Add missed files from previous CL

pkg/analyzer/test/error/error_test.dart

+// Copyright (c) 2017, 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 'dart:core';
+import 'dart:io';
+
+import 'package:analyzer/dart/ast/ast.dart';
+import 'package:path/path.dart' as path;
+import 'package:test/test.dart';
+import 'package:test_reflective_loader/test_reflective_loader.dart';
+
+import '../generated/parser_test.dart';
+
+main() {
+  defineReflectiveSuite(() {
+    defineReflectiveTests(ErrorCodeValuesTest);
+  });
+}
+
+@reflectiveTest
+class ErrorCodeValuesTest extends ParserTestCase {
+  List<String> _rootComponents;
+
+  List<String> get rootComponents {
+    if (_rootComponents == null) {
+      List<String> components = path.split(Platform.script.toFilePath());
+      _rootComponents =
+          components.sublist(0, components.indexOf('analyzer') + 1);
+    }
+    return _rootComponents;
+  }
+
+  bool bad() {
+    return false;
+  }
+
+  List<String> getDeclaredCodes(List<String> relativeComponents) {
+    List<String> declaredCodes = <String>[];
+    CompilationUnit definingUnit = parseFile(relativeComponents);
+    for (CompilationUnitMember declaration in definingUnit.declarations) {
+      if (declaration is ClassDeclaration) {
+        ExtendsClause extendsClause = declaration.extendsClause;
+        if (extendsClause != null &&
+            extendsClause.superclass.name.name == 'ErrorCode') {
+          String className = declaration.name.name;
+          for (ClassMember member in declaration.members) {
+            if (member is FieldDeclaration &&
+                member.isStatic &&
+                (member.fields.type == null ? bad() : true) &&
+                member.fields.type.toSource() == className) {
+              String fieldName = member.fields.variables[0].name.name;
+              declaredCodes.add(className + '.' + fieldName);
+            }
+          }
+        }
+      }
+    }
+    return declaredCodes;
+  }
+
+  List<String> getListedCodes() {
+    List<String> listedCodes = <String>[];
+    CompilationUnit listingUnit = parseFile(['lib', 'error', 'error.dart']);
+    TopLevelVariableDeclaration declaration = listingUnit.declarations
+        .firstWhere(
+            (member) =>
+                member is TopLevelVariableDeclaration &&
+                member.variables.variables[0].name.name == 'errorCodeValues',
+            orElse: () => null);
+    ListLiteral listLiteral = declaration.variables.variables[0].initializer;
+    for (PrefixedIdentifier element in listLiteral.elements) {
+      listedCodes.add(element.name);
+    }
+    return listedCodes;
+  }
+
+  CompilationUnit parseFile(List<String> relativeComponents) {
+    List<String> pathComponents = rootComponents.toList()
+      ..addAll(relativeComponents);
+    String filePath = path.normalize(path.joinAll(pathComponents));
+    return parseCompilationUnit(new File(filePath).readAsStringSync());
+  }
+
+  test_errorCodeValues() {
+    List<String> listedCodes = getListedCodes();
+    List<String> missingCodes = <String>[];
+    List<List<String>> declaringPaths = [
+      ['lib', 'src', 'analysis_options', 'error', 'option_codes.dart'],
+      ['lib', 'src', 'dart', 'error', 'hint_codes.dart'],
+      ['lib', 'src', 'dart', 'error', 'lint_codes.dart'],
+      ['lib', 'src', 'dart', 'error', 'todo_codes.dart'],
+      ['lib', 'src', 'html', 'error', 'html_codes.dart'],
+      ['lib', 'src', 'dart', 'error', 'syntactic_errors.dart'],
+      ['lib', 'src', 'error', 'codes.dart'],
+      ['..', 'front_end', 'lib', 'src', 'scanner', 'errors.dart']
+    ];
+    for (List<String> path in declaringPaths) {
+      for (String declaredCode in getDeclaredCodes(path)) {
+        if (!listedCodes.contains(declaredCode)) {
+          missingCodes.add(declaredCode);
+        }
+      }
+    }
+    expect(missingCodes, isEmpty);
+  }
+}