llvm/unittests/ADT/SmallVectorExtrasTest.cpp

   1 //===- llvm/unittest/ADT/SmallVectorExtrasTest.cpp ------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // SmallVectorExtras unit tests.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #include "llvm/ADT/SmallVectorExtras.h"
  14 #include "gmock/gmock.h"
  15 #include "gtest/gtest.h"
  16
  17 #include <type_traits>
  18 #include <vector>
  19
  20 using testing::ElementsAre;
  21
  22 namespace llvm {
  23 namespace {
  24
  25 TEST(SmallVectorExtrasTest, FilterToVector) {
  26   std::vector<int> Numbers = {0, 1, 2, 3, 4};
  27   auto Odd = filter_to_vector<2>(Numbers, [](int X) { return (X % 2) != 0; });
  28   static_assert(std::is_same_v<decltype(Odd), SmallVector<int, 2>>);
  29   EXPECT_THAT(Odd, ElementsAre(1, 3));
  30
  31   auto Even = filter_to_vector(Numbers, [](int X) { return (X % 2) == 0; });
  32   static_assert(std::is_same_v<decltype(Even), SmallVector<int>>);
  33   EXPECT_THAT(Even, ElementsAre(0, 2, 4));
  34 }
  35
  36 } // end namespace
  37 } // namespace llvm