Fix line endings on MacOSX

Author: g7ed6e

src/System.ServiceModel.BuildTools/tests/OperationInvokerGeneratorTests.cs

@@ -141,7 +141,7 @@ internal static void RegisterOperationInvokers()
 }
 #nullable restore
 
-""", Encoding.UTF8, SourceHashAlgorithm.Sha256)),
+""".FixLineEndingsOnMacOSX(), Encoding.UTF8, SourceHashAlgorithm.Sha256)),
                     },
                 },
             };
@@ -273,7 +273,7 @@ internal static void RegisterOperationInvokers()
 }
 #nullable restore
 
-""", Encoding.UTF8, SourceHashAlgorithm.Sha256)),
+""".FixLineEndingsOnMacOSX(), Encoding.UTF8, SourceHashAlgorithm.Sha256)),
                     },
                 },
             };
@@ -371,7 +371,7 @@ internal static void RegisterOperationInvokers()
 }
 #nullable restore
 
-""", Encoding.UTF8, SourceHashAlgorithm.Sha256)),
+""".FixLineEndingsOnMacOSX(), Encoding.UTF8, SourceHashAlgorithm.Sha256)),
                     },
                 },
             };
@@ -463,7 +463,7 @@ internal static void RegisterOperationInvokers()
 }
 #nullable restore
 
-""", Encoding.UTF8, SourceHashAlgorithm.Sha256)),
+""".FixLineEndingsOnMacOSX(), Encoding.UTF8, SourceHashAlgorithm.Sha256)),
                     },
                 },
             };
@@ -555,7 +555,7 @@ internal static void RegisterOperationInvokers()
 }
 #nullable restore
 
-""", Encoding.UTF8, SourceHashAlgorithm.Sha256)),
+""".FixLineEndingsOnMacOSX(), Encoding.UTF8, SourceHashAlgorithm.Sha256)),
                     },
                 },
             };
@@ -647,7 +647,7 @@ internal static void RegisterOperationInvokers()
 }
 #nullable restore
 
-""", Encoding.UTF8, SourceHashAlgorithm.Sha256)),
+""".FixLineEndingsOnMacOSX(), Encoding.UTF8, SourceHashAlgorithm.Sha256)),
                     },
                 },
             };
@@ -739,7 +739,7 @@ internal static void RegisterOperationInvokers()
 }
 #nullable restore
 
-""", Encoding.UTF8, SourceHashAlgorithm.Sha256)),
+""".FixLineEndingsOnMacOSX(), Encoding.UTF8, SourceHashAlgorithm.Sha256)),
                     },
                 },
             };
@@ -831,12 +831,25 @@ internal static void RegisterOperationInvokers()
 }
 #nullable restore
 
-""", Encoding.UTF8, SourceHashAlgorithm.Sha256)),
+""".FixLineEndingsOnMacOSX(), Encoding.UTF8, SourceHashAlgorithm.Sha256)),
                     },
                 },
             };
 
             await test.RunAsync();
         }
     }
+
+    internal static class StringExtensions
+    {
+        public static string FixLineEndingsOnMacOSX(this string input)
+        {
+            if (Environment.OSVersion.Platform == PlatformID.MacOSX)
+            {
+                return input.Replace("\r\n", "\n");
+            }
+
+            return input;
+        }
+    }
 }