Test summarizing of constants that refer to top level functions.

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 2441 matching lines @@
       (EntityRef r) => checkTypeRef(r, absUri('/a.dart'), 'a.dart', 'm',
               expectedKind: ReferenceKind.method,
               prefixExpectations: [
                 new _PrefixExpectation(ReferenceKind.classOrEnum, 'C'),
                 new _PrefixExpectation(ReferenceKind.prefix, 'p',
                     inLibraryDefiningUnit: true)
               ])
     ]);
   }
 
+  test_constExpr_pushReference_topLevelFunction() {
+    UnlinkedVariable variable = serializeVariableText('''
+f() {}
+const v = f;
+''');
+    _assertUnlinkedConst(variable.constExpr, operators: [
+      UnlinkedConstOperation.pushReference
+    ], referenceValidators: [
+      (EntityRef r) => checkTypeRef(r, null, null, 'f',
+          expectedKind: ReferenceKind.topLevelFunction)
+    ]);
+  }
+
+  test_constExpr_pushReference_topLevelFunction_imported() {
+    addNamedSource(
+        '/a.dart',
+        '''
+f() {}
+''');
+    UnlinkedVariable variable = serializeVariableText('''
+import 'a.dart';
+const v = f;
+''');
+    _assertUnlinkedConst(variable.constExpr, operators: [
+      UnlinkedConstOperation.pushReference
+    ], referenceValidators: [
+      (EntityRef r) => checkTypeRef(r, absUri('/a.dart'), 'a.dart', 'f',
+          expectedKind: ReferenceKind.topLevelFunction)
+    ]);
+  }
+
+  test_constExpr_pushReference_topLevelFunction_imported_withPrefix() {
+    addNamedSource(
+        '/a.dart',
+        '''
+f() {}
+''');
+    UnlinkedVariable variable = serializeVariableText('''
+import 'a.dart' as p;
+const v = p.f;
+''');
+    _assertUnlinkedConst(variable.constExpr, operators: [
+      UnlinkedConstOperation.pushReference
+    ], referenceValidators: [
+      (EntityRef r) => checkTypeRef(r, absUri('/a.dart'), 'a.dart', 'f',
+              expectedKind: ReferenceKind.topLevelFunction,
+              prefixExpectations: [
+                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)
@@ skipping 2789 matching lines @@
   final String absoluteUri;
   final String relativeUri;
   final int numTypeParameters;
 
   _PrefixExpectation(this.kind, this.name,
       {this.inLibraryDefiningUnit: false,
       this.absoluteUri,
       this.relativeUri,
       this.numTypeParameters: 0});
 }