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