1 files changed, 26 insertions, 0 deletions
diff --git a/test/js/node/process-binding.test.ts b/test/js/node/process-binding.test.ts
new file mode 100644
index 000000000..c60a38bae
--- /dev/null
+++ b/test/js/node/process-binding.test.ts
@@ -0,0 +1,26 @@
+describe("process.binding", () => {
+  test("process.binding('constants')", () => {
+    /* @ts-ignore */
+    const constants = process.binding("constants");
+    expect(constants).toBeDefined();
+    expect(constants).toHaveProperty("os");
+    expect(constants).toHaveProperty("crypto");
+    expect(constants).toHaveProperty("fs");
+    expect(constants).toHaveProperty("trace");
+    expect(constants).toHaveProperty("zlib");
+  });
+  test("process.binding('uv')", () => {
+    /* @ts-ignore */
+    const uv = process.binding("uv");
+    expect(uv).toBeDefined();
+
+    expect(uv).toHaveProperty("errname");
+    expect(uv).toHaveProperty("UV_EACCES");
+    expect(uv.errname(-4)).toBe("EINTR");
+    expect(uv.errname(5)).toBe("Unknown system error 5");
+
+    const map = uv.getErrorMap();
+    expect(map).toBeDefined();
+    expect(map.get(-56)).toEqual(["EISCONN", "socket is already connected"]);
+  });
+});