Throw FormatException when Int32/Int64.parseRadix() encounters bad digit

pkg/fixnum/test/int_64_test.dart

Index: pkg/fixnum/test/int_64_test.dart
diff --git a/pkg/fixnum/test/int_64_test.dart b/pkg/fixnum/test/int_64_test.dart
index 891b8e744f17c443c21b02becbef2bb08835817d..7370c850b5e33553b07d2a62a10110e4e4575d24 100644
--- a/pkg/fixnum/test/int_64_test.dart
+++ b/pkg/fixnum/test/int_64_test.dart
@@ -634,8 +634,7 @@ void main() {
     expect(fact18 ~/ fact17, new Int64(18));
   });
 
-  test("min, max values", () {
-    expect(new Int64(1) << 63, Int64.MIN_VALUE);
+  test("min, max values", () { expect(new Int64(1) << 63, Int64.MIN_VALUE);

[sra1, 2013/10/23 04:09:11]

Put the first statement of the block back on its own line.

[Chris Bracken, 2013/10/23 23:34:12]

Done.

     expect(-(Int64.MIN_VALUE + new Int64(1)), Int64.MAX_VALUE);
   });
 
@@ -658,6 +657,9 @@ void main() {
       checkInt(4294967296);
       checkInt(-4294967295);
       checkInt(-4294967296);
+      expect(() => Int64.parseRadix('xyzzy', -1), throwsArgumentError);
+      expect(() => Int64.parseRadix('plugh', 10),
+          throwsA(new isInstanceOf<FormatException>()));
     });
 
     test("parseRadix", () {