Migrated test block 12 to Dart 2.0.

tests/corelib/iterable_tostring_test.dart

Index: tests/corelib/iterable_tostring_test.dart
diff --git a/tests/corelib/iterable_tostring_test.dart b/tests/corelib/iterable_tostring_test.dart
deleted file mode 100644
index bb220978412c84f3b89e5c50e8369f9a6707e5ab..0000000000000000000000000000000000000000
--- a/tests/corelib/iterable_tostring_test.dart
+++ /dev/null
@@ -1,106 +0,0 @@
-// Copyright (c) 2013, 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 the IterableBase/IterableMixin toString method.
-
-import "package:expect/expect.dart";
-import "dart:collection";
-
-String mkIt(int len, [func]) {
-  var list;
-  if (func == null) {
-    list = new List.generate(len, (x) => x);
-  } else {
-    list = new List.generate(len, func);
-  }
-  return new MyIterable(list).toString();
-}
-
-class MyIterable extends IterableBase {
-  final Iterable _base;
-  MyIterable(this._base);
-  Iterator get iterator => _base.iterator;
-}
-
-void main() {
-  Expect.equals("()", mkIt(0));
-  Expect.equals("(0)", mkIt(1));
-  Expect.equals("(0, 1)", mkIt(2));
-  Expect.equals("(0, 1, 2, 3, 4, 5, 6, 7, 8)", mkIt(9));
-
-  // Builds string up to 60 characters, then finishes with last two
-  // elements.
-  Expect.equals(
-      //0123456789012345678901234567890123456789 - 40 characters
-      "(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 1"
-      "2, 13, 14, 15, 16, 17, 18, ..., 98, 99)",
-      mkIt(100));
-
-  Expect.equals(
-      //0123456789012345678901234567890123456789
-      "(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 1"
-      "2, 13, 14, 15, 16, 17, 18)",
-      mkIt(19));
-
-  Expect.equals(
-      //0123456789012345678901234567890123456789
-      "(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 1"
-      "2, 13, 14, 15, 16, 17, 18, 19)",
-      mkIt(20));
-
-  Expect.equals(
-      //0123456789012345678901234567890123456789
-      "(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 1"
-      "2, 13, 14, 15, 16, 17, 18, 19, 20)",
-      mkIt(21));
-
-  // Don't show last two elements if more than 100 elements total
-  // (can't be 100 elements in 80 characters including commas).
-  Expect.equals(
-      //0123456789012345678901234567890123456789
-      "(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 1"
-      "2, 13, 14, 15, 16, 17, 18, 19, 20, ...)",
-      mkIt(101));
-
-  // If last two elements bring total over 80 characters, drop some of
-  // the previous ones as well.
-
-  Expect.equals(
-      //0123456789012345678901234567890123456789
-      "(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 1"
-      "2, 13, ..., 18, xxxxxxxxxxxxxxxxxxxx)",
-      mkIt(20, (x) => x == 19 ? "xxxxxxxxxxxxxxxxxxxx" : "$x"));
-
-  // Never drop the first three or the last two.
-  Expect.equals(
-      //0123456789012345678901234567890123456789
-      "(xxxxxxxxxxxxxxxxx, xxxxxxxxxxxxxxxxx, x"
-      "xxxxxxxxxxxxxxxx, ..., 18, xxxxxxxxxxxxx"
-      "xxxx)",
-      mkIt(20, (x) => (x < 3 || x == 19) ? "xxxxxxxxxxxxxxxxx" : "$x"));
-
-  // Never drop the first three or the last two.
-  Expect.equals(
-      //0123456789012345678901234567890123456789
-      "(xxxxxxxxxxxxxxxxx, xxxxxxxxxxxxxxxxx, x"
-      "xxxxxxxxxxxxxxxx, ..., xxxxxxxxxxxxxxxxx"
-      ", 19)",
-      mkIt(20, (x) => (x < 3 || x == 18) ? "xxxxxxxxxxxxxxxxx" : "$x"));
-
-  // If the first three are very long, always include them anyway.
-  Expect.equals(
-      //0123456789012345678901234567890123456789
-      "(xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx,"
-      " xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx,"
-      " xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx,"
-      " ..., 98, 99)",
-      mkIt(100,
-          (x) => (x < 3) ? "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" : "$x"));
-
-  Expect.equals(
-      //0123456789012345678901234567890123456789
-      "(, , , , , , , , , , , , , , , , , , , ,"
-      " , , , , , , , , , , , , , , , ..., , )",
-      mkIt(100, (_) => ""));
-}