pkg/analyzer/test/src/dart/resolution/language_version_test.dart

// Copyright (c) 2019, 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:analyzer/src/context/packages.dart';
import 'package:analyzer/src/dart/analysis/experiments.dart';
import 'package:analyzer/src/generated/engine.dart';
import 'package:test_reflective_loader/test_reflective_loader.dart';

import 'driver_resolution.dart';

main() {
  defineReflectiveSuite(() {
    defineReflectiveTests(DefaultNonNullableTest);
  });
}

@reflectiveTest
class DefaultNonNullableTest extends DriverResolutionTest {
  @override
  AnalysisOptionsImpl get analysisOptions =>
      AnalysisOptionsImpl()..enabledExperiments = [EnableString.non_nullable];

  @override
  bool get typeToStringWithNullability => true;

  test_jsonConfig_legacyContext_nonNullDependency() async {
    newFile('/test/.dart_tool/package_config.json', content: '''
{
  "configVersion": 2,
  "packages": [
    {
      "name": "test",
      "rootUri": "../",
      "packageUri": "lib/",
      "languageVersion": "2.7"
    },
    {
      "name": "aaa",
      "rootUri": "${toUriStr('/aaa')}",
      "packageUri": "lib/"
    }
  ]
}
''');
    driver.configure(
      packages: findPackagesFrom(
        resourceProvider,
        getFolder('/test'),
      ),
    );

    newFile('/aaa/lib/a.dart', content: r'''
int a = 0;
''');

    await assertNoErrorsInCode('''
import 'dart:math';
import 'package:aaa/a.dart';

var x = 0;
var y = a;
var z = PI;
''');
    assertType(findElement.topVar('x').type, 'int*');
    assertType(findElement.topVar('y').type, 'int*');
    assertType(findElement.topVar('z').type, 'double*');
  }

  test_jsonConfig_nonNullContext_legacyDependency() async {
    newFile('/test/.dart_tool/package_config.json', content: '''
{
  "configVersion": 2,
  "packages": [
    {
      "name": "test",
      "rootUri": "../",
      "packageUri": "lib/"
    },
    {
      "name": "aaa",
      "rootUri": "${toUriStr('/aaa')}",
      "packageUri": "lib/",
      "languageVersion": "2.7"
    }
  ]
}
''');
    driver.configure(
      packages: findPackagesFrom(
        resourceProvider,
        getFolder('/test'),
      ),
    );

    newFile('/aaa/lib/a.dart', content: r'''
int a = 0;
''');

    await assertNoErrorsInCode('''
import 'dart:math';