Format all tests.

tests/corelib/iterable_fold_test.dart

 // Copyright (c) 2014, 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.
 
 import "package:expect/expect.dart";
 import 'dart:collection';
 import 'dart:typed_data';
 
 class MyList extends ListBase {
   List list;
   MyList(this.list);
 
   get length => list.length;
-  set length(val) { list.length = val; }
+  set length(val) {
+    list.length = val;
+  }
 
   operator [](index) => list[index];
   operator []=(index, val) => list[index] = val;
 }
 
 id(x) => x;
 
 main() {
   for (var iterable in [
-      const [1, 2, 3],
-      [1, 2, 3],
-      new List(3)..[0] = 1..[1] = 2..[2] = 3,
-      {1: 1, 2: 2, 3: 3}.keys,
-      {1: 1, 2: 2, 3: 3}.values,
-      new Iterable.generate(3, (x) => x + 1),
-      new List.generate(3, (x) => x + 1),
-      [0, 1, 2, 3].where((x) => x > 0),
-      [0, 1, 2].map((x) => x + 1),
-      [[1, 2], [3]].expand(id),
-      [3, 2, 1].reversed,
-      [0, 1, 2, 3].skip(1),
-      [1, 2, 3, 4].take(3),
-      new Uint8List(3)..[0] = 1..[1] = 2..[2] = 3,
-      (new HashMap()..[1] = 1..[2] = 2..[3] = 3).keys,
-      (new HashMap()..[1] = 1..[2] = 2..[3] = 3).values,
-      (new SplayTreeMap()..[1] = 0..[2] = 0..[3] = 0).keys,
-      (new SplayTreeMap()..[0] = 1..[1] = 2..[2] = 3).values,
-      new HashSet()..add(1)..add(2)..add(3),
-      new LinkedHashSet()..add(1)..add(2)..add(3),
-      new SplayTreeSet()..add(1)..add(2)..add(3),
-      "\x01\x02\x03".codeUnits,
-      "\x01\x02\x03".runes,
-      new MyList([1, 2, 3]),
-    ]) {
+    const [1, 2, 3],
+    [1, 2, 3],
+    new List(3)
+      ..[0] = 1
+      ..[1] = 2
+      ..[2] = 3,
+    {1: 1, 2: 2, 3: 3}.keys,
+    {1: 1, 2: 2, 3: 3}.values,
+    new Iterable.generate(3, (x) => x + 1),
+    new List.generate(3, (x) => x + 1),
+    [0, 1, 2, 3].where((x) => x > 0),
+    [0, 1, 2].map((x) => x + 1),
+    [
+      [1, 2],
+      [3]
+    ].expand(id),
+    [3, 2, 1].reversed,
+    [0, 1, 2, 3].skip(1),
+    [1, 2, 3, 4].take(3),
+    new Uint8List(3)
+      ..[0] = 1
+      ..[1] = 2
+      ..[2] = 3,
+    (new HashMap()
+          ..[1] = 1
+          ..[2] = 2
+          ..[3] = 3)
+        .keys,
+    (new HashMap()
+          ..[1] = 1
+          ..[2] = 2
+          ..[3] = 3)
+        .values,
+    (new SplayTreeMap()
+          ..[1] = 0
+          ..[2] = 0
+          ..[3] = 0)
+        .keys,
+    (new SplayTreeMap()
+          ..[0] = 1
+          ..[1] = 2
+          ..[2] = 3)
+        .values,
+    new HashSet()..add(1)..add(2)..add(3),
+    new LinkedHashSet()..add(1)..add(2)..add(3),
+    new SplayTreeSet()..add(1)..add(2)..add(3),
+    "\x01\x02\x03".codeUnits,
+    "\x01\x02\x03".runes,
+    new MyList([1, 2, 3]),
+  ]) {
     int callCount = 0;
-    var result = iterable.fold(0, (x, y) { callCount++;  return x + y; });
+    var result = iterable.fold(0, (x, y) {
+      callCount++;
+      return x + y;
+    });
     Expect.equals(6, result, "${iterable.runtimeType}");
     Expect.equals(3, callCount);
   }
 
   // Empty iterables are allowed.
   for (var iterable in [
-      const [],
-      [],
-      new List(0),
-      {}.keys,
-      {}.values,
-      new Iterable.generate(0, (x) => x + 1),
-      new List.generate(0, (x) => x + 1),
-      [0, 1, 2, 3].where((x) => false),
-      [].map((x) => x + 1),
-      [[], []].expand(id),
-      [].reversed,
-      [0, 1, 2, 3].skip(4),
-      [1, 2, 3, 4].take(0),
-      new Uint8List(0),
-      (new HashMap()).keys,
-      (new HashMap()).values,
-      (new SplayTreeMap()).keys,
-      (new SplayTreeMap()).values,
-      new HashSet(),
-      new LinkedHashSet(),
-      new SplayTreeSet(),
-      "".codeUnits,
-      "".runes,
-      new MyList([]),
-    ]) {
+    const [],
+    [],
+    new List(0),
+    {}.keys,
+    {}.values,
+    new Iterable.generate(0, (x) => x + 1),
+    new List.generate(0, (x) => x + 1),
+    [0, 1, 2, 3].where((x) => false),
+    [].map((x) => x + 1),
+    [[], []].expand(id),
+    [].reversed,
+    [0, 1, 2, 3].skip(4),
+    [1, 2, 3, 4].take(0),
+    new Uint8List(0),
+    (new HashMap()).keys,
+    (new HashMap()).values,
+    (new SplayTreeMap()).keys,
+    (new SplayTreeMap()).values,
+    new HashSet(),
+    new LinkedHashSet(),
+    new SplayTreeSet(),
+    "".codeUnits,
+    "".runes,
+    new MyList([]),
+  ]) {
     Expect.equals(42, iterable.fold(42, (x, y) => throw "Unreachable"));
   }
 
