FlatBuffers formats for storing unlinked units.

pkg/front_end/test/src/incremental/format_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:typed_data';
+
+import 'package:front_end/src/base/flat_buffers.dart' as fb;
+import 'package:front_end/src/incremental/format.dart';
+import 'package:test/test.dart';
+import 'package:test_reflective_loader/test_reflective_loader.dart';
+
+main() {
+  defineReflectiveSuite(() {
+    defineReflectiveTests(FormatTest);
+  });
+}
+
+@reflectiveTest
+class FormatTest {
+  void test_UnlinkedCombinator_hides() {
+    Uint8List bytes;
+    {
+      fb.Builder fbBuilder = new fb.Builder();
+      fb.Offset offset =
+          new UnlinkedCombinatorBuilder(hides: ['a', 'bb', 'ccc'])
+              .finish(fbBuilder);
+      bytes = fbBuilder.finish(offset);
+    }
+
+    var combinator = new UnlinkedCombinator(bytes);
+    expect(combinator.shows, isEmpty);
+    expect(combinator.hides, ['a', 'bb', 'ccc']);
+  }
+
+  void test_UnlinkedCombinator_shows() {
+    Uint8List bytes;
+    {
+      fb.Builder fbBuilder = new fb.Builder();
+      fb.Offset offset =
+          new UnlinkedCombinatorBuilder(shows: ['a', 'bb', 'ccc'])
+              .finish(fbBuilder);
+      bytes = fbBuilder.finish(offset);
+    }
+
+    var combinator = new UnlinkedCombinator(bytes);
+    expect(combinator.shows, ['a', 'bb', 'ccc']);
+    expect(combinator.hides, isEmpty);
+  }
+
+  void test_UnlinkedNamespaceDirective() {
+    Uint8List bytes;
+    {
+      fb.Builder fbBuilder = new fb.Builder();
+      fb.Offset offset = new UnlinkedNamespaceDirectiveBuilder(
+          uri: 'package:foo/foo.dart',
+          combinators: [
+            new UnlinkedCombinatorBuilder(shows: ['aaa']),
+            new UnlinkedCombinatorBuilder(hides: ['bbb', 'ccc'])
+          ]).finish(fbBuilder);
+      bytes = fbBuilder.finish(offset);
+    }
+
+    var directive = new UnlinkedNamespaceDirective(bytes);
+    expect(directive.uri, 'package:foo/foo.dart');
+    expect(directive.combinators, hasLength(2));
+    expect(directive.combinators[0].shows, ['aaa']);
+    expect(directive.combinators[0].hides, isEmpty);
+    expect(directive.combinators[1].shows, isEmpty);
+    expect(directive.combinators[1].hides, ['bbb', 'ccc']);
+  }
+
+  void test_UnlinkedUnit() {
+    Uint8List bytes;
+    {
+      fb.Builder fbBuilder = new fb.Builder();
+      fb.Offset offset = new UnlinkedUnitBuilder(apiSignature: [
+        0,
+        1,
+        2,
+        3,
+        4
+      ], imports: [
+        new UnlinkedNamespaceDirectiveBuilder(uri: 'a.dart')
+      ], exports: [
+        new UnlinkedNamespaceDirectiveBuilder(uri: 'b.dart')
+      ], parts: [
+        new UnlinkedNamespaceDirectiveBuilder(uri: 'p1.dart'),
+        new UnlinkedNamespaceDirectiveBuilder(uri: 'p2.dart'),
+      ]).finish(fbBuilder);
+      bytes = fbBuilder.finish(offset);
+    }
+
+    var directive = new UnlinkedUnit(bytes);
+    expect(directive.apiSignature, [0, 1, 2, 3, 4]);
+
+    expect(directive.imports, hasLength(1));
+    expect(directive.imports[0].uri, 'a.dart');
+
+    expect(directive.exports, hasLength(1));
+    expect(directive.exports[0].uri, 'b.dart');
+
+    expect(directive.parts, hasLength(2));
+    expect(directive.parts[0].uri, 'p1.dart');
+    expect(directive.parts[1].uri, 'p2.dart');
+  }
+}