mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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319 lines
8.3 KiB
C++
319 lines
8.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "TestHarness.h"
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#include "nsDeque.h"
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#include "nsCRT.h"
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#include <stdio.h>
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/**************************************************************
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Now define the token deallocator class...
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**************************************************************/
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class _TestDeque {
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public:
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int Test();
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private:
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int OriginalTest();
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int OriginalFlaw();
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int AssignFlaw();
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int TestRemove();
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int TestPushFront();
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int TestEmpty();
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};
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class _Dealloc: public nsDequeFunctor {
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virtual void* operator()(void* aObject) {
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return 0;
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}
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};
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#define TEST(aCondition, aMsg) \
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if (!(aCondition)) { fail("TestDeque: "#aMsg); return 1; }
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/**
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* conduct automated self test for this class
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*
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* @param
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* @return
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*/
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int _TestDeque::Test() {
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/* the old deque should have failed a bunch of these tests */
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int results=0;
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results+=OriginalTest();
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results+=OriginalFlaw();
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results+=AssignFlaw();
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results+=TestRemove();
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results+=TestPushFront();
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results+=TestEmpty();
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return results;
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}
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int _TestDeque::OriginalTest() {
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const int size = 200;
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int ints[size];
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int i=0;
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int temp;
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nsDeque theDeque(new _Dealloc); //construct a simple one...
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// ints = [0...199]
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for (i=0;i<size;i++) { //initialize'em
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ints[i]=i;
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}
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// queue = [0...69]
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for (i=0;i<70;i++) {
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theDeque.Push(&ints[i]);
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temp=*(int*)theDeque.Peek();
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TEST(temp == i, "Verify end after push #1");
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TEST(theDeque.GetSize() == i + 1, "Verify size after push #1");
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}
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TEST(theDeque.GetSize() == 70, "Verify overall size after pushes #1");
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// queue = [0...14]
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for (i=1;i<=55;i++) {
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temp=*(int*)theDeque.Pop();
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TEST(temp == 70-i, "Verify end after pop # 1");
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TEST(theDeque.GetSize() == 70 - i, "Verify size after pop # 1");
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}
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TEST(theDeque.GetSize() == 15, "Verify overall size after pops");
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// queue = [0...14,0...54]
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for (i=0;i<55;i++) {
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theDeque.Push(&ints[i]);
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temp=*(int*)theDeque.Peek();
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TEST(temp == i, "Verify end after push #2");
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TEST(theDeque.GetSize() == i + 15 + 1, "Verify size after push # 2");
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}
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TEST(theDeque.GetSize() == 70, "Verify size after end of all pushes #2");
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// queue = [0...14,0...19]
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for (i=1;i<=35;i++) {
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temp=*(int*)theDeque.Pop();
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TEST(temp == 55-i, "Verify end after pop # 2");
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TEST(theDeque.GetSize() == 70 - i, "Verify size after pop #2");
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}
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TEST(theDeque.GetSize() == 35, "Verify overall size after end of all pops #2");
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// queue = [0...14,0...19,0...34]
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for (i=0;i<35;i++) {
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theDeque.Push(&ints[i]);
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temp = *(int*)theDeque.Peek();
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TEST(temp == i, "Verify end after push # 3");
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TEST(theDeque.GetSize() == 35 + 1 + i, "Verify size after push #3");
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}
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// queue = [0...14,0...19]
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for (i=0;i<35;i++) {
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temp=*(int*)theDeque.Pop();
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TEST(temp == 34 - i, "Verify end after pop # 3");
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}
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// queue = [0...14]
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for (i=0;i<20;i++) {
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temp=*(int*)theDeque.Pop();
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TEST(temp == 19 - i, "Verify end after pop # 4");
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}
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// queue = []
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for (i=0;i<15;i++) {
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temp=*(int*)theDeque.Pop();
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TEST(temp == 14 - i, "Verify end after pop # 5");
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}
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TEST(theDeque.GetSize() == 0, "Deque should finish empty.");
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return 0;
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}
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int _TestDeque::OriginalFlaw() {
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int ints[200];
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int i=0;
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int temp;
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nsDeque d(new _Dealloc);
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/**
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* Test 1. Origin near end, semi full, call Peek().
