state.js

#!/usr/bin/env node
"use strict";

process.on("unhandledRejection", exn => { throw exn; });

const TEST_RELEASE_BUILD = +process.env.TEST_RELEASE_BUILD;

var V86 = require(`../../build/${TEST_RELEASE_BUILD ? "libv86" : "libv86-debug"}.js`).V86;
const assert = require("assert").strict;
var fs = require("fs");

const config_async_cdrom = {
    bios: { url: __dirname + "/../../bios/seabios.bin" },
    vga_bios: { url: __dirname + "/../../bios/vgabios.bin" },
    cdrom: { url: __dirname + "/../../images/linux4.iso", async: true },
    autostart: true,
    memory_size: 32 * 1024 * 1024,
    filesystem: {},
    log_level: 0,
};

const config_sync_cdrom = {
    bios: { url: __dirname + "/../../bios/seabios.bin" },
    vga_bios: { url: __dirname + "/../../bios/vgabios.bin" },
    cdrom: { url: __dirname + "/../../images/linux4.iso", async: false },
    autostart: true,
    memory_size: 32 * 1024 * 1024,
    filesystem: {},
    log_level: 0,
};

const config_filesystem = {
    bios: { url: __dirname + "/../../bios/seabios.bin" },
    vga_bios: { url: __dirname + "/../../bios/vgabios.bin" },
    autostart: true,
    memory_size: 32 * 1024 * 1024,
    filesystem: {},
    bzimage: { url: __dirname + "/../../images/buildroot-bzimage.bin" },
    cmdline: "tsc=reliable mitigations=off random.trust_cpu=on",
    network_relay_url: "<UNUSED>",
    log_level: 0,
};

function run_test(name, config, done)
{
    const emulator = new V86(config);

    setTimeout(function()
        {
            console.log("Saving: %s", name);
            emulator.save_state(function(error, state)
                {
                    if(error)
                    {
                        console.error(error);
                        assert(false);
                    }

                    setTimeout(function()
                        {
                            console.log("Restoring: %s", name);
                            emulator.restore_state(state);

                            setTimeout(function()
                                {
                                    console.log("Done: %s", name);
                                    emulator.stop();
                                    done && done();
                                }, 1000);
                        }, 1000);
                });
        }, 5000);
}

run_test("async cdrom", config_async_cdrom, function()
    {
        run_test("sync cdrom", config_sync_cdrom, function()
        {
            run_test("filesystem", config_filesystem, function()
            {
            });
        });
    });