Handle function arguments inside function calls.

test/formatter_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.
 
 @TestOn("vm")
 library dart_style.test.formatter_test;
 
 import 'dart:io';
 import 'dart:mirrors';
 
@@ skipping 21 matching lines @@
     try {
       new DartFormatter().format("library");
     } on FormatterException catch (err) {
       var message = err.message();
       expect(message, contains("Could not format"));
     }
   });
 
   test("FormatterException describes parse errors", () {
     try {
-      new DartFormatter().format("""
+      new DartFormatter().format(
+          """
 
       var a = some error;
 
       var b = another one;
-      """, uri: "my_file.dart");
+      """,
+          uri: "my_file.dart");
 
       fail("Should throw.");
     } on FormatterException catch (err) {
       var message = err.message();
       expect(message, contains("my_file.dart"));
       expect(message, contains("line 2"));
       expect(message, contains("line 4"));
     }
   });
 
@@ skipping 25 matching lines @@
       expect(err, new isInstanceOf<FormatterException>());
       var message = err.message();
       expect(message, contains("Unexpected token"));
       expect(message, contains("column 11"));
     }
   });
 
   test('preserves initial indent', () {
     var formatter = new DartFormatter(indent: 3);
     expect(
-        formatter.formatStatement('if (foo) {bar;}'), equals('   if (foo) {\n'
+        formatter.formatStatement('if (foo) {bar;}'),
+        equals('   if (foo) {\n'
             '     bar;\n'
             '   }'));
   });
 
   group('line endings', () {
     test('uses given line ending', () {
       expect(new DartFormatter(lineEnding: "%").format("var i = 1;"),
           equals("var i = 1;%"));
     });
 
     test('infers \\r\\n if the first newline uses that', () {
       expect(new DartFormatter().format("var\r\ni\n=\n1;\n"),
           equals("var i = 1;\r\n"));
     });
 
     test('infers \\n if the first newline uses that', () {
       expect(new DartFormatter().format("var\ni\r\n=\r\n1;\r\n"),
           equals("var i = 1;\n"));
     });
 
     test('defaults to \\n if there are no newlines', () {
       expect(new DartFormatter().format("var i =1;"), equals("var i = 1;\n"));
     });
 
     test('handles Windows line endings in multiline strings', () {
       expect(
           new DartFormatter(lineEnding: "\r\n").formatStatement('  """first\r\n'
               'second\r\n'
-              'third"""  ;'), equals('"""first\r\n'
+              'third"""  ;'),
+          equals('"""first\r\n'
               'second\r\n'
               'third""";'));
     });
   });
 }
 
 /// Run tests defined in "*.unit" and "*.stmt" files inside directory [name].
 void testDirectory(String name) {
   var indentPattern = new RegExp(r"^\(indent (\d+)\)\s*");
 
@@ skipping 87 matching lines @@
   source = source.replaceAll("‹", "");
 
   var end = source.indexOf("›");
   source = source.replaceAll("›", "");
 
   return new SourceCode(source,
       isCompilationUnit: isCompilationUnit,
       selectionStart: start == -1 ? null : start,
       selectionLength: end == -1 ? null : end - start);
 }