fixes #219, able to compile multiple entry points

test/testing.dart

 // Copyright (c) 2015, 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 dev_compiler.src.testing;
 
-import 'dart:collection' show Queue;
+import 'dart:mirrors';
 import 'package:analyzer/file_system/file_system.dart';
 import 'package:analyzer/file_system/memory_file_system.dart';
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/engine.dart'
-    show AnalysisContext, AnalysisEngine;
+    show AnalysisContext, AnalysisEngine, AnalysisOptionsImpl;
 import 'package:analyzer/src/generated/error.dart';
+import 'package:cli_util/cli_util.dart' show getSdkDir;
 import 'package:logging/logging.dart';
+import 'package:path/path.dart' as path;
 import 'package:source_span/source_span.dart';
 import 'package:test/test.dart';
 
 import 'package:dev_compiler/strong_mode.dart';
+import 'package:dev_compiler/src/analysis_context.dart';
 
-import 'analysis_context.dart';
-import 'dependency_graph.dart' show runtimeFilesForServerMode;
-import 'info.dart';
-import 'options.dart';
-import 'utils.dart';
+import 'package:dev_compiler/src/server/dependency_graph.dart'
+    show runtimeFilesForServerMode;
+import 'package:dev_compiler/src/info.dart';
+import 'package:dev_compiler/src/options.dart';
+import 'package:dev_compiler/src/utils.dart';
+
+/// Shared analysis context used for compilation.
+final realSdkContext = createAnalysisContextWithSources(new StrongModeOptions(),
+    new SourceResolverOptions(dartSdkPath: getSdkDir().path))
+  ..analysisOptions = (new AnalysisOptionsImpl()..cacheSize = 512);
+
+final String testDirectory =
+    path.dirname((reflectClass(_TestUtils).owner as LibraryMirror).uri.path);
+
+class _TestUtils {}
 
 /// Run the checker on a program with files contents as indicated in
 /// [testFiles].
 ///
 /// This function makes several assumptions to make it easier to describe error
 /// expectations:
 ///
 ///   * a file named `/main.dart` exists in [testFiles].
 ///   * all expected failures are listed in the source code using comments
 ///   immediately in front of the AST node that should contain the error.
@@ skipping 20 matching lines @@
     nonnullableTypes: StrongModeOptions.NONNULLABLE_TYPES}) {
   expect(testFiles.containsKey('/main.dart'), isTrue,
       reason: '`/main.dart` is missing in testFiles');
 
   var provider = createTestResourceProvider(testFiles);
   var uriResolver = new TestUriResolver(provider);
   var context = AnalysisEngine.instance.createAnalysisContext();
   context.sourceFactory = createSourceFactory(new SourceResolverOptions(
       customUrlMappings: customUrlMappings,
       useMockSdk: sdkDir == null,
-      dartSdkPath: sdkDir,
-      entryPointFile: '/main.dart'), fileResolvers: [uriResolver]);
+      dartSdkPath: sdkDir), fileResolvers: [uriResolver]);
 
   var checker = new StrongChecker(context, new StrongModeOptions(
       relaxedCasts: relaxedCasts,
       inferDownwards: inferDownwards,
       inferFromOverrides: inferFromOverrides,
       inferTransitively: inferTransitively,
       nonnullableTypes: nonnullableTypes,
       hints: true));
 
   // Run the checker on /main.dart.
@@ skipping 10 matching lines @@
       var errorInfo = checker.computeErrors(unit.source);
       new _ExpectedErrorVisitor(errorInfo.errors).validate(unit.unit);
     }
   }
 }
 
 /// Creates a [MemoryResourceProvider] with test data
 MemoryResourceProvider createTestResourceProvider(
     Map<String, String> testFiles) {
   var provider = new MemoryResourceProvider();
-  runtimeFilesForServerMode().forEach((filepath) {
+  runtimeFilesForServerMode.forEach((filepath) {
     testFiles['/dev_compiler_runtime/$filepath'] =
         '/* test contents of $filepath */';
   });
   testFiles.forEach((key, value) {
     var scheme = 'package:';
     if (key.startsWith(scheme)) {
       key = '/packages/${key.substring(scheme.length)}';
     }
     provider.newFile(key, value);
   });
@@ skipping 135 matching lines @@
     expect(tokens[1], "should", reason: 'invalid error descriptor');
     expect(tokens[2], "be", reason: 'invalid error descriptor');
     if (tokens[0] == "pass") return null;
     // TODO(leafp) For now, we just use whatever the current expectation is,
     // eventually we could do more automated reporting here.
     return _parse(tokens[0]);
   }
 
   String toString() => '$level $typeName';
 }