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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo
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Roy Tam
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dcd9973243
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289
mfbt/tests/TestEnumSet.cpp
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289
mfbt/tests/TestEnumSet.cpp
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/* -*- 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/EnumSet.h"
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#include "mozilla/Vector.h"
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using namespace mozilla;
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enum SeaBird
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{
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PENGUIN,
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ALBATROSS,
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FULMAR,
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PRION,
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SHEARWATER,
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GADFLY_PETREL,
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TRUE_PETREL,
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DIVING_PETREL,
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STORM_PETREL,
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PELICAN,
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GANNET,
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BOOBY,
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CORMORANT,
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FRIGATEBIRD,
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TROPICBIRD,
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SKUA,
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GULL,
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TERN,
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SKIMMER,
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AUK
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};
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class EnumSetSuite
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{
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public:
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EnumSetSuite()
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: mAlcidae()
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, mDiomedeidae(ALBATROSS)
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, mPetrelProcellariidae(GADFLY_PETREL, TRUE_PETREL)
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, mNonPetrelProcellariidae(FULMAR, PRION, SHEARWATER)
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, mPetrels(GADFLY_PETREL, TRUE_PETREL, DIVING_PETREL, STORM_PETREL)
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{ }
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void runTests()
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{
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testSize();
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testContains();
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testAddTo();
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testAdd();
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testAddAll();
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testUnion();
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testRemoveFrom();
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testRemove();
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testRemoveAllFrom();
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testRemoveAll();
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testIntersect();
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testInsersection();
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testEquality();
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testDuplicates();
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testIteration();
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testInitializerListConstuctor();
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}
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private:
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void testSize()
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{
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MOZ_RELEASE_ASSERT(mAlcidae.size() == 0);
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MOZ_RELEASE_ASSERT(mDiomedeidae.size() == 1);
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MOZ_RELEASE_ASSERT(mPetrelProcellariidae.size() == 2);
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MOZ_RELEASE_ASSERT(mNonPetrelProcellariidae.size() == 3);
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MOZ_RELEASE_ASSERT(mPetrels.size() == 4);
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}
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void testContains()
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{
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MOZ_RELEASE_ASSERT(!mPetrels.contains(PENGUIN));
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MOZ_RELEASE_ASSERT(!mPetrels.contains(ALBATROSS));
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MOZ_RELEASE_ASSERT(!mPetrels.contains(FULMAR));
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MOZ_RELEASE_ASSERT(!mPetrels.contains(PRION));
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MOZ_RELEASE_ASSERT(!mPetrels.contains(SHEARWATER));
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MOZ_RELEASE_ASSERT(mPetrels.contains(GADFLY_PETREL));
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MOZ_RELEASE_ASSERT(mPetrels.contains(TRUE_PETREL));
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MOZ_RELEASE_ASSERT(mPetrels.contains(DIVING_PETREL));
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MOZ_RELEASE_ASSERT(mPetrels.contains(STORM_PETREL));
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MOZ_RELEASE_ASSERT(!mPetrels.contains(PELICAN));
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MOZ_RELEASE_ASSERT(!mPetrels.contains(GANNET));
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MOZ_RELEASE_ASSERT(!mPetrels.contains(BOOBY));
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MOZ_RELEASE_ASSERT(!mPetrels.contains(CORMORANT));
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MOZ_RELEASE_ASSERT(!mPetrels.contains(FRIGATEBIRD));
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MOZ_RELEASE_ASSERT(!mPetrels.contains(TROPICBIRD));
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MOZ_RELEASE_ASSERT(!mPetrels.contains(SKUA));
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MOZ_RELEASE_ASSERT(!mPetrels.contains(GULL));
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MOZ_RELEASE_ASSERT(!mPetrels.contains(TERN));
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MOZ_RELEASE_ASSERT(!mPetrels.contains(SKIMMER));
