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// Copyright (c) 2014, 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.
// @dart = 2.7
// Test that the additional runtime type support is output to the right
// Files when using deferred loading.
import 'package:async_helper/async_helper.dart';
import 'package:compiler/compiler_new.dart';
import 'package:compiler/src/compiler.dart';
import 'package:compiler/src/js_model/js_strategy.dart';
import 'package:expect/expect.dart';
import '../helpers/memory_compiler.dart';
import '../helpers/output_collector.dart';
void main() {
runTest() async {
OutputCollector collector = new OutputCollector();
CompilationResult result = await runCompiler(
memorySourceFiles: MEMORY_SOURCE_FILES, outputProvider: collector);
Compiler compiler = result.compiler;
String mainOutput = collector.getOutput('', OutputType.js);
String deferredOutput = collector.getOutput('out_1', OutputType.jsPart);
JsBackendStrategy backendStrategy = compiler.backendStrategy;
String isPrefix =
deferredOutput.contains('${isPrefix}A: 1'),
"Deferred output doesn't contain '${isPrefix}A: 1':\n"
Expect.isFalse(mainOutput.contains('${isPrefix}A: 1'));
asyncTest(() async {
print('--test from kernel------------------------------------------------');
await runTest();
// We force additional runtime type support to be output for A by instantiating
// it with a type argument, and testing for the type. The extra support should
// go to the deferred hunk.
const Map<String, String> MEMORY_SOURCE_FILES = const {
"main.dart": """
import 'lib.dart' deferred as lib show f, A, instance;
void main() {
lib.loadLibrary().then((_) {
"lib.dart": """
class A<T> {}
class B<T> implements A<T> {}
B<B> instance = new B<B>();
bool f (Object o) {
return o is A<A>;