add tuples tests

core/vm_test.go

@@ -2,6 +2,7 @@ package core
 
 import (
 	"fmt"
+	"math/big"
 	"testing"
 )
 
@@ -615,6 +616,28 @@ func GetExecutionTestData() map[string]struct {
 			},
 			[]map[string]Value{},
 		},
+		"form_tuple": {
+			&Chunk{
+				Bytecode: []Bytecode{
+					InstructionConstant, 0,
+					InstructionConstant, 1,
+					InstructionFormTuple, 0, 2,
+				},
+				Constants: []Value{
+					&IntegerValue{big.NewInt(1)},
+					&IntegerValue{big.NewInt(2)},
+				},
+			},
+			[]Value{
+				&TupleValue{
+					Items: []Value{
+						&IntegerValue{big.NewInt(1)},
+						&IntegerValue{big.NewInt(2)},
+					},
+				},
+			},
+			[]map[string]Value{},
+		},
 	}
 }