зеркало из https://github.com/mozilla/gecko-dev.git
200 строки
5.5 KiB
C++
200 строки
5.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/SmallPointerArray.h"
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#define PTR1 (void*)0x4
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#define PTR2 (void*)0x5
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#define PTR3 (void*)0x6
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// We explicitly test sizes up to 3 here, as that is when SmallPointerArray<>
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// switches to the storage method used for larger arrays.
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void TestArrayManipulation() {
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using namespace mozilla;
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SmallPointerArray<void> testArray;
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MOZ_RELEASE_ASSERT(testArray.Length() == 0);
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MOZ_RELEASE_ASSERT(sizeof(testArray) == 2 * sizeof(void*));
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MOZ_RELEASE_ASSERT(!testArray.Contains(PTR1));
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testArray.AppendElement(PTR1);
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MOZ_RELEASE_ASSERT(testArray.Length() == 1);
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MOZ_RELEASE_ASSERT(testArray[0] == PTR1);
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MOZ_RELEASE_ASSERT(testArray.ElementAt(0) == PTR1);
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MOZ_RELEASE_ASSERT(testArray.Contains(PTR1));
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testArray.AppendElement(PTR2);
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MOZ_RELEASE_ASSERT(testArray.Length() == 2);
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MOZ_RELEASE_ASSERT(testArray[0] == PTR1);
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MOZ_RELEASE_ASSERT(testArray.ElementAt(0) == PTR1);
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MOZ_RELEASE_ASSERT(testArray[1] == PTR2);
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MOZ_RELEASE_ASSERT(testArray.ElementAt(1) == PTR2);
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MOZ_RELEASE_ASSERT(testArray.Contains(PTR2));
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MOZ_RELEASE_ASSERT(testArray.RemoveElement(PTR1));
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MOZ_RELEASE_ASSERT(!testArray.RemoveElement(PTR1));
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MOZ_RELEASE_ASSERT(testArray.Length() == 1);
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MOZ_RELEASE_ASSERT(testArray[0] == PTR2);
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MOZ_RELEASE_ASSERT(testArray.ElementAt(0) == PTR2);
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MOZ_RELEASE_ASSERT(!testArray.Contains(PTR1));
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testArray.AppendElement(PTR1);
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MOZ_RELEASE_ASSERT(testArray.Length() == 2);
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MOZ_RELEASE_ASSERT(testArray[0] == PTR2);
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MOZ_RELEASE_ASSERT(testArray.ElementAt(0) == PTR2);
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MOZ_RELEASE_ASSERT(testArray[1] == PTR1);
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MOZ_RELEASE_ASSERT(testArray.ElementAt(1) == PTR1);
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MOZ_RELEASE_ASSERT(testArray.Contains(PTR1));
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testArray.AppendElement(PTR3);
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MOZ_RELEASE_ASSERT(testArray.Length() == 3);
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MOZ_RELEASE_ASSERT(testArray[0] == PTR2);
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MOZ_RELEASE_ASSERT(testArray.ElementAt(0) == PTR2);
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MOZ_RELEASE_ASSERT(testArray[1] == PTR1);
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MOZ_RELEASE_ASSERT(testArray.ElementAt(1) == PTR1);
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MOZ_RELEASE_ASSERT(testArray[2] == PTR3);
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MOZ_RELEASE_ASSERT(testArray.ElementAt(2) == PTR3);
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MOZ_RELEASE_ASSERT(testArray.Contains(PTR3));
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MOZ_RELEASE_ASSERT(testArray.RemoveElement(PTR1));
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MOZ_RELEASE_ASSERT(testArray.Length() == 2);
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MOZ_RELEASE_ASSERT(testArray[0] == PTR2);
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MOZ_RELEASE_ASSERT(testArray.ElementAt(0) == PTR2);
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MOZ_RELEASE_ASSERT(testArray[1] == PTR3);
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MOZ_RELEASE_ASSERT(testArray.ElementAt(1) == PTR3);
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MOZ_RELEASE_ASSERT(testArray.RemoveElement(PTR2));
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MOZ_RELEASE_ASSERT(testArray.Length() == 1);
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MOZ_RELEASE_ASSERT(testArray[0] == PTR3);
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MOZ_RELEASE_ASSERT(testArray.ElementAt(0) == PTR3);
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MOZ_RELEASE_ASSERT(testArray.RemoveElement(PTR3));
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MOZ_RELEASE_ASSERT(testArray.Length() == 0);
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testArray.Clear();
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MOZ_RELEASE_ASSERT(testArray.Length() == 0);
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testArray.AppendElement(PTR1);
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MOZ_RELEASE_ASSERT(testArray.Length() == 1);
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MOZ_RELEASE_ASSERT(testArray[0] == PTR1);
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MOZ_RELEASE_ASSERT(testArray.ElementAt(0) == PTR1);
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testArray.AppendElement(PTR2);
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MOZ_RELEASE_ASSERT(testArray.Length() == 2);
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MOZ_RELEASE_ASSERT(testArray[0] == PTR1);
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MOZ_RELEASE_ASSERT(testArray.ElementAt(0) == PTR1);
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MOZ_RELEASE_ASSERT(testArray[1] == PTR2);
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MOZ_RELEASE_ASSERT(testArray.ElementAt(1) == PTR2);
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MOZ_RELEASE_ASSERT(testArray.RemoveElement(PTR2));
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MOZ_RELEASE_ASSERT(testArray.Length() == 1);
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MOZ_RELEASE_ASSERT(testArray[0] == PTR1);
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MOZ_RELEASE_ASSERT(testArray.ElementAt(0) == PTR1);
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MOZ_RELEASE_ASSERT(!testArray.RemoveElement(PTR3));
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MOZ_RELEASE_ASSERT(testArray.Length() == 1);
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MOZ_RELEASE_ASSERT(testArray[0] == PTR1);
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MOZ_RELEASE_ASSERT(testArray.ElementAt(0) == PTR1);
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}
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void TestRangeBasedLoops() {
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using namespace mozilla;
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SmallPointerArray<void> testArray;
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void* verification[3];
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uint32_t entries = 0;
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for (void* test : testArray) {
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verification[entries++] = test;
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}
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MOZ_RELEASE_ASSERT(entries == 0);
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testArray.AppendElement(PTR1);
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for (void* test : testArray) {
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verification[entries++] = test;
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}
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MOZ_RELEASE_ASSERT(entries == 1);
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MOZ_RELEASE_ASSERT(verification[0] == PTR1);
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entries = 0;
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testArray.AppendElement(PTR2);
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for (void* test : testArray) {
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verification[entries++] = test;
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}
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MOZ_RELEASE_ASSERT(entries == 2);
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MOZ_RELEASE_ASSERT(verification[0] == PTR1);
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MOZ_RELEASE_ASSERT(verification[1] == PTR2);
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entries = 0;
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testArray.RemoveElement(PTR1);
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for (void* test : testArray) {
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verification[entries++] = test;
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}
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MOZ_RELEASE_ASSERT(entries == 1);
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MOZ_RELEASE_ASSERT(verification[0] == PTR2);
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entries = 0;
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testArray.AppendElement(PTR1);
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testArray.AppendElement(PTR3);
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for (void* test : testArray) {
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verification[entries++] = test;
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}
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MOZ_RELEASE_ASSERT(entries == 3);
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MOZ_RELEASE_ASSERT(verification[0] == PTR2);
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MOZ_RELEASE_ASSERT(verification[1] == PTR1);
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MOZ_RELEASE_ASSERT(verification[2] == PTR3);
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entries = 0;
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testArray.RemoveElement(PTR1);
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testArray.RemoveElement(PTR2);
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testArray.RemoveElement(PTR3);
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for (void* test : testArray) {
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verification[entries++] = test;
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}
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MOZ_RELEASE_ASSERT(entries == 0);
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testArray.Clear();
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for (void* test : testArray) {
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verification[entries++] = test;
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}
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MOZ_RELEASE_ASSERT(entries == 0);
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}
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int main() {
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TestArrayManipulation();
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TestRangeBasedLoops();
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return 0;
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}
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