xpcom/tests/gtest/TestCOMPtrEq.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 /**
   7  * This attempts to test all the possible variations of |operator==|
   8  * used with |nsCOMPtr|s.
   9  */
  10
  11 #include "nsCOMPtr.h"
  12 #include "gtest/gtest.h"
  13
  14 #define NS_ICOMPTREQTESTFOO_IID                      \
  15   {                                                  \
  16     0x8eb5bbef, 0xd1a3, 0x4659, {                    \
  17       0x9c, 0xf6, 0xfd, 0xf3, 0xe4, 0xd2, 0x00, 0x0e \
  18     }                                                \
  19   }
  20
  21 class nsICOMPtrEqTestFoo : public nsISupports {
  22  public:
  23   NS_DECLARE_STATIC_IID_ACCESSOR(NS_ICOMPTREQTESTFOO_IID)
  24 };
  25
  26 NS_DEFINE_STATIC_IID_ACCESSOR(nsICOMPtrEqTestFoo, NS_ICOMPTREQTESTFOO_IID)
  27
  28 TEST(COMPtrEq, NullEquality)
  29 {
  30   nsCOMPtr<nsICOMPtrEqTestFoo> s;
  31   nsICOMPtrEqTestFoo* r = nullptr;
  32   const nsCOMPtr<nsICOMPtrEqTestFoo> sc;
  33   const nsICOMPtrEqTestFoo* rc = nullptr;
  34   nsICOMPtrEqTestFoo* const rk = nullptr;
  35   const nsICOMPtrEqTestFoo* const rkc = nullptr;
  36   nsICOMPtrEqTestFoo* d = s;
  37
  38   ASSERT_EQ(s, s);
  39   ASSERT_EQ(s, r);
  40   ASSERT_EQ(s, sc);
  41   ASSERT_EQ(s, rc);
  42   ASSERT_EQ(s, rk);
  43   ASSERT_EQ(s, rkc);
  44   ASSERT_EQ(s, d);
  45   ASSERT_EQ(r, s);
  46   ASSERT_EQ(r, sc);
  47   ASSERT_EQ(r, rc);
  48   ASSERT_EQ(r, rk);
  49   ASSERT_EQ(r, rkc);
  50   ASSERT_EQ(r, d);
  51   ASSERT_EQ(sc, s);
  52   ASSERT_EQ(sc, r);
  53   ASSERT_EQ(sc, sc);
  54   ASSERT_EQ(sc, rc);
  55   ASSERT_EQ(sc, rk);
  56   ASSERT_EQ(sc, rkc);
  57   ASSERT_EQ(sc, d);
  58   ASSERT_EQ(rc, s);
  59   ASSERT_EQ(rc, r);
  60   ASSERT_EQ(rc, sc);
  61   ASSERT_EQ(rc, rk);
  62   ASSERT_EQ(rc, rkc);
  63   ASSERT_EQ(rc, d);
  64   ASSERT_EQ(rk, s);
  65   ASSERT_EQ(rk, r);
  66   ASSERT_EQ(rk, sc);
  67   ASSERT_EQ(rk, rc);
  68   ASSERT_EQ(rk, rkc);
  69   ASSERT_EQ(rk, d);
  70   ASSERT_EQ(rkc, s);
  71   ASSERT_EQ(rkc, r);
  72   ASSERT_EQ(rkc, sc);
  73   ASSERT_EQ(rkc, rc);
  74   ASSERT_EQ(rkc, rk);
  75   ASSERT_EQ(rkc, d);
  76   ASSERT_EQ(d, s);
  77   ASSERT_EQ(d, r);
  78   ASSERT_EQ(d, sc);
  79   ASSERT_EQ(d, rc);
  80   ASSERT_EQ(d, rk);
  81   ASSERT_EQ(d, rkc);
  82 }