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Add expectation tests for Function.toJS lowerings

Browse source 
Adds cases for 0-6 arg functions. Currently, all of these
lower to allowInterop, but will move to a arity-dependent
lowering in a future CL.

Change-Id: I6fcb3110e16b8701444ebb98496bcdb47ffb0a32
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/368063
Commit-Queue: Srujan Gaddam <srujzs@google.com>
Reviewed-by: Johnni Winther <johnniwinther@google.com>
This commit is contained in:
Srujan Gaddam 2024-06-14 22:28:40 +00:00 committed by Commit Queue
parent f141c97651
commit 5ff1e59378
18 changed files with 397 additions and 64 deletions
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128
pkg/front_end/test/coverage_suite_expected.dart
View file

@ -13,10 +13,10 @@ const Map<String, ({int hitCount, int missCount})> _expect = {
hitCount: 43,
missCount: 189,
),
// 87.83783783783784%.
// 86.48648648648648%.
"package:front_end/src/api_prototype/experimental_flags.dart": (
hitCount: 65,
missCount: 9,
hitCount: 64,
missCount: 10,
),
// 55.28846153846154%.
"package:front_end/src/api_prototype/experimental_flags_generated.dart": (
@ -118,10 +118,10 @@ const Map<String, ({int hitCount, int missCount})> _expect = {
hitCount: 7,
missCount: 3,
),
// 71.14427860696517%.
// 71.64179104477611%.
"package:front_end/src/fasta/builder/class_builder.dart": (
hitCount: 143,
missCount: 58,
hitCount: 144,
missCount: 57,
),
// 100.0%.
"package:front_end/src/fasta/builder/constructor_reference_builder.dart": (
@ -240,10 +240,10 @@ const Map<String, ({int hitCount, int missCount})> _expect = {
hitCount: 0,
missCount: 13,
),
// 89.47368421052632%.
// 78.94736842105263%.
"package:front_end/src/fasta/builder/prefix_builder.dart": (
hitCount: 34,
missCount: 4,
hitCount: 30,
missCount: 8,
),
// 77.43589743589745%.
"package:front_end/src/fasta/builder/record_type_builder.dart": (
@ -325,10 +325,10 @@ const Map<String, ({int hitCount, int missCount})> _expect = {
hitCount: 169,
missCount: 14,
),
// 80.72289156626506%.
// 86.74698795180723%.
"package:front_end/src/fasta/dill/dill_extension_builder.dart": (
hitCount: 67,
missCount: 16,
hitCount: 72,
missCount: 11,
),
// 70.29702970297029%.
"package:front_end/src/fasta/dill/dill_extension_member_builder.dart": (
@ -346,10 +346,10 @@ const Map<String, ({int hitCount, int missCount})> _expect = {
hitCount: 129,
missCount: 25,
),
// 80.20565552699229%.
// 80.46272493573264%.
"package:front_end/src/fasta/dill/dill_library_builder.dart": (
hitCount: 312,
missCount: 77,
hitCount: 313,
missCount: 76,
),
// 77.03349282296651%.
"package:front_end/src/fasta/dill/dill_loader.dart": (
@ -401,10 +401,10 @@ const Map<String, ({int hitCount, int missCount})> _expect = {
hitCount: 96,
missCount: 3,
),
// 49.85354422964265%.
// 49.824355971896956%.
"package:front_end/src/fasta/incremental_compiler.dart": (
hitCount: 851,
missCount: 856,
missCount: 857,
),
// 0.0%.
"package:front_end/src/fasta/incremental_serializer.dart": (
@ -421,10 +421,10 @@ const Map<String, ({int hitCount, int missCount})> _expect = {
hitCount: 0,
missCount: 128,
),
// 91.24832214765101%.
// 91.26174496644295%.
"package:front_end/src/fasta/kernel/body_builder.dart": (
hitCount: 6798,
missCount: 652,
hitCount: 6799,
missCount: 651,
),
// 70.40816326530613%.
"package:front_end/src/fasta/kernel/body_builder_context.dart": (
@ -451,10 +451,10 @@ const Map<String, ({int hitCount, int missCount})> _expect = {
hitCount: 205,
missCount: 98,
),
// 82.14686728048507%.
// 82.07949696833595%.
"package:front_end/src/fasta/kernel/constant_evaluator.dart": (
hitCount: 3658,
missCount: 795,
hitCount: 3655,
missCount: 798,
),
// 92.04545454545455%.
"package:front_end/src/fasta/kernel/constant_int_folder.dart": (
@ -471,20 +471,20 @@ const Map<String, ({int hitCount, int missCount})> _expect = {
hitCount: 478,
missCount: 163,
),
// 79.54473601011698%.
// 79.57635156496995%.
"package:front_end/src/fasta/kernel/expression_generator.dart": (
hitCount: 2516,
missCount: 647,
hitCount: 2517,
missCount: 646,
),
// 100.0%.
"package:front_end/src/fasta/kernel/expression_generator_helper.dart": (
hitCount: 36,
missCount: 0,
),
// 90.27777777777779%.
// 89.58333333333334%.
