unittests/ADT/MakeUniqueTest.cpp

   1 //===- llvm/unittest/ADT/MakeUniqueTest.cpp - std::make_unique unit tests ------===//
   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 #include "llvm/ADT/STLExtras.h"
  10 #include "gtest/gtest.h"
  11 #include <tuple>
  12 using namespace llvm;
  13
  14 namespace {
  15
  16 TEST(MakeUniqueTest, SingleObject) {
  17   auto p0 = std::make_unique<int>();
  18   EXPECT_TRUE((bool)p0);
  19   EXPECT_EQ(0, *p0);
  20
  21   auto p1 = std::make_unique<int>(5);
  22   EXPECT_TRUE((bool)p1);
  23   EXPECT_EQ(5, *p1);
  24
  25   auto p2 = std::make_unique<std::tuple<int, int>>(0, 1);
  26   EXPECT_TRUE((bool)p2);
  27   EXPECT_EQ(std::make_tuple(0, 1), *p2);
  28
  29   auto p3 = std::make_unique<std::tuple<int, int, int>>(0, 1, 2);
  30   EXPECT_TRUE((bool)p3);
  31   EXPECT_EQ(std::make_tuple(0, 1, 2), *p3);
  32
  33   auto p4 = std::make_unique<std::tuple<int, int, int, int>>(0, 1, 2, 3);
  34   EXPECT_TRUE((bool)p4);
  35   EXPECT_EQ(std::make_tuple(0, 1, 2, 3), *p4);
  36
  37   auto p5 = std::make_unique<std::tuple<int, int, int, int, int>>(0, 1, 2, 3, 4);
  38   EXPECT_TRUE((bool)p5);
  39   EXPECT_EQ(std::make_tuple(0, 1, 2, 3, 4), *p5);
  40
  41   auto p6 =
  42       std::make_unique<std::tuple<int, int, int, int, int, int>>(0, 1, 2, 3, 4, 5);
  43   EXPECT_TRUE((bool)p6);
  44   EXPECT_EQ(std::make_tuple(0, 1, 2, 3, 4, 5), *p6);
  45
  46   auto p7 = std::make_unique<std::tuple<int, int, int, int, int, int, int>>(
  47       0, 1, 2, 3, 4, 5, 6);
  48   EXPECT_TRUE((bool)p7);
  49   EXPECT_EQ(std::make_tuple(0, 1, 2, 3, 4, 5, 6), *p7);
  50
  51   auto p8 = std::make_unique<std::tuple<int, int, int, int, int, int, int, int>>(
  52       0, 1, 2, 3, 4, 5, 6, 7);
  53   EXPECT_TRUE((bool)p8);
  54   EXPECT_EQ(std::make_tuple(0, 1, 2, 3, 4, 5, 6, 7), *p8);
  55
  56   auto p9 =
  57       std::make_unique<std::tuple<int, int, int, int, int, int, int, int, int>>(
  58           0, 1, 2, 3, 4, 5, 6, 7, 8);
  59   EXPECT_TRUE((bool)p9);
  60   EXPECT_EQ(std::make_tuple(0, 1, 2, 3, 4, 5, 6, 7, 8), *p9);
  61
  62   auto p10 =
  63       std::make_unique<std::tuple<int, int, int, int, int, int, int, int, int, int>>(
  64           0, 1, 2, 3, 4, 5, 6, 7, 8, 9);
  65   EXPECT_TRUE((bool)p10);
  66   EXPECT_EQ(std::make_tuple(0, 1, 2, 3, 4, 5, 6, 7, 8, 9), *p10);
  67 }
  68
  69 TEST(MakeUniqueTest, Array) {
  70   auto p1 = std::make_unique<int[]>(2);
  71   EXPECT_TRUE((bool)p1);
  72   EXPECT_EQ(0, p1[0]);
  73   EXPECT_EQ(0, p1[1]);
  74 }
  75 }