Integration tests for renew on license load

Merged from https://widevine-internal-review.googlesource.com/164468

We need to add integration tests in the form of duration license tests
in order to test that this feature works with licenses from a real
server.

Bug: 253513745
Test: WV unit/integration tests
Change-Id: I926d8309ed24183ae117e3f66fb92fec2d95c310

libwvdrmengine/cdm/core/test/duration_use_case_test.cpp

@@ -80,6 +80,8 @@ const RenewalPolicy kLDLRenewal = {"CDM_LimitedDurationLicense_renewal", 0, 0};
 const RenewalPolicy kInfiniteRenewal = {"CDM_InfiniteRenewal_renewal", 0, 0};
 const RenewalPolicy kLicenseDurationWithRenewal = {
     "CDM_LicenseDurationWithRenewal_renewal", 10, 0};
+const RenewalPolicy kRenewOnLicenseLoad = {"CDM_RenewOnLicenseLoad_renewal", 0,
+                                           0};
 const RenewalPolicy kHeartbeatRenewal = {"CDM_Heartbeat_renewal", 10, 30};
 
 // Key ID in all duration tests.
@@ -1549,10 +1551,121 @@ class CdmUseCase_RenewOnLicenseLoad : public RenewalTest {
   uint64_t renewal_recovery_;
 };
 
-// TODO(b/253513745): Replace this with some real tests.
-TEST_P(CdmUseCase_RenewOnLicenseLoad, FakeTest) {
-  FAIL() << "This test will fail on a v18 server, but "
-                     << "should be skipped on all existing servers.";
+// License loaded within rental duration window and playback continues.
+TEST_P(CdmUseCase_RenewOnLicenseLoad, Case1S) {
+  start_of_playback_ = 10;
+  SleepUntil(start_of_playback_);
+  LoadLicense();
+  SleepUntilRenewalNeeded();
+  const uint64_t start = 15;  // time of first decrypt
+  const uint64_t load_renewal = 20;
+  const uint64_t stop = 45;
+  RenewAndContinue(start, load_renewal, stop, kRenewOnLicenseLoad);
+}
+
+// License loaded within rental duration window and playback continues.
+TEST_P(CdmUseCase_RenewOnLicenseLoad, Case1M) {
+  start_of_playback_ = 10;
+  SleepUntil(start_of_playback_);
+  LoadLicense();
+  SleepUntilRenewalNeeded();
+  const uint64_t start = 20;  // time of first decrypt
+  const uint64_t load_renewal = 20;
+  const uint64_t stop = 45;  // end of decrypt
+  RenewAndContinue(start, load_renewal, stop, kRenewOnLicenseLoad);
+}
+
+// License loaded within rental duration window and playback continues.
+TEST_P(CdmUseCase_RenewOnLicenseLoad, Case1L) {
+  start_of_playback_ = 10;
+  SleepUntil(start_of_playback_);
+  LoadLicense();
+  SleepUntilRenewalNeeded();
+  RequestRenewal(kRenewOnLicenseLoad);
+  const uint64_t load_renewal = 20;
+  const uint64_t start = 25;  // time of first decrypt
+  const uint64_t stop = 45;   // end of decrypt
+  LoadRenewal(load_renewal, kRenewOnLicenseLoad);
+  AllowPlayback(start, stop);
+}
+
+// License loaded after rental duration window and playback should fail.
+TEST_P(CdmUseCase_RenewOnLicenseLoad, Case2) {
+  start_of_playback_ = EndOfRentalWindow() + 1;
+  ForbidPlayback(start_of_playback_);
+}
+
+// License loaded within rental duration window but renewal not received.
+TEST_P(CdmUseCase_RenewOnLicenseLoad, Case3S) {
+  start_of_playback_ = 10;
+  SleepUntil(start_of_playback_);
+  LoadLicense();
+  const uint64_t start = 15;  // time of first decrypt
+  // Allow playback within the initial renewal window.
+  const uint64_t cutoff =
+      start_of_playback_ + renewal_delay_ + renewal_recovery_;
+  TerminatePlayback(start, cutoff);
+}
+
+// License loaded within rental duration window but renewal not received.
+TEST_P(CdmUseCase_RenewOnLicenseLoad, Case3M) {
+  start_of_playback_ = 10;
+  SleepUntil(start_of_playback_);
+  LoadLicense();
+  const uint64_t start = 25;  // time of first decrypt
+  // Allow playback within the initial renewal window.
+  const uint64_t cutoff =
+      start_of_playback_ + renewal_delay_ + renewal_recovery_;
+  TerminatePlayback(start, cutoff);
+}
+
+// License loaded within rental duration window but renewal not received.
+TEST_P(CdmUseCase_RenewOnLicenseLoad, Case3L) {
+  start_of_playback_ = 10;
+  SleepUntil(start_of_playback_);
+  LoadLicense();
+  const uint64_t start = 35;  // time of first decrypt
+  SleepUntil(start);
+  // No playback at all.
+  FailDecrypt();
+}
+
+// Playback is started within the rental duration window and the renewal is
+// received, but playback exceeds the playback duration.
+TEST_P(CdmUseCase_RenewOnLicenseLoad, Case4) {
+  start_of_playback_ = 10;
+  SleepUntil(start_of_playback_);
+  LoadLicense();
+  SleepUntilRenewalNeeded();
+  const uint64_t start = 20;  // time of first decrypt
+  const uint64_t load_renewal = 20;
+  const uint64_t stop = 45;  // end of decrypt
+  const uint64_t cutoff = EndOfPlaybackWindow();
+  RenewAndContinue(start, load_renewal, stop, kRenewOnLicenseLoad);
+  TerminatePlayback(stop, cutoff);
+}
+
+// Playback is able to be restarted.
+TEST_P(CdmUseCase_RenewOnLicenseLoad, Case5) {
+  start_of_playback_ = 10;
+  const uint64_t load_renewal = 20;
+  SleepUntil(start_of_playback_);
+  LoadLicense();
+  SleepUntilRenewalNeeded();
+  RequestRenewal(kRenewOnLicenseLoad);
+  const uint64_t start = 20;
+  const uint64_t end = 35;
+  RenewAndContinue(start, load_renewal, end, kRenewOnLicenseLoad);
+  UnloadLicense();
+  // Simulate reloading the license, and then reloading the renewal, and then
+  // restarting playback. That is allowed, and playback shall be terminated at
+  // the end of the original playback window.
+  const uint64_t reload_time = 45;
+  ReloadAndAllowPlayback(reload_time, EndOfPlaybackWindow(),
+                         kRenewOnLicenseLoad);
+  // But not beyond playback window.
+  SleepUntil(EndOfPlaybackWindow() + 3 * kFudge);
+  FailDecrypt();
 }
 
 // Heartbeat Playback Window License. (See above for notes on Use Case tests).