| //===- llvm/unittest/ADT/EnumeratedArrayTest.cpp ----------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // EnumeratedArray unit tests. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/ADT/EnumeratedArray.h" |
| #include "llvm/ADT/iterator_range.h" |
| #include "gmock/gmock.h" |
| #include "gtest/gtest.h" |
| #include <type_traits> |
| |
| namespace llvm { |
| |
| //===--------------------------------------------------------------------===// |
| // Test initialization and use of operator[] for both read and write. |
| //===--------------------------------------------------------------------===// |
| |
| TEST(EnumeratedArray, InitAndIndex) { |
| |
| enum class Colors { Red, Blue, Green, Last = Green }; |
| |
| EnumeratedArray<float, Colors, Colors::Last, size_t> Array1; |
| |
| Array1[Colors::Red] = 1.0; |
| Array1[Colors::Blue] = 2.0; |
| Array1[Colors::Green] = 3.0; |
| |
| EXPECT_EQ(Array1[Colors::Red], 1.0); |
| EXPECT_EQ(Array1[Colors::Blue], 2.0); |
| EXPECT_EQ(Array1[Colors::Green], 3.0); |
| |
| EnumeratedArray<bool, Colors> Array2(true); |
| |
| EXPECT_TRUE(Array2[Colors::Red]); |
| EXPECT_TRUE(Array2[Colors::Blue]); |
| EXPECT_TRUE(Array2[Colors::Green]); |
| |
| Array2[Colors::Red] = true; |
| Array2[Colors::Blue] = false; |
| Array2[Colors::Green] = true; |
| |
| EXPECT_TRUE(Array2[Colors::Red]); |
| EXPECT_FALSE(Array2[Colors::Blue]); |
| EXPECT_TRUE(Array2[Colors::Green]); |
| |
| EnumeratedArray<float, Colors, Colors::Last, size_t> Array3 = {10.0, 11.0, |
| 12.0}; |
| EXPECT_EQ(Array3[Colors::Red], 10.0); |
| EXPECT_EQ(Array3[Colors::Blue], 11.0); |
| EXPECT_EQ(Array3[Colors::Green], 12.0); |
| } |
| |
| //===--------------------------------------------------------------------===// |
| // Test size and empty function |
| //===--------------------------------------------------------------------===// |
| |
| TEST(EnumeratedArray, Size) { |
| |
| enum class Colors { Red, Blue, Green, Last = Green }; |
| |
| EnumeratedArray<float, Colors, Colors::Last, size_t> Array; |
| const auto &ConstArray = Array; |
| |
| EXPECT_EQ(ConstArray.size(), 3u); |
| EXPECT_EQ(ConstArray.empty(), false); |
| } |
| |
| //===--------------------------------------------------------------------===// |
| // Test iterators |
| //===--------------------------------------------------------------------===// |
| |
| TEST(EnumeratedArray, Iterators) { |
| |
| enum class Colors { Red, Blue, Green, Last = Green }; |
| |
| EnumeratedArray<float, Colors, Colors::Last, size_t> Array; |
| const auto &ConstArray = Array; |
| |
| Array[Colors::Red] = 1.0; |
| Array[Colors::Blue] = 2.0; |
| Array[Colors::Green] = 3.0; |
| |
| EXPECT_THAT(Array, testing::ElementsAre(1.0, 2.0, 3.0)); |
| EXPECT_THAT(ConstArray, testing::ElementsAre(1.0, 2.0, 3.0)); |
| |
| EXPECT_THAT(make_range(Array.rbegin(), Array.rend()), |
| testing::ElementsAre(3.0, 2.0, 1.0)); |
| EXPECT_THAT(make_range(ConstArray.rbegin(), ConstArray.rend()), |
| testing::ElementsAre(3.0, 2.0, 1.0)); |
| } |
| |
| //===--------------------------------------------------------------------===// |
| // Test typedefs |
| //===--------------------------------------------------------------------===// |
| |
| namespace { |
| |
| enum class Colors { Red, Blue, Green, Last = Green }; |
| |
| using Array = EnumeratedArray<float, Colors, Colors::Last, size_t>; |
| |
| static_assert(std::is_same_v<Array::value_type, float>, |
| "Incorrect value_type type"); |
| static_assert(std::is_same_v<Array::reference, float &>, |
| "Incorrect reference type!"); |
| static_assert(std::is_same_v<Array::pointer, float *>, |
| "Incorrect pointer type!"); |
| static_assert(std::is_same_v<Array::const_reference, const float &>, |
| "Incorrect const_reference type!"); |
| static_assert(std::is_same_v<Array::const_pointer, const float *>, |
| "Incorrect const_pointer type!"); |
| } // namespace |
| |
| } // namespace llvm |