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

Index: pkg/analyzer/test/generated/all_the_rest_test.dart
diff --git a/pkg/analyzer/test/generated/all_the_rest_test.dart b/pkg/analyzer/test/generated/all_the_rest_test.dart
index 5852a91ffe6b1a0e3457a1e70af6695cec4b59e2..3c1f95b3b68fc17aa634c543f311ba68ad079a87 100644
--- a/pkg/analyzer/test/generated/all_the_rest_test.dart
+++ b/pkg/analyzer/test/generated/all_the_rest_test.dart
@@ -9,6 +9,7 @@ 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';
@@ -7384,6 +7385,48 @@ class FileBasedSourceTest {
     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");