From 548f257de272de8f94ab7d5202de094bf6be2a2a Mon Sep 17 00:00:00 2001
From: Fabian <copy@copy.sh>
Date: Thu, 2 Jan 2025 15:20:19 -0700
Subject: [PATCH] test for #1203

---
 Makefile         |  1 +
 tests/api/pic.js | 86 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 87 insertions(+)
 create mode 100755 tests/api/pic.js

diff --git a/Makefile b/Makefile
index 9857eedeb2..0b45d66e8e 100644
--- a/Makefile
+++ b/Makefile
@@ -323,6 +323,7 @@ api-tests: all-debug
 	#./tests/api/floppy-insert-eject.js # disabled for now, sometimes hangs
 	./tests/api/serial.js
 	./tests/api/reboot.js
+	./tests/api/pic.js
 
 all-tests: eslint kvm-unit-test qemutests qemutests-release jitpagingtests api-tests nasmtests nasmtests-force-jit tests expect-tests
 	# Skipping:
diff --git a/tests/api/pic.js b/tests/api/pic.js
new file mode 100755
index 0000000000..a148352f67
--- /dev/null
+++ b/tests/api/pic.js
@@ -0,0 +1,86 @@
+#!/usr/bin/env node
+"use strict";
+
+const TEST_RELEASE_BUILD = +process.env.TEST_RELEASE_BUILD;
+
+const fs = require("fs");
+const V86 = require(`../../build/${TEST_RELEASE_BUILD ? "libv86" : "libv86-debug"}.js`).V86;
+
+const root_path = __dirname + "/../..";
+
+process.on("unhandledRejection", exn => { throw exn; });
+
+if(!fs.existsSync(root_path + "/images/fs.json"))
+{
+    console.log("Missing images/fs.json, test skipped");
+    process.exit(0);
+}
+
+const config = {
+    bios: { url: __dirname + "/../../bios/seabios.bin" },
+    vga_bios: { url: __dirname + "/../../bios/vgabios.bin" },
+    bzimage_initrd_from_filesystem: true,
+    cmdline: [
+        "rw apm=off vga=0x344 video=vesafb:ypan,vremap:8",
+        "root=host9p rootfstype=9p rootflags=trans=virtio,cache=loose mitigations=off",
+        "audit=0 init=/usr/bin/init-openrc net.ifnames=0 biosdevname=0",
+    ].join(" "),
+    filesystem: {
+        basefs: root_path + "/images/fs.json",
+        baseurl: root_path + "/images/arch/",
+    },
+    network_relay_url: "<UNUSED>",
+    autostart: true,
+    memory_size: 512 * 1024 * 1024,
+    log_level: 0,
+    disable_jit: +process.env.DISABLE_JIT,
+};
+
+const emulator = new V86(config);
+
+emulator.bus.register("emulator-started", function()
+{
+    console.log("Booting now, please stand by");
+
+    // Trigger a lot of interrupts
+    // There have been bugs in the pic in the past, e.g. #1203
+    const interval = setInterval(() =>
+    {
+        emulator.bus.send("mouse-delta", [1, 0]);
+    }, 0);
+
+    const timeout = setTimeout(() => {
+        console.warn(emulator.screen_adapter.get_text_screen());
+        throw new Error("Timeout");
+    }, 120 * 1000);
+
+    let line = "";
+    emulator.add_listener("serial0-output-byte", async function(byte)
+    {
+        const chr = String.fromCharCode(byte);
+
+        if(chr < " " && chr !== "\n" && chr !== "\t" || chr > "~")
+        {
+            return;
+        }
+
+        if(chr === "\n")
+        {
+            console.error("Serial: %s", line);
+
+            if(line.startsWith("localhost login:"))
+            {
+                console.log("Test passed");
+                clearTimeout(timeout);
+                clearInterval(interval);
+                emulator.destroy();
+            }
+
+            line = "";
+        }
+        else
+        {
+            line += chr;
+        }
+    });
+});