"package:front_end/src/fasta/kernel/forest.dart": (
hitCount: 390,
missCount: 42,
hitCount: 387,
missCount: 45,
),
// 94.4927536231884%.
"package:front_end/src/fasta/kernel/forwarding_node.dart": (
@ -521,10 +521,10 @@ const Map<String, ({int hitCount, int missCount})> _expect = {
hitCount: 133,
missCount: 2,
),
// 91.44427001569859%.
// 91.287284144427%.
"package:front_end/src/fasta/kernel/hierarchy/members_node.dart": (
hitCount: 1165,
missCount: 109,
hitCount: 1163,
missCount: 111,
),
// 61.53846153846154%.
"package:front_end/src/fasta/kernel/hierarchy/mixin_inferrer.dart": (
@ -561,10 +561,10 @@ const Map<String, ({int hitCount, int missCount})> _expect = {
hitCount: 285,
missCount: 3,
),
// 79.92337164750958%.
// 80.15325670498085%.
"package:front_end/src/fasta/kernel/kernel_target.dart": (
hitCount: 1043,
missCount: 262,
hitCount: 1046,
missCount: 259,
),
// 61.111111111111114%.
"package:front_end/src/fasta/kernel/kernel_variable_builder.dart": (
@ -631,10 +631,10 @@ const Map<String, ({int hitCount, int missCount})> _expect = {
hitCount: 16,
missCount: 65,
),
// 93.14928425357874%.
// 93.66053169734151%.
"package:front_end/src/fasta/kernel/type_algorithms.dart": (
hitCount: 911,
missCount: 67,
hitCount: 916,
missCount: 62,
),
// 90.20618556701031%.
"package:front_end/src/fasta/kernel/type_builder_computer.dart": (
@ -676,10 +676,10 @@ const Map<String, ({int hitCount, int missCount})> _expect = {
hitCount: 0,
missCount: 29,
),
// 80.5050505050505%.
// 80.2020202020202%.
"package:front_end/src/fasta/scope.dart": (
hitCount: 797,
missCount: 193,
hitCount: 794,
missCount: 196,
),
// 80.29556650246306%.
"package:front_end/src/fasta/source/class_declaration.dart": (
@ -706,9 +706,9 @@ const Map<String, ({int hitCount, int missCount})> _expect = {
hitCount: 118,
missCount: 6,
),
// 91.38284776364382%.
// 91.38638228055783%.
"package:front_end/src/fasta/source/outline_builder.dart": (
hitCount: 2227,
hitCount: 2228,
missCount: 210,
),
// 94.44444444444444%.
@ -721,15 +721,15 @@ const Map<String, ({int hitCount, int missCount})> _expect = {
hitCount: 159,
missCount: 20,
),
// 85.39007092198581%.
// 86.02836879432624%.
"package:front_end/src/fasta/source/source_class_builder.dart": (
hitCount: 1204,
missCount: 206,
hitCount: 1213,
missCount: 197,
),
// 92.65658747300216%.
// 92.44060475161987%.
"package:front_end/src/fasta/source/source_constructor_builder.dart": (
hitCount: 858,
missCount: 68,
hitCount: 856,
missCount: 70,
),
// 95.73560767590618%.
"package:front_end/src/fasta/source/source_enum_builder.dart": (
@ -752,25 +752,25 @@ const Map<String, ({int hitCount, int missCount})> _expect = {
hitCount: 581,
missCount: 49,
),
// 89.10891089108911%.
// 89.94668697638994%.
"package:front_end/src/fasta/source/source_field_builder.dart": (
hitCount: 1170,
missCount: 143,
hitCount: 1181,
missCount: 132,
),
// 89.29663608562691%.
"package:front_end/src/fasta/source/source_function_builder.dart": (
hitCount: 292,
missCount: 35,
),
// 84.2685370741483%.
// 84.43789887088856%.
"package:front_end/src/fasta/source/source_library_builder.dart": (
hitCount: 3364,
missCount: 628,
hitCount: 3440,
missCount: 634,
),
// 79.98228520814881%.
// 79.9203892083149%.
"package:front_end/src/fasta/source/source_loader.dart": (
hitCount: 1806,
missCount: 452,
hitCount: 1807,
missCount: 454,
),
// 40.32258064516129%.
"package:front_end/src/fasta/source/source_member_builder.dart": (
@ -832,10 +832,10 @@ const Map<String, ({int hitCount, int missCount})> _expect = {
hitCount: 7785,
missCount: 841,
),
// 84.54088952654233%.
// 84.61262553802008%.
"package:front_end/src/fasta/type_inference/inference_visitor_base.dart": (
hitCount: 2357,
missCount: 431,
hitCount: 2359,
missCount: 429,
),
// 80.26509572901325%.
"package:front_end/src/fasta/type_inference/matching_cache.dart": (
@ -847,10 +847,10 @@ const Map<String, ({int hitCount, int missCount})> _expect = {
hitCount: 519,
missCount: 10,
),
// 77.31629392971246%.
// 77.47603833865814%.
"package:front_end/src/fasta/type_inference/object_access_target.dart": (
hitCount: 484,
missCount: 142,
hitCount: 485,
missCount: 141,
),
// 98.0%.
"package:front_end/src/fasta/type_inference/shared_type_analyzer.dart": (

