Function TEST_F

bolt/expression/fuzzer/tests/ExpressionFuzzerUnitTest.cpp:85–119

namespace

}
} // namespace
TEST_F(ExpressionFuzzerUnitTest, restrictedLevelOfNesting) {
  bolt::functions::prestosql::registerAllScalarFunctions();
  std::mt19937 seed{0};

  auto testLevelOfNesting = [&](int32_t maxLevelOfNesting) {
    ExpressionFuzzer fuzzer{
        bolt::getFunctionSignatures(),
        0,
        vectorfuzzer,
        makeOptionsWithMaxLevelNesting(maxLevelOfNesting),
    };

    for (int i = 0; i < 5000; ++i) {
      auto expression = fuzzer.fuzzExpression().expressions[0];
      EXPECT_LE(countLevelOfNesting(expression), std::max(1, maxLevelOfNesting))
          << fmt::format(
                 "Expression {} exceeds max level of nesting {} (original {})",
                 expression->toString(),
                 std::max(1, maxLevelOfNesting),
                 maxLevelOfNesting);
    }
  };

  testLevelOfNesting(10);

  testLevelOfNesting(5);

  testLevelOfNesting(2);

  testLevelOfNesting(1);

  testLevelOfNesting(0);

  testLevelOfNesting(-1);
}

TEST_F(ExpressionFuzzerUnitTest, reproduceExpressionWithSeed) {
  bolt::functions::prestosql::registerAllScalarFunctions();