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https://github.com/dart-lang/sdk
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[frontend_server] Add test for in-body change
This adds a DDC frontend server test that shows DDC doesn't currently support advanced invalidation. Change-Id: Ie6176bc4fa9d91262c0a6e0a30a1fccee96023be Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/252424 Commit-Queue: Johnni Winther <johnniwinther@google.com> Reviewed-by: Nicholas Shahan <nshahan@google.com>
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Johnni Winther
Commit Bot
parent
abd6e8eba7
commit
85fea8ff86
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@ -2351,6 +2351,252 @@ void main(List<String> arguments, SendPort sendPort) {
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expect(count, 1);
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});
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// This test exercises what happens when a change occurs with a single
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// module of a multi-module compilation.
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test('recompile to JavaScript with in-body change', () async {
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// Five libraries, a to e, in two modules, {a, b} and {c, d, e}:
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// (a <-> b) -> (c <-> d <-> e)
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// In body changes are performed on d and e. With advanced invalidation,
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// not currently enabled, only the module {c, d, e} will be recompiled.
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File('${tempDir.path}/a.dart')
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..createSync()
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..writeAsStringSync("""
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import 'b.dart';
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main() {
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b();
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}
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a() => "<<a>>";
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""");
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File('${tempDir.path}/b.dart')
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..createSync()
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..writeAsStringSync("""
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import 'a.dart';
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import 'c.dart';
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b() {
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a();
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"<<b>>";
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c();
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}
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""");
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File('${tempDir.path}/c.dart')
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..createSync()
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..writeAsStringSync("""
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import 'd.dart';
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c() {
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"<<c>>";
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d();
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}
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""");
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var fileD = File('${tempDir.path}/d.dart')
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..createSync()
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..writeAsStringSync("""
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import 'e.dart';
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d() {
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"<<d>>";
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e();
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}
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""");
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var fileE = File('${tempDir.path}/e.dart')
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..createSync()
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..writeAsStringSync("""
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import 'c.dart';
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e() {
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c();
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"<<e>>";
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}
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""");
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var packageConfig = File('${tempDir.path}/.dart_tool/package_config.json')
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..createSync(recursive: true)
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..writeAsStringSync('''
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{
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"configVersion": 2,
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"packages": [
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{
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"name": "a",
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"rootUri": "../",
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"packageUri": "./"
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}
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]
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}
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''');
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var entryPoint = 'package:a/a.dart';
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var dillFile = File('${tempDir.path}/app.dill');
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var sourceFile = File('${dillFile.path}.sources');
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var manifestFile = File('${dillFile.path}.json');
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var sourceMapsFile = File('${dillFile.path}.map');
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var metadataFile = File('${dillFile.path}.metadata');
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var symbolsFile = File('${dillFile.path}.symbols');
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expect(dillFile.existsSync(), false);
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expect(sourceFile.existsSync(), false);
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expect(manifestFile.existsSync(), false);
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expect(sourceMapsFile.existsSync(), false);
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expect(metadataFile.existsSync(), false);
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expect(symbolsFile.existsSync(), false);
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final List<String> args = <String>[
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'--sdk-root=${sdkRoot.toFilePath()}',
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'--incremental',
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'--platform=${ddcPlatformKernel.path}',
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'--output-dill=${dillFile.path}',
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'--target=dartdevc',
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'--packages=${packageConfig.path}',
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// TODO(johnniwinther): Enable this.
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//'--enable-experiment=alternative-invalidation-strategy',
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'--emit-debug-symbols',
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];
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final StreamController<List<int>> streamController =
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StreamController<List<int>>();
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final StreamController<List<int>> stdoutStreamController =
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StreamController<List<int>>();
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final IOSink ioSink = IOSink(stdoutStreamController.sink);
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StreamController<Result> receivedResults = StreamController<Result>();
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final outputParser = OutputParser(receivedResults);
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stdoutStreamController.stream
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.transform(utf8.decoder)
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.transform(const LineSplitter())
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.listen(outputParser.listener);
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Future<int> result =
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starter(args, input: streamController.stream, output: ioSink);
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streamController.add('compile $entryPoint\n'.codeUnits);
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int count = 0;
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receivedResults.stream.listen((Result compiledResult) {
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switch (count) {
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case 0:
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CompilationResult result =
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CompilationResult.parse(compiledResult.status);
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expect(result.errorsCount, equals(0));
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expect(result.filename, dillFile.path);
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expect(sourceFile.existsSync(), equals(true));
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var source = sourceFile.readAsStringSync();
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// Split on the comment at the end of each module.
