michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: // vim:cindent:ts=4:et:sw=4:
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "TestHarness.h"
michael@0: #include "nsCOMArray.h"
michael@0: #include "mozilla/Attributes.h"
michael@0: 
michael@0: // {9e70a320-be02-11d1-8031-006008159b5a}
michael@0: #define NS_IFOO_IID \
michael@0:   {0x9e70a320, 0xbe02, 0x11d1,    \
michael@0:     {0x80, 0x31, 0x00, 0x60, 0x08, 0x15, 0x9b, 0x5a}}
michael@0: 
michael@0: class IFoo : public nsISupports {
michael@0: public:
michael@0: 
michael@0:   NS_DECLARE_STATIC_IID_ACCESSOR(NS_IFOO_IID)
michael@0: 
michael@0:   NS_IMETHOD_(MozExternalRefCountType) RefCnt() = 0;
michael@0:   NS_IMETHOD_(int32_t) ID() = 0;
michael@0: };
michael@0: 
michael@0: NS_DEFINE_STATIC_IID_ACCESSOR(IFoo, NS_IFOO_IID)
michael@0: 
michael@0: class Foo MOZ_FINAL : public IFoo {
michael@0: public:
michael@0: 
michael@0:   Foo(int32_t aID);
michael@0:   ~Foo();
michael@0: 
michael@0:   // nsISupports implementation
michael@0:   NS_DECL_ISUPPORTS
michael@0: 
michael@0:   // IFoo implementation
michael@0:   NS_IMETHOD_(MozExternalRefCountType) RefCnt() { return mRefCnt; }
michael@0:   NS_IMETHOD_(int32_t) ID() { return mID; }
michael@0: 
michael@0:   static int32_t gCount;
michael@0: 
michael@0:   int32_t mID;
michael@0: };
michael@0: 
michael@0: int32_t Foo::gCount = 0;
michael@0: 
michael@0: Foo::Foo(int32_t aID)
michael@0: {
michael@0:   mID = aID;
michael@0:   ++gCount;
michael@0: }
michael@0: 
michael@0: Foo::~Foo()
michael@0: {
michael@0:   --gCount;
michael@0: }
michael@0: 
michael@0: NS_IMPL_ISUPPORTS(Foo, IFoo)
michael@0: 
michael@0: 
michael@0: typedef nsCOMArray<IFoo> Array;
michael@0: 
michael@0: 
michael@0: // {0e70a320-be02-11d1-8031-006008159b5a}
michael@0: #define NS_IBAR_IID \
michael@0:   {0x0e70a320, 0xbe02, 0x11d1,    \
michael@0:     {0x80, 0x31, 0x00, 0x60, 0x08, 0x15, 0x9b, 0x5a}}
michael@0: 
michael@0: class IBar : public nsISupports {
michael@0: public:
michael@0: 
michael@0:   NS_DECLARE_STATIC_IID_ACCESSOR(NS_IBAR_IID)
michael@0: };
michael@0: 
michael@0: NS_DEFINE_STATIC_IID_ACCESSOR(IBar, NS_IBAR_IID)
michael@0: 
michael@0: class Bar MOZ_FINAL : public IBar {
michael@0: public:
michael@0: 
michael@0:   explicit Bar(nsCOMArray<IBar>& aArray);
michael@0:   ~Bar();
michael@0: 
michael@0:   // nsISupports implementation
michael@0:   NS_DECL_ISUPPORTS
michael@0: 
michael@0:   static int32_t sReleaseCalled;
michael@0: 
michael@0: private:
michael@0:   nsCOMArray<IBar>& mArray;
michael@0: };
michael@0: 
michael@0: int32_t Bar::sReleaseCalled = 0;
michael@0: 
michael@0: typedef nsCOMArray<IBar> Array2;
michael@0: 
michael@0: Bar::Bar(Array2& aArray)
michael@0:   : mArray(aArray)
michael@0: {
michael@0: }
michael@0: 
michael@0: Bar::~Bar()
michael@0: {
michael@0:   if (mArray.RemoveObject(this)) {
michael@0:     fail("We should never manage to remove the object here");
michael@0:   }
michael@0: }
michael@0: 
michael@0: NS_IMPL_ADDREF(Bar)
michael@0: NS_IMPL_QUERY_INTERFACE(Bar, IBar)
michael@0: 
michael@0: NS_IMETHODIMP_(MozExternalRefCountType)
michael@0: Bar::Release(void)
michael@0: {
michael@0:   ++Bar::sReleaseCalled;
michael@0:   MOZ_ASSERT(int32_t(mRefCnt) > 0, "dup release");
michael@0:   NS_ASSERT_OWNINGTHREAD(_class);
michael@0:   --mRefCnt;
michael@0:   NS_LOG_RELEASE(this, mRefCnt, "Bar");
michael@0:   if (mRefCnt == 0) {
michael@0:     mRefCnt = 1; /* stabilize */
michael@0:     delete this;
michael@0:     return 0;
michael@0:   }
michael@0:   return mRefCnt;
michael@0: }
michael@0: 
michael@0: 
michael@0: int main(int argc, char **argv)
michael@0: {
michael@0:   ScopedXPCOM xpcom("nsCOMArrayTests");
michael@0:   if (xpcom.failed()) {
michael@0:     return 1;
michael@0:   }
michael@0: 
michael@0:   int rv = 0;
michael@0: 
michael@0:   Array arr;
michael@0: 
michael@0:   for (int32_t i = 0; i < 20; ++i) {
michael@0:     nsCOMPtr<IFoo> foo = new Foo(i);
michael@0:     arr.AppendObject(foo);
michael@0:   }
michael@0: 
michael@0:   if (arr.Count() != 20 || Foo::gCount != 20) {
