Sam Rawlins
18bc70b898
Bug: https://github.com/dart-lang/sdk/issues/44569 Change-Id: Iacb5553755af38e931431cb5aa4e3495cd34539f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/190602 Reviewed-by: Sigmund Cherem <sigmund@google.com> Commit-Queue: Samuel Rawlins <srawlins@google.com>
99 lines
3.4 KiB
Dart
99 lines
3.4 KiB
Dart
// Copyright (c) 2015, 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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// @dart = 2.7
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import 'package:expect/expect.dart';
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import 'package:async_helper/async_helper.dart';
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import 'package:compiler/src/compiler.dart';
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import 'package:compiler/src/commandline_options.dart';
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import 'package:compiler/src/elements/entities.dart';
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import 'package:compiler/src/inferrer/abstract_value_domain.dart';
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import 'package:compiler/src/world.dart' show JClosedWorld;
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import '../inference/type_mask_test_helper.dart';
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import '../helpers/memory_compiler.dart';
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const Map<String, String> MEMORY_SOURCE_FILES = const {
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'main.dart': r"""
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import 'package:expect/expect.dart';
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int method(String arg) => arg.length;
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@pragma('dart2js:assumeDynamic')
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int methodAssumeDynamic(String arg) => arg.length;
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@pragma('dart2js:noInline')
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int methodNoInline(String arg) => arg.length;
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void main(List<String> args) {
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print(method(args[0]));
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print(methodAssumeDynamic('foo'));
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print(methodNoInline('bar'));
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}
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"""
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};
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main() {
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asyncTest(() async {
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await runTest();
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});
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}
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runTest() async {
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CompilationResult result = await runCompiler(
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memorySourceFiles: MEMORY_SOURCE_FILES, options: [Flags.testMode]);
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Compiler compiler = result.compiler;
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JClosedWorld closedWorld = compiler.backendClosedWorldForTesting;
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AbstractValueDomain commonMasks = closedWorld.abstractValueDomain;
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Expect.isFalse(compiler.compilationFailed, 'Unsuccessful compilation');
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void testTypeMatch(
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FunctionEntity function,
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AbstractValue expectedParameterType,
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AbstractValue expectedReturnType,
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GlobalTypeInferenceResults results) {
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closedWorld.elementEnvironment.forEachParameterAsLocal(
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results.globalLocalsMap, function, (Local parameter) {
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AbstractValue type = results.resultOfParameter(parameter);
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Expect.equals(
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expectedParameterType, simplify(type, commonMasks), "$parameter");
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});
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if (expectedReturnType != null) {
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AbstractValue type = results.resultOfMember(function).returnType;
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Expect.equals(
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expectedReturnType, simplify(type, commonMasks), "$function");
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}
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}
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void test(String name,
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{bool expectNoInline: false,
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AbstractValue expectedParameterType: null,
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AbstractValue expectedReturnType: null,
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bool expectAssumeDynamic: false}) {
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LibraryEntity mainApp = closedWorld.elementEnvironment.mainLibrary;
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FunctionEntity method =
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closedWorld.elementEnvironment.lookupLibraryMember(mainApp, name);
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Expect.isNotNull(method);
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Expect.equals(
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expectNoInline,
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closedWorld.annotationsData.hasNoInline(method),
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"Unexpected annotation of @pragma('dart2js:noInline') on '$method'.");
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Expect.equals(
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expectAssumeDynamic,
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closedWorld.annotationsData.hasAssumeDynamic(method),
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"Unexpected annotation of @pragma('dart2js:assumeDynamic') on "
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"'$method'.");
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GlobalTypeInferenceResults results =
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compiler.globalInference.resultsForTesting;
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if (expectAssumeDynamic) {
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testTypeMatch(
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method, closedWorld.abstractValueDomain.dynamicType, null, results);
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}
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}
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test('method');
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test('methodAssumeDynamic', expectAssumeDynamic: true);
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test('methodNoInline', expectNoInline: true);
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}
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