Add runtime warnings

test/clash_test.go

@@ -8,11 +8,11 @@ import (
 	"io"
 	"net"
 	"net/netip"
-	"runtime"
 	"sync"
 	"testing"
 	"time"
 
+	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing/common/control"
 	F "github.com/sagernet/sing/common/format"
@@ -37,13 +37,10 @@ var allImages = []string{
 	ImageV2RayCore,
 }
 
-var (
-	localIP  = netip.MustParseAddr("127.0.0.1")
-	isDarwin = runtime.GOOS == "darwin"
-)
+var localIP = netip.MustParseAddr("127.0.0.1")
 
 func init() {
-	if isDarwin {
+	if C.IsDarwin {
 		var err error
 		localIP, err = defaultRouteIP()
 		if err != nil {

test/docker_test.go

@@ -5,6 +5,7 @@ import (
 	"testing"
 	"time"
 
+	C "github.com/sagernet/sing-box/constant"
 	F "github.com/sagernet/sing/common/format"
 
 	"github.com/docker/docker/api/types"
@@ -47,7 +48,7 @@ func startDockerContainer(t *testing.T, options DockerOptions) {
 	containerOptions.ExposedPorts = make(nat.PortSet)
 
 	var hostOptions container.HostConfig
-	if !isDarwin {
+	if !C.IsDarwin {
 		hostOptions.NetworkMode = "host"
 	}
 	hostOptions.PortBindings = make(nat.PortMap)