Elements. Migrate ConstantVisitorTest.

Change-Id: I629d05cbbd19c6cfb44bcc65741ae6853c990691
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/406400
Commit-Queue: Konstantin Shcheglov <[email protected]>
Reviewed-by: Phil Quitslund <[email protected]>

Author: scheglov

pkg/analyzer/test/src/dart/constant/evaluation_test.dart

@@ -2,8 +2,6 @@
 // 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.
 
-// ignore_for_file: analyzer_use_new_elements
-
 import 'package:analyzer/dart/analysis/declared_variables.dart';
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/constant/value.dart';
@@ -3515,14 +3513,14 @@ const v2 = -v1;
 
   void _assertHasPrimitiveEqualityFalse(String name) {
     var value = _evaluateConstant(name);
-    var featureSet = result.libraryElement.featureSet;
+    var featureSet = result.libraryElement2.featureSet;
     var has = value.hasPrimitiveEquality(featureSet);
     expect(has, isFalse);
   }
 
   void _assertHasPrimitiveEqualityTrue(String name) {
     var value = _evaluateConstant(name);
-    var featureSet = result.libraryElement.featureSet;
+    var featureSet = result.libraryElement2.featureSet;
     var has = value.hasPrimitiveEquality(featureSet);
     expect(has, isTrue);
   }
@@ -4894,15 +4892,15 @@ class ConstantVisitorTestSupport extends PubPackageResolutionTest {
     Map<String, DartObjectImpl>? lexicalEnvironment,
   }) {
     var unit = this.result.unit;
-    var source = unit.declaredElement!.source;
+    var source = unit.declaredFragment!.source;
     var errorListener = GatheringErrorListener();
     var errorReporter = ErrorReporter(errorListener, source);
     var constantVisitor = ConstantVisitor(
       ConstantEvaluationEngine(
         declaredVariables: DeclaredVariables.fromMap(declaredVariables),
         configuration: ConstantEvaluationConfiguration(),
       ),
-      this.result.libraryElement as LibraryElementImpl,
+      this.result.libraryElement2 as LibraryElementImpl,
       errorReporter,
       lexicalEnvironment: lexicalEnvironment,
     );
@@ -4932,18 +4930,21 @@ class ConstantVisitorTestSupport extends PubPackageResolutionTest {
   }
 
   DartObjectImpl? _field(String variableName) {
-    var element = findElement.field(variableName) as ConstVariableElement;
-    return _evaluationResult(element);
+    var element = findElement2.field(variableName);
+    var constFragment = element.firstFragment as ConstVariableElement;
+    return _evaluationResult(constFragment);
   }
 
   DartObjectImpl? _localVar(String variableName) {
-    var element = findElement.localVar(variableName) as ConstVariableElement;
-    return _evaluationResult(element);
+    var element = findElement2.localVar(variableName);
+    var constFragment = element.firstFragment as ConstVariableElement;
+    return _evaluationResult(constFragment);
   }
 
   DartObjectImpl? _topLevelVar(String variableName) {
-    var element = findElement.topVar(variableName) as ConstVariableElement;
-    return _evaluationResult(element);
+    var element = findElement2.topVar(variableName);
+    var constFragment = element.firstFragment as ConstVariableElement;
+    return _evaluationResult(constFragment);
   }
 }
 

pkg/analyzer/test/src/dart/resolution/resolution.dart

@@ -107,13 +107,7 @@ mixin ResolutionTest implements ResourceProviderMixin {
     newFile(testFile.path, content);
   }
 
-  void assertDartObjectText(
-    DartObject? object,
-    String expected, {
-    LibraryElement? libraryElement,
-  }) {
-    libraryElement ??= result.libraryElement;
-
+  void assertDartObjectText(DartObject? object, String expected) {
     var buffer = StringBuffer();
     var sink = TreeStringSink(
       sink: buffer,