1
pkg/front_end/test/spell_checking_list_tests.txt
View file

@ -622,6 +622,7 @@ producer
profile
profiler
programmatically
promise
proportional
protected
proved

45
pkg/front_end/testcases/dart2js/js_interop_transforms/functiontojs.dart Normal file
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@ -0,0 +1,45 @@
// Copyright (c) 2024, 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 lowerings of function conversions to and from JS. Tests functions with
// 0-6 args (with and without function subtyping) as some of these may be
// optimized.
import 'dart:js_interop';
void main() {
var jsFunction = () {}.toJS;
((int arg1) => arg1).toJS;
((([int? arg1]) => arg1) as void Function()).toJS;
((int arg1, String arg2) => arg2).toJS;
((([int? arg1, String? arg2]) => arg2) as void Function([int])).toJS;
((int arg1, String arg2, JSArray arg3) => arg3).toJS;
(((int arg1, [String? arg2, JSArray? arg3]) => arg3) as void Function(int,
[String]))
.toJS;
((int arg1, String arg2, JSArray arg3, JSObject arg4) => arg4).toJS;
(((int arg1, String arg2, JSArray arg3, [JSObject? arg4]) => arg4) as void
Function(int, String, JSArray))
.toJS;
((int arg1, String arg2, JSArray arg3, JSObject arg4, JSPromise arg5) => arg5)
.toJS;
(((int arg1, String arg2, [JSArray? arg3, JSObject? arg4, JSPromise? arg5]) =>
arg5) as void Function(int, String, [JSArray?, JSObject?]))
.toJS;
((int arg1, String arg2, JSArray arg3, JSObject arg4, JSPromise arg5,
JSAny arg6) =>
arg6).toJS;
(((int arg1, String arg2, JSArray arg3, JSObject arg4,
[JSPromise? arg5, JSAny? arg6]) =>
arg6) as void Function(int, String, JSArray, JSObject, [JSPromise?]))
.toJS;
jsFunction.toDart;
}

27
pkg/front_end/testcases/dart2js/js_interop_transforms/functiontojs.dart.strong.expect Normal file
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@ -0,0 +1,27 @@
library;
import self as self;
import "dart:js_interop" as js_;
import "dart:core" as core;
import "dart:js_interop";
static method main() → void {
js_::JSExportedDartFunction /* erasure=_interceptors::JavaScriptFunction */ jsFunction = js_::FunctionToJSExportedDartFunction|get#toJS(() → Null {});
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1) → core::int => arg1);
js_::FunctionToJSExportedDartFunction|get#toJS((([core::int? arg1 = #C1]) → core::int? => arg1) as () → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2) → core::String => arg2);
js_::FunctionToJSExportedDartFunction|get#toJS((([core::int? arg1 = #C1, core::String? arg2 = #C1]) → core::String? => arg2) as ([core::int]) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ arg3) → js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ => arg3);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, [core::String? arg2 = #C1, js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSArray<core::Object?>? */ arg3 = #C1]) → js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSArray<core::Object?>? */ => arg3) as (core::int, [core::String]) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=_interceptors::JSObject */ arg4) → js_::JSObject /* erasure=_interceptors::JSObject */ => arg4);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ arg3, [js_::JSObject? /* erasure=_interceptors::JSObject? */ arg4 = #C1]) → js_::JSObject? /* erasure=_interceptors::JSObject? */ => arg4) as (core::int, core::String, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=_interceptors::JSObject */ arg4, js_::JSPromise<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSObject */ arg5) → js_::JSPromise<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSObject */ => arg5);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, core::String arg2, [js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSArray<core::Object?>? */ arg3 = #C1, js_::JSObject? /* erasure=_interceptors::JSObject? */ arg4 = #C1, js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSObject? */ arg5 = #C1]) → js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSObject? */ => arg5) as (core::int, core::String, [js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSArray<core::Object?>? */, js_::JSObject? /* erasure=_interceptors::JSObject? */]) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=_interceptors::JSObject */ arg4, js_::JSPromise<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSObject */ arg5, js_::JSAny /* erasure=core::Object */ arg6) → js_::JSAny /* erasure=core::Object */ => arg6);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=_interceptors::JSObject */ arg4, [js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSObject? */ arg5 = #C1, js_::JSAny? /* erasure=core::Object? */ arg6 = #C1]) → js_::JSAny? /* erasure=core::Object? */ => arg6) as (core::int, core::String, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */, js_::JSObject /* erasure=_interceptors::JSObject */, [js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSObject? */]) → void);
js_::JSExportedDartFunctionToFunction|get#toDart(jsFunction);
}
constants {
#C1 = null
}

