1 files changed, 42 insertions, 0 deletions
diff --git a/test/js/node/tls/node-tls-internals.test.ts b/test/js/node/tls/node-tls-internals.test.ts
new file mode 100644
index 000000000..f67c39e23
--- /dev/null
+++ b/test/js/node/tls/node-tls-internals.test.ts
@@ -0,0 +1,42 @@
+import { createTest } from "node-harness";
+const { describe, expect, it } = createTest(import.meta.path);
+//@ts-ignore
+const $lazy = globalThis[Symbol.for("Bun.lazy")];
+const tlsInternals = $lazy("internal/tls");
+
+describe("node/tls", () => {
+  // this is only exposed on debug builds so we skip on release builds
+  const test = tlsInternals ? it : it.skip;
+
+  test("canonicalizeIP", () => {
+    const { canonicalizeIP } = tlsInternals;
+    expect(canonicalizeIP("127.0.0.1")).toBe("127.0.0.1");
+    expect(canonicalizeIP("10.1.0.1")).toBe("10.1.0.1");
+    expect(canonicalizeIP("::1")).toBe("::1");
+    expect(canonicalizeIP("fe80:0:0:0:0:0:0:1")).toBe("fe80::1");
+    expect(canonicalizeIP("fe80:0:0:0:0:0:0:0")).toBe("fe80::");
+    expect(canonicalizeIP("fe80::0000:0010:0001")).toBe("fe80::10:1");
+    expect(canonicalizeIP("0001:2222:3333:4444:5555:6666:7777:0088")).toBe("1:2222:3333:4444:5555:6666:7777:88");
+
+    expect(canonicalizeIP("0001:2222:3333:4444:5555:6666::")).toBe("1:2222:3333:4444:5555:6666::");
+
+    expect(canonicalizeIP("a002:B12:00Ba:4444:5555:6666:0:0")).toBe("a002:b12:ba:4444:5555:6666::");
+
+    // IPv4 address represented in IPv6
+    expect(canonicalizeIP("0:0:0:0:0:ffff:c0a8:101")).toBe("::ffff:192.168.1.1");
+
+    expect(canonicalizeIP("::ffff:192.168.1.1")).toBe("::ffff:192.168.1.1");
+  });
+
+  test("rootCertificates", () => {
+    const { rootCertificates } = tlsInternals;
+    expect(rootCertificates).toBeInstanceOf(Array);
+    expect(rootCertificates.length).toBeGreaterThan(0);
+    expect(typeof rootCertificates[0]).toBe("string");
+
+    for (const cert of rootCertificates) {
+      expect(cert).toStartWith("-----BEGIN CERTIFICATE-----");
+      expect(cert).toEndWith("-----END CERTIFICATE-----");
+    }
+  });
+});