Private API for extensions like ssh-client that need access to TCP.

crypto/symmetric_key_unittest.cc

Index: crypto/symmetric_key_unittest.cc
diff --git a/crypto/symmetric_key_unittest.cc b/crypto/symmetric_key_unittest.cc
index a07194ec0bb8d42c6202d3377e4bb15168320eef..77474c5ff1868ac10e24717eb6b94a575030c699 100644
--- a/crypto/symmetric_key_unittest.cc
+++ b/crypto/symmetric_key_unittest.cc
@@ -4,6 +4,7 @@
 
 #include "crypto/symmetric_key.h"
 
+#include <algorithm>
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ -30,6 +31,16 @@ TEST(SymmetricKeyTest, GenerateRandomKey) {
   EXPECT_NE(raw_key, raw_key2);
 }
 
+TEST(SymmetricKeyTest, GenerateRandomBytes) {
+  std::vector<uint8> bytes(50);
+  ASSERT_TRUE(crypto::SymmetricKey::GenerateRandomBytes(
+      bytes.size(), &bytes[0]));
+  // Probability of occurrence of less than 25 unique bytes in 50 random bytes
+  // is below 10^-25.
+  std::sort(bytes.begin(), bytes.end());
+  ASSERT_GT(std::unique(bytes.begin(), bytes.end()) - bytes.begin(), 25);
+}
+
 TEST(SymmetricKeyTest, ImportGeneratedKey) {
   scoped_ptr<crypto::SymmetricKey> key1(
       crypto::SymmetricKey::GenerateRandomKey(crypto::SymmetricKey::AES, 256));