1 files changed, 150 insertions, 0 deletions
diff --git a/test/js/node/os/os.test.js b/test/js/node/os/os.test.js
new file mode 100644
index 000000000..ea685cdb7
--- /dev/null
+++ b/test/js/node/os/os.test.js
@@ -0,0 +1,150 @@
+import { it, expect } from "bun:test";
+import * as os from "node:os";
+
+it("arch", () => {
+  expect(["x64", "x86", "arm64"].some(arch => os.arch() === arch)).toBe(true);
+});
+
+it("endianness", () => {
+  expect(/[BL]E/.test(os.endianness())).toBe(true);
+});
+
+it("freemem", () => {
+  expect(os.freemem() > 0).toBe(true);
+});
+
+it("totalmem", () => {
+  expect(os.totalmem() > 0).toBe(true);
+});
+
+it("getPriority", () => {
+  expect(os.getPriority()).toBe(0);
+  expect(os.getPriority(0)).toBe(0);
+});
+
+it("setPriority", () => {
+  expect(os.setPriority(0, 2)).toBe(undefined);
+  expect(os.getPriority()).toBe(2);
+  expect(os.setPriority(5)).toBe(undefined);
+  expect(os.getPriority()).toBe(5);
+});
+
+it("loadavg", () => {
+  expect(os.loadavg().length === 3).toBe(true);
+});
+
+it("homedir", () => {
+  expect(os.homedir() !== "unknown").toBe(true);
+});
+
+it("tmpdir", () => {
+  if (process.platform === "win32") {
+    expect(os.tmpdir()).toBe(process.env.TEMP || process.env.TMP);
+    expect(os.tmpdir()).toBe(`${process.env.SystemRoot || process.env.windir}\\temp`);
+  } else {
+    let dir = process.env.TMPDIR || process.env.TMP || process.env.TEMP || "/tmp";
+    if (dir.length > 1 && dir.endsWith("/")) {
+      dir = dir.substring(0, dir.length - 1);
+    }
+    expect(os.tmpdir()).toBe(dir);
+  }
+});
+
+it("hostname", () => {
+  expect(os.hostname() !== "unknown").toBe(true);
+});
+
+it("platform", () => {
+  expect(["win32", "darwin", "linux", "wasm"].some(platform => os.platform() === platform)).toBe(true);
+});
+
+it("release", () => {
+  expect(os.release().length > 1).toBe(true);
+});
+
+it("type", () => {
+  expect(["Windows_NT", "Darwin", "Linux"].some(type => os.type() === type)).toBe(true);
+});
+
+it("uptime", () => {
+  expect(os.uptime() > 0).toBe(true);
+});
+
+it("version", () => {
+  expect(typeof os.version() === "string").toBe(true);
+});
+
+it("userInfo", () => {
+  const info = os.userInfo();
+
+  if (process.platform !== "win32") {
+    expect(info.username).toBe(process.env.USER);
+    expect(info.shell).toBe(process.env.SHELL);
+    expect(info.uid >= 0).toBe(true);
+    expect(info.gid >= 0).toBe(true);
+  } else {
+    expect(info.username).toBe(process.env.USERNAME);
+    expect(info.shell).toBe(null);
+    expect(info.uid).toBe(-1);
+    expect(info.gid).toBe(-1);
+  }
+});
+
+it("cpus", () => {
+  const cpus = os.cpus();
+
+  for (const cpu of cpus) {
+    expect(typeof cpu.model === "string").toBe(true);
+    expect(typeof cpu.speed === "number").toBe(true);
+    expect(typeof cpu.times.idle === "number").toBe(true);
+    expect(typeof cpu.times.irq === "number").toBe(true);
+    expect(typeof cpu.times.nice === "number").toBe(true);
+    expect(typeof cpu.times.sys === "number").toBe(true);
+    expect(typeof cpu.times.user === "number").toBe(true);
+  }
+});
+
+it("networkInterfaces", () => {
+  const networkInterfaces = os.networkInterfaces();
+
+  for (const networkInterface of Object.values(networkInterfaces)) {
+    for (const nI of networkInterface) {
+      expect(typeof nI.address === "string").toBe(true);
+      expect(typeof nI.netmask === "string").toBe(true);
+      expect(typeof nI.family === "string").toBe(true);
+      expect(typeof nI.mac === "string").toBe(true);
+      expect(typeof nI.internal === "boolean").toBe(true);
+      if (nI.cidr)
+        // may be null
+        expect(typeof nI.cidr).toBe("string");
+    }
+  }
+});
+
+it("machine", () => {
+  const possibleValues = [
+    "arm",
+    "arm64",
+    "aarch64",
+    "mips",
+    "mips64",
+    "ppc64",
+    "ppc64le",
+    "s390",
+    "s390x",
+    "i386",
+    "i686",
+    "x86_64",
+  ];
+  expect(possibleValues.includes(os.machine())).toBe(true);
+});
+
+it("EOL", () => {
+  if (process.platform === "win32") expect(os.EOL).toBe("\\r\\n");
+  else expect(os.EOL).toBe("\n");
+});
+
+it("devNull", () => {
+  if (process.platform === "win32") expect(os.devNull).toBe("\\\\.\\nul");
+  else expect(os.devNull).toBe("/dev/null");
+});