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273 lines
6.9 KiB
C#
273 lines
6.9 KiB
C#
//
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// InterlockedTest.cs - NUnit Test Cases for System.Threading.Interlocked
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//
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// Author:
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// Luca Barbieri (luca.barbieri@gmail.com)
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//
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// (C) 2004 Luca Barbieri
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//
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using NUnit.Framework;
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using System;
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using System.Threading;
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namespace MonoTests.System.Threading
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{
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[TestFixture]
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public class InterlockedTest
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{
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int int32;
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long int64;
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float flt;
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double dbl;
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object obj;
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IntPtr iptr;
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const int int32_1 = 0x12490082;
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const int int32_2 = 0x24981071;
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const int int32_3 = 0x36078912;
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const long int64_1 = 0x1412803412472901L;
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const long int64_2 = 0x2470232089701124L;
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const long int64_3 = 0x3056432945919433L;
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const float flt_1 = 141287.109874f;
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const float flt_2 = 234108.324113f;
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const float flt_3 = 342419.752395f;
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const double dbl_1 = 141287.109874;
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const double dbl_2 = 234108.324113;
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const double dbl_3 = 342419.752395;
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readonly object obj_1 = "obj_1";
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readonly object obj_2 = "obj_2";
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readonly object obj_3 = "obj_3";
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readonly IntPtr iptr_1 = (IntPtr)int32_1;
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readonly IntPtr iptr_2 = (IntPtr)int32_2;
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readonly IntPtr iptr_3 = (IntPtr)int32_3;
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[Test]
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public void TestExchange_Int32 ()
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{
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int32 = int32_1;
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Assert.AreEqual(int32_1, Interlocked.Exchange(ref int32, int32_2));
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Assert.AreEqual(int32_2, int32);
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}
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[Test]
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public void TestExchange_Flt ()
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{
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flt = flt_1;
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Assert.AreEqual(flt_1, Interlocked.Exchange(ref flt, flt_2));
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Assert.AreEqual(flt_2, flt);
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}
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[Test]
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public void TestExchange_Obj ()
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{
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obj = obj_1;
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Assert.AreEqual(obj_1, Interlocked.Exchange(ref obj, obj_2));
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Assert.AreEqual(obj_2, obj);
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}
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[Test]
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public void TestExchange_Int64 ()
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{
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int64 = int64_1;
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Assert.AreEqual(int64_1, Interlocked.Exchange(ref int64, int64_2));
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Assert.AreEqual(int64_2, int64);
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}
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[Test]
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public void TestExchange_Dbl ()
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{
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dbl = dbl_1;
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Assert.AreEqual(dbl_1, Interlocked.Exchange(ref dbl, dbl_2));
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Assert.AreEqual(dbl_2, dbl);
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}
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[Test]
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public void TestExchange_Iptr ()
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{
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iptr = iptr_1;
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Assert.AreEqual(iptr_1, Interlocked.Exchange(ref iptr, iptr_2));
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Assert.AreEqual(iptr_2, iptr);
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}
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[Test]
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public void TestCompareExchange_Int32 ()
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{
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int32 = int32_1;
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Assert.AreEqual(int32_1, Interlocked.CompareExchange(ref int32, int32_2, int32_1));
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Assert.AreEqual(int32_2, int32);
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}
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[Test]
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public void TestCompareExchange_Flt ()
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{
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flt = flt_1;
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Assert.AreEqual(flt_1, Interlocked.CompareExchange(ref flt, flt_2, flt_1));
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Assert.AreEqual(flt_2, flt);
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}
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[Test]
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public void TestCompareExchange_Obj ()
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{
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obj = obj_1;
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Assert.AreEqual(obj_1, Interlocked.CompareExchange(ref obj, obj_2, obj_1));
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Assert.AreEqual(obj_2, obj);
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}
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[Test]
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public void TestCompareExchange_Int64 ()
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{
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int64 = int64_1;
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Assert.AreEqual(int64_1, Interlocked.CompareExchange(ref int64, int64_2, int64_1));
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Assert.AreEqual(int64_2, int64);
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}
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[Test]
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public void TestCompareExchange_Dbl ()
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{
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dbl = dbl_1;
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Assert.AreEqual(dbl_1, Interlocked.CompareExchange(ref dbl, dbl_2, dbl_1));
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Assert.AreEqual(dbl_2, dbl);
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}
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[Test]
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public void TestCompareExchange_Iptr ()
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{
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iptr = iptr_1;
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Assert.AreEqual(iptr_1, Interlocked.CompareExchange(ref iptr, iptr_2, iptr_1));
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Assert.AreEqual(iptr_2, iptr);
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}
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[Test]
