mirror of
https://github.com/juce-framework/JUCE.git
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138 lines
4.8 KiB
C++
138 lines
4.8 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library - "Jules' Utility Class Extensions"
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Copyright 2004-11 by Raw Material Software Ltd.
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------------------------------------------------------------------------------
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JUCE can be redistributed and/or modified under the terms of the GNU General
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Public License (Version 2), as published by the Free Software Foundation.
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A copy of the license is included in the JUCE distribution, or can be found
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online at www.gnu.org/licenses.
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.rawmaterialsoftware.com/juce for more information.
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==============================================================================
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*/
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#include "juce_StandardHeader.h"
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BEGIN_JUCE_NAMESPACE
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//==============================================================================
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#if JUCE_UNIT_TESTS
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#include "../utilities/juce_UnitTest.h"
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#include "../memory/juce_Atomic.h"
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class AtomicTests : public UnitTest
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{
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public:
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AtomicTests() : UnitTest ("Atomics") {}
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void runTest()
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{
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beginTest ("Misc");
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char a1[7];
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expect (numElementsInArray(a1) == 7);
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int a2[3];
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expect (numElementsInArray(a2) == 3);
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expect (ByteOrder::swap ((uint16) 0x1122) == 0x2211);
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expect (ByteOrder::swap ((uint32) 0x11223344) == 0x44332211);
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expect (ByteOrder::swap ((uint64) literal64bit (0x1122334455667788)) == literal64bit (0x8877665544332211));
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beginTest ("Atomic int");
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AtomicTester <int>::testInteger (*this);
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beginTest ("Atomic unsigned int");
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AtomicTester <unsigned int>::testInteger (*this);
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beginTest ("Atomic int32");
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AtomicTester <int32>::testInteger (*this);
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beginTest ("Atomic uint32");
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AtomicTester <uint32>::testInteger (*this);
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beginTest ("Atomic long");
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AtomicTester <long>::testInteger (*this);
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beginTest ("Atomic void*");
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AtomicTester <void*>::testInteger (*this);
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beginTest ("Atomic int*");
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AtomicTester <int*>::testInteger (*this);
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beginTest ("Atomic float");
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AtomicTester <float>::testFloat (*this);
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#if ! JUCE_64BIT_ATOMICS_UNAVAILABLE // 64-bit intrinsics aren't available on some old platforms
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beginTest ("Atomic int64");
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AtomicTester <int64>::testInteger (*this);
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beginTest ("Atomic uint64");
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AtomicTester <uint64>::testInteger (*this);
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beginTest ("Atomic double");
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AtomicTester <double>::testFloat (*this);
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#endif
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}
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template <typename Type>
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class AtomicTester
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{
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public:
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AtomicTester() {}
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static void testInteger (UnitTest& test)
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{
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Atomic<Type> a, b;
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a.set ((Type) 10);
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test.expect (a.value == (Type) 10);
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test.expect (a.get() == (Type) 10);
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a += (Type) 15;
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test.expect (a.get() == (Type) 25);
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a.memoryBarrier();
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a -= (Type) 5;
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test.expect (a.get() == (Type) 20);
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test.expect (++a == (Type) 21);
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++a;
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test.expect (--a == (Type) 21);
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test.expect (a.get() == (Type) 21);
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a.memoryBarrier();
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testFloat (test);
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}
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static void testFloat (UnitTest& test)
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{
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Atomic<Type> a, b;
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a = (Type) 21;
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a.memoryBarrier();
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/* These are some simple test cases to check the atomics - let me know
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if any of these assertions fail on your system!
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*/
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test.expect (a.get() == (Type) 21);
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test.expect (a.compareAndSetValue ((Type) 100, (Type) 50) == (Type) 21);
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test.expect (a.get() == (Type) 21);
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test.expect (a.compareAndSetValue ((Type) 101, a.get()) == (Type) 21);
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test.expect (a.get() == (Type) 101);
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test.expect (! a.compareAndSetBool ((Type) 300, (Type) 200));
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test.expect (a.get() == (Type) 101);
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test.expect (a.compareAndSetBool ((Type) 200, a.get()));
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test.expect (a.get() == (Type) 200);
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test.expect (a.exchange ((Type) 300) == (Type) 200);
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test.expect (a.get() == (Type) 300);
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b = a;
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test.expect (b.get() == a.get());
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}
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};
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};
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static AtomicTests atomicUnitTests;
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#endif
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END_JUCE_NAMESPACE
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