Split summary_test into multiple files.

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

+// Copyright (c) 2016, 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.prelinker_test;
+
+import 'package:analyzer/dart/element/element.dart';
+import 'package:analyzer/src/generated/source.dart';
+import 'package:analyzer/src/generated/source_io.dart';
+import 'package:analyzer/src/summary/format.dart';
+import 'package:analyzer/src/summary/prelink.dart';
+import 'package:unittest/unittest.dart';
+
+import '../../reflective_tests.dart';
+import 'summarize_elements_test.dart';
+import 'summary_common.dart';
+
+main() {
+  groupSep = ' | ';
+  runReflectiveTests(PrelinkerTest);
+}
+
+/**
+ * Override of [SummaryTest] which verifies the correctness of the prelinker by
+ * creating summaries from the element model, discarding their prelinked
+ * information, and then recreating it using the prelinker.
+ */
+@reflectiveTest
+class PrelinkerTest extends SummarizeElementsTest {
+  final Map<String, UnlinkedPublicNamespace> uriToPublicNamespace =
+      <String, UnlinkedPublicNamespace>{};
+
+  @override
+  bool get expectAbsoluteUrisInDependencies => false;
+
+  @override
+  bool get skipFullyLinkedData => true;
+
+  @override
+  Source addNamedSource(String filePath, String contents) {
+    Source source = super.addNamedSource(filePath, contents);
+    uriToPublicNamespace[absUri(filePath)] =
+        computePublicNamespaceFromText(contents, source);
+    return source;
+  }
+
+  String resolveToAbsoluteUri(LibraryElement library, String relativeUri) {
+    Source resolvedSource =
+        analysisContext.sourceFactory.resolveUri(library.source, relativeUri);
+    if (resolvedSource == null) {
+      fail('Failed to resolve relative uri "$relativeUri"');
+    }
+    return resolvedSource.uri.toString();
+  }
+
+  @override
+  void serializeLibraryElement(LibraryElement library) {
+    super.serializeLibraryElement(library);
+    Map<String, UnlinkedUnit> uriToUnit = <String, UnlinkedUnit>{};
+    expect(unlinkedUnits.length, unitUris.length);
+    for (int i = 1; i < unlinkedUnits.length; i++) {
+      uriToUnit[unitUris[i]] = unlinkedUnits[i];
+    }
+    UnlinkedUnit getPart(String relativeUri) {
+      String absoluteUri = resolveToAbsoluteUri(library, relativeUri);
+      UnlinkedUnit unit = uriToUnit[absoluteUri];
+      if (unit == null) {
+        fail('Prelinker unexpectedly requested unit for "$relativeUri"'
+            ' (resolves to "$absoluteUri").');
+      }
+      return unit;
+    }
+    UnlinkedPublicNamespace getImport(String relativeUri) {
+      String absoluteUri = resolveToAbsoluteUri(library, relativeUri);
+      UnlinkedPublicNamespace namespace = sdkPublicNamespace[absoluteUri];
+      if (namespace == null) {
+        namespace = uriToPublicNamespace[absoluteUri];
+      }
+      if (namespace == null && !allowMissingFiles) {
+        fail('Prelinker unexpectedly requested namespace for "$relativeUri"'
+            ' (resolves to "$absoluteUri").'
+            '  Namespaces available: ${uriToPublicNamespace.keys}');
+      }
+      return namespace;
+    }
+    linked = new LinkedLibrary.fromBuffer(
+        prelink(unlinkedUnits[0], getPart, getImport).toBuffer());
+  }
+}