27
pkg/front_end/testcases/dart2js/js_interop_transforms/functiontojs.dart.strong.modular.expect Normal file
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@ -0,0 +1,27 @@
library;
import self as self;
import "dart:js_interop" as js_;
import "dart:core" as core;
import "dart:js_interop";
static method main() → void {
js_::JSExportedDartFunction /* erasure=_interceptors::JavaScriptFunction */ jsFunction = js_::FunctionToJSExportedDartFunction|get#toJS(() → Null {});
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1) → core::int => arg1);
js_::FunctionToJSExportedDartFunction|get#toJS((([core::int? arg1 = #C1]) → core::int? => arg1) as () → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2) → core::String => arg2);
js_::FunctionToJSExportedDartFunction|get#toJS((([core::int? arg1 = #C1, core::String? arg2 = #C1]) → core::String? => arg2) as ([core::int]) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ arg3) → js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ => arg3);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, [core::String? arg2 = #C1, js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSArray<core::Object?>? */ arg3 = #C1]) → js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSArray<core::Object?>? */ => arg3) as (core::int, [core::String]) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=_interceptors::JSObject */ arg4) → js_::JSObject /* erasure=_interceptors::JSObject */ => arg4);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ arg3, [js_::JSObject? /* erasure=_interceptors::JSObject? */ arg4 = #C1]) → js_::JSObject? /* erasure=_interceptors::JSObject? */ => arg4) as (core::int, core::String, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=_interceptors::JSObject */ arg4, js_::JSPromise<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSObject */ arg5) → js_::JSPromise<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSObject */ => arg5);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, core::String arg2, [js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSArray<core::Object?>? */ arg3 = #C1, js_::JSObject? /* erasure=_interceptors::JSObject? */ arg4 = #C1, js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSObject? */ arg5 = #C1]) → js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSObject? */ => arg5) as (core::int, core::String, [js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSArray<core::Object?>? */, js_::JSObject? /* erasure=_interceptors::JSObject? */]) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=_interceptors::JSObject */ arg4, js_::JSPromise<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSObject */ arg5, js_::JSAny /* erasure=core::Object */ arg6) → js_::JSAny /* erasure=core::Object */ => arg6);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=_interceptors::JSObject */ arg4, [js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSObject? */ arg5 = #C1, js_::JSAny? /* erasure=core::Object? */ arg6 = #C1]) → js_::JSAny? /* erasure=core::Object? */ => arg6) as (core::int, core::String, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */, js_::JSObject /* erasure=_interceptors::JSObject */, [js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSObject? */]) → void);
js_::JSExportedDartFunctionToFunction|get#toDart(jsFunction);
}
constants {
#C1 = null
}

7
pkg/front_end/testcases/dart2js/js_interop_transforms/functiontojs.dart.strong.outline.expect Normal file
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@ -0,0 +1,7 @@
library;
import self as self;
import "dart:js_interop";
static method main() → void
;

