Replace sys.long_info with sys.int_info (#1138)

* Replace sys.long_info with sys.int_info

* Update Src/IronPython/Modules/sys.cs

Correct PythonType name

Co-authored-by: slozier <[email protected]>

Author: dc366

Src/IronPython/Modules/sys.cs

@@ -406,12 +406,12 @@ public int quiet {
 
         #endregion
 
-        // These values are based on the .NET 2 BigInteger in Microsoft.Scripting.Math
-        public static longinfo long_info = new longinfo(32, 4);
+        // These values are based on the .NET BigInteger in System.Numerics.BigInteger
+        public static intinfo int_info = new intinfo(32, 4);
 
-        [PythonType("long_info"), PythonHidden]
-        public class longinfo : PythonTuple {
-            internal longinfo(int bits_per_digit, int sizeof_digit)
+        [PythonType("int_info"), PythonHidden]
+        public class intinfo : PythonTuple {
+            internal intinfo(int bits_per_digit, int sizeof_digit)
                 : base(new object[] { bits_per_digit, sizeof_digit }) {
 
                 this.bits_per_digit = bits_per_digit;
@@ -426,7 +426,7 @@ internal longinfo(int bits_per_digit, int sizeof_digit)
             public const int n_unnamed_fields = 0;
 
             public override string __repr__(CodeContext context) {
-                return $"sys.long_info(bits_per_digit={bits_per_digit}, sizeof_digit={sizeof_digit})";
+                return $"sys.int_info(bits_per_digit={bits_per_digit}, sizeof_digit={sizeof_digit})";
             }
         }
 

Src/StdLib/Lib/test/test_sys.py

@@ -406,7 +406,13 @@ def test_attributes(self):
         self.assertEqual(len(sys.float_info), 11)
         self.assertEqual(sys.float_info.radix, 2)
         self.assertEqual(len(sys.int_info), 2)
-        self.assertTrue(sys.int_info.bits_per_digit % 5 == 0)
+
+        # ironpython-specific integer representation https://github.com/IronLanguages/ironpython3/issues/974
+        if sys.implementation.name == "ironpython":
+            self.assertTrue(sys.int_info.bits_per_digit == 32)
+        else:
+            self.assertTrue(sys.int_info.bits_per_digit % 5 == 0)
+
         self.assertTrue(sys.int_info.sizeof_digit >= 1)
         self.assertEqual(type(sys.int_info.bits_per_digit), int)
         self.assertEqual(type(sys.int_info.sizeof_digit), int)