Source release 17.1.0

util/test/test_sleep.cpp

@@ -1,6 +1,6 @@
 // Copyright 2019 Google LLC. All Rights Reserved. This file and proprietary
-// source code may only be used and distributed under the Widevine Master
-// License Agreement.
+// source code may only be used and distributed under the Widevine License
+// Agreement.
 
 #include "test_sleep.h"
 
@@ -9,6 +9,9 @@
 #else
 #  include <sys/types.h>
 #endif
+#ifdef __APPLE__
+#  include <TargetConditionals.h>
+#endif
 
 #include <errno.h>
 #include <string.h>
@@ -19,7 +22,7 @@
 #include "clock.h"
 #include "log.h"
 
-namespace wvcdm {
+namespace wvutil {
 
 bool TestSleep::real_sleep_ = true;
 TestSleep::CallBack* TestSleep::callback_ = nullptr;
@@ -55,6 +58,21 @@ void TestSleep::SyncFakeClock() {
   Sleep(0);
 }
 
+void TestSleep::SetFakeClock(int64_t time_seconds) {
+  if (real_sleep_) {
+    LOGE("SetFakeClock when using a real clock. Expect other failures.");
+  }
+  // Delta could be positive or negative. If the fake clock had been initialized
+  // by the current time on a real clock, and then the command line
+  // re-initializes it to 0, then delta is negative.
+  int64_t delta = time_seconds - Clock().GetCurrentTime();
+  if (callback_ != nullptr) {
+    callback_->ElapseTime(delta * 1000);
+  } else {
+    LOGE("Setting fake clock with no callback. This won't work.");
+  }
+}
+
 bool TestSleep::RollbackSystemTime(int seconds) {
   if (real_sleep_) {
 #ifdef _WIN32
@@ -73,10 +91,13 @@ bool TestSleep::RollbackSystemTime(int seconds) {
     file_time.dwHighDateTime = long_time >> 32;
     if (!FileTimeToSystemTime(&file_time, &time)) return false;
     if (!SetSystemTime(&time)) return false;
+#elif TARGET_IPHONE_SIMULATOR || TARGET_OS_IPHONE
+    LOGE("iOS time rollback: cannot set system time.");
+    return false;
 #else
     auto time = std::chrono::system_clock::now();
     auto modified_time = time - std::chrono::seconds(seconds);
-    ;
+
     timespec time_spec;
     time_spec.tv_sec = std::chrono::duration_cast<std::chrono::seconds>(
                            modified_time.time_since_epoch())
@@ -140,6 +161,9 @@ bool TestSleep::CanChangeSystemTime() {
   }
   LOGE("Win32 time rollback: cannot set system time.");
   return false;
+#elif TARGET_IPHONE_SIMULATOR || TARGET_OS_IPHONE
+  LOGE("iOS time rollback: cannot set system time.");
+  return false;
 #else
   // Otherwise, the test needs to be run as root.
   const uid_t uid = getuid();
@@ -148,4 +172,4 @@ bool TestSleep::CanChangeSystemTime() {
   return false;
 #endif
 }
-}  // namespace wvcdm
+}  // namespace wvutil