Add case-insensitive String.Replace overloads (#9316)

Added overloads for String.Replace so that they now accept
StringComparison and CultureInfo as input parameters.

2 files changed, 117 insertions, 0 deletions

diff --git a/tests/src/CoreMangLib/cti/system/string/StringReplace3.csproj b/tests/src/CoreMangLib/cti/system/string/StringReplace3.csproj
new file mode 100644
index 0000000000..5addaf30c1
--- /dev/null
+++ b/tests/src/CoreMangLib/cti/system/string/StringReplace3.csproj
@@ -0,0 +1,42 @@
+<?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>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>{95DFC527-4AC1-495E-87D7-E94EE1F7140D}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <FileAlignment>512</FileAlignment>
+    <ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <ReferencePath>$(ProgramFiles)\Common Files\microsoft shared\VSTT\11.0\UITestExtensionPackages</ReferencePath>
+    <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\..\</SolutionDir>
+    <NuGetPackageImportStamp>7a9bfb7d</NuGetPackageImportStamp>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <CLRTestKind>BuildAndRun</CLRTestKind>
+    <CLRTestPriority>0</CLRTestPriority>
+    <ReferenceLocalMscorlib>true</ReferenceLocalMscorlib>
+  </PropertyGroup>
+  <!-- Default configurations to help VS understand the configurations -->
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+  </PropertyGroup>
+  <ItemGroup>
+    <CodeAnalysisDependentAssemblyPaths Condition=" '$(VS100COMNTOOLS)' != '' " Include="$(VS100COMNTOOLS)..\IDE\PrivateAssemblies">
+      <Visible>False</Visible>
+    </CodeAnalysisDependentAssemblyPaths>
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="stringreplace3.cs" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
+  </ItemGroup>
+
+  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />
+  <PropertyGroup Condition=" '$(MsBuildProjectDirOverride)' != '' ">
+  </PropertyGroup>
+</Project>
\ No newline at end of file
diff --git a/tests/src/CoreMangLib/cti/system/string/stringreplace3.cs b/tests/src/CoreMangLib/cti/system/string/stringreplace3.cs
new file mode 100644
index 0000000000..88c20af10b
--- /dev/null
+++ b/tests/src/CoreMangLib/cti/system/string/stringreplace3.cs
@@ -0,0 +1,75 @@
+// 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;
+
+/// <summary>
+/// String.Replace(String, String)
+/// Replaces all occurrences of a specified Unicode character in this instance 
+/// with another specified Unicode character. 
+/// </summary>
+public class StringReplace3
+{
+    public static int Main()
+    {
+        int result =  Test1() && Test2() && Test3() && Test4() && Test5() && Test6() && Test7() ? 100 : -1;
+
+        return result; 
+    }
+
+    private static bool Test1()
+    {
+        string strExpected = "Test HEY with HEYAND HEY";
+        string strActual = "Test %token% with %TOKEN%AND %tokeN%".Replace("%token%", "HEY", StringComparison.InvariantCultureIgnoreCase);
+
+        return strExpected == strActual;
+    }
+
+    private static bool Test2()
+    {
+        string strExpected = "Test HEY with HEYAND Test!";
+        string strActual = "Test %token% with %TOKEN%AND Test!".Replace("%token%", "HEY", StringComparison.InvariantCultureIgnoreCase);
+
+        return strExpected == strActual;
+    }
+
+    private static bool Test3()
+    {
+        string strExpected = "HEYTest HEY with HEYAND Test!";
+        string strActual = "%TOKEN%Test %token% with %TOKEN%AND Test!".Replace("%token%", "HEY", StringComparison.InvariantCultureIgnoreCase);
+
+        return strExpected == strActual;
+    }
+
+    private static bool Test4()
+    {
+        string strExpected = "HEYHEYTest HEY with HEYAND Test!";
+        string strActual = "%TOKEN%%token%Test %token% with %TOKEN%AND Test!".Replace("%token%", "HEY", StringComparison.InvariantCultureIgnoreCase);
+
+        return strExpected == strActual;
+    }
+
+    private static bool Test5()
+    {
+        string strExpected = "dof";
+        string strActual = "d\u00e9f".Replace("e\u0301", "o", StringComparison.InvariantCultureIgnoreCase);
+
+        return strExpected == strActual;
+    }
+
+    private static bool Test6()
+    {
+        string strExpected = "dof";
+        string strActual = "de\u0301f".Replace("\u00e9", "o", StringComparison.InvariantCultureIgnoreCase);
+
+        return strExpected == strActual;
+    }
+
+    private static bool Test7()
+    {
+        string strExpected = "dfo";
+        string strActual = "de\u0301fo".Replace("\u00e9", "", StringComparison.InvariantCultureIgnoreCase);
+
+        return strExpected == strActual;
+    }
+}