vm: enable assign/binary/numeric/struct tests

These were not used for some reason.

pkg/vm/tests/assign_test.go

@@ -1,6 +1,9 @@
 package vm_test
 
-import "math/big"
+import (
+	"math/big"
+	"testing"
+)
 
 var assignTestCases = []testCase{
 	{
@@ -126,3 +129,7 @@ var assignTestCases = []testCase{
 		big.NewInt(3),
 	},
 }
+
+func TestAssignments(t *testing.T) {
+	run_testcases(t, assignTestCases)
+}

pkg/vm/tests/binary_expr_test.go

@@ -1,6 +1,9 @@
 package vm_test
 
-import "math/big"
+import (
+	"math/big"
+	"testing"
+)
 
 var binaryExprTestCases = []testCase{
 	{
@@ -114,3 +117,7 @@ var binaryExprTestCases = []testCase{
 		big.NewInt(0),
 	},
 }
+
+func TestBinaryExprs(t *testing.T) {
+	run_testcases(t, binaryExprTestCases)
+}

pkg/vm/tests/numeric_test.go

@@ -1,6 +1,9 @@
 package vm_test
 
-import "math/big"
+import (
+	"math/big"
+	"testing"
+)
 
 var numericTestCases = []testCase{
 	{
@@ -16,3 +19,7 @@ var numericTestCases = []testCase{
 		big.NewInt(6),
 	},
 }
+
+func TestNumericExprs(t *testing.T) {
+	run_testcases(t, numericTestCases)
+}

pkg/vm/tests/struct_test.go

@@ -2,6 +2,7 @@ package vm_test
 
 import (
 	"math/big"
+	"testing"
 
 	"github.com/CityOfZion/neo-go/pkg/vm"
 )
@@ -237,3 +238,7 @@ var structTestCases = []testCase{
 		big.NewInt(14),
 	},
 }
+
+func TestStructs(t *testing.T) {
+	run_testcases(t, structTestCases)
+}

pkg/vm/tests/vm_test.go

@@ -16,6 +16,12 @@ type testCase struct {
 	result interface{}
 }
 
+func run_testcases(t *testing.T, tcases []testCase) {
+	for _, tcase := range tcases {
+		t.Run(tcase.name, func(t *testing.T) {eval(t, tcase.src, tcase.result)})
+	}
+}
+
 func eval(t *testing.T, src string, result interface{}) {
 	vm := vmAndCompile(t, src)
 	vm.Run()