Add output_type_test

tests/compiler/dart2js/output_type_test.dart

Index: tests/compiler/dart2js/output_type_test.dart
diff --git a/tests/compiler/dart2js/output_type_test.dart b/tests/compiler/dart2js/output_type_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..d65f0d621a21cfb749e8003b7edb244c5bc93f38
--- /dev/null
+++ b/tests/compiler/dart2js/output_type_test.dart
@@ -0,0 +1,107 @@
+// 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.
+
+/// Test that the expected output targets are generated for various compiler
+/// options.
+
+import 'dart:async';
+import 'dart:io';
+
+import 'package:async_helper/async_helper.dart';
+import 'package:compiler/compiler_new.dart';
+import 'package:compiler/src/dart2js.dart';
+import 'package:compiler/src/null_compiler_output.dart';
+import 'package:compiler/src/options.dart';
+import 'package:compiler/src/source_file_provider.dart';
+import 'package:compiler/src/util/uri_extras.dart';
+import 'package:compiler/src/inferrer/debug.dart' show PRINT_GRAPH;
+import 'package:compiler/src/tracer.dart' show TRACE_FILTER_PATTERN_FOR_TEST;
+import 'package:expect/expect.dart';
+
+class TestRandomAccessFileOutputProvider implements CompilerOutput {
+  final RandomAccessFileOutputProvider provider;
+  List<String> outputs = <String>[];
+
+  TestRandomAccessFileOutputProvider(this.provider);
+
+  @override
+  EventSink<String> createEventSink(String name, String extension) {
+    outputs.add(relativize(
+        provider.out, provider.createUri(name, extension), Platform.isWindows));
+    return NullSink.outputProvider(name, extension);
+  }
+}
+
+CompileFunc oldCompileFunc;
+
+Future<Null> test(List<String> arguments, List<String> expectedOutput,
+    {List<String> groupOutputs: const <String>[]}) async {
+  List<String> options = new List<String>.from(arguments)
+    ..add("--library-root=${Platform.script.resolve('../../../sdk/')}");
+  print('--------------------------------------------------------------------');
+  print('dart2js ${options.join(' ')}');
+  TestRandomAccessFileOutputProvider outputProvider;
+  compileFunc = (CompilerOptions compilerOptions,
+      CompilerInput compilerInput,
+      CompilerDiagnostics compilerDiagnostics,
+      CompilerOutput compilerOutput) async {
+    return oldCompileFunc(
+        compilerOptions,
+        compilerInput,
+        compilerDiagnostics,
+        outputProvider =
+            new TestRandomAccessFileOutputProvider(compilerOutput));
+  };
+  await internalMain(options);
+  List<String> outputs = outputProvider.outputs;
+  for (String outputGroup in groupOutputs) {
+    int countBefore = outputs.length;
+    outputs = outputs
+        .where((String output) => !output.endsWith(outputGroup))
+        .toList();
+    Expect.notEquals(0, countBefore - outputs.length,
+        'Expected output group ${outputGroup}');
+  }
+  Expect.setEquals(expectedOutput, outputs);
+}
+
+main() {
+  oldCompileFunc = compileFunc;
+  asyncTest(() async {
+    PRINT_GRAPH = true;
+    TRACE_FILTER_PATTERN_FOR_TEST = 'x';
+    await test([
+      'tests/compiler/dart2js/data/deferred_helper.dart',
+      '--out=custom.js',
+      '--deferred-map=def/deferred.json',
+      '--dump-info',
+    ], [
+      'custom.js', 'custom.js.map',
+      'custom.js_1.part.js', 'custom.js_1.part.js.map',
+      'def/deferred.json', // From --deferred-map
+      'custom.js.info.json', // From --dump-info
+      'dart.cfg', // From TRACE_FILTER_PATTERN_FOR_TEST
+    ], groupOutputs: [
+      '.dot', // From PRINT_GRAPH
+    ]);
+    PRINT_GRAPH = false;
+    TRACE_FILTER_PATTERN_FOR_TEST = null;
+    await test([
+      'tests/compiler/dart2js/data/deferred_helper.dart',
+      '--csp',
+    ], [
+      'out.js',
+      'out.js.map',
+      'out.js_1.part.js',
+      'out.js_1.part.js.map',
+    ]);
+    await test([
+      'tests/compiler/dart2js/data/deferred_helper.dart',
+      '--out=custom.data',
+      '--resolve-only',
+    ], [
+      'custom.data',
+    ]);
+  });
+}