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var jsModules =
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source.split(RegExp("\/\/# sourceMappingURL=.*\.map"));
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expect(jsModules[0], contains('<<a>>'));
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expect(jsModules[0], contains('<<b>>'));
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expect(jsModules[0], not(contains('<<c>>')));
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expect(jsModules[0], not(contains('<<d>>')));
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expect(jsModules[0], not(contains('<<e>>')));
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expect(jsModules[1], not(contains('<<a>>')));
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expect(jsModules[1], not(contains('<<b>>')));
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expect(jsModules[1], contains('<<c>>'));
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expect(jsModules[1], contains('<<d>>'));
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expect(jsModules[1], contains('<<e>>'));
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streamController.add('accept\n'.codeUnits);
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fileD.writeAsStringSync("""
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import 'e.dart';
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d() {
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"<<d1>>";
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"<<d2>>";
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e();
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}
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""");
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// Trigger a recompile that invalidates 'd.dart'. The input uri
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// (a.dart) is passed explicitly.
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streamController.add('recompile ${entryPoint} abc\n'
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'${fileD.uri}\n'
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'abc\n'
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.codeUnits);
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break;
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case 1:
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CompilationResult result =
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CompilationResult.parse(compiledResult.status);
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expect(result.errorsCount, equals(0));
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expect(result.filename, '${dillFile.path}.incremental.dill');
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File incrementalSourceFile =
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File('${dillFile.path}.incremental.dill.sources');
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expect(incrementalSourceFile.existsSync(), equals(true));
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var source = incrementalSourceFile.readAsStringSync();
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// Split on the comment at the end of each module.
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var jsModules =
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source.split(RegExp("\/\/# sourceMappingURL=.*\.map"));
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expect(jsModules[0], contains('<<a>>'));
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expect(jsModules[0], contains('<<b>>'));
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expect(jsModules[0], not(contains('<<c>>')));
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expect(jsModules[0], not(contains('<<d>>')));
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expect(jsModules[0], not(contains('<<e>>')));
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expect(jsModules[1], not(contains('<<a>>')));
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expect(jsModules[1], not(contains('<<b>>')));
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expect(jsModules[1], contains('<<c>>'));
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expect(jsModules[1], not(contains('<<d>>')));
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expect(jsModules[1], contains('<<d1>>'));
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expect(jsModules[1], contains('<<d2>>'));
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expect(jsModules[1], contains('<<e>>'));
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streamController.add('accept\n'.codeUnits);
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fileE.writeAsStringSync("""
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import 'c.dart';
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e() {
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c();
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"<<e1>>";
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"<<e2>>";
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}
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""");
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// Trigger a recompile that invalidates 'd.dart'. The input uri
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// (a.dart) is omitted.
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streamController.add('recompile abc\n'
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'${fileE.uri}\n'
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'abc\n'
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.codeUnits);
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break;
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break;
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case 2:
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CompilationResult result =
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CompilationResult.parse(compiledResult.status);
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expect(result.errorsCount, equals(0));
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expect(result.filename, '${dillFile.path}.incremental.dill');
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File incrementalSourceFile =
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File('${dillFile.path}.incremental.dill.sources');
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expect(incrementalSourceFile.existsSync(), equals(true));
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var source = incrementalSourceFile.readAsStringSync();
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// Split on the comment at the end of each module.
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var jsModules =
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source.split(RegExp("\/\/# sourceMappingURL=.*\.map"));
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expect(jsModules[0], contains('<<a>>'));
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expect(jsModules[0], contains('<<b>>'));
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expect(jsModules[0], not(contains('<<c>>')));
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expect(jsModules[0], not(contains('<<d>>')));
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expect(jsModules[0], not(contains('<<e>>')));
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expect(jsModules[1], not(contains('<<a>>')));
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expect(jsModules[1], not(contains('<<b>>')));
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expect(jsModules[1], contains('<<c>>'));
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expect(jsModules[1], not(contains('<<d>>')));
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expect(jsModules[1], contains('<<d1>>'));
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expect(jsModules[1], contains('<<d2>>'));
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expect(jsModules[1], not(contains('<<e>>')));
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expect(jsModules[1], contains('<<e1>>'));
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expect(jsModules[1], contains('<<e2>>'));
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streamController.add('accept\n'.codeUnits);
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outputParser.expectSources = false;
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streamController.add('quit\n'.codeUnits);
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break;
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default:
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break;
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}
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count++;
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});
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expect(await result, 0);
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expect(count, 3);
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});
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test('compile to JavaScript all modules with unsound null safety',
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() async {
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var file = File('${tempDir.path}/foo.dart')..createSync();
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@ -3275,3 +3521,21 @@ class _MockedBinaryPrinterFactory extends Mock implements BinaryPrinterFactory {
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class _MockedCompiler extends Mock implements CompilerInterface {}
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class _MockedIncrementalCompiler extends Mock implements IncrementalCompiler {}
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/// Creates a matcher for the negation of [matcher].
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Matcher not(Matcher matcher) => NotMatcher(matcher);
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class NotMatcher extends Matcher {
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final Matcher matcher;
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const NotMatcher(this.matcher);
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@override
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Description describe(Description description) =>
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matcher.describe(description.add('not '));
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@override
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bool matches(item, Map matchState) {
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return !matcher.matches(item, matchState);
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}
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}
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