Implement JIT_NewArr1_R2R as R2R wrapper for JIT_NewArr1 to support both MethodTable-based and TypeDesc-based helpers. (#12475)

Related issue: #12463

2 files changed, 158 insertions, 0 deletions

diff --git a/tests/src/readytorun/tests/newarray.cs b/tests/src/readytorun/tests/newarray.cs
new file mode 100644
index 0000000000..66917abf65
--- /dev/null
+++ b/tests/src/readytorun/tests/newarray.cs
@@ -0,0 +1,126 @@
+// 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.Collections.Generic;
+using System.Globalization;
+using System.Runtime.CompilerServices;
+using System.Text;
+using System.Threading;
+
+class Program
+{
+    const int ARRAY_SIZE = 1024;
+
+    static int Main()
+    {
+        // Run all tests 3x times to exercise both slow and fast paths work
+        for (int i = 0; i < 3; i++)
+            RunAllTests();
+
+        Console.WriteLine(Assert.HasAssertFired ? "FAILED" : "PASSED");
+        return Assert.HasAssertFired ? 1 : 100;
+    }
+
+    static void RunAllTests()
+    {
+        RunTest1();
+        RunTest2();
+        RunTest3();
+        RunTest4();
+        RunTest5();
+        RunTest6();
+        RunTest7();
+        RunTest8();
+    }
+
+    static void RunTest1()
+    {
+        int [] arr = new int[ARRAY_SIZE];
+
+        Assert.AreEqual(arr.GetType().ToString(), "System.Int32[]");
+    }
+
+    static void RunTest2()
+    {
+        object [] arr = new object[ARRAY_SIZE];
+
+        Assert.AreEqual(arr.GetType().ToString(), "System.Object[]");
+    }
+
+    static void RunTest3()
+    {
+        int [] arr = new_array_generic<int>();
+
+        Assert.AreEqual(arr.GetType().ToString(), "System.Int32[]");
+    }
+
+    static void RunTest4()
+    {
+        string [] arr = new_array_generic<string>();
+
+        Assert.AreEqual(arr.GetType().ToString(), "System.String[]");
+    }
+
+    static void RunTest5()
+    {
+        object [] arr = new_array_generic<object>();
+
+        Assert.AreEqual(arr.GetType().ToString(), "System.Object[]");
+    }
+
+    static void RunTest6()
+    {
+        GenericClass1<int> [] arr = new GenericClass1<int>[ARRAY_SIZE];
+
+        Assert.AreEqual(arr.GetType().ToString(), "GenericClass1`1[System.Int32][]");
+    }
+
+    static void RunTest7()
+    {
+        GenericClass1<object> [] arr = new_array_generic<GenericClass1<object>>();
+
+        Assert.AreEqual(arr.GetType().ToString(), "GenericClass1`1[System.Object][]");
+    }
+
+    static void RunTest8()
+    {
+        genericclass1_object_array_field = new_array_generic<GenericClass2<object>>();
+
+        Assert.AreEqual(genericclass1_object_array_field.GetType().ToString(), "GenericClass2`1[System.Object][]");
+    }
+
+    [MethodImpl(MethodImplOptions.NoInlining)]
+    static T[] new_array_generic<T>()
+    {
+        return new T[ARRAY_SIZE];
+    }
+
+    static volatile GenericClass1<object> [] genericclass1_object_array_field;
+}
+
+class GenericClass1<T>
+{
+}
+
+class GenericClass2<T> : GenericClass1<T>
+{
+}
+
+public static class Assert
+{
+    public static bool HasAssertFired;
+
+    public static void AreEqual(Object actual, Object expected)
+    {
+        if (!(actual == null && expected == null) && !actual.Equals(expected))
+        {
+            Console.WriteLine("Not equal!");
+            Console.WriteLine("actual   = " + actual.ToString());
+            Console.WriteLine("expected = " + expected.ToString());
+            HasAssertFired = true;
+        }
+    }
+}
diff --git a/tests/src/readytorun/tests/newarray.csproj b/tests/src/readytorun/tests/newarray.csproj
new file mode 100644
index 0000000000..21acf8128b
--- /dev/null
+++ b/tests/src/readytorun/tests/newarray.csproj
@@ -0,0 +1,32 @@
+<?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>
+    <AssemblyName>newarray</AssemblyName>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>{8DDE6EB9-7CAE-4DD1-B2CC-8D756855EF78}</ProjectGuid>
+    <ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <OutputType>Exe</OutputType>
+    <CLRTestKind>BuildAndRun</CLRTestKind>
+    <CLRTestPriority>0</CLRTestPriority>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <CodeAnalysisDependentAssemblyPaths Condition=" '$(VS100COMNTOOLS)' != '' " Include="$(VS100COMNTOOLS)..\IDE\PrivateAssemblies">
+      <Visible>False</Visible>
+    </CodeAnalysisDependentAssemblyPaths>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Compile Include="newarray.cs" />
+  </ItemGroup>
+
+
+  <ItemGroup>
+    <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
+  </ItemGroup>
+  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />
+</Project>