27
pkg/front_end/testcases/dart2js/js_interop_transforms/functiontojs.dart.strong.transformed.expect Normal file
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library;
import self as self;
import "dart:js_interop" as js_;
import "dart:core" as core;
import "dart:js_interop";
static method main() → void {
js_::JSExportedDartFunction /* erasure=_interceptors::JavaScriptFunction */ jsFunction = js_::FunctionToJSExportedDartFunction|get#toJS(() → Null {});
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1) → core::int => arg1);
js_::FunctionToJSExportedDartFunction|get#toJS((([core::int? arg1 = #C1]) → core::int? => arg1) as () → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2) → core::String => arg2);
js_::FunctionToJSExportedDartFunction|get#toJS((([core::int? arg1 = #C1, core::String? arg2 = #C1]) → core::String? => arg2) as ([core::int]) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ arg3) → js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ => arg3);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, [core::String? arg2 = #C1, js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSArray<core::Object?>? */ arg3 = #C1]) → js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSArray<core::Object?>? */ => arg3) as (core::int, [core::String]) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=_interceptors::JSObject */ arg4) → js_::JSObject /* erasure=_interceptors::JSObject */ => arg4);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ arg3, [js_::JSObject? /* erasure=_interceptors::JSObject? */ arg4 = #C1]) → js_::JSObject? /* erasure=_interceptors::JSObject? */ => arg4) as (core::int, core::String, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=_interceptors::JSObject */ arg4, js_::JSPromise<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSObject */ arg5) → js_::JSPromise<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSObject */ => arg5);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, core::String arg2, [js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSArray<core::Object?>? */ arg3 = #C1, js_::JSObject? /* erasure=_interceptors::JSObject? */ arg4 = #C1, js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSObject? */ arg5 = #C1]) → js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSObject? */ => arg5) as (core::int, core::String, [js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSArray<core::Object?>? */, js_::JSObject? /* erasure=_interceptors::JSObject? */]) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=_interceptors::JSObject */ arg4, js_::JSPromise<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSObject */ arg5, js_::JSAny /* erasure=core::Object */ arg6) → js_::JSAny /* erasure=core::Object */ => arg6);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=_interceptors::JSObject */ arg4, [js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSObject? */ arg5 = #C1, js_::JSAny? /* erasure=core::Object? */ arg6 = #C1]) → js_::JSAny? /* erasure=core::Object? */ => arg6) as (core::int, core::String, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */, js_::JSObject /* erasure=_interceptors::JSObject */, [js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSObject? */]) → void);
js_::JSExportedDartFunctionToFunction|get#toDart(jsFunction);
}
constants {
#C1 = null
}

3
pkg/front_end/testcases/dart2js/js_interop_transforms/functiontojs.dart.textual_outline.expect Normal file
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import 'dart:js_interop';
void main() {}

3
pkg/front_end/testcases/dart2js/js_interop_transforms/functiontojs.dart.textual_outline_modelled.expect Normal file
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import 'dart:js_interop';
void main() {}

27
pkg/front_end/testcases/dart2js/js_interop_transforms/functiontojs.dart.weak.expect Normal file
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library;
import self as self;
import "dart:js_interop" as js_;
import "dart:core" as core;
import "dart:js_interop";
static method main() → void {
js_::JSExportedDartFunction /* erasure=_interceptors::JavaScriptFunction */ jsFunction = js_::FunctionToJSExportedDartFunction|get#toJS(() → Null {});
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1) → core::int => arg1);
js_::FunctionToJSExportedDartFunction|get#toJS((([core::int? arg1 = #C1]) → core::int? => arg1) as () → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2) → core::String => arg2);
js_::FunctionToJSExportedDartFunction|get#toJS((([core::int? arg1 = #C1, core::String? arg2 = #C1]) → core::String? => arg2) as ([core::int]) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ arg3) → js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ => arg3);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, [core::String? arg2 = #C1, js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSArray<core::Object?>? */ arg3 = #C1]) → js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSArray<core::Object?>? */ => arg3) as (core::int, [core::String]) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=_interceptors::JSObject */ arg4) → js_::JSObject /* erasure=_interceptors::JSObject */ => arg4);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ arg3, [js_::JSObject? /* erasure=_interceptors::JSObject? */ arg4 = #C1]) → js_::JSObject? /* erasure=_interceptors::JSObject? */ => arg4) as (core::int, core::String, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=_interceptors::JSObject */ arg4, js_::JSPromise<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSObject */ arg5) → js_::JSPromise<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSObject */ => arg5);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, core::String arg2, [js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSArray<core::Object?>? */ arg3 = #C1, js_::JSObject? /* erasure=_interceptors::JSObject? */ arg4 = #C1, js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSObject? */ arg5 = #C1]) → js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSObject? */ => arg5) as (core::int, core::String, [js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSArray<core::Object?>? */, js_::JSObject? /* erasure=_interceptors::JSObject? */]) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=_interceptors::JSObject */ arg4, js_::JSPromise<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSObject */ arg5, js_::JSAny /* erasure=core::Object */ arg6) → js_::JSAny /* erasure=core::Object */ => arg6);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=_interceptors::JSObject */ arg4, [js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSObject? */ arg5 = #C1, js_::JSAny? /* erasure=core::Object? */ arg6 = #C1]) → js_::JSAny? /* erasure=core::Object? */ => arg6) as (core::int, core::String, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */, js_::JSObject /* erasure=_interceptors::JSObject */, [js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSObject? */]) → void);
js_::JSExportedDartFunctionToFunction|get#toDart(jsFunction);
}
constants {
#C1 = null
}

