Stephen Adams
f0be731480
Improved inferrer to handle some cases of JS-fragments. The JS-fragment to copy the array caused the inferrer to be too pessimistic about list-tracing into List.of. Change-Id: I0cb4f7610d971d7927d973bd2b0b532d4cef9a7e Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/173883 Commit-Queue: Stephen Adams <sra@google.com> Reviewed-by: Mayank Patke <fishythefish@google.com>
61 lines
1.4 KiB
Dart
61 lines
1.4 KiB
Dart
// Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// Test effect of NativeBehavior on list tracing.
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/// ignore: IMPORT_INTERNAL_LIBRARY
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import 'dart:_foreign_helper' show JS;
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/*member: main:[null]*/
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main() {
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test1();
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test2();
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test3();
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test4();
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}
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/*member: test1:[null]*/
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test1() {
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var list = [42];
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JS('', '#', list); // '#' is by default a no-op.
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witness1(list);
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}
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/*member: witness1:[null]*/
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witness1(
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/*Container([exact=JSExtendableArray], element: [exact=JSUInt31], length: 1)*/ x) {}
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/*member: test2:[null]*/
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test2() {
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var list = [42];
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JS('effects:all;depends:all', '#', list);
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witness2(list);
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}
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/*member: witness2:[null]*/
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witness2(
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/*Container([exact=JSExtendableArray], element: [null|subclass=Object], length: null)*/ x) {}
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/*member: test3:[null]*/
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test3() {
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var list = [42];
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JS('', '#.slice(0)', list);
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witness3(list);
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}
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/*member: witness3:[null]*/
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witness3(
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/*Container([exact=JSExtendableArray], element: [null|subclass=Object], length: null)*/ x) {}
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/*member: test4:[null]*/
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test4() {
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var list = [42];
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JS('effects:none;depends:all', '#.slice(0)', list);
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witness4(list);
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}
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/*member: witness4:[null]*/
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witness4(
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/*Container([exact=JSExtendableArray], element: [exact=JSUInt31], length: 1)*/ x) {}
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