Serialize static constant field references.

pkg/analyzer/test/src/summary/summary_common.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 analyzer.test.src.summary.summary_common;
 
 import 'package:analyzer/analyzer.dart';
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/src/generated/engine.dart';
@@ skipping 1994 matching lines @@
 const v = C;
 ''');
     _assertUnlinkedConst(variable.constExpr, operators: [
       UnlinkedConstOperation.pushReference
     ], referenceValidators: [
       (EntityRef r) => checkTypeRef(r, null, null, 'C',
           expectedKind: ReferenceKind.classOrEnum)
     ]);
   }
 
-  test_constExpr_pushReference_class_field() {
-    // TODO(scheglov) Not sure for to represent a field reference
-    // using TypeRef.
-//    UnlinkedVariable variable = serializeVariableText('''
-//class C {
-//  static const int F = 1;
-//}
-//const v = C.F;
-//''');
-//    _assertUnlinkedConst(variable.constExpr, operators: [
-//      UnlinkedConstOperation.pushReference
-//    ], references: [
-//      (TypeRef r) => checkTypeRef(r, null, null, 'F',
-//          expectedKind: ReferenceKind.classOrEnum, expectedPrefix: 'C')
-//    ]);
-  }
-
   test_constExpr_pushReference_enum() {
     UnlinkedVariable variable = serializeVariableText('''
 enum C {V1, V2, V3}
 const v = C;
 ''');
     _assertUnlinkedConst(variable.constExpr, operators: [
       UnlinkedConstOperation.pushReference
     ], referenceValidators: [
       (EntityRef r) => checkTypeRef(r, null, null, 'C',
           expectedKind: ReferenceKind.classOrEnum)
     ]);
   }
 
+  test_constExpr_pushReference_field() {
+    UnlinkedVariable variable = serializeVariableText('''
+class C {
+  static const int F = 1;
+}
+const v = C.F;
+''');
+    _assertUnlinkedConst(variable.constExpr, operators: [
+      UnlinkedConstOperation.pushReference
+    ], referenceValidators: [
+      (EntityRef r) => checkTypeRef(r, null, null, 'F',
+              expectedKind: ReferenceKind.constField,
+              prefixExpectations: [
+                new _PrefixExpectation(ReferenceKind.classOrEnum, 'C')
+              ])
+    ]);
+  }
+
+  test_constExpr_pushReference_field_imported() {
+    addNamedSource(
+        '/a.dart',
+        '''
+class C {
+  static const int F = 1;
+}
+''');
+    UnlinkedVariable variable = serializeVariableText('''
+import 'a.dart';
+const v = C.F;
+''');
+    _assertUnlinkedConst(variable.constExpr, operators: [
+      UnlinkedConstOperation.pushReference
+    ], referenceValidators: [
+      (EntityRef r) => checkTypeRef(r, absUri('/a.dart'), 'a.dart', 'F',
+              expectedKind: ReferenceKind.constField,
+              prefixExpectations: [
+                new _PrefixExpectation(ReferenceKind.classOrEnum, 'C')
+              ])
+    ]);
+  }
+
+  test_constExpr_pushReference_field_imported_withPrefix() {
+    addNamedSource(
+        '/a.dart',
+        '''
+class C {
+  static const int F = 1;
+}
+''');
+    UnlinkedVariable variable = serializeVariableText('''
+import 'a.dart' as p;
+const v = p.C.F;
+''');
+    _assertUnlinkedConst(variable.constExpr, operators: [
+      UnlinkedConstOperation.pushReference
+    ], referenceValidators: [
+      (EntityRef r) => checkTypeRef(r, absUri('/a.dart'), 'a.dart', 'F',
+              expectedKind: ReferenceKind.constField,
+              prefixExpectations: [
+                new _PrefixExpectation(ReferenceKind.classOrEnum, 'C'),
+                new _PrefixExpectation(ReferenceKind.prefix, 'p',
+                    inLibraryDefiningUnit: true),
+              ])
+    ]);
+  }
+
+  test_constExpr_pushReference_topLevelVariable() {
+    UnlinkedVariable variable = serializeVariableText('''
+const int a = 1;
+const v = a;
+''');
+    _assertUnlinkedConst(variable.constExpr, operators: [
+      UnlinkedConstOperation.pushReference
+    ], referenceValidators: [
+      (EntityRef r) => checkTypeRef(r, null, null, 'a',
+          expectedKind: ReferenceKind.topLevelPropertyAccessor)
+    ]);
+  }
+
   test_constExpr_pushReference_topLevelVariable_imported() {
     addNamedSource('/a.dart', 'const int a = 1;');
     UnlinkedVariable variable = serializeVariableText('''
 import 'a.dart';
 const v = a;
 ''');
     _assertUnlinkedConst(variable.constExpr, operators: [
       UnlinkedConstOperation.pushReference
     ], referenceValidators: [
       (EntityRef r) => checkTypeRef(r, absUri('/a.dart'), 'a.dart', 'a',
@@ skipping 11 matching lines @@
       UnlinkedConstOperation.pushReference
     ], referenceValidators: [
       (EntityRef r) {
         return checkTypeRef(r, absUri('/a.dart'), 'a.dart', 'a',
             expectedKind: ReferenceKind.topLevelPropertyAccessor,
             expectedPrefix: 'p');
       }
     ]);
   }
 
-  test_constExpr_pushReference_topLevelVariable_local() {
-    // TODO(scheglov) use `a + b`
-    UnlinkedVariable variable = serializeVariableText('''
-const int a = 1;
-const v = a;
-''');
-    _assertUnlinkedConst(variable.constExpr, operators: [
-      UnlinkedConstOperation.pushReference
-    ], referenceValidators: [
-      (EntityRef r) => checkTypeRef(r, null, null, 'a',
-          expectedKind: ReferenceKind.topLevelPropertyAccessor)
-    ]);
-  }
-
   test_constExpr_pushString_adjacent() {
     UnlinkedVariable variable =
         serializeVariableText('const v = "aaa" "b" "ccc";');
     _assertUnlinkedConst(variable.constExpr,
         operators: [UnlinkedConstOperation.pushString], strings: ['aaabccc']);
   }
 
   test_constExpr_pushString_adjacent_interpolation() {
     UnlinkedVariable variable =
         serializeVariableText(r'const v = "aaa" "bb ${42} bbb" "cccc";');
@@ skipping 2603 matching lines @@
  */
 class _PrefixExpectation {
   final ReferenceKind kind;
   final String name;
   final bool inLibraryDefiningUnit;
   final int numTypeParameters;
 
   _PrefixExpectation(this.kind, this.name,
       {this.inLibraryDefiningUnit: false, this.numTypeParameters: 0});
 }