Compute export namespaces for DILL libraries.

pkg/front_end/test/incremental_kernel_generator_test.dart

Index: pkg/front_end/test/incremental_kernel_generator_test.dart
diff --git a/pkg/front_end/test/incremental_kernel_generator_test.dart b/pkg/front_end/test/incremental_kernel_generator_test.dart
index ca97c3ebdeb03c8624b757499ad939668f736a58..f2ba0fe646501d040d6c8100e086c68cba382015 100644
--- a/pkg/front_end/test/incremental_kernel_generator_test.dart
+++ b/pkg/front_end/test/incremental_kernel_generator_test.dart
@@ -120,6 +120,58 @@ static field core::double c2 = b::b;
     }
   }
 
+  test_compile_export() async {
+    writeFile('/test/.packages', 'test:lib/');
+    String aPath = '/test/lib/a.dart';
+    String bPath = '/test/lib/b.dart';
+    String cPath = '/test/lib/c.dart';
+    writeFile(aPath, 'class A {}');
+    writeFile(bPath, 'export "a.dart";');
+    Uri cUri = writeFile(
+        cPath,
+        r'''
+import 'b.dart';
+A a;
+''');
+
+    Program program = await getInitialState(cUri);
+    Library library = _getLibrary(program, cUri);
+    expect(
+        _getLibraryText(library),
+        r'''
+library;
+import self as self;
+import "./a.dart" as a;
+
+static field a::A a;
+''');
+  }
+
+  test_compile_typedef() async {
+    writeFile('/test/.packages', 'test:lib/');
+    String aPath = '/test/lib/a.dart';
+    String bPath = '/test/lib/b.dart';
+    writeFile(aPath, 'typedef int F<T>(T x);');
+    Uri bUri = writeFile(
+        bPath,
+        r'''
+import 'a.dart';
+F<String> f;
+''');
+
+    Program program = await getInitialState(bUri);
+    Library library = _getLibrary(program, bUri);
+    expect(
+        _getLibraryText(library),
+        r'''
+library;
+import self as self;
+import "dart:core" as core;
+
+static field (core::String) → core::int f;
+''');
+  }
+
   test_updateEntryPoint() async {
     writeFile('/test/.packages', 'test:lib/');
     String path = '/test/lib/test.dart';
@@ -184,31 +236,6 @@ static method main() → dynamic {
     }
   }
 
-  test_compile_typedef() async {
-    writeFile('/test/.packages', 'test:lib/');
-    String aPath = '/test/lib/a.dart';
-    String bPath = '/test/lib/b.dart';
-    writeFile(aPath, 'typedef int F<T>(T x);');
-    Uri bUri = writeFile(
-        bPath,
-        r'''
-import 'a.dart';
-F<String> f;
-''');
-
-    Program program = await getInitialState(bUri);
-    Library library = _getLibrary(program, bUri);
-    expect(
-        _getLibraryText(library),
-        r'''
-library;
-import self as self;
-import "dart:core" as core;
-
-static field (core::String) → core::int f;
-''');
-  }
-
   test_updatePart() async {
     writeFile('/test/.packages', 'test:lib/');
     String libPath = '/test/lib/test.dart';