
+}