michael@0:     fail("nsCOMArray::AppendObject failed");
michael@0:     rv = 1;
michael@0:   }
michael@0: 
michael@0:   arr.TruncateLength(10);
michael@0: 
michael@0:   if (arr.Count() != 10 || Foo::gCount != 10) {
michael@0:     fail("nsCOMArray::TruncateLength shortening of array failed");
michael@0:     rv = 1;
michael@0:   }
michael@0: 
michael@0:   arr.SetCount(30);
michael@0: 
michael@0:   if (arr.Count() != 30 || Foo::gCount != 10) {
michael@0:     fail("nsCOMArray::SetCount lengthening of array failed");
michael@0:     rv = 1;
michael@0:   }
michael@0: 
michael@0:   for (int32_t i = 0; i < 10; ++i) {
michael@0: 	if (arr[i] == nullptr) {
michael@0:       fail("nsCOMArray elements should be non-null");
michael@0:       rv = 1;
michael@0: 	  break;
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   for (int32_t i = 10; i < 30; ++i) {
michael@0: 	if (arr[i] != nullptr) {
michael@0:       fail("nsCOMArray elements should be null");
michael@0:       rv = 1;
michael@0: 	  break;
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   int32_t base;
michael@0:   {
michael@0:     Array2 arr2;
michael@0: 
michael@0:     IBar *thirdObject = nullptr,
michael@0:          *fourthObject = nullptr,
michael@0:          *fifthObject = nullptr,
michael@0:          *ninthObject = nullptr;
michael@0:     for (int32_t i = 0; i < 20; ++i) {
michael@0:       nsCOMPtr<IBar> bar = new Bar(arr2);
michael@0:       switch (i) {
michael@0:       case 2:
michael@0:         thirdObject = bar; break;
michael@0:       case 3:
michael@0:         fourthObject = bar; break;
michael@0:       case 4:
michael@0:         fifthObject = bar; break;
michael@0:       case 8:
michael@0:         ninthObject = bar; break;
michael@0:       }
michael@0:       arr2.AppendObject(bar);
michael@0:     }
michael@0: 
michael@0:     base = Bar::sReleaseCalled;
michael@0: 
michael@0:     arr2.SetCount(10);
michael@0:     if (Bar::sReleaseCalled != base + 10) {
michael@0:       fail("Release called multiple times for SetCount");
michael@0:     }
michael@0:     if (arr2.Count() != 10) {
michael@0:       fail("SetCount(10) should remove exactly ten objects");
michael@0:     }
michael@0: 
michael@0:     arr2.RemoveObjectAt(9);
michael@0:     if (Bar::sReleaseCalled != base + 11) {
michael@0:       fail("Release called multiple times for RemoveObjectAt");
michael@0:     }
michael@0:     if (arr2.Count() != 9) {
michael@0:       fail("RemoveObjectAt should remove exactly one object");
michael@0:     }
michael@0: 
michael@0:     arr2.RemoveObject(ninthObject);
michael@0:     if (Bar::sReleaseCalled != base + 12) {
michael@0:       fail("Release called multiple times for RemoveObject");
michael@0:     }
michael@0:     if (arr2.Count() != 8) {
michael@0:       fail("RemoveObject should remove exactly one object");
michael@0:     }
michael@0: 
michael@0:     arr2.RemoveObjectsAt(2, 3);
michael@0:     if (Bar::sReleaseCalled != base + 15) {
michael@0:       fail("Release called more or less than three times for RemoveObjectsAt");
michael@0:     }
michael@0:     if (arr2.Count() != 5) {
michael@0:       fail("RemoveObjectsAt should remove exactly three objects");
michael@0:     }
michael@0:     for (int32_t j = 0; j < arr2.Count(); ++j) {
michael@0:       if (arr2.ObjectAt(j) == thirdObject) {
michael@0:         fail("RemoveObjectsAt should have removed thirdObject");
michael@0:       }
michael@0:       if (arr2.ObjectAt(j) == fourthObject) {
michael@0:         fail("RemoveObjectsAt should have removed fourthObject");
michael@0:       }
michael@0:       if (arr2.ObjectAt(j) == fifthObject) {
michael@0:         fail("RemoveObjectsAt should have removed fifthObject");
michael@0:       }
michael@0:     }
michael@0: 
michael@0:     arr2.RemoveObjectsAt(4, 1);
michael@0:     if (Bar::sReleaseCalled != base + 16) {
michael@0:       fail("Release called more or less than one time for RemoveObjectsAt");
michael@0:     }
michael@0:     if (arr2.Count() != 4) {
michael@0:       fail("RemoveObjectsAt should work for removing the last element");
michael@0:     }
