blob: 20e3b57d897552e07335c669bee2cc091fbada2d [file] [log] [blame]
// Copyright (c) 2017, 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.
import 'package:kernel/ast.dart'
show EmptyStatement, Component, ReturnStatement, StaticInvocation;
import 'package:test/test.dart'
show
expect,
greaterThan,
group,
isEmpty,
isNotEmpty,
isNotNull,
isTrue,
same,
test;
import 'package:front_end/src/api_prototype/front_end.dart'
show CompilerOptions;
import 'package:front_end/src/fasta/fasta_codes.dart' show messageMissingMain;
import 'package:front_end/src/fasta/kernel/utils.dart' show serializeComponent;
import 'package:front_end/src/testing/compiler_common.dart'
show
compileScript,
compileUnit,
findLibrary,
invalidCoreLibsSpecUri,
isDartCoreLibrary;
main() {
group('kernelForProgram', () {
test('compiler fails if it cannot find sdk sources', () async {
var errors = [];
var options = new CompilerOptions()
..librariesSpecificationUri = invalidCoreLibsSpecUri
..sdkSummary = null
..compileSdk = true // To prevent FE from loading an sdk-summary.
..onDiagnostic = errors.add;
Component component =
(await compileScript('main() => print("hi");', options: options))
?.component;
expect(component, isNotNull);
expect(errors, isNotEmpty);
});
test('compiler fails if it cannot find sdk summary', () async {
var errors = [];
var options = new CompilerOptions()
..sdkSummary =
Uri.parse('org-dartlang-test:///not_existing_summary_file')
..onDiagnostic = errors.add;
Component component =
(await compileScript('main() => print("hi");', options: options))
?.component;
expect(component, isNotNull);
expect(errors, isNotEmpty);
});
test('by default component is compiled using the full platform file',
() async {
var options = new CompilerOptions()
// Note: we define [librariesSpecificationUri] with a specification that
// contains broken URIs to ensure we do not attempt to lookup for
// sources of the sdk directly.
..librariesSpecificationUri = invalidCoreLibsSpecUri;
Component component =
(await compileScript('main() => print("hi");', options: options))
?.component;
var core = component.libraries.firstWhere(isDartCoreLibrary);
var printMember = core.members.firstWhere((m) => m.name.text == 'print');
// Note: summaries created by the SDK today contain empty statements as
// method bodies.
expect(printMember.function.body is! EmptyStatement, isTrue);
});
test('compiler requires a main method', () async {
var errors = [];
var options = new CompilerOptions()..onDiagnostic = errors.add;
await compileScript('a() => print("hi");', options: options);
expect(errors.first.message, messageMissingMain.message);
});
test('generated program contains source-info', () async {
Component component = (await compileScript(
'a() => print("hi"); main() {}',
fileName: 'a.dart'))
?.component;
// Kernel always store an empty '' key in the map, so there is always at
// least one. Having more means that source-info is added.
expect(component.uriToSource.keys.length, greaterThan(1));
expect(
component.uriToSource[Uri.parse('org-dartlang-test:///a/b/c/a.dart')],
isNotNull);
});
// TODO(sigmund): add tests discovering libraries.json
});
group('kernelForComponent', () {
test('compiler does not require a main method', () async {
var errors = [];
var options = new CompilerOptions()..onDiagnostic = errors.add;
await compileUnit(['a.dart'], {'a.dart': 'a() => print("hi");'},
options: options);
expect(errors, isEmpty);
});
test('compiler is not hermetic by default', () async {
var errors = [];
var options = new CompilerOptions()..onDiagnostic = errors.add;
await compileUnit([
'a.dart'
], {
'a.dart': 'import "b.dart"; a() => print("hi");',
'b.dart': ''
}, options: options);
expect(errors, isEmpty);
});
test('dependencies can be loaded in any order', () async {
var sources = <String, dynamic>{
'a.dart': 'a() => print("hi");',
'b.dart': 'import "a.dart"; b() => a();',
'c.dart': 'import "b.dart"; c() => b();',
'd.dart': 'import "c.dart"; d() => c();',
};
var unitA = await compileUnit(['a.dart'], sources);
// Pretend that the compiled code is a summary
sources['a.dill'] = serializeComponent(unitA);
var unitBC = await compileUnit(['b.dart', 'c.dart'], sources,
additionalDills: ['a.dill']);
// Pretend that the compiled code is a summary
sources['bc.dill'] = serializeComponent(unitBC);
void checkDCallsC(Component component) {
var dLib = findLibrary(component, 'd.dart');
var cLib = findLibrary(component, 'c.dart');
var dMethod = dLib.procedures.first;
var dBody = dMethod.function.body;
var dCall = (dBody as ReturnStatement).expression;
var callTarget =
(dCall as StaticInvocation).targetReference.asProcedure;
expect(callTarget, same(cLib.procedures.first));
}
var unitD1 = await compileUnit(['d.dart'], sources,
additionalDills: ['a.dill', 'bc.dill']);
checkDCallsC(unitD1);
var unitD2 = await compileUnit(['d.dart'], sources,
additionalDills: ['bc.dill', 'a.dill']);
checkDCallsC(unitD2);
});
// TODO(sigmund): add tests with trimming dependencies
});
}