Create a prelinker for summaries.

pkg/analyzer/test/src/summary/prelink_test.dart

Index: pkg/analyzer/test/src/summary/prelink_test.dart
diff --git a/pkg/analyzer/test/src/summary/prelink_test.dart b/pkg/analyzer/test/src/summary/prelink_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..4cac51b99d9a4982bd0816a63a0a174ee75f430e
--- /dev/null
+++ b/pkg/analyzer/test/src/summary/prelink_test.dart
@@ -0,0 +1,195 @@
+// Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file

[Brian Wilkerson, 2016/01/10 16:45:26]

2016

[Paul Berry, 2016/01/10 22:15:17]

Done.

+// 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 'package:analyzer/src/summary/format.dart';
+import 'package:analyzer/src/summary/prelink.dart';
+import 'package:unittest/unittest.dart';
+
+import '../../reflective_tests.dart';
+
+main() {
+  groupSep = ' | ';
+  runReflectiveTests(NameFilterTest);
+}
+
+class MockUnlinkedCombinator implements UnlinkedCombinator {
+  @override
+  final List<String> hides;
+
+  @override
+  final List<String> shows;
+
+  MockUnlinkedCombinator(
+      {this.hides: const <String>[], this.shows: const <String>[]});
+
+  @override
+  Map<String, Object> toMap() {
+    fail('toMap() called unexpectedly');
+    return null;
+  }
+}
+
+@reflectiveTest
+class NameFilterTest {
+  test_forCombinator_hide() {
+    NameFilter filter = new NameFilter.forCombinator(
+        new MockUnlinkedCombinator(hides: ['foo', 'bar']));
+    expect(filter.accepts('foo'), isFalse);
+    expect(filter.accepts('bar'), isFalse);
+    expect(filter.accepts('baz'), isTrue);
+    expect(filter.shownNames, isNull);
+    expect(filter.hiddenNames, isNotNull);
+    expect(filter.hiddenNames, ['foo', 'bar'].toSet());
+  }
+
+  test_forCombinator_show() {
+    NameFilter filter = new NameFilter.forCombinator(
+        new MockUnlinkedCombinator(shows: ['foo', 'bar']));
+    expect(filter.accepts('foo'), isTrue);
+    expect(filter.accepts('bar'), isTrue);
+    expect(filter.accepts('baz'), isFalse);
+    expect(filter.hiddenNames, isNull);
+    expect(filter.shownNames, isNotNull);
+    expect(filter.shownNames, ['foo', 'bar'].toSet());
+  }
+
+  test_forCombinators() {
+    NameFilter filter = new NameFilter.forCombinators([
+      new MockUnlinkedCombinator(hides: ['foo']),
+      new MockUnlinkedCombinator(hides: ['bar'])
+    ]);
+    expect(filter.accepts('foo'), isFalse);
+    expect(filter.accepts('bar'), isFalse);
+    expect(filter.accepts('baz'), isTrue);
+    expect(filter.shownNames, isNull);
+    expect(filter.hiddenNames, isNotNull);
+    expect(filter.hiddenNames, ['foo', 'bar'].toSet());
+  }
+
+  test_identity() {
+    expect(NameFilter.identity.accepts('foo'), isTrue);
+    expect(NameFilter.identity.hiddenNames, isNotNull);
+    expect(NameFilter.identity.hiddenNames, isEmpty);
+    expect(NameFilter.identity.shownNames, isNull);
+  }
+
+  test_merge_hides_hides() {
+    NameFilter filter =
+        new NameFilter.forCombinator(new MockUnlinkedCombinator(hides: ['foo']))
+            .merge(new NameFilter.forCombinator(
+                new MockUnlinkedCombinator(hides: ['bar'])));
+    expect(filter.accepts('foo'), isFalse);
+    expect(filter.accepts('bar'), isFalse);
+    expect(filter.accepts('baz'), isTrue);
+    expect(filter.shownNames, isNull);
+    expect(filter.hiddenNames, isNotNull);
+    expect(filter.hiddenNames, ['foo', 'bar'].toSet());
+  }
+
+  test_merge_hides_identity() {
+    NameFilter filter = new NameFilter.forCombinator(
+            new MockUnlinkedCombinator(hides: ['foo', 'bar']))
+        .merge(NameFilter.identity);
+    expect(filter.accepts('foo'), isFalse);
+    expect(filter.accepts('bar'), isFalse);
+    expect(filter.accepts('baz'), isTrue);
+    expect(filter.shownNames, isNull);
+    expect(filter.hiddenNames, isNotNull);
