misc/cgo/testcarchive: check that os.Args is set

Change-Id: I4278abca9d2a8f25149fa8935a93d32e7d04a43a
Reviewed-on: https://go-review.googlesource.com/9050Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: David Crawshaw <crawshaw@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>

misc/cgo/testcarchive/main.c

@@ -8,6 +8,7 @@
 extern signed char DidInitRun();
 extern signed char DidMainRun();
 extern int32_t FromPkg();
+extern void CheckArgs();
 
 int main(void) {
 	int32_t res;
@@ -28,5 +29,7 @@ int main(void) {
 		return 2;
 	}
 
+	CheckArgs();
+
 	return 0;
 }

misc/cgo/testcarchive/src/libgo/libgo.go

@@ -5,9 +5,13 @@
 package main
 
 import (
-	_ "p"
+	"fmt"
+	"os"
+	"reflect"
 	"syscall"
 	"time"
+
+	_ "p"
 )
 
 import "C"
@@ -40,3 +44,12 @@ func DidInitRun() bool {
 
 //export DidMainRun
 func DidMainRun() bool { return ranMain }
+
+//export CheckArgs
+func CheckArgs() {
+	want := []string{"./testp", "arg1", "arg2"}
+	if !reflect.DeepEqual(want, os.Args) {
+		fmt.Printf("CheckArgs: want %v, got: %v\n", want, os.Args)
+		os.Exit(2)
+	}
+}

misc/cgo/testcarchive/test.bash

@@ -22,10 +22,10 @@ fi
 
 GOPATH=$(pwd) go build -buildmode=c-archive src/libgo/libgo.go
 $(go env CC) $(go env GOGCCFLAGS) $ccargs -o testp main.c libgo.a
-$bin
+$bin arg1 arg2
 rm libgo.a testp
 
 GOPATH=$(pwd) go build -buildmode=c-archive -o libgo.a libgo
 $(go env CC) $(go env GOGCCFLAGS) $ccargs -o testp main.c libgo.a
-$bin
+$bin arg1 arg2
 rm libgo.a testp