Function TEST

src/colmap/math/random_test.cc:42–57

namespace {

TEST(PRNGSeed, Nominal) {
  EXPECT_TRUE(PRNG == nullptr);
  SetPRNGSeed();
  EXPECT_TRUE(PRNG != nullptr);
  SetPRNGSeed(0);
  EXPECT_TRUE(PRNG != nullptr);
  std::thread thread([]() {
    // Each thread defines their own PRNG instance.
    EXPECT_TRUE(PRNG == nullptr);
    SetPRNGSeed();
    EXPECT_TRUE(PRNG != nullptr);
    SetPRNGSeed(0);
    EXPECT_TRUE(PRNG != nullptr);
  });
  thread.join();
}

TEST(Repeatability, Nominal) {
  constexpr size_t kNumPoints = 100;