pkg/string_scanner: code format, expanded dependency constraint on unittest

test/error_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.
 
 library string_scanner.error_test;
 
 import 'package:string_scanner/string_scanner.dart';
 import 'package:unittest/unittest.dart';
 
 import 'utils.dart';
@@ skipping 10 matching lines @@
     test('supports an earlier match', () {
       var scanner = new StringScanner('foo bar baz');
       scanner.expect('foo ');
       var match = scanner.lastMatch;
       scanner.expect('bar');
       expect(() => scanner.error('oh no!', match: match),
           throwsStringScannerException('foo '));
     });
 
     test('supports a match on a previous line', () {
-      var scanner = new StringScanner('foo bar baz\ndo re mi\nearth fire water');
+      var scanner =
+          new StringScanner('foo bar baz\ndo re mi\nearth fire water');
       scanner.expect('foo bar baz\ndo ');
       scanner.expect('re');
       var match = scanner.lastMatch;
       scanner.expect(' mi\nearth ');
       expect(() => scanner.error('oh no!', match: match),
           throwsStringScannerException('re'));
     });
 
     test('supports a multiline match', () {
-      var scanner = new StringScanner('foo bar baz\ndo re mi\nearth fire water');
+      var scanner =
+          new StringScanner('foo bar baz\ndo re mi\nearth fire water');
       scanner.expect('foo bar ');
       scanner.expect('baz\ndo');
       var match = scanner.lastMatch;
       scanner.expect(' re mi');
       expect(() => scanner.error('oh no!', match: match),
           throwsStringScannerException('baz\ndo'));
     });
 
     test('supports a match after position', () {
       var scanner = new StringScanner('foo bar baz');
@@ skipping 22 matching lines @@
     });
 
     test('supports an earlier position', () {
       var scanner = new StringScanner('foo bar baz');
       scanner.expect('foo ');
       expect(() => scanner.error('oh no!', position: 1, length: 2),
           throwsStringScannerException('oo'));
     });
 
     test('supports a position on a previous line', () {
-      var scanner = new StringScanner('foo bar baz\ndo re mi\nearth fire water');
+      var scanner =
+          new StringScanner('foo bar baz\ndo re mi\nearth fire water');
       scanner.expect('foo bar baz\ndo re mi\nearth');
       expect(() => scanner.error('oh no!', position: 15, length: 2),
           throwsStringScannerException('re'));
     });
 
     test('supports a multiline length', () {
-      var scanner = new StringScanner('foo bar baz\ndo re mi\nearth fire water');
+      var scanner =
+          new StringScanner('foo bar baz\ndo re mi\nearth fire water');
       scanner.expect('foo bar baz\ndo re mi\nearth');
       expect(() => scanner.error('oh no!', position: 8, length: 8),
           throwsStringScannerException('baz\ndo r'));
     });
 
     test('supports a position after the current one', () {
       var scanner = new StringScanner('foo bar baz');
       expect(() => scanner.error('oh no!', position: 4, length: 3),
           throwsStringScannerException('bar'));
     });
@@ skipping 12 matching lines @@
       scanner.scan('foo');
     });
 
     test("if match is passed with position", () {
       expect(
           () => scanner.error("oh no!", match: scanner.lastMatch, position: 1),
           throwsArgumentError);
     });
 
     test("if match is passed with length", () {
-      expect(
-          () => scanner.error("oh no!", match: scanner.lastMatch, length: 1),
+      expect(() => scanner.error("oh no!", match: scanner.lastMatch, length: 1),
           throwsArgumentError);
     });
 
     test("if position is negative", () {
       expect(() => scanner.error("oh no!", position: -1), throwsArgumentError);
     });
 
     test("if position is outside the string", () {
       expect(() => scanner.error("oh no!", position: 100), throwsArgumentError);
     });
 
     test("if position + length is outside the string", () {
       expect(() => scanner.error("oh no!", position: 7, length: 7),
           throwsArgumentError);
     });
 
     test("if length is negative", () {
       expect(() => scanner.error("oh no!", length: -1), throwsArgumentError);
     });
   });
 }