[interp] support ntype.ToString ()

2 files changed, 40 insertions, 0 deletions

diff --git a/mono/mini/builtin-types.cs b/mono/mini/builtin-types.cs
index 3d5c6fff68c..0596116571e 100644
--- a/mono/mini/builtin-types.cs
+++ b/mono/mini/builtin-types.cs
@@ -301,6 +301,18 @@ public class BuiltinTests {
 		return 0;
 	}
 
+	static int test_0_nint_tostring ()
+	{
+		int x = 1337;
+		if (((nint) x).ToString () != "1337")
+			return 1;
+		x = -1337;
+		if (((nint) x).ToString () != "-1337")
+			return 2;
+
+		return 0;
+	}
+
 	[MethodImplAttribute (MethodImplOptions.NoInlining)]
 	static bool decimal_cmp (decimal a, decimal b)
 	{
@@ -696,6 +708,18 @@ public class BuiltinTests {
 		return 0;
 	}
 
+	static int test_0_nuint_tostring ()
+	{
+		int x = 1337;
+		if (((nuint) x).ToString () != "1337")
+			return 1;
+		x = -1337;
+		if (((nuint) x).ToString () == "-1337")
+			return 2;
+
+		return 0;
+	}
+
 	static int test_0_nuint_implicit_decimal ()
 	{
 		nuint a = new nuint (10);
@@ -1168,6 +1192,19 @@ public class BuiltinTests {
 		return 0;
 	}
 
+	static int test_0_nfloat_tostring ()
+	{
+		float x = 1337.0f;
+		nfloat y = (nfloat) x;
+		if (y.ToString () != "1337")
+			return 1;
+		x = -1337.0f;
+		if (((nfloat) x).ToString () != "-1337")
+			return 2;
+
+		return 0;
+	}
+
 	static int test_0_nfloat_explicit_decimal ()
 	{
 		nfloat a = new nfloat (10);
diff --git a/mono/mini/interp/transform.c b/mono/mini/interp/transform.c
index 964bfb67826..5a99c98d20f 100644
--- a/mono/mini/interp/transform.c
+++ b/mono/mini/interp/transform.c
@@ -1067,6 +1067,9 @@ interp_handle_intrinsics (TransformData *td, MonoMethod *target_method, MonoMeth
 		} else if (!strcmp ("Parse", tm)) {
 			/* white list */
 			return FALSE;
+		} else if (!strcmp ("ToString", tm)) {
+			/* white list */
+			return FALSE;
 		} else if (!strcmp ("IsNaN", tm) || !strcmp ("IsInfinity", tm) || !strcmp ("IsNegativeInfinity", tm) || !strcmp ("IsPositiveInfinity", tm)) {
 			g_assert (type_index == 2); // nfloat only
 			/* white list */