Also allow type-errors.

tests/language/src/Arithmetic2Test.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 // Dart test program to test arithmetic operations.
 
 class A {
   static foo() => 499;
 }
 
 bool throwsNoSuchMethod(f) {
   try {
     f();
     return false;
   } catch(NoSuchMethodException e) {
     return true;
   }
   return false;
 }
 
 bool throwsBecauseOfBadArgument(f) {
   try {
     f();
     return false;
   } catch(NoSuchMethodException e) {
     return true;
   } catch(IllegalArgumentException e) {
     return true;
   } catch(NullPointerException e) {
     return true;
+  } catch (TypeError e) {
+    // In type checked mode.

[kasperl, 2012/02/15 14:24:22]

Maybe you should make sure we're actually running in checked mode here?

+    return true;
   }
   return false;
 }
 
 numberOpBadSecondArgument(f) {
   Expect.isTrue(throwsBecauseOfBadArgument(() => f(true)));
   Expect.isTrue(throwsBecauseOfBadArgument(() => f(new A())));
   Expect.isTrue(throwsBecauseOfBadArgument(() => f("foo")));
   Expect.isTrue(throwsBecauseOfBadArgument(() => f("5")));
   Expect.isTrue(throwsBecauseOfBadArgument(() => f(() => 499)));
@@ skipping 21 matching lines @@
   numberOpBadSecondArgument((x) => 3 - x);
   numberOpBadSecondArgument((x) => 3 * x);
   numberOpBadSecondArgument((x) => 3 / x);
   numberOpBadSecondArgument((x) => 3 ~/ x);
   numberOpBadSecondArgument((x) => 3 % x);
   badOperations(true);
   badOperations(false);
   badOperations(() => 499);
   badOperations(A.foo);
 }