1 files changed, 69 insertions, 0 deletions
diff --git a/security/manager/ssl/tests/unit/test_constructX509FromBase64.js b/security/manager/ssl/tests/unit/test_constructX509FromBase64.js
new file mode 100644
index 000000000..d44e249c2
--- /dev/null
+++ b/security/manager/ssl/tests/unit/test_constructX509FromBase64.js
@@ -0,0 +1,69 @@
+// -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+"use strict";
+
+// Checks that ConstructX509FromBase64() accepts valid input and rejects invalid
+// input.
+
+do_get_profile(); // Must be called before getting nsIX509CertDB
+const certDB = Cc["@mozilla.org/security/x509certdb;1"]
+                 .getService(Ci.nsIX509CertDB);
+
+function excMessage(e) {
+  if (e.message) {
+    let msg = e.message;
+    if (e.data) {
+      msg = msg + ": " + e.data;
+    }
+    return msg;
+  }
+
+  return e.toString();
+}
+
+function testGood(data) {
+  try {
+    let cert = certDB.constructX509FromBase64(data.cert);
+    equal(cert.commonName, data.cn,
+          "Actual and expected commonName should match");
+  } catch (e) {
+    do_print(`Exception: ${excMessage(e)}`);
+    ok(false, `Should not have gotten an exception for "CN=${data.cn}"`);
+  }
+}
+
+function testBad(data) {
+  throws(() => certDB.constructX509FromBase64(data.input), data.result,
+         `Should get "${data.result}" for "${data.input}"`);
+}
+
+function run_test() {
+  const badCases = [
+    // Wrong type or too short
+    { input: null, result: /NS_ERROR_ILLEGAL_VALUE/ },
+    { input: "", result: /NS_ERROR_ILLEGAL_VALUE/ },
+    { input: "=", result: /NS_ERROR_ILLEGAL_VALUE/ },
+    { input: "==", result: /NS_ERROR_ILLEGAL_VALUE/ },
+    // Not base64
+    { input: "forty-four dead stone lions", result: /NS_ERROR_ILLEGAL_VALUE/ },
+    // Not a cert
+    { input: "Zm9ydHktZm91ciBkZWFkIHN0b25lIGxpb25z",
+      result: /NS_ERROR_FAILURE/ },
+  ];
+
+  // Real certs with all three padding levels
+  const goodCases = [
+    { cn: "A", cert: "MIHhMIGcAgEAMA0GCSqGSIb3DQEBBQUAMAwxCjAIBgNVBAMTAUEwHhcNMTEwMzIzMjMyNTE3WhcNMTEwNDIyMjMyNTE3WjAMMQowCAYDVQQDEwFBMEwwDQYJKoZIhvcNAQEBBQADOwAwOAIxANFm7ZCfYNJViaDWTFuMClX3+9u18VFGiyLfM6xJrxir4QVtQC7VUC/WUGoBUs9COQIDAQABMA0GCSqGSIb3DQEBBQUAAzEAx2+gIwmuYjJO5SyabqIm4lB1MandHH1HQc0y0tUFshBOMESTzQRPSVwPn77a6R9t" },
+    { cn: "Bo", cert: "MIHjMIGeAgEAMA0GCSqGSIb3DQEBBQUAMA0xCzAJBgNVBAMTAkJvMB4XDTExMDMyMzIzMjYwMloXDTExMDQyMjIzMjYwMlowDTELMAkGA1UEAxMCQm8wTDANBgkqhkiG9w0BAQEFAAM7ADA4AjEA1FoSl9w9HqMqVgk2K0J3OTiRsgHeNsQdPUl6S82ME33gH+E56PcWZA3nse+fpS3NAgMBAAEwDQYJKoZIhvcNAQEFBQADMQAo/e3BvQAmygiATljQ68tWPoWcbMwa1xxAvpWTEc1LOvMqeDBinBUqbAbSmPhGWb4=" },
+    { cn: "Cid", cert: "MIHlMIGgAgEAMA0GCSqGSIb3DQEBBQUAMA4xDDAKBgNVBAMTA0NpZDAeFw0xMTAzMjMyMzI2MzJaFw0xMTA0MjIyMzI2MzJaMA4xDDAKBgNVBAMTA0NpZDBMMA0GCSqGSIb3DQEBAQUAAzsAMDgCMQDUUxlF5xKN+8KCSsR83sN+SRwJmZdliXsnBB7PU0OgbmOWN0u8yehRkmu39kN9tzcCAwEAATANBgkqhkiG9w0BAQUFAAMxAJ3UScNqRcjHFrNu4nuwRldZLJlVJvRYXp982V4/kYodQEGN4gJ+Qyj+HTsaXy5x/w==" }
+  ];
+
+  for (let badCase of badCases) {
+    testBad(badCase);
+  }
+  for (let goodCase of goodCases) {
+    testGood(goodCase);
+  }
+}