Add lineLength parameter to edit.format request (issue 23519)

pkg/analysis_server/test/edit/format_test.dart

 // Copyright (c) 2015, 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 test.edit.format;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/edit/edit_domain.dart';
 import 'package:analysis_server/src/protocol.dart';
@@ skipping 13 matching lines @@
 class FormatTest extends AbstractAnalysisTest {
   @override
   void setUp() {
     super.setUp();
     createProject();
     ExtensionManager manager = new ExtensionManager();
     manager.processPlugins([server.serverPlugin]);
     handler = new EditDomainHandler(server);
   }
 
-  Future test_formatNoOp() {
+  Future test_format_noOp() {
     // Already formatted source
     addTestFile('''
 main() {
   int x = 3;
 }
 ''');
     return waitForTasksFinished().then((_) {
       EditFormatResult formatResult = _formatAt(0, 3);
       expect(formatResult.edits, isNotNull);
       expect(formatResult.edits, hasLength(0));
     });
   }
 
-  Future test_formatNoSelection() async {
+  Future test_format_noSelection() async {
     addTestFile('''
 main() { int x = 3; }
 ''');
     await waitForTasksFinished();
     EditFormatResult formatResult = _formatAt(0, 0);
 
     expect(formatResult.edits, isNotNull);
     expect(formatResult.edits, hasLength(1));
 
     SourceEdit edit = formatResult.edits[0];
     expect(edit.replacement, equals('''
 main() {
   int x = 3;
 }
 '''));
     expect(formatResult.selectionOffset, equals(0));
     expect(formatResult.selectionLength, equals(0));
   }
 
-  Future test_formatSimple() {
+  Future test_format_simple() {
     addTestFile('''
 main() { int x = 3; }
 ''');
     return waitForTasksFinished().then((_) {
       EditFormatResult formatResult = _formatAt(0, 3);
 
       expect(formatResult.edits, isNotNull);
       expect(formatResult.edits, hasLength(1));
 
       SourceEdit edit = formatResult.edits[0];
       expect(edit.replacement, equals('''
 main() {
   int x = 3;
 }
 '''));
       expect(formatResult.selectionOffset, equals(0));
       expect(formatResult.selectionLength, equals(3));
     });
   }
 
-  Future test_withErrors() {
+  Future test_format_longLine() {
+    String content = '''
+fun(firstParam, secondParam, thirdParam, fourthParam) {
+  if (firstParam.noNull && secondParam.noNull && thirdParam.noNull && fourthParam.noNull) {}
+}
+''';
+    addTestFile(content);
+    return waitForTasksFinished().then((_) {
+      EditFormatResult formatResult = _formatAt(0, 3, lineLength: 100);
+
+      expect(formatResult.edits, isNotNull);
+      expect(formatResult.edits, hasLength(0));
+
+      expect(formatResult.selectionOffset, equals(0));
+      expect(formatResult.selectionLength, equals(3));
+    });
+  }
+
+  Future test_format_withErrors() {
     addTestFile('''
 main() { int x = 
 ''');
     return waitForTasksFinished().then((_) {
       Request request = new EditFormatParams(testFile, 0, 3).toRequest('0');
       Response response = handler.handleRequest(request);
       expect(response, isResponseFailure('0'));
     });
   }
 
-  EditFormatResult _formatAt(int selectionOffset, int selectionLength) {
+  EditFormatResult _formatAt(int selectionOffset, int selectionLength, {int lineLength}) {
     Request request = new EditFormatParams(
-        testFile, selectionOffset, selectionLength).toRequest('0');
+        testFile, selectionOffset, selectionLength, lineLength: lineLength).toRequest('0');
     Response response = handleSuccessfulRequest(request);
     return new EditFormatResult.fromResponse(response);
   }
 }