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public void TestCompareExchange_Failed_Int32 ()
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{
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int32 = int32_1;
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Assert.AreEqual(int32_1, Interlocked.CompareExchange(ref int32, int32_2, int32_3));
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Assert.AreEqual(int32_1, int32);
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}
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[Test]
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public void TestCompareExchange_Failed_Flt ()
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{
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flt = flt_1;
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Assert.AreEqual(flt_1, Interlocked.CompareExchange(ref flt, flt_2, flt_3));
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Assert.AreEqual(flt_1, flt);
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}
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[Test]
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public void TestCompareExchange_Failed_Obj ()
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{
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obj = obj_1;
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Assert.AreEqual(obj_1, Interlocked.CompareExchange(ref obj, obj_2, obj_3));
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Assert.AreEqual(obj_1, obj);
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}
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[Test]
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public void TestCompareExchange_Failed_Int64 ()
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{
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int64 = int64_1;
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Assert.AreEqual(int64_1, Interlocked.CompareExchange(ref int64, int64_2, int64_3));
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Assert.AreEqual(int64_1, int64);
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}
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[Test]
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public void TestCompareExchange_Failed_Dbl ()
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{
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dbl = dbl_1;
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Assert.AreEqual(dbl_1, Interlocked.CompareExchange(ref dbl, dbl_2, dbl_3));
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Assert.AreEqual(dbl_1, dbl);
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}
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[Test]
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public void TestCompareExchange_Failed_Iptr ()
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{
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iptr = iptr_1;
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Assert.AreEqual(iptr_1, Interlocked.CompareExchange(ref iptr, iptr_2, iptr_3));
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Assert.AreEqual(iptr_1, iptr);
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}
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[Test]
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public void TestIncrement_Int32 ()
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{
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int32 = int32_1;
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Assert.AreEqual(int32_1 + 1, Interlocked.Increment(ref int32));
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Assert.AreEqual(int32_1 + 1, int32);
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}
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[Test]
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public void TestIncrement_Int64 ()
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{
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int64 = int64_1;
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Assert.AreEqual(int64_1 + 1, Interlocked.Increment(ref int64), "func");
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Assert.AreEqual(int64_1 + 1, int64, "value");
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}
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[Test]
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public void TestDecrement_Int32 ()
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{
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int32 = int32_1;
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Assert.AreEqual(int32_1 - 1, Interlocked.Decrement(ref int32));
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Assert.AreEqual(int32_1 - 1, int32);
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}
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[Test]
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public void TestDecrement_Int64 ()
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{
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int64 = int64_1;
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Assert.AreEqual(int64_1 - 1, Interlocked.Decrement(ref int64));
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Assert.AreEqual(int64_1 - 1, int64);
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}
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[Test]
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public void TestAdd_Int32 ()
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{
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int32 = int32_1;
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Assert.AreEqual(int32_1 + int32_2, Interlocked.Add(ref int32, int32_2));
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Assert.AreEqual(int32_1 + int32_2, int32);
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}
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[Test]
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public void TestAdd_Int64 ()
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{
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int64 = int64_1;
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Assert.AreEqual(int64_1 + int64_2, Interlocked.Add(ref int64, int64_2));
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Assert.AreEqual(int64_1 + int64_2, int64);
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}
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[Test]
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public void TestRead_Int64()
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{
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int64 = int64_1;
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Assert.AreEqual(int64_1, Interlocked.Read(ref int64));
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Assert.AreEqual(int64_1, int64);
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}
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[Test]
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public void CompareExchange_Generic ()
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{
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object a = null;
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Assert.IsNull (Interlocked.CompareExchange<object> (ref a, a, a), "null,null,null");
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object b = new object ();
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Assert.IsNull (Interlocked.CompareExchange<object> (ref a, a, b), "null,non-null,non-null");
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Assert.IsNull (Interlocked.CompareExchange<object> (ref a, b, a), "null,non-null,null");
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Assert.AreSame (b, Interlocked.CompareExchange<object> (ref a, b, b), "null,null,non-null");
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Assert.AreSame (b, Interlocked.CompareExchange<object> (ref b, a, a), "non-null,null,null");
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Assert.AreSame (b, Interlocked.CompareExchange<object> (ref b, a, b), "non-null,null,non-null");
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Assert.AreSame (b, Interlocked.CompareExchange<object> (ref b, b, a), "non-null,non-null,null");
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Assert.AreSame (b, Interlocked.CompareExchange<object> (ref b, b, b), "non-null,non-null,non-null");
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}
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[Test]
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public void Exchange_Generic ()
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{
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object a = null;
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Assert.IsNull (Interlocked.Exchange<object> (ref a, a), "null,null");
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object b = new object ();
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Assert.IsNull (Interlocked.Exchange<object> (ref a, b), "null,non-null");
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Assert.AreSame (b, Interlocked.Exchange<object> (ref b, a), "non-null,null");
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Assert.AreSame (b, Interlocked.Exchange<object> (ref b, b), "non-null,non-null");
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}
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}
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}
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