michael@0: 
michael@0:     arr2.Clear();
michael@0:     if (Bar::sReleaseCalled != base + 20) {
michael@0:       fail("Release called multiple times for Clear");
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   {
michael@0:     Array2 arr2;
michael@0: 
michael@0:     IBar *thirdElement = nullptr,
michael@0:          *fourthElement = nullptr,
michael@0:          *fifthElement = nullptr,
michael@0:          *ninthElement = nullptr;
michael@0:     for (int32_t i = 0; i < 20; ++i) {
michael@0:       nsCOMPtr<IBar> bar = new Bar(arr2);
michael@0:       switch (i) {
michael@0:       case 2:
michael@0:         thirdElement = bar; break;
michael@0:       case 3:
michael@0:         fourthElement = bar; break;
michael@0:       case 4:
michael@0:         fifthElement = bar; break;
michael@0:       case 8:
michael@0:         ninthElement = bar; break;
michael@0:       }
michael@0:       arr2.AppendElement(bar);
michael@0:     }
michael@0: 
michael@0:     base = Bar::sReleaseCalled;
michael@0: 
michael@0:     arr2.TruncateLength(10);
michael@0:     if (Bar::sReleaseCalled != base + 10) {
michael@0:       fail("Release called multiple times for TruncateLength");
michael@0:     }
michael@0:     if (arr2.Length() != 10) {
michael@0:       fail("TruncateLength(10) should remove exactly ten objects");
michael@0:     }
michael@0: 
michael@0:     arr2.RemoveElementAt(9);
michael@0:     if (Bar::sReleaseCalled != base + 11) {
michael@0:       fail("Release called multiple times for RemoveElementAt");
michael@0:     }
michael@0:     if (arr2.Length() != 9) {
michael@0:       fail("RemoveElementAt should remove exactly one object");
michael@0:     }
michael@0: 
michael@0:     arr2.RemoveElement(ninthElement);
michael@0:     if (Bar::sReleaseCalled != base + 12) {
michael@0:       fail("Release called multiple times for RemoveElement");
michael@0:     }
michael@0:     if (arr2.Length() != 8) {
michael@0:       fail("RemoveElement should remove exactly one object");
michael@0:     }
michael@0: 
michael@0:     arr2.RemoveElementsAt(2, 3);
michael@0:     if (Bar::sReleaseCalled != base + 15) {
michael@0:       fail("Release called more or less than three times for RemoveElementsAt");
michael@0:     }
michael@0:     if (arr2.Length() != 5) {
michael@0:       fail("RemoveElementsAt should remove exactly three objects");
michael@0:     }
michael@0:     for (uint32_t j = 0; j < arr2.Length(); ++j) {
michael@0:       if (arr2.ElementAt(j) == thirdElement) {
michael@0:         fail("RemoveElementsAt should have removed thirdElement");
michael@0:       }
michael@0:       if (arr2.ElementAt(j) == fourthElement) {
michael@0:         fail("RemoveElementsAt should have removed fourthElement");
michael@0:       }
michael@0:       if (arr2.ElementAt(j) == fifthElement) {
michael@0:         fail("RemoveElementsAt should have removed fifthElement");
michael@0:       }
michael@0:     }
michael@0: 
michael@0:     arr2.RemoveElementsAt(4, 1);
michael@0:     if (Bar::sReleaseCalled != base + 16) {
michael@0:       fail("Release called more or less than one time for RemoveElementsAt");
michael@0:     }
michael@0:     if (arr2.Length() != 4) {
michael@0:       fail("RemoveElementsAt should work for removing the last element");
michael@0:     }
michael@0: 
michael@0:     arr2.Clear();
michael@0:     if (Bar::sReleaseCalled != base + 20) {
michael@0:       fail("Release called multiple times for Clear");
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   Bar::sReleaseCalled = 0;
michael@0: 
michael@0:   {
michael@0:     Array2 arr2;
michael@0: 
michael@0:     for (int32_t i = 0; i < 20; ++i) {
michael@0:       nsCOMPtr<IBar> bar  = new Bar(arr2);
michael@0:       arr2.AppendObject(bar);
michael@0:     }
michael@0: 
michael@0:     base = Bar::sReleaseCalled;
michael@0: 
michael@0:     // Let arr2 be destroyed
michael@0:   }
michael@0:   if (Bar::sReleaseCalled != base + 20) {
michael@0:     fail("Release called multiple times for nsCOMArray::~nsCOMArray");
michael@0:   }
michael@0: 
michael@0:   return rv;
michael@0: }