exposing bug

Author: Daniel Lemire

test/Base64DecodingTests.cs

@@ -250,19 +250,18 @@ protected static void Issue511(Base64WithWhiteSpaceToBinary Base64WithWhiteSpace
     {
         ArgumentNullException.ThrowIfNull(Base64WithWhiteSpaceToBinary);
 
-        // 0x7f is not a valid base64 character.
-        byte[] base64Bytes = [0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
-                                0x20, 0x20, 0x7f, 0x57, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+        byte[] base64Bytes = [0x7f, 0x57, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a,
+                                0x5a, 0x5a, 0x57, 0x57, 0x57, 0x57, 0x57, 0x57, 0x57, 0x57,
+                                0x57, 0x57, 0x57, 0x57, 0x57, 0x57, 0x57, 0x57, 0x57, 0x57,
+                                0x57, 0x57, 0x57, 0x57, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
                                 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
-                                0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
-                                0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
-                                0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
-                                0x20, 0x20, 0x20, 0x5a];
+                                0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x5a,
+                                0x20, 0x5a, 0x5a, 0x5a];
         ReadOnlySpan<byte> base64Span = new ReadOnlySpan<byte>(base64Bytes);
         int bytesConsumed;
         int bytesWritten;
         byte[] buffer = new byte[48];
-        var result = Base64WithWhiteSpaceToBinary(base64Span, buffer, out bytesConsumed, out bytesWritten, false);
+        var result = Base64WithWhiteSpaceToBinary(base64Span, buffer, out bytesConsumed, out bytesWritten, true);
         Assert.Equal(OperationStatus.InvalidData, result);
 
     }