27
pkg/front_end/testcases/dart2js/js_interop_transforms/functiontojs.dart.weak.transformed.expect Normal file
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@ -0,0 +1,27 @@
library;
import self as self;
import "dart:js_interop" as js_;
import "dart:core" as core;
import "dart:js_interop";
static method main() → void {
js_::JSExportedDartFunction /* erasure=_interceptors::JavaScriptFunction */ jsFunction = js_::FunctionToJSExportedDartFunction|get#toJS(() → Null {});
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1) → core::int => arg1);
js_::FunctionToJSExportedDartFunction|get#toJS((([core::int? arg1 = #C1]) → core::int? => arg1) as () → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2) → core::String => arg2);
js_::FunctionToJSExportedDartFunction|get#toJS((([core::int? arg1 = #C1, core::String? arg2 = #C1]) → core::String? => arg2) as ([core::int]) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ arg3) → js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ => arg3);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, [core::String? arg2 = #C1, js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSArray<core::Object?>? */ arg3 = #C1]) → js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSArray<core::Object?>? */ => arg3) as (core::int, [core::String]) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=_interceptors::JSObject */ arg4) → js_::JSObject /* erasure=_interceptors::JSObject */ => arg4);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ arg3, [js_::JSObject? /* erasure=_interceptors::JSObject? */ arg4 = #C1]) → js_::JSObject? /* erasure=_interceptors::JSObject? */ => arg4) as (core::int, core::String, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=_interceptors::JSObject */ arg4, js_::JSPromise<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSObject */ arg5) → js_::JSPromise<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSObject */ => arg5);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, core::String arg2, [js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSArray<core::Object?>? */ arg3 = #C1, js_::JSObject? /* erasure=_interceptors::JSObject? */ arg4 = #C1, js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSObject? */ arg5 = #C1]) → js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSObject? */ => arg5) as (core::int, core::String, [js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSArray<core::Object?>? */, js_::JSObject? /* erasure=_interceptors::JSObject? */]) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=_interceptors::JSObject */ arg4, js_::JSPromise<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSObject */ arg5, js_::JSAny /* erasure=core::Object */ arg6) → js_::JSAny /* erasure=core::Object */ => arg6);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=_interceptors::JSObject */ arg4, [js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSObject? */ arg5 = #C1, js_::JSAny? /* erasure=core::Object? */ arg6 = #C1]) → js_::JSAny? /* erasure=core::Object? */ => arg6) as (core::int, core::String, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=_interceptors::JSArray<core::Object?> */, js_::JSObject /* erasure=_interceptors::JSObject */, [js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=_interceptors::JSObject? */]) → void);
js_::JSExportedDartFunctionToFunction|get#toDart(jsFunction);
}
constants {
#C1 = null
}

45
pkg/front_end/testcases/dartdevc/js_interop_transforms/functiontojs.dart Normal file
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// Copyright (c) 2024, 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 lowerings of function conversions to and from JS. Tests functions with
// 0-6 args (with and without function subtyping) as some of these may be
// optimized.
import 'dart:js_interop';
void main() {
var jsFunction = () {}.toJS;
((int arg1) => arg1).toJS;
((([int? arg1]) => arg1) as void Function()).toJS;
((int arg1, String arg2) => arg2).toJS;
((([int? arg1, String? arg2]) => arg2) as void Function([int])).toJS;
((int arg1, String arg2, JSArray arg3) => arg3).toJS;
(((int arg1, [String? arg2, JSArray? arg3]) => arg3) as void Function(int,
[String]))
.toJS;
((int arg1, String arg2, JSArray arg3, JSObject arg4) => arg4).toJS;
(((int arg1, String arg2, JSArray arg3, [JSObject? arg4]) => arg4) as void
Function(int, String, JSArray))
.toJS;
((int arg1, String arg2, JSArray arg3, JSObject arg4, JSPromise arg5) => arg5)
.toJS;
(((int arg1, String arg2, [JSArray? arg3, JSObject? arg4, JSPromise? arg5]) =>
arg5) as void Function(int, String, [JSArray?, JSObject?]))
.toJS;
((int arg1, String arg2, JSArray arg3, JSObject arg4, JSPromise arg5,
JSAny arg6) =>
arg6).toJS;
(((int arg1, String arg2, JSArray arg3, JSObject arg4,
[JSPromise? arg5, JSAny? arg6]) =>
arg6) as void Function(int, String, JSArray, JSObject, [JSPromise?]))
.toJS;
jsFunction.toDart;
}

