Format all tests.

tests/language_strong/rewrite_swap_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";
 
-swap1(x,y,b) {
-    if (b) {
-        var t = x;
-        x = y;
-        y = t;
-    }
-    Expect.equals(2, x);
-    Expect.equals(1, y);
+swap1(x, y, b) {
+  if (b) {
+    var t = x;
+    x = y;
+    y = t;
+  }
+  Expect.equals(2, x);
+  Expect.equals(1, y);
 }
 
-swap2(x,y,z,w,b) {
-    if (b) {
-        var t = x;
-        x = y;
-        y = t;
+swap2(x, y, z, w, b) {
+  if (b) {
+    var t = x;
+    x = y;
+    y = t;
 
-        var q = z;
-        z = w;
-        w = q;
-    }
-    Expect.equals(2, x);
-    Expect.equals(1, y);
-    Expect.equals(4, z);
-    Expect.equals(3, w);
+    var q = z;
+    z = w;
+    w = q;
+  }
+  Expect.equals(2, x);
+  Expect.equals(1, y);
+  Expect.equals(4, z);
+  Expect.equals(3, w);
 }
 
-swap3(x,y,z,b) {
-    if (b) {
-        var t = x;
-        x = y;
-        y = z;
-        z = t;
-    }
-    Expect.equals(2, x);
-    Expect.equals(3, y);
-    Expect.equals(1, z);
+swap3(x, y, z, b) {
+  if (b) {
+    var t = x;
+    x = y;
+    y = z;
+    z = t;
+  }
+  Expect.equals(2, x);
+  Expect.equals(3, y);
+  Expect.equals(1, z);
 }
 
-swap4(x,y,z,b) {
-    if (b) {
-        var t = x;
-        x = y;
-        y = z; // swap cycle involves unused variable 'y'
-        z = t;
-    }
-    Expect.equals(2, x);
-    Expect.equals(1, z);
+swap4(x, y, z, b) {
+  if (b) {
+    var t = x;
+    x = y;
+    y = z; // swap cycle involves unused variable 'y'
+    z = t;
+  }
+  Expect.equals(2, x);
+  Expect.equals(1, z);
 }
 
-swap5(x,y,z,w,b,b2) {
-    if (b) {
-        var t = x;
-        x = y;
-        y = t;
-    }
-    if (b2) {
-        var q = z;
-        z = w;
-        w = q;
-    }
-    Expect.equals(2, x);
-    Expect.equals(1, y);
-    Expect.equals(4, z);
-    Expect.equals(3, w);
+swap5(x, y, z, w, b, b2) {
+  if (b) {
+    var t = x;
+    x = y;
+    y = t;
+  }
+  if (b2) {
+    var q = z;
+    z = w;
+    w = q;
+  }
+  Expect.equals(2, x);
+  Expect.equals(1, y);
+  Expect.equals(4, z);
+  Expect.equals(3, w);
 }
 
 main() {
-    swap1(1,2,true);
-    swap1(2,1,false);
+  swap1(1, 2, true);
+  swap1(2, 1, false);
 
-    swap2(1,2,3,4,true);
-    swap2(2,1,4,3,false);
+  swap2(1, 2, 3, 4, true);
+  swap2(2, 1, 4, 3, false);
 
-    swap3(1,2,3,true);
-    swap3(2,3,1,false);
+  swap3(1, 2, 3, true);
+  swap3(2, 3, 1, false);
 
-    swap4(1,2,3,true);
-    swap4(2,3,1,false);
+  swap4(1, 2, 3, true);
+  swap4(2, 3, 1, false);
 
-    swap5(1,2,3,4,true, true);
-    swap5(1,2,4,3,true, false);
-    swap5(2,1,3,4,false, true);
-    swap5(2,1,4,3,false, false);
+  swap5(1, 2, 3, 4, true, true);
+  swap5(1, 2, 4, 3, true, false);
+  swap5(2, 1, 3, 4, false, true);
+  swap5(2, 1, 4, 3, false, false);
 }