Used verbatim strings (#8952)

Author: glen-84

.editorconfig

@@ -120,6 +120,7 @@ resharper_enforce_lock_statement_braces_highlighting = error
 resharper_enforce_using_statement_braces_highlighting = error
 resharper_enforce_while_statement_braces_highlighting = error
 resharper_use_utf8_string_literal_highlighting = error
+resharper_use_verbatim_string_highlighting = error
 
 # ReSharper properties
 resharper_align_multiline_binary_expressions_chain = false

src/CookieCrumble/src/CookieCrumble/Snapshot.cs

@@ -506,9 +506,9 @@ private static bool MatchSnapshot(
         if (OperatingSystem.IsWindows())
         {
             // Normalize escaped line endings if the expected value does not explicitly contain them.
-            if (!before.Contains("\\r\\n", StringComparison.Ordinal))
+            if (!before.Contains(@"\r\n", StringComparison.Ordinal))
             {
-                after = after.Replace("\\r\\n", "\\n");
+                after = after.Replace(@"\r\n", @"\n");
             }
         }
 

src/GreenDonut/src/GreenDonut.Data/Cursors/CursorKeySerializerHelper.cs

@@ -5,10 +5,10 @@ namespace GreenDonut.Data.Cursors;
 
 internal static class CursorKeySerializerHelper
 {
-    public static ReadOnlySpan<byte> Null => "\\null"u8;
-    public static ReadOnlySpan<byte> EscapedNull => "\\\\null"u8;
+    public static ReadOnlySpan<byte> Null => @"\null"u8;
+    public static ReadOnlySpan<byte> EscapedNull => @"\\null"u8;
 
-    public static ReadOnlySpan<byte> EscapedColon => "\\:"u8;
+    public static ReadOnlySpan<byte> EscapedColon => @"\:"u8;
 
     public static object? Parse(ReadOnlySpan<byte> formattedKey, ICursorKeySerializer serializer)
     {

src/GreenDonut/test/GreenDonut.Data.Tests/Cursors/CursorFormatterTests.cs

@@ -79,7 +79,7 @@ public void Format_Two_Keys_With_Colon()
 
         // assert
         Assert.Equal("e310ZXN0XDozNDU6ZGVzY3JpcHRpb25cOjEyMw==", result);
-        Assert.Equal("{}test\\:345:description\\:123", Encoding.UTF8.GetString(Convert.FromBase64String(result)));
+        Assert.Equal(@"{}test\:345:description\:123", Encoding.UTF8.GetString(Convert.FromBase64String(result)));
     }
 
     [Fact]

src/HotChocolate/Language/test/Language.Tests/Parser/Utf8HelperTests.cs

@@ -212,7 +212,7 @@ public void Unescape_LongStringWithEscapeAtEnd()
     public void Unescape_MultipleEscapesInLongString()
     {
         // arrange - multiple escapes spread across SIMD boundaries
-        var inputData = "ABCDEFGHIJ\\nKLMNOPQRSTUVWXYZ\\tabcdefghij\\rklmnopqrstuvwxyz"u8.ToArray();
+        var inputData = @"ABCDEFGHIJ\nKLMNOPQRSTUVWXYZ\tabcdefghij\rklmnopqrstuvwxyz"u8.ToArray();
         var outputBuffer = new byte[inputData.Length];
 
         var input = new ReadOnlySpan<byte>(inputData);
@@ -230,7 +230,7 @@ public void Unescape_MultipleEscapesInLongString()
     public void Unescape_SurrogatePair_Emoji()
     {
         // arrange - surrogate pair for 😀 (U+1F600) = \uD83D\uDE00
-        var inputData = "hello\\uD83D\\uDE00world"u8.ToArray();
+        var inputData = @"hello\uD83D\uDE00world"u8.ToArray();
         var outputBuffer = new byte[inputData.Length];
 
         var input = new ReadOnlySpan<byte>(inputData);
@@ -247,7 +247,7 @@ public void Unescape_SurrogatePair_Emoji()
     public void Unescape_ConsecutiveEscapes()
     {
         // arrange - multiple escapes in a row
-        var inputData = "\\n\\r\\t\\b"u8.ToArray();
+        var inputData = @"\n\r\t\b"u8.ToArray();
         var outputBuffer = new byte[inputData.Length];
 
         var input = new ReadOnlySpan<byte>(inputData);
@@ -300,7 +300,7 @@ public void Unescape_Exactly16Bytes_NoEscape()
     public void Unescape_ForwardSlash()
     {
         // arrange - forward slash escape
-        var inputData = "path\\/to\\/file"u8.ToArray();
+        var inputData = @"path\/to\/file"u8.ToArray();
         var outputBuffer = new byte[inputData.Length];
 
         var input = new ReadOnlySpan<byte>(inputData);
@@ -317,7 +317,7 @@ public void Unescape_ForwardSlash()
     public void Unescape_BackslashEscape()
     {
         // arrange - escaped backslash
-        var inputData = "path\\\\to\\\\file"u8.ToArray();
+        var inputData = @"path\\to\\file"u8.ToArray();
         var outputBuffer = new byte[inputData.Length];
 
         var input = new ReadOnlySpan<byte>(inputData);
@@ -327,7 +327,7 @@ public void Unescape_BackslashEscape()
         Utf8Helper.Unescape(in input, ref output, false);
 
         // assert
-        Assert.Equal("path\\to\\file", Encoding.UTF8.GetString(output.ToArray()));
+        Assert.Equal(@"path\to\file", Encoding.UTF8.GetString(output.ToArray()));
     }
 
     [Fact]
@@ -457,7 +457,7 @@ public void Unescape_TruncatedUnicodeEscape_ThrowsException()
     public void Unescape_UnexpectedHighSurrogate_ThrowsException()
     {
         // arrange - two high surrogates in a row
-        var inputData = "\\uD83D\\uD83D"u8.ToArray();
+        var inputData = @"\uD83D\uD83D"u8.ToArray();
         var outputBuffer = new byte[inputData.Length];
 
         // act & assert
@@ -487,7 +487,7 @@ public void Unescape_UnexpectedLowSurrogate_ThrowsException()
     public void Unescape_HighSurrogateNotFollowedByLowSurrogate_ThrowsException()
     {
         // arrange - high surrogate followed by regular char
-        var inputData = "\\uD83D\\u0041"u8.ToArray();
+        var inputData = @"\uD83D\u0041"u8.ToArray();
         var outputBuffer = new byte[inputData.Length];
 
         // act & assert