Big merge from experimental to bleeding edge.

tests/language/double_to_string_as_fixed2_test.dart

Index: tests/language/double_to_string_as_fixed2_test.dart
diff --git a/tests/language/double_to_string_as_fixed2_test.dart b/tests/language/double_to_string_as_fixed2_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..f43418c6f4255e5c65d8ac5dac2e7efdb4350539
--- /dev/null
+++ b/tests/language/double_to_string_as_fixed2_test.dart
@@ -0,0 +1,19 @@
+// 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.
+// Test basic integer operations.
+
+main() {
+  Expect.throws(() => 0.0.toStringAsFixed(-1),
+                (e) => e is RangeError);
+  Expect.throws(() => 0.0.toStringAsFixed(21),
+                (e) => e is RangeError);
+  Expect.throws(() => 0.0.toStringAsFixed(null),
+                (e) => e is ArgumentError);
+  Expect.throws(() => 0.0.toStringAsFixed(1.5),
+                (e) => e is ArgumentError || e is TypeError);
+  Expect.throws(() => 0.0.toStringAsFixed("string"),
+                (e) => e is ArgumentError || e is TypeError);
+  Expect.throws(() => 0.0.toStringAsFixed("3"),
+                (e) => e is ArgumentError || e is TypeError);
+}