diff options
Diffstat (limited to 'tests/src/JIT/Regression/JitBlue/GitHub_12392')
| -rw-r--r-- | tests/src/JIT/Regression/JitBlue/GitHub_12392/GitHub_12392.cs | 108 | ||||
| -rw-r--r-- | tests/src/JIT/Regression/JitBlue/GitHub_12392/GitHub_12392.csproj | 38 |
2 files changed, 146 insertions, 0 deletions
diff --git a/tests/src/JIT/Regression/JitBlue/GitHub_12392/GitHub_12392.cs b/tests/src/JIT/Regression/JitBlue/GitHub_12392/GitHub_12392.cs new file mode 100644 index 0000000000..23058fd768 --- /dev/null +++ b/tests/src/JIT/Regression/JitBlue/GitHub_12392/GitHub_12392.cs @@ -0,0 +1,108 @@ +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. +// See the LICENSE file in the project root for more information. + +using System; +using System.Reflection; + +namespace Test +{ + // This is a regression test for a bug in fgMorphRecognizeBoxNullable. + // See the comment in Setting<T>.HasValue for details. + class Program + { + + static int Main(string[] args) + { + Test t = new Test(); + if (!t.TestMethod()) + { + Console.WriteLine("SUCCESS"); + return 100; + } + else + { + Console.WriteLine("FAILURE"); + return 0; + } + } + } + + class Test + { + Setting<bool?> supportInteractive = Setting.ForBool(null); + + public bool TestMethod() + { + return this.supportInteractive.HasValue; + } + } + + public class Setting<T> + { + Setting() + { + } + + public Setting(T value) + { + this.value = value; + } + + public bool HasValue + { + get + { + if (this.value != null) + { + Type t = this.value.GetType(); + if (t.IsGenericType) + { + if (t.GetGenericTypeDefinition() == typeof(Nullable<>)) + { + PropertyInfo hasValueProperty = t.GetProperty("HasValue"); + bool result = (bool)hasValueProperty.GetValue(this.value, null); + return result; + } + } + } + + // The bug reproduces when the C# compiler generates + // ldnull + // cgt.un + // ret + // for this statement. + // The code above this statement is necessary so that some assertions are + // propagated and the statement gets re-morphed. + // The bug in fgMorphRecognizeBoxNullable was that it couldn't deal + // with a morphed helper call correctly. + return null != this.value; + } + } + + T value; + public T Value + { + get { return this.value; } + set { this.value = value; } + } + } + + public class Setting + { + Setting() + { + ; + } + + public static Setting<bool?> ForBool(string parameter) + { + if (null == parameter) + { + return new Setting<bool?>(null); + } + Setting<bool?> setting = new Setting<bool?>(bool.Parse(parameter)); + return setting; + } + } +} diff --git a/tests/src/JIT/Regression/JitBlue/GitHub_12392/GitHub_12392.csproj b/tests/src/JIT/Regression/JitBlue/GitHub_12392/GitHub_12392.csproj new file mode 100644 index 0000000000..2cafa4cedf --- /dev/null +++ b/tests/src/JIT/Regression/JitBlue/GitHub_12392/GitHub_12392.csproj @@ -0,0 +1,38 @@ +<?xml version="1.0" encoding="utf-8"?> +<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> + <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" /> + <PropertyGroup> + <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration> + <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform> + <AssemblyName>$(MSBuildProjectName)</AssemblyName> + <SchemaVersion>2.0</SchemaVersion> + <ProjectGuid>{95DFC527-4DC1-495E-97D7-E94EE1F7140D}</ProjectGuid> + <OutputType>Exe</OutputType> + <ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids> + <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir> + + </PropertyGroup> + <!-- Default configurations to help VS understand the configurations --> + <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "> + </PropertyGroup> + <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' "> + </PropertyGroup> + <ItemGroup> + <CodeAnalysisDependentAssemblyPaths Condition=" '$(VS100COMNTOOLS)' != '' " Include="$(VS100COMNTOOLS)..\IDE\PrivateAssemblies"> + <Visible>False</Visible> + </CodeAnalysisDependentAssemblyPaths> + </ItemGroup> + <PropertyGroup> + <DebugType></DebugType> + <Optimize>True</Optimize> + </PropertyGroup> + <ItemGroup> + <Compile Include="$(MSBuildProjectName).cs" /> + </ItemGroup> + <ItemGroup> + <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" /> + </ItemGroup> + <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" /> + <PropertyGroup Condition=" '$(MsBuildProjectDirOverride)' != '' "> + </PropertyGroup> +</Project> |