   // Singleton iterables are calling reduce function.
   for (var iterable in [
-      const [1],
-      [1],
-      new List(1)..[0] = 1,
-      {1: 1}.keys,
-      {1: 1}.values,
-      new Iterable.generate(1, (x) => x + 1),
-      new List.generate(1, (x) => x + 1),
-      [0, 1, 2, 3].where((x) => x == 1),
-      [0].map((x) => x + 1),
-      [[], [1]].expand(id),
-      [1].reversed,
-      [0, 1].skip(1),
-      [1, 2, 3, 4].take(1),
-      new Uint8List(1)..[0] = 1,
-      (new HashMap()..[1] = 0).keys,
-      (new HashMap()..[0] = 1).values,
-      (new SplayTreeMap()..[1] = 0).keys,
-      (new SplayTreeMap()..[0] = 1).values,
-      new HashSet()..add(1),
-      new LinkedHashSet()..add(1),
-      new SplayTreeSet()..add(1),
-      "\x01".codeUnits,
-      "\x01".runes,
-      new MyList([1]),
-    ]) {
+    const [1],
+    [1],
+    new List(1)..[0] = 1,
+    {1: 1}.keys,
+    {1: 1}.values,
+    new Iterable.generate(1, (x) => x + 1),
+    new List.generate(1, (x) => x + 1),
+    [0, 1, 2, 3].where((x) => x == 1),
+    [0].map((x) => x + 1),
+    [
+      [],
+      [1]
+    ].expand(id),
+    [1].reversed,
+    [0, 1].skip(1),
+    [1, 2, 3, 4].take(1),
+    new Uint8List(1)..[0] = 1,
+    (new HashMap()..[1] = 0).keys,
+    (new HashMap()..[0] = 1).values,
+    (new SplayTreeMap()..[1] = 0).keys,
+    (new SplayTreeMap()..[0] = 1).values,
+    new HashSet()..add(1),
+    new LinkedHashSet()..add(1),
+    new SplayTreeSet()..add(1),
+    "\x01".codeUnits,
+    "\x01".runes,
+    new MyList([1]),
+  ]) {
     Expect.equals(43, iterable.fold(42, (x, y) => x + y));
   }
 
   // Concurrent modifications not allowed.
   testModification(base, modify, transform) {
     var iterable = transform(base);
     Expect.throws(() {
       iterable.fold(0, (x, y) {
         modify(base);
         return x + y;
       });
     }, (e) => e is ConcurrentModificationError);
   }
 
-  void add4(collection) { collection.add(4); }
-  void put4(map) { map[4] = 4; }
+  void add4(collection) {
+    collection.add(4);
+  }
+
+  void put4(map) {
+    map[4] = 4;
+  }
 
   testModification([1, 2, 3], add4, id);
   testModification(new HashSet()..add(1)..add(2)..add(3), add4, id);
   testModification(new LinkedHashSet()..add(1)..add(2)..add(3), add4, id);
   testModification(new SplayTreeSet()..add(1)..add(2)..add(3), add4, id);
   testModification(new MyList([1, 2, 3]), add4, id);
 
   testModification([0, 1, 2, 3], add4, (x) => x.where((x) => x > 0));
   testModification([0, 1, 2], add4, (x) => x.map((x) => x + 1));
-  testModification([[1, 2], [3]], add4, (x) => x.expand((x) => x));
+  testModification([
+    [1, 2],
+    [3]
+  ], add4, (x) => x.expand((x) => x));
   testModification([3, 2, 1], add4, (x) => x.reversed);
   testModification({1: 1, 2: 2, 3: 3}, put4, (x) => x.keys);
   testModification({1: 1, 2: 2, 3: 3}, put4, (x) => x.values);
-  var hashMap = new HashMap()..[1] = 1..[2] = 2..[3] = 3;
+  var hashMap = new HashMap()
+    ..[1] = 1
+    ..[2] = 2
+    ..[3] = 3;
   testModification(hashMap, put4, (x) => x.keys);
-  hashMap = new HashMap()..[1] = 1..[2] = 2..[3] = 3;
+  hashMap = new HashMap()
+    ..[1] = 1
+    ..[2] = 2
+    ..[3] = 3;
   testModification(hashMap, put4, (x) => x.values);
-  var splayMap = new SplayTreeMap()..[1] = 1..[2] = 2..[3] = 3;
+  var splayMap = new SplayTreeMap()
+    ..[1] = 1
+    ..[2] = 2
+    ..[3] = 3;
   testModification(splayMap, put4, (x) => x.keys);
-  splayMap = new SplayTreeMap()..[1] = 1..[2] = 2..[3] = 3;
+  splayMap = new SplayTreeMap()
+    ..[1] = 1
+    ..[2] = 2
+    ..[3] = 3;
   testModification(splayMap, put4, (x) => x.values);
 }