Provide method for returning certificate expiration timestamp.

webrtc/base/sslidentity_unittest.cc

 /*
  *  Copyright 2011 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #include <string>
 
 #include "webrtc/base/gunit.h"
+#include "webrtc/base/helpers.h"
 #include "webrtc/base/ssladapter.h"
 #include "webrtc/base/sslidentity.h"
 
 using rtc::SSLIdentity;
 
 const char kTestCertificate[] = "-----BEGIN CERTIFICATE-----\n"
     "MIIB6TCCAVICAQYwDQYJKoZIhvcNAQEEBQAwWzELMAkGA1UEBhMCQVUxEzARBgNV\n"
     "BAgTClF1ZWVuc2xhbmQxGjAYBgNVBAoTEUNyeXB0U29mdCBQdHkgTHRkMRswGQYD\n"
     "VQQDExJUZXN0IENBICgxMDI0IGJpdCkwHhcNMDAxMDE2MjIzMTAzWhcNMDMwMTE0\n"
     "MjIzMTAzWjBjMQswCQYDVQQGEwJBVTETMBEGA1UECBMKUXVlZW5zbGFuZDEaMBgG\n"
@@ skipping 264 matching lines @@
   EXPECT_TRUE(SSLIdentity::PemToDer("CERTIFICATE", kTestCertificate, &der));
 
   EXPECT_EQ(kTestCertificate, SSLIdentity::DerToPem(
       "CERTIFICATE",
       reinterpret_cast<const unsigned char*>(der.data()), der.length()));
 }
 
 TEST_F(SSLIdentityTest, GetSignatureDigestAlgorithm) {
   TestGetSignatureDigestAlgorithm();
 }
+
+class SSLIdentityExpirationTest : public testing::Test {
+ public:
+  SSLIdentityExpirationTest() {}
+  ~SSLIdentityExpirationTest() {}
+
+  void TestExpireTime(int times) {
+    for (int i = 0; i < times; i++) {
+      rtc::SSLIdentityParams params;
+      params.common_name = "";
+      params.not_before = 0;
+      params.not_after = rtc::CreateRandomId() % 0x80000000;

[hbos, 2015/11/25 15:21:45]

Add a comment explaining the %

[torbjorng (webrtc), 2015/11/25 19:14:09]

Done.

+      params.key_params = rtc::KeyParams(rtc::KT_ECDSA);
+      SSLIdentity* identity = rtc::SSLIdentity::GenerateForTest(params);
+      EXPECT_EQ((int64_t)1000 * params.not_after,
+                identity->certificate().CertificateExpirationTime());
+      delete identity;
+    }
+  }
+};
+
+TEST_F(SSLIdentityExpirationTest, Test) {
+  rtc::SetRandomTestMode(true);
+  TestExpireTime(100);
+  rtc::SetRandomTestMode(false);
+}