add TestTrapOverlay

cmd/xgo/version.go

@@ -3,8 +3,8 @@ package main
 import "fmt"
 
 const VERSION = "1.0.11"
-const REVISION = "cbc3deeffd52cddb0f9a845c0e079a658f8c8325+1"
-const NUMBER = 145
+const REVISION = "9144e01f0f4847402d24c04997c8077fbb3ae85e+1"
+const NUMBER = 146
 
 func getRevision() string {
 	return fmt.Sprintf("%s %s BUILD_%d", VERSION, REVISION, NUMBER)

runtime/core/version.go

@@ -7,8 +7,8 @@ import (
 )
 
 const VERSION = "1.0.11"
-const REVISION = "cbc3deeffd52cddb0f9a845c0e079a658f8c8325+1"
-const NUMBER = 145
+const REVISION = "9144e01f0f4847402d24c04997c8077fbb3ae85e+1"
+const NUMBER = 146
 
 // these fields will be filled by compiler
 const XGO_VERSION = ""

runtime/test/trap/trap_overlay_test.go

@@ -0,0 +1,42 @@
+// when multiple interceptors added, the order is reversed
+package trap
+
+import (
+	"context"
+	"testing"
+
+	"github.com/xhd2015/xgo/runtime/core"
+	"github.com/xhd2015/xgo/runtime/trap"
+)
+
+func TestTrapOverlay(t *testing.T) {
+	trap.AddInterceptor(&trap.Interceptor{
+		Pre: func(ctx context.Context, f *core.FuncInfo, args, result core.Object) (data interface{}, err error) {
+			if f.IdentityName == "testOverlay" {
+				panic("first trap should not be called")
+			}
+			return nil, nil
+		},
+	})
+
+	// overlay
+	var trapCalled bool
+	trap.AddInterceptor(&trap.Interceptor{
+		Pre: func(ctx context.Context, f *core.FuncInfo, args, result core.Object) (data interface{}, err error) {
+			if f.IdentityName == "testOverlay" {
+				trapCalled = true
+				return nil, trap.ErrAbort
+			}
+			return
+		},
+	})
+	testOverlay()
+
+	if !trapCalled {
+		t.Fatalf("expect trap to have been called, actually not called")
+	}
+}
+
+func testOverlay() {
+
+}