27
pkg/front_end/testcases/dartdevc/js_interop_transforms/functiontojs.dart.strong.expect Normal file
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library;
import self as self;
import "dart:js_interop" as js_;
import "dart:core" as core;
import "dart:js_interop";
static method main() → void {
js_::JSExportedDartFunction /* erasure=dart._interceptors::JavaScriptFunction */ jsFunction = js_::FunctionToJSExportedDartFunction|get#toJS(() → Null {});
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1) → core::int => arg1);
js_::FunctionToJSExportedDartFunction|get#toJS((([core::int? arg1 = #C1]) → core::int? => arg1) as () → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2) → core::String => arg2);
js_::FunctionToJSExportedDartFunction|get#toJS((([core::int? arg1 = #C1, core::String? arg2 = #C1]) → core::String? => arg2) as ([core::int]) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSArray<core::Object?> */ arg3) → js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSArray<core::Object?> */ => arg3);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, [core::String? arg2 = #C1, js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=dart._interceptors::JSArray<core::Object?>? */ arg3 = #C1]) → js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=dart._interceptors::JSArray<core::Object?>? */ => arg3) as (core::int, [core::String]) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=dart._interceptors::JSObject */ arg4) → js_::JSObject /* erasure=dart._interceptors::JSObject */ => arg4);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSArray<core::Object?> */ arg3, [js_::JSObject? /* erasure=dart._interceptors::JSObject? */ arg4 = #C1]) → js_::JSObject? /* erasure=dart._interceptors::JSObject? */ => arg4) as (core::int, core::String, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSArray<core::Object?> */) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=dart._interceptors::JSObject */ arg4, js_::JSPromise<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSObject */ arg5) → js_::JSPromise<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSObject */ => arg5);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, core::String arg2, [js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=dart._interceptors::JSArray<core::Object?>? */ arg3 = #C1, js_::JSObject? /* erasure=dart._interceptors::JSObject? */ arg4 = #C1, js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=dart._interceptors::JSObject? */ arg5 = #C1]) → js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=dart._interceptors::JSObject? */ => arg5) as (core::int, core::String, [js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=dart._interceptors::JSArray<core::Object?>? */, js_::JSObject? /* erasure=dart._interceptors::JSObject? */]) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=dart._interceptors::JSObject */ arg4, js_::JSPromise<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSObject */ arg5, js_::JSAny /* erasure=core::Object */ arg6) → js_::JSAny /* erasure=core::Object */ => arg6);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=dart._interceptors::JSObject */ arg4, [js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=dart._interceptors::JSObject? */ arg5 = #C1, js_::JSAny? /* erasure=core::Object? */ arg6 = #C1]) → js_::JSAny? /* erasure=core::Object? */ => arg6) as (core::int, core::String, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSArray<core::Object?> */, js_::JSObject /* erasure=dart._interceptors::JSObject */, [js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=dart._interceptors::JSObject? */]) → void);
js_::JSExportedDartFunctionToFunction|get#toDart(jsFunction);
}
constants {
#C1 = null
}

27
pkg/front_end/testcases/dartdevc/js_interop_transforms/functiontojs.dart.strong.modular.expect Normal file
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library;
import self as self;
import "dart:js_interop" as js_;
import "dart:core" as core;
import "dart:js_interop";
static method main() → void {
js_::JSExportedDartFunction /* erasure=dart._interceptors::JavaScriptFunction */ jsFunction = js_::FunctionToJSExportedDartFunction|get#toJS(() → Null {});
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1) → core::int => arg1);
js_::FunctionToJSExportedDartFunction|get#toJS((([core::int? arg1 = #C1]) → core::int? => arg1) as () → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2) → core::String => arg2);
js_::FunctionToJSExportedDartFunction|get#toJS((([core::int? arg1 = #C1, core::String? arg2 = #C1]) → core::String? => arg2) as ([core::int]) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSArray<core::Object?> */ arg3) → js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSArray<core::Object?> */ => arg3);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, [core::String? arg2 = #C1, js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=dart._interceptors::JSArray<core::Object?>? */ arg3 = #C1]) → js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=dart._interceptors::JSArray<core::Object?>? */ => arg3) as (core::int, [core::String]) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=dart._interceptors::JSObject */ arg4) → js_::JSObject /* erasure=dart._interceptors::JSObject */ => arg4);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSArray<core::Object?> */ arg3, [js_::JSObject? /* erasure=dart._interceptors::JSObject? */ arg4 = #C1]) → js_::JSObject? /* erasure=dart._interceptors::JSObject? */ => arg4) as (core::int, core::String, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSArray<core::Object?> */) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=dart._interceptors::JSObject */ arg4, js_::JSPromise<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSObject */ arg5) → js_::JSPromise<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSObject */ => arg5);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, core::String arg2, [js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=dart._interceptors::JSArray<core::Object?>? */ arg3 = #C1, js_::JSObject? /* erasure=dart._interceptors::JSObject? */ arg4 = #C1, js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=dart._interceptors::JSObject? */ arg5 = #C1]) → js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=dart._interceptors::JSObject? */ => arg5) as (core::int, core::String, [js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=dart._interceptors::JSArray<core::Object?>? */, js_::JSObject? /* erasure=dart._interceptors::JSObject? */]) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=dart._interceptors::JSObject */ arg4, js_::JSPromise<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSObject */ arg5, js_::JSAny /* erasure=core::Object */ arg6) → js_::JSAny /* erasure=core::Object */ => arg6);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=dart._interceptors::JSObject */ arg4, [js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=dart._interceptors::JSObject? */ arg5 = #C1, js_::JSAny? /* erasure=core::Object? */ arg6 = #C1]) → js_::JSAny? /* erasure=core::Object? */ => arg6) as (core::int, core::String, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSArray<core::Object?> */, js_::JSObject /* erasure=dart._interceptors::JSObject */, [js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=dart._interceptors::JSObject? */]) → void);
js_::JSExportedDartFunctionToFunction|get#toDart(jsFunction);
}
constants {
#C1 = null
}

