v8go_test.go

// Copyright 2019 Roger Chapman and the v8go contributors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

package v8go_test

import (
	"regexp"
	"testing"

	v8 "rogchap.com/v8go"
)

func TestVersion(t *testing.T) {
	t.Parallel()
	rgx := regexp.MustCompile(`^\d+\.\d+\.\d+\.\d+-v8go$`)
	v := v8.Version()
	if !rgx.MatchString(v) {
		t.Errorf("version string is in the incorrect format: %s", v)
	}
}

func TestSetFlag(t *testing.T) {
	t.Parallel()
	ctx := v8.NewContext()
	defer ctx.Isolate().Dispose()
	defer ctx.Close()
	if _, err := ctx.RunScript("a = 1", "default.js"); err != nil {
		t.Errorf("expected <nil> error, but got: %v", err)
	}
	v8.SetFlags("--use_strict")
	if _, err := ctx.RunScript("b = 1", "use_strict.js"); err == nil {
		t.Error("expected error but got <nil>")
	}
	v8.SetFlags("--nouse_strict")
	if _, err := ctx.RunScript("c = 1", "nouse_strict.js"); err != nil {
		t.Errorf("expected <nil> error, but got: %v", err)
	}
}