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* you start, mCapacity is 8
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*/
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printf("fill array\n");
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for (i=0; i<30; i++)
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ints[i]=i;
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for (i=0; i<6; i++) {
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d.Push(&ints[i]);
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temp = *(int*)d.Peek();
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TEST(temp == i, "OriginalFlaw push #1");
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}
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TEST(d.GetSize() == 6, "OriginalFlaw size check #1");
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for (i=0; i<4; i++) {
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temp=*(int*)d.PopFront();
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TEST(temp == i, "PopFront test");
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}
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// d = [4,5]
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TEST(d.GetSize() == 2, "OriginalFlaw size check #2");
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for (i=0; i<4; i++) {
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d.Push(&ints[6 + i]);
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}
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// d = [4...9]
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for (i=4; i<=9; i++) {
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temp=*(int*)d.PopFront();
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TEST(temp == i, "OriginalFlaw empty check");
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}
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return 0;
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}
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int _TestDeque::AssignFlaw() {
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nsDeque src(new _Dealloc),dest(new _Dealloc);
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return 0;
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}
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static bool VerifyContents(const nsDeque& aDeque, const int* aContents, int aLength) {
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for (int i=0; i<aLength; ++i) {
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if (*(int*)aDeque.ObjectAt(i) != aContents[i]) {
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return false;
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}
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}
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return true;
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}
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int _TestDeque::TestRemove() {
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nsDeque d;
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const int count = 10;
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int ints[count];
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for (int i=0; i<count; i++) {
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ints[i] = i;
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}
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for (int i=0; i<6; i++) {
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d.Push(&ints[i]);
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}
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// d = [0...5]
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d.PopFront();
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d.PopFront();
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// d = [2,5]
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for (int i=2; i<=5; i++) {
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int t = *(int*)d.ObjectAt(i-2);
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TEST(t == i, "Verify ObjectAt()");
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}
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d.RemoveObjectAt(1);
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// d == [2,4,5]
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static const int t1[] = {2,4,5};
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TEST(VerifyContents(d, t1, 3), "verify contents t1");
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d.PushFront(&ints[1]);
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d.PushFront(&ints[0]);
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d.PushFront(&ints[7]);
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d.PushFront(&ints[6]);
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// d == [6,7,0,1,2,4,5] // (0==mOrigin)
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static const int t2[] = {6,7,0,1,2,4,5};
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TEST(VerifyContents(d, t2, 7), "verify contents t2");
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d.RemoveObjectAt(1);
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// d == [6,0,1,2,4,5] // (1==mOrigin)
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static const int t3[] = {6,0,1,2,4,5};
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TEST(VerifyContents(d, t3, 6), "verify contents t3");
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d.RemoveObjectAt(5);
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// d == [6,0,1,2,4] // (1==mOrigin)
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static const int t4[] = {6,0,1,2,4};
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TEST(VerifyContents(d, t4, 5), "verify contents t4");
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d.RemoveObjectAt(0);
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// d == [0,1,2,4] // (2==mOrigin)
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static const int t5[] = {0,1,2,4};
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TEST(VerifyContents(d, t5, 4), "verify contents t5");
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return 0;
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}
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int _TestDeque::TestPushFront() {
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// PushFront has some interesting corner cases, primarily we're interested in whether:
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// - wrapping around works properly
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// - growing works properly
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nsDeque d;
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const int kPoolSize = 10;
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const int kMaxSizeBeforeGrowth = 8;
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int pool[kPoolSize];
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for (int i = 0; i < kPoolSize; i++) {
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pool[i] = i;
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}
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for (int i = 0; i < kMaxSizeBeforeGrowth; i++) {
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d.PushFront(pool + i);
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}
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TEST(d.GetSize() == kMaxSizeBeforeGrowth, "verify size");
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static const int t1[] = {7,6,5,4,3,2,1,0};
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TEST(VerifyContents(d, t1, kMaxSizeBeforeGrowth), "verify pushfront 1");
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// Now push one more so it grows
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d.PushFront(pool + kMaxSizeBeforeGrowth);
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TEST(d.GetSize() == kMaxSizeBeforeGrowth + 1, "verify size");
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static const int t2[] = {8,7,6,5,4,3,2,1,0};
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TEST(VerifyContents(d, t2, kMaxSizeBeforeGrowth + 1), "verify pushfront 2");
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// And one more so that it wraps again
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d.PushFront(pool + kMaxSizeBeforeGrowth + 1);
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TEST(d.GetSize() == kMaxSizeBeforeGrowth + 2, "verify size");
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static const int t3[] = {9,8,7,6,5,4,3,2,1,0};
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TEST(VerifyContents(d, t3, kMaxSizeBeforeGrowth + 2), "verify pushfront 3");
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return 0;
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}
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int _TestDeque::TestEmpty() {
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// Make sure nsDeque gives sane results if it's empty.
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nsDeque d;
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TEST(d.GetSize() == 0, "Size should be 0");
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TEST(d.Pop() == nullptr, "Invalid operation should return nullptr");
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TEST(d.PopFront() == nullptr, "Invalid operation should return nullptr");
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TEST(d.Peek() == nullptr, "Invalid operation should return nullptr");
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TEST(d.PeekFront() == nullptr, "Invalid operation should return nullptr");
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TEST(d.ObjectAt(0) == nullptr, "Invalid operation should return nullptr");
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TEST(d.Last() == nullptr, "Invalid operation should return nullptr");
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// Fill it up and drain it.
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for (size_t i = 0; i < 8; i++) {
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d.Push((void*)0xAA);
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}
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for (size_t i = 0; i < 8; i++) {
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(void)d.Pop();
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}
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// Now check it again.
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TEST(d.GetSize() == 0, "Size should be 0");
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TEST(d.Pop() == nullptr, "Invalid operation should return nullptr");
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TEST(d.PopFront() == nullptr, "Invalid operation should return nullptr");
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TEST(d.Peek() == nullptr, "Invalid operation should return nullptr");
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TEST(d.PeekFront() == nullptr, "Invalid operation should return nullptr");
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TEST(d.ObjectAt(0) == nullptr, "Invalid operation should return nullptr");
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TEST(d.Last() == nullptr, "Invalid operation should return nullptr");
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return 0;
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}
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int main (void) {
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ScopedXPCOM xpcom("TestDeque");
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NS_ENSURE_FALSE(xpcom.failed(), 1);
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_TestDeque test;
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int result = test.Test();
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TEST(result == 0, "All tests pass");
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return 0;
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}
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