1 files changed, 49 insertions, 0 deletions
diff --git a/interp/dump_test.go b/interp/dump_test.go
new file mode 100644
index 0000000..fbaa778
--- /dev/null
+++ b/interp/dump_test.go
@@ -0,0 +1,49 @@
+package interp_test
+
+import (
+	"testing"
+
+	"github.com/mvertes/parscan/interp"
+	"github.com/mvertes/parscan/lang/golang"
+)
+
+func TestDump(t *testing.T) {
+	initProgram := "var a int = 2+1; a"
+	intp := interp.NewInterpreter(golang.GoSpec)
+	r, e := intp.Eval(initProgram)
+	t.Log(r, e)
+	if e != nil {
+		t.Fatal(e)
+	}
+
+	r, e = intp.Eval("a = 100")
+	t.Log(r, e)
+	if e != nil {
+		t.Fatal(e)
+	}
+
+	d := intp.Dump()
+	t.Log(d)
+
+	intp = interp.NewInterpreter(golang.GoSpec)
+	r, e = intp.Eval(initProgram)
+	t.Log(r, e)
+	if e != nil {
+		t.Fatal(e)
+	}
+
+	e = intp.ApplyDump(d)
+	if e != nil {
+		t.Fatal(e)
+	}
+
+	r, e = intp.Eval("a = a + 1;a")
+	t.Log(r, e)
+	if e != nil {
+		t.Fatal(e)
+	}
+
+	if r.Interface() != int(101) {
+		t.Fatalf("unexpected result: %v", r)
+	}
+}