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      1 //===- llvm/unittest/ADT/MakeUniqueTest.cpp - make_unique unit tests ------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is distributed under the University of Illinois Open Source
      6 // License. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 #include "llvm/ADT/STLExtras.h"
     11 #include "gtest/gtest.h"
     12 #include <tuple>
     13 using namespace llvm;
     14 
     15 namespace {
     16 
     17 TEST(MakeUniqueTest, SingleObject) {
     18   auto p0 = make_unique<int>();
     19   EXPECT_TRUE((bool)p0);
     20   EXPECT_EQ(0, *p0);
     21 
     22   auto p1 = make_unique<int>(5);
     23   EXPECT_TRUE((bool)p1);
     24   EXPECT_EQ(5, *p1);
     25 
     26   auto p2 = make_unique<std::tuple<int, int>>(0, 1);
     27   EXPECT_TRUE((bool)p2);
     28   EXPECT_EQ(std::make_tuple(0, 1), *p2);
     29 
     30   auto p3 = make_unique<std::tuple<int, int, int>>(0, 1, 2);
     31   EXPECT_TRUE((bool)p3);
     32   EXPECT_EQ(std::make_tuple(0, 1, 2), *p3);
     33 
     34   auto p4 = make_unique<std::tuple<int, int, int, int>>(0, 1, 2, 3);
     35   EXPECT_TRUE((bool)p4);
     36   EXPECT_EQ(std::make_tuple(0, 1, 2, 3), *p4);
     37 
     38   auto p5 = make_unique<std::tuple<int, int, int, int, int>>(0, 1, 2, 3, 4);
     39   EXPECT_TRUE((bool)p5);
     40   EXPECT_EQ(std::make_tuple(0, 1, 2, 3, 4), *p5);
     41 
     42   auto p6 =
     43       make_unique<std::tuple<int, int, int, int, int, int>>(0, 1, 2, 3, 4, 5);
     44   EXPECT_TRUE((bool)p6);
     45   EXPECT_EQ(std::make_tuple(0, 1, 2, 3, 4, 5), *p6);
     46 
     47   auto p7 = make_unique<std::tuple<int, int, int, int, int, int, int>>(
     48       0, 1, 2, 3, 4, 5, 6);
     49   EXPECT_TRUE((bool)p7);
     50   EXPECT_EQ(std::make_tuple(0, 1, 2, 3, 4, 5, 6), *p7);
     51 
     52   auto p8 = make_unique<std::tuple<int, int, int, int, int, int, int, int>>(
     53       0, 1, 2, 3, 4, 5, 6, 7);
     54   EXPECT_TRUE((bool)p8);
     55   EXPECT_EQ(std::make_tuple(0, 1, 2, 3, 4, 5, 6, 7), *p8);
     56 
     57   auto p9 =
     58       make_unique<std::tuple<int, int, int, int, int, int, int, int, int>>(
     59           0, 1, 2, 3, 4, 5, 6, 7, 8);
     60   EXPECT_TRUE((bool)p9);
     61   EXPECT_EQ(std::make_tuple(0, 1, 2, 3, 4, 5, 6, 7, 8), *p9);
     62 
     63   auto p10 =
     64       make_unique<std::tuple<int, int, int, int, int, int, int, int, int, int>>(
     65           0, 1, 2, 3, 4, 5, 6, 7, 8, 9);
     66   EXPECT_TRUE((bool)p10);
     67   EXPECT_EQ(std::make_tuple(0, 1, 2, 3, 4, 5, 6, 7, 8, 9), *p10);
     68 }
     69 
     70 TEST(MakeUniqueTest, Array) {
     71   auto p1 = make_unique<int[]>(2);
     72   EXPECT_TRUE((bool)p1);
     73   EXPECT_EQ(0, p1[0]);
     74   EXPECT_EQ(0, p1[1]);
     75 }
     76 }
     77