Format all tests.

tests/corelib_strong/expando_test.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.
 
 import "package:expect/expect.dart";
 
 class ExpandoTest {
   static Expando<int> visits;
 
   static testMain() {
     visits = new Expando<int>('visits');
-    var legal = [ new Object(),
-                  new List(), [1,2,3], const [1,2,3],
-                  new Map(), {'x':1,'y':2}, const {'x':1,'y':2},
-                  new Expando(), new Expando('horse') ];
+    var legal = [
+      new Object(),
+      new List(),
+      [1, 2, 3],
+      const [1, 2, 3],
+      new Map(),
+      {'x': 1, 'y': 2},
+      const {'x': 1, 'y': 2},
+      new Expando(),
+      new Expando('horse')
+    ];
     for (var object in legal) {
       testNamedExpando(object);
       testUnnamedExpando(object);
     }
     for (var object in legal) {
       Expect.equals(2, visits[object], "$object");
     }
     testIllegal();
     testIdentity();
   }
@@ skipping 31 matching lines @@
     Expect.isNull(alternative[object]);
     alternative[object] = 87;
     Expect.isNull(expando[object]);
     expando[object] = 99;
     Expect.equals(99, expando[object]);
     Expect.equals(87, alternative[object]);
   }
 
   static testIllegal() {
     Expando<int> expando = new Expando<int>();
-    Expect.throws(() => expando[null], (exception)
-                  => exception is ArgumentError, "null");
-    Expect.throws(() => expando['string'], (exception)
-                  => exception is ArgumentError, "'string'");
-    Expect.throws(() => expando['string'], (exception)
-                  => exception is ArgumentError, "'string'");
-    Expect.throws(() => expando[42], (exception)
-                  => exception is ArgumentError, "42");
-    Expect.throws(() => expando[42.87], (exception)
-                  => exception is ArgumentError, "42.87");
-    Expect.throws(() => expando[true], (exception)
-                  => exception is ArgumentError, "true");
-    Expect.throws(() => expando[false], (exception)
-                  => exception is ArgumentError, "false");
+    Expect.throws(
+        () => expando[null], (exception) => exception is ArgumentError, "null");
+    Expect.throws(() => expando['string'],
+        (exception) => exception is ArgumentError, "'string'");
+    Expect.throws(() => expando['string'],
+        (exception) => exception is ArgumentError, "'string'");
+    Expect.throws(
+        () => expando[42], (exception) => exception is ArgumentError, "42");
+    Expect.throws(() => expando[42.87],
+        (exception) => exception is ArgumentError, "42.87");
+    Expect.throws(
+        () => expando[true], (exception) => exception is ArgumentError, "true");
+    Expect.throws(() => expando[false],
+        (exception) => exception is ArgumentError, "false");
   }
 
   static testIdentity() {
     // Expando only depends on identity of object.
     Expando<int> expando = new Expando<int>();
     var m1 = new Mutable(1);
     var m2 = new Mutable(7);
     var m3 = new Mutable(13);
     expando[m1] = 42;
     Expect.equals(42, expando[m1]);
     m1.id = 37;
     Expect.equals(42, expando[m1]);
     expando[m2] = 37;
     expando[m3] = 10;
     m3.id = 1;
     Expect.equals(42, expando[m1]);
     Expect.equals(37, expando[m2]);
     Expect.equals(10, expando[m3]);
   }
 }
 
 main() => ExpandoTest.testMain();
 
 class Mutable {
   int id;
   Mutable(this.id);
   int get hashCode => id;
-  bool operator==(other) => other is Mutable && other.id == id;
+  bool operator ==(other) => other is Mutable && other.id == id;
 }