+    expect(filter.hiddenNames, ['foo', 'bar'].toSet());
+  }
+
+  test_merge_hides_shows() {
+    NameFilter filter = new NameFilter.forCombinator(
+        new MockUnlinkedCombinator(hides: ['bar', 'baz'])).merge(
+        new NameFilter.forCombinator(
+            new MockUnlinkedCombinator(shows: ['foo', 'bar'])));
+    expect(filter.accepts('foo'), isTrue);
+    expect(filter.accepts('bar'), isFalse);
+    expect(filter.accepts('baz'), isFalse);
+    expect(filter.hiddenNames, isNull);
+    expect(filter.shownNames, isNotNull);
+    expect(filter.shownNames, ['foo'].toSet());
+  }
+
+  test_merge_identity_hides() {
+    NameFilter filter = NameFilter.identity.merge(new NameFilter.forCombinator(
+        new MockUnlinkedCombinator(hides: ['foo', 'bar'])));
+    expect(filter.accepts('foo'), isFalse);
+    expect(filter.accepts('bar'), isFalse);
+    expect(filter.accepts('baz'), isTrue);
+    expect(filter.shownNames, isNull);
+    expect(filter.hiddenNames, isNotNull);
+    expect(filter.hiddenNames, ['foo', 'bar'].toSet());
+  }
+
+  test_merge_identity_identity() {
+    NameFilter filter = NameFilter.identity.merge(NameFilter.identity);
+    expect(filter.accepts('foo'), isTrue);
+    expect(filter.hiddenNames, isNotNull);
+    expect(filter.hiddenNames, isEmpty);
+    expect(filter.shownNames, isNull);
+  }
+
+  test_merge_identity_shows() {
+    NameFilter filter = NameFilter.identity.merge(new NameFilter.forCombinator(
+        new MockUnlinkedCombinator(shows: ['foo', 'bar'])));
+    expect(filter.accepts('foo'), isTrue);
+    expect(filter.accepts('bar'), isTrue);
+    expect(filter.accepts('baz'), isFalse);
+    expect(filter.hiddenNames, isNull);
+    expect(filter.shownNames, isNotNull);
+    expect(filter.shownNames, ['foo', 'bar'].toSet());
+  }
+
+  test_merge_shows_hides() {
+    NameFilter filter = new NameFilter.forCombinator(
+        new MockUnlinkedCombinator(shows: ['foo', 'bar'])).merge(
+        new NameFilter.forCombinator(
+            new MockUnlinkedCombinator(hides: ['bar', 'baz'])));
+    expect(filter.accepts('foo'), isTrue);
+    expect(filter.accepts('bar'), isFalse);
+    expect(filter.accepts('baz'), isFalse);
+    expect(filter.hiddenNames, isNull);
+    expect(filter.shownNames, isNotNull);
+    expect(filter.shownNames, ['foo'].toSet());
+  }
+
+  test_merge_shows_identity() {
+    NameFilter filter = new NameFilter.forCombinator(
+            new MockUnlinkedCombinator(shows: ['foo', 'bar']))
+        .merge(NameFilter.identity);
+    expect(filter.accepts('foo'), isTrue);
+    expect(filter.accepts('bar'), isTrue);
+    expect(filter.accepts('baz'), isFalse);
+    expect(filter.hiddenNames, isNull);
+    expect(filter.shownNames, isNotNull);
+    expect(filter.shownNames, ['foo', 'bar'].toSet());
+  }
+
+  test_merge_shows_shows() {
+    NameFilter filter = new NameFilter.forCombinator(
+        new MockUnlinkedCombinator(shows: ['foo', 'bar'])).merge(
+        new NameFilter.forCombinator(
+            new MockUnlinkedCombinator(shows: ['bar', 'baz'])));
+    expect(filter.accepts('foo'), isFalse);
+    expect(filter.accepts('bar'), isTrue);
+    expect(filter.accepts('baz'), isFalse);
+    expect(filter.hiddenNames, isNull);
+    expect(filter.shownNames, isNotNull);
+    expect(filter.shownNames, ['bar'].toSet());
+  }
+
+  test_merge_shows_shows_emptyResult() {
+    NameFilter filter =
+        new NameFilter.forCombinator(new MockUnlinkedCombinator(shows: ['foo']))
+            .merge(new NameFilter.forCombinator(
+                new MockUnlinkedCombinator(shows: ['bar'])));
+    expect(filter.accepts('foo'), isFalse);
+    expect(filter.accepts('bar'), isFalse);
+    expect(filter.accepts('baz'), isFalse);
+    expect(filter.hiddenNames, isNull);
+    expect(filter.shownNames, isNotNull);
+    expect(filter.shownNames, isEmpty);
+  }
+}