Merge #16978: test: Seed test RNG context for each test case, print seed

fae43a97ca947cd0802392e9bb86d9d0572c0fba test: Seed test RNG context for each test case, print seed (MarcoFalke)

Pull request description:

  Debugging failing unit tests is hard if the failure is non-deterministic and the seed is not known.

  Fix that by printing the seed and making it possible to set the seed from outside.

ACKs for top commit:
  davereikher:
    Tested ACK fae43a97ca947cd0802392e9bb86d9d0572c0fba

Tree-SHA512: 33d848dd1f4180d3664ecf60e9810c2a93590c05276b2c46b1e4fe6e376b45916a46b90c803bb602750ab666da3a05ce499e550024685a90b8cc38fab6667cb8

1 files changed, 5 insertions, 5 deletions

diff --git a/src/test/cuckoocache_tests.cpp b/src/test/cuckoocache_tests.cpp
index 87b32eef1a..119d4b3295 100644
--- a/src/test/cuckoocache_tests.cpp
+++ b/src/test/cuckoocache_tests.cpp
@@ -29,7 +29,7 @@ BOOST_AUTO_TEST_SUITE(cuckoocache_tests);
  */
 BOOST_AUTO_TEST_CASE(test_cuckoocache_no_fakes)
 {
-    SeedInsecureRand(true);
+    SeedInsecureRand(SeedRand::ZEROS);
     CuckooCache::cache<uint256, SignatureCacheHasher> cc{};
     size_t megabytes = 4;
     cc.setup_bytes(megabytes << 20);
@@ -47,7 +47,7 @@ BOOST_AUTO_TEST_CASE(test_cuckoocache_no_fakes)
 template <typename Cache>
 static double test_cache(size_t megabytes, double load)
 {
-    SeedInsecureRand(true);
+    SeedInsecureRand(SeedRand::ZEROS);
     std::vector<uint256> hashes;
     Cache set{};
     size_t bytes = megabytes * (1 << 20);
@@ -118,7 +118,7 @@ template <typename Cache>
 static void test_cache_erase(size_t megabytes)
 {
     double load = 1;
-    SeedInsecureRand(true);
+    SeedInsecureRand(SeedRand::ZEROS);
     std::vector<uint256> hashes;
     Cache set{};
     size_t bytes = megabytes * (1 << 20);
@@ -181,7 +181,7 @@ template <typename Cache>
 static void test_cache_erase_parallel(size_t megabytes)
 {
     double load = 1;
-    SeedInsecureRand(true);
+    SeedInsecureRand(SeedRand::ZEROS);
     std::vector<uint256> hashes;
     Cache set{};
     size_t bytes = megabytes * (1 << 20);
@@ -285,7 +285,7 @@ static void test_cache_generations()
     // iterations with non-deterministic values, so it isn't "overfit" to the
     // specific entropy in FastRandomContext(true) and implementation of the
     // cache.
-    SeedInsecureRand(true);
+    SeedInsecureRand(SeedRand::ZEROS);
 
     // block_activity models a chunk of network activity. n_insert elements are
     // added to the cache. The first and last n/4 are stored for removal later