Store dependency libraries canonical names during limited store.

pkg/front_end/test/src/incremental/kernel_driver_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:async';
 
 import 'package:front_end/memory_file_system.dart';
 import 'package:front_end/src/base/performace_logger.dart';
 import 'package:front_end/src/fasta/kernel/utils.dart';
 import 'package:front_end/src/fasta/uri_translator_impl.dart';
@@ skipping 388 matching lines @@
     // Add the library into the program.
     program.libraries.add(loadedLibrary);
     loadedLibrary.parent = program;
     program.mainMethod = loadedLibrary.procedures
         .firstWhere((procedure) => procedure.name.name == 'main');
 
     expect(_getLibraryText(loadedLibrary), initialKernelText);
     verifyProgram(program);
   }
 
+  test_limitedStore_exportDependencies() async {
+    writeFile('/test/.packages', 'test:lib/');
+    String aPath = '/test/lib/a.dart';
+    String bPath = '/test/lib/b.dart';
+    String cPath = '/test/lib/c.dart';
+    Uri aUri = writeFile(aPath, 'class A {}');
+    var bUri = writeFile(bPath, 'export "a.dart";');
+    Uri cUri = writeFile(cPath, r'''
+import 'b.dart';
+A a;
+''');
+
+    // Compile all libraries initially.
+    await driver.getKernel(cUri);
+
+    // Update c.dart and compile.
+    // When we load "b", we should correctly read its exports.
+    writeFile(cPath, r'''
+import 'b.dart';
+A a2;
+''');
+    driver.invalidate(cUri);
+    {
+      KernelResult result = await driver.getKernel(cUri);
+      Library library = _getLibrary(result, cUri);
+
+      Library getDepLib(Library lib, int index) {
+        return lib.dependencies[index].importedLibraryReference.asLibrary;
+      }
+
+      var b = getDepLib(library, 0);
+      var a = getDepLib(b, 0);
+      expect(b.importUri, bUri);
+      expect(a.importUri, aUri);
+    }
+  }
+
   test_updatePackageSourceUsingFileUri() async {
     _createDriver(packages: {'test': _folderUri('/test/lib')});
 
     writeFile('/test/.packages', 'test:lib/');
     Uri aFileUri = writeFile('/test/bin/a.dart', r'''
 import 'package:test/b.dart';
 var a = b;
 ''');
     Uri bFileUri = writeFile('/test/lib/b.dart', 'var b = 1;');
     Uri bPackageUri = Uri.parse('package:test/b.dart');
@@ skipping 226 matching lines @@
         .writeLibraryFile(library);
     return buffer.toString();
   }
 
   /// Return the [Uri] for the given Posix [path].
   static Uri _folderUri(String path) {
     if (!path.endsWith('/')) path += '/';
     return Uri.parse('file://$path');
   }
 }