runtime: test Goexit/defer iteraction.
Make sure Goexit runs defers.
Make sure recover() during a Goexit defer returns nil.
LGTM=dvyukov, bradfitz
R=golang-codereviews, dvyukov, bradfitz, khr
CC=golang-codereviews
https://golang.org/cl/140650043
diff --git a/src/runtime/crash_test.go b/src/runtime/crash_test.go
index a86a3b7..d1577fb 100644
--- a/src/runtime/crash_test.go
+++ b/src/runtime/crash_test.go
@@ -159,6 +159,22 @@
}
}
+func TestGoexitDefer(t *testing.T) {
+ c := make(chan struct{})
+ go func() {
+ defer func() {
+ r := recover()
+ if r != nil {
+ t.Errorf("non-nil recover during Goexit")
+ }
+ c <- struct{}{}
+ }()
+ runtime.Goexit()
+ }()
+ // Note: if the defer fails to run, we will get a deadlock here
+ <-c
+}
+
func TestGoNil(t *testing.T) {
output := executeTest(t, goNilSource, nil)
want := "go of nil func value"
