Method CheckClear

cpp/src/arrow/util/small_vector_test.cc:233–242

  template <size_t N>
  void CheckClear(bool expect_overflow) {
    IntVectorType<N> ints = MakeVector<N>({5, 6, 7, 8, 9});
    ASSERT_EQ(ints.size(), 5);
    size_t capacity = ints.capacity();

    ints.clear();
    ASSERT_EQ(ints.size(), 0);
    ASSERT_EQ(ints.capacity(), capacity);
    ASSERT_EQ(UsesStaticStorage(ints), !expect_overflow);
  }

  void TestClear() {
    CheckClear<Traits::TestSizeFor(5)>(/*expect_overflow=*/Traits::CanOverflow());