7
pkg/front_end/testcases/dartdevc/js_interop_transforms/functiontojs.dart.strong.outline.expect Normal file
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@ -0,0 +1,7 @@
library;
import self as self;
import "dart:js_interop";
static method main() → void
;

27
pkg/front_end/testcases/dartdevc/js_interop_transforms/functiontojs.dart.strong.transformed.expect Normal file
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@ -0,0 +1,27 @@
library;
import self as self;
import "dart:js_interop" as js_;
import "dart:core" as core;
import "dart:js_interop";
static method main() → void {
js_::JSExportedDartFunction /* erasure=dart._interceptors::JavaScriptFunction */ jsFunction = js_::FunctionToJSExportedDartFunction|get#toJS(() → Null {});
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1) → core::int => arg1);
js_::FunctionToJSExportedDartFunction|get#toJS((([core::int? arg1 = #C1]) → core::int? => arg1) as () → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2) → core::String => arg2);
js_::FunctionToJSExportedDartFunction|get#toJS((([core::int? arg1 = #C1, core::String? arg2 = #C1]) → core::String? => arg2) as ([core::int]) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSArray<core::Object?> */ arg3) → js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSArray<core::Object?> */ => arg3);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, [core::String? arg2 = #C1, js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=dart._interceptors::JSArray<core::Object?>? */ arg3 = #C1]) → js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=dart._interceptors::JSArray<core::Object?>? */ => arg3) as (core::int, [core::String]) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=dart._interceptors::JSObject */ arg4) → js_::JSObject /* erasure=dart._interceptors::JSObject */ => arg4);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSArray<core::Object?> */ arg3, [js_::JSObject? /* erasure=dart._interceptors::JSObject? */ arg4 = #C1]) → js_::JSObject? /* erasure=dart._interceptors::JSObject? */ => arg4) as (core::int, core::String, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSArray<core::Object?> */) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=dart._interceptors::JSObject */ arg4, js_::JSPromise<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSObject */ arg5) → js_::JSPromise<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSObject */ => arg5);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, core::String arg2, [js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=dart._interceptors::JSArray<core::Object?>? */ arg3 = #C1, js_::JSObject? /* erasure=dart._interceptors::JSObject? */ arg4 = #C1, js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=dart._interceptors::JSObject? */ arg5 = #C1]) → js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=dart._interceptors::JSObject? */ => arg5) as (core::int, core::String, [js_::JSArray<js_::JSAny? /* erasure=core::Object? */>? /* erasure=dart._interceptors::JSArray<core::Object?>? */, js_::JSObject? /* erasure=dart._interceptors::JSObject? */]) → void);
js_::FunctionToJSExportedDartFunction|get#toJS((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=dart._interceptors::JSObject */ arg4, js_::JSPromise<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSObject */ arg5, js_::JSAny /* erasure=core::Object */ arg6) → js_::JSAny /* erasure=core::Object */ => arg6);
js_::FunctionToJSExportedDartFunction|get#toJS(((core::int arg1, core::String arg2, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSArray<core::Object?> */ arg3, js_::JSObject /* erasure=dart._interceptors::JSObject */ arg4, [js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=dart._interceptors::JSObject? */ arg5 = #C1, js_::JSAny? /* erasure=core::Object? */ arg6 = #C1]) → js_::JSAny? /* erasure=core::Object? */ => arg6) as (core::int, core::String, js_::JSArray<js_::JSAny? /* erasure=core::Object? */> /* erasure=dart._interceptors::JSArray<core::Object?> */, js_::JSObject /* erasure=dart._interceptors::JSObject */, [js_::JSPromise<js_::JSAny? /* erasure=core::Object? */>? /* erasure=dart._interceptors::JSObject? */]) → void);
js_::JSExportedDartFunctionToFunction|get#toDart(jsFunction);
}
constants {
#C1 = null
}

3
pkg/front_end/testcases/dartdevc/js_interop_transforms/functiontojs.dart.textual_outline.expect Normal file
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import 'dart:js_interop';
void main() {}

3
pkg/front_end/testcases/dartdevc/js_interop_transforms/functiontojs.dart.textual_outline_modelled.expect Normal file
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@ -0,0 +1,3 @@
import 'dart:js_interop';
void main() {}