Add tests for illegal toRadixString arguments.
diff --git a/test/int64_test.dart b/test/int64_test.dart
index 3510988..42292d8 100644
--- a/test/int64_test.dart
+++ b/test/int64_test.dart
@@ -752,6 +752,9 @@
expect(Int64.MAX_VALUE.toRadixString(14), "4340724c6c71dc7a7");
expect(Int64.MAX_VALUE.toRadixString(15), "160e2ad3246366807");
expect(Int64.MAX_VALUE.toRadixString(16), "7fffffffffffffff");
+ expect(() => new Int64(42).toRadixString(-1), throwsArgumentError);
+ expect(() => new Int64(42).toRadixString(0), throwsArgumentError);
+ expect(() => new Int64(42).toRadixString(37), throwsArgumentError);
});
});
}
