Big merge from experimental to bleeding edge.

tests/language/double_to_string_as_exponential3_test.dart

Index: tests/language/double_to_string_as_exponential3_test.dart
diff --git a/tests/language/double_to_string_as_exponential3_test.dart b/tests/language/double_to_string_as_exponential3_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..daaa069e4ddb6607a6447b93515d270c5c0e1e59
--- /dev/null
+++ b/tests/language/double_to_string_as_exponential3_test.dart
@@ -0,0 +1,11 @@
+// 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.equals("1.00000000000000000000e+0", (1.0).toStringAsExponential(20));
+  Expect.equals("1.00000000000000005551e-1", (0.1).toStringAsExponential(20));
+  Expect.equals(1.00000000000000005551e-1, 0.1);
+}