Implement an event-based simulator for QuicConnection

net/quic/test_tools/quic_test_utils.cc

Index: net/quic/test_tools/quic_test_utils.cc
diff --git a/net/quic/test_tools/quic_test_utils.cc b/net/quic/test_tools/quic_test_utils.cc
index 1514f2d28df230b3172c9e548d0ac19b704b78d8..6353f47d8600a39f39cc62b298ed4265b9d05b44 100644
--- a/net/quic/test_tools/quic_test_utils.cc
+++ b/net/quic/test_tools/quic_test_utils.cc
@@ -117,6 +117,22 @@ uint64_t SimpleRandom::RandUint64() {
   return seed_;
 }
 
+void SimpleRandom::RandBytes(void* data, size_t len) {
+  uint8_t* real_data = static_cast<uint8_t*>(data);
+  for (size_t offset = 0; offset < len; offset++) {
+    real_data[offset] = RandUint64() & 0xff;
+  }
+}
+
+void SimpleRandom::Reseed(const void* additional_entropy, size_t len) {
+  const uint8_t* real_entropy = static_cast<const uint8_t*>(additional_entropy);
+  for (size_t offset = 0; offset < len; offset++) {
+    // Note: this is not actually a well-established way to incorporate new
+    // entropy, but good enough for tests.
+    seed_ *= real_entropy[len];
+  }
+}
+
 MockFramerVisitor::MockFramerVisitor() {
   // By default, we want to accept packets.
   ON_CALL(*this, OnProtocolVersionMismatch(_))