Addition of the new flag "file-read-mode" into the analysis server to fix the offset bug with Intel…

pkg/analyzer/test/generated/all_the_rest_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.
 
 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine.all_the_rest_test;
 
 import 'dart:collection';
 
+import 'package:analyzer/file_system/physical_file_system.dart';
 import 'package:analyzer/src/generated/ast.dart' hide ConstantEvaluator;
 import 'package:analyzer/src/generated/constant.dart';
 import 'package:analyzer/src/generated/element.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/error.dart';
 import 'package:analyzer/src/generated/html.dart' as ht;
 import 'package:analyzer/src/generated/java_core.dart';
 import 'package:analyzer/src/generated/java_engine.dart';
 import 'package:analyzer/src/generated/java_engine_io.dart';
 import 'package:analyzer/src/generated/java_io.dart';
@@ skipping 7355 matching lines @@
     FileBasedSource source = new FileBasedSource.con1(file);
     expect(source.fullName, file.getAbsolutePath());
   }
 
   void test_getShortName() {
     JavaFile file = FileUtilities2.createFile("/does/not/exist.dart");
     FileBasedSource source = new FileBasedSource.con1(file);
     expect(source.shortName, "exist.dart");
   }
 
+  void test_fileReadMode() {
+    expect(FileBasedSource.fileReadMode('a'), 'a');
+    expect(FileBasedSource.fileReadMode('a\n'), 'a\n');
+    expect(FileBasedSource.fileReadMode('ab'), 'ab');
+    expect(FileBasedSource.fileReadMode('abc'), 'abc');
+    expect(FileBasedSource.fileReadMode('a\nb'), 'a\nb');
+    expect(FileBasedSource.fileReadMode('a\rb'), 'a\rb');
+    expect(FileBasedSource.fileReadMode('a\r\nb'), 'a\r\nb');
+  }
+
+  void test_fileReadMode_changed() {
+    FileBasedSource.fileReadMode = (String s) => s + 'xyz';
+    expect(FileBasedSource.fileReadMode('a'), 'axyz');
+    expect(FileBasedSource.fileReadMode('a\n'), 'a\nxyz');
+    expect(FileBasedSource.fileReadMode('ab'), 'abxyz');
+    expect(FileBasedSource.fileReadMode('abc'), 'abcxyz');
+    FileBasedSource.fileReadMode = (String s) => s;
+  }
+
+  void test_fileReadMode_normalize_eol_always() {
+    FileBasedSource.fileReadMode =
+        PhysicalResourceProvider.NORMALIZE_EOL_ALWAYS;
+    expect(FileBasedSource.fileReadMode('a'), 'a');
+
+    // '\n' -> '\n' as first, last and only character
+    expect(FileBasedSource.fileReadMode('\n'), '\n');
+    expect(FileBasedSource.fileReadMode('a\n'), 'a\n');
+    expect(FileBasedSource.fileReadMode('\na'), '\na');
+
+    // '\r\n' -> '\n' as first, last and only character
+    expect(FileBasedSource.fileReadMode('\r\n'), '\n');
+    expect(FileBasedSource.fileReadMode('a\r\n'), 'a\n');
+    expect(FileBasedSource.fileReadMode('\r\na'), '\na');
+
+    // '\r' -> '\n' as first, last and only character
+    expect(FileBasedSource.fileReadMode('\r'), '\n');
+    expect(FileBasedSource.fileReadMode('a\r'), 'a\n');
+    expect(FileBasedSource.fileReadMode('\ra'), '\na');
+
+    FileBasedSource.fileReadMode = (String s) => s;
+  }
+
   void test_hashCode() {
     JavaFile file1 = FileUtilities2.createFile("/does/not/exist.dart");
     JavaFile file2 = FileUtilities2.createFile("/does/not/exist.dart");
     FileBasedSource source1 = new FileBasedSource.con1(file1);
     FileBasedSource source2 = new FileBasedSource.con1(file2);
     expect(source2.hashCode, source1.hashCode);
   }
 
   void test_isInSystemLibrary_contagious() {
     JavaFile sdkDirectory = DirectoryBasedDartSdk.defaultSdkDirectory;
@@ skipping 1429 matching lines @@
     } else {
       expect(scriptSource, isNotNull, reason: "script $scriptIndex");
       String actualExternalScriptName = scriptSource.shortName;
       expect(
           actualExternalScriptName,
           _expectedExternalScriptName,
           reason: "script $scriptIndex");
     }
   }
 }