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Allow manually configured zero work multipliers for testing

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This commit is contained in:
Piotr Wójcik 2025-07-12 21:51:54 +02:00
commit 83f8a931fd
4 changed files with 11 additions and 19 deletions
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14
nano/core_test/difficulty.cpp
View file

@ -10,11 +10,8 @@
#include <gtest/gtest.h>
TEST (difficultyDeathTest, multipliers)
TEST (difficulty, multipliers)
{
// For ASSERT_DEATH_IF_SUPPORTED
testing::FLAGS_gtest_death_test_style = "threadsafe";
{
uint64_t base = 0xff00000000000000;
uint64_t difficulty = 0xfff27e7a57c285cd;
@ -51,19 +48,14 @@ TEST (difficultyDeathTest, multipliers)
ASSERT_EQ (difficulty, nano::difficulty::from_multiplier (expected_multiplier, base));
}
// The death checks don't fail on a release config, so guard against them
#ifndef NDEBUG
// Causes valgrind to be noisy
if (!nano::running_within_valgrind ())
{
uint64_t base = 0xffffffc000000000;
uint64_t difficulty_nil = 0;
double multiplier_nil = 0.;
ASSERT_DEATH_IF_SUPPORTED (nano::difficulty::to_multiplier (difficulty_nil, base), "");
ASSERT_DEATH_IF_SUPPORTED (nano::difficulty::from_multiplier (multiplier_nil, base), "");
ASSERT_EQ (0., nano::difficulty::to_multiplier (difficulty_nil, base));
ASSERT_EQ (0, nano::difficulty::from_multiplier (multiplier_nil, base));
}
#endif
}
TEST (difficulty, overflow)

5
nano/core_test/unchecked_map.cpp
View file

@ -129,11 +129,6 @@ TEST (unchecked, simple)
TEST (unchecked, multiple)
{
nano::test::system system{};
if (nano::rocksdb_config::using_rocksdb_in_tests ())
{
// Don't test this in rocksdb mode
GTEST_SKIP ();
}
nano::unchecked_map unchecked{ max_unchecked_blocks, system.stats, false };
nano::block_builder builder;
auto block = builder

1
nano/lib/constants.cpp
View file

@ -168,7 +168,6 @@ double nano::work_thresholds::denormalized_multiplier (double const multiplier_a
if (threshold_a == epoch_1 || threshold_a == epoch_2_receive)
{
auto ratio (nano::difficulty::to_multiplier (epoch_2, threshold_a));
debug_assert (ratio >= 1);
multiplier = multiplier * ratio + 1.0 - ratio;
debug_assert (multiplier >= 1);
}

10
nano/lib/numbers.cpp
View file

@ -805,7 +805,10 @@ std::ostream & nano::operator<< (std::ostream & os, const nano::account & val)
uint64_t nano::difficulty::from_multiplier (double const multiplier_a, uint64_t const base_difficulty_a)
{
debug_assert (multiplier_a > 0.);
if (multiplier_a <= 0.)
{
return 0;
}
nano::uint128_t reverse_difficulty ((-base_difficulty_a) / multiplier_a);
if (reverse_difficulty > std::numeric_limits<std::uint64_t>::max ())
{
@ -823,7 +826,10 @@ uint64_t nano::difficulty::from_multiplier (double const multiplier_a, uint64_t
double nano::difficulty::to_multiplier (uint64_t const difficulty_a, uint64_t const base_difficulty_a)
{
debug_assert (difficulty_a > 0);
if (difficulty_a == 0)
{
return 0;
}
return static_cast<double> (-base_difficulty_a) / (-difficulty_a);
}