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sdk/tests/compiler/dart2js/codegen/closure_codegen_test.dart
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Johnni Winther 1fc66812bf Move unittests, part #3 of ?
- add 'async_await' folder for testing async/await transformation
- add 'codegen' folder for testing of generated code
- add 'end_to_end' folder for testing of command-line interaction

Change-Id: Ic262db98d6156175bf53fcc53443cc2b273dd404
Reviewed-on: https://dart-review.googlesource.com/30780
Reviewed-by: Sigmund Cherem <sigmund@google.com>
2017-12-21 10:00:14 +00:00

88 lines
2.6 KiB
Dart

// Copyright (c) 2012, 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 parameters keep their names in the output.
import 'dart:async';
import 'package:expect/expect.dart';
import 'package:async_helper/async_helper.dart';
import '../compiler_helper.dart';
const String TEST_INVOCATION0 = r"""
main() {
var o = null;
o();
}
""";
const String TEST_INVOCATION1 = r"""
main() {
var o = null;
o(1);
}
""";
const String TEST_INVOCATION2 = r"""
main() {
var o = null;
o(1, 2);
}
""";
const String TEST_BAILOUT = r"""
class A {
var x;
foo(_) { // make sure only g has no arguments
var f = () { return 499; };
return 499 + x + f();
}
}
main() { new A().foo(1); }
""";
Future closureInvocation({bool useKernel, bool minify, String prefix}) async {
await compile(TEST_INVOCATION0, useKernel: useKernel, minify: minify,
check: (String generated) {
Expect.isTrue(generated.contains(".$prefix\$0()"));
});
await compile(TEST_INVOCATION1, useKernel: useKernel, minify: minify,
check: (String generated) {
Expect.isTrue(generated.contains(".$prefix\$1(1)"));
});
await compile(TEST_INVOCATION2, useKernel: useKernel, minify: minify,
check: (String generated) {
Expect.isTrue(generated.contains(".$prefix\$2(1,${minify ? "" : " "}2)"));
});
}
// Make sure that the bailout version does not introduce a second version of
// the closure.
Future closureBailout(CompileMode compileMode,
{bool minify, String prefix}) async {
String generated =
await compileAll(TEST_BAILOUT, compileMode: compileMode, minify: minify);
RegExp regexp = new RegExp("$prefix\\\$0:${minify ? "" : " "}function");
Iterator<Match> matches = regexp.allMatches(generated).iterator;
checkNumberOfMatches(matches, 1);
}
main() {
runTests({bool useKernel}) async {
await closureInvocation(
useKernel: useKernel, minify: false, prefix: "call");
await closureInvocation(useKernel: useKernel, minify: true, prefix: "");
CompileMode compileMode =
useKernel ? CompileMode.kernel : CompileMode.memory;
await closureBailout(compileMode, minify: false, prefix: "call");
await closureBailout(compileMode, minify: true, prefix: "");
}
asyncTest(() async {
print('--test from ast---------------------------------------------------');
await runTests(useKernel: false);
print('--test from kernel------------------------------------------------');
await runTests(useKernel: true);
});
}