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MOZ_RELEASE_ASSERT(!mPetrels.contains(AUK));
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}
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void testCopy()
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{
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EnumSet<SeaBird> likes = mPetrels;
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likes -= TRUE_PETREL;
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MOZ_RELEASE_ASSERT(mPetrels.size() == 4);
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MOZ_RELEASE_ASSERT(mPetrels.contains(TRUE_PETREL));
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MOZ_RELEASE_ASSERT(likes.size() == 3);
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MOZ_RELEASE_ASSERT(likes.contains(GADFLY_PETREL));
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MOZ_RELEASE_ASSERT(likes.contains(DIVING_PETREL));
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MOZ_RELEASE_ASSERT(likes.contains(STORM_PETREL));
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}
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void testAddTo()
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{
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EnumSet<SeaBird> seen = mPetrels;
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seen += CORMORANT;
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seen += TRUE_PETREL;
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MOZ_RELEASE_ASSERT(mPetrels.size() == 4);
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MOZ_RELEASE_ASSERT(!mPetrels.contains(CORMORANT));
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MOZ_RELEASE_ASSERT(seen.size() == 5);
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MOZ_RELEASE_ASSERT(seen.contains(GADFLY_PETREL));
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MOZ_RELEASE_ASSERT(seen.contains(TRUE_PETREL));
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MOZ_RELEASE_ASSERT(seen.contains(DIVING_PETREL));
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MOZ_RELEASE_ASSERT(seen.contains(STORM_PETREL));
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MOZ_RELEASE_ASSERT(seen.contains(CORMORANT));
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}
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void testAdd()
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{
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EnumSet<SeaBird> seen = mPetrels + CORMORANT + STORM_PETREL;
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MOZ_RELEASE_ASSERT(mPetrels.size() == 4);
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MOZ_RELEASE_ASSERT(!mPetrels.contains(CORMORANT));
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MOZ_RELEASE_ASSERT(seen.size() == 5);
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MOZ_RELEASE_ASSERT(seen.contains(GADFLY_PETREL));
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MOZ_RELEASE_ASSERT(seen.contains(TRUE_PETREL));
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MOZ_RELEASE_ASSERT(seen.contains(DIVING_PETREL));
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MOZ_RELEASE_ASSERT(seen.contains(STORM_PETREL));
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MOZ_RELEASE_ASSERT(seen.contains(CORMORANT));
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}
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void testAddAll()
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{
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EnumSet<SeaBird> procellariidae;
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procellariidae += mPetrelProcellariidae;
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procellariidae += mNonPetrelProcellariidae;
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MOZ_RELEASE_ASSERT(procellariidae.size() == 5);
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// Both procellariidae and mPetrels include GADFLY_PERTEL and TRUE_PETREL
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EnumSet<SeaBird> procellariiformes;
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procellariiformes += mDiomedeidae;
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procellariiformes += procellariidae;
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procellariiformes += mPetrels;
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MOZ_RELEASE_ASSERT(procellariiformes.size() == 8);
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}
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void testUnion()
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{
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EnumSet<SeaBird> procellariidae = mPetrelProcellariidae +
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mNonPetrelProcellariidae;
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MOZ_RELEASE_ASSERT(procellariidae.size() == 5);
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// Both procellariidae and mPetrels include GADFLY_PETREL and TRUE_PETREL
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EnumSet<SeaBird> procellariiformes = mDiomedeidae + procellariidae +
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mPetrels;
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MOZ_RELEASE_ASSERT(procellariiformes.size() == 8);
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}
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void testRemoveFrom()
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{
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EnumSet<SeaBird> likes = mPetrels;
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likes -= TRUE_PETREL;
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likes -= DIVING_PETREL;
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MOZ_RELEASE_ASSERT(likes.size() == 2);
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MOZ_RELEASE_ASSERT(likes.contains(GADFLY_PETREL));
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MOZ_RELEASE_ASSERT(likes.contains(STORM_PETREL));
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}
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void testRemove()
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{
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EnumSet<SeaBird> likes = mPetrels - TRUE_PETREL - DIVING_PETREL;
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MOZ_RELEASE_ASSERT(likes.size() == 2);
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MOZ_RELEASE_ASSERT(likes.contains(GADFLY_PETREL));
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MOZ_RELEASE_ASSERT(likes.contains(STORM_PETREL));
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}
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void testRemoveAllFrom()
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{
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EnumSet<SeaBird> likes = mPetrels;
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likes -= mPetrelProcellariidae;
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MOZ_RELEASE_ASSERT(likes.size() == 2);
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MOZ_RELEASE_ASSERT(likes.contains(DIVING_PETREL));
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MOZ_RELEASE_ASSERT(likes.contains(STORM_PETREL));
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}
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void testRemoveAll()
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{
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EnumSet<SeaBird> likes = mPetrels - mPetrelProcellariidae;
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MOZ_RELEASE_ASSERT(likes.size() == 2);
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MOZ_RELEASE_ASSERT(likes.contains(DIVING_PETREL));
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MOZ_RELEASE_ASSERT(likes.contains(STORM_PETREL));
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}
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void testIntersect()
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{
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EnumSet<SeaBird> likes = mPetrels;
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likes &= mPetrelProcellariidae;
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MOZ_RELEASE_ASSERT(likes.size() == 2);
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MOZ_RELEASE_ASSERT(likes.contains(GADFLY_PETREL));
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MOZ_RELEASE_ASSERT(likes.contains(TRUE_PETREL));
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}
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void testInsersection()
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{
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EnumSet<SeaBird> likes = mPetrels & mPetrelProcellariidae;
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MOZ_RELEASE_ASSERT(likes.size() == 2);
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MOZ_RELEASE_ASSERT(likes.contains(GADFLY_PETREL));
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MOZ_RELEASE_ASSERT(likes.contains(TRUE_PETREL));
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}
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void testEquality()
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{
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EnumSet<SeaBird> likes = mPetrels & mPetrelProcellariidae;
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MOZ_RELEASE_ASSERT(likes == EnumSet<SeaBird>(GADFLY_PETREL,
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TRUE_PETREL));
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}
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void testDuplicates()
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{
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EnumSet<SeaBird> likes = mPetrels;
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likes += GADFLY_PETREL;
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likes += TRUE_PETREL;
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likes += DIVING_PETREL;
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likes += STORM_PETREL;
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MOZ_RELEASE_ASSERT(likes.size() == 4);
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MOZ_RELEASE_ASSERT(likes == mPetrels);
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}
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void testIteration()
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{
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EnumSet<SeaBird> birds;
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Vector<SeaBird> vec;
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for (auto bird : birds) {
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MOZ_RELEASE_ASSERT(vec.append(bird));
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}
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MOZ_RELEASE_ASSERT(vec.length() == 0);
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birds += DIVING_PETREL;
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birds += GADFLY_PETREL;
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birds += STORM_PETREL;
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birds += TRUE_PETREL;
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for (auto bird : birds) {
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MOZ_RELEASE_ASSERT(vec.append(bird));
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}
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MOZ_RELEASE_ASSERT(vec.length() == 4);
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MOZ_RELEASE_ASSERT(vec[0] == GADFLY_PETREL);
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MOZ_RELEASE_ASSERT(vec[1] == TRUE_PETREL);
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MOZ_RELEASE_ASSERT(vec[2] == DIVING_PETREL);
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MOZ_RELEASE_ASSERT(vec[3] == STORM_PETREL);
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}
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void testInitializerListConstuctor()
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{
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EnumSet<SeaBird> empty {};
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MOZ_RELEASE_ASSERT(empty.size() == 0);
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EnumSet<SeaBird> someBirds { SKIMMER, GULL, BOOBY };
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MOZ_RELEASE_ASSERT(someBirds.size() == 3);
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MOZ_RELEASE_ASSERT(someBirds.contains(SKIMMER));
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MOZ_RELEASE_ASSERT(someBirds.contains(GULL));
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MOZ_RELEASE_ASSERT(someBirds.contains(BOOBY));
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}
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EnumSet<SeaBird> mAlcidae;
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EnumSet<SeaBird> mDiomedeidae;
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EnumSet<SeaBird> mPetrelProcellariidae;
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EnumSet<SeaBird> mNonPetrelProcellariidae;
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EnumSet<SeaBird> mPetrels;
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};
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int
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main()
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{
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EnumSetSuite suite;
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suite.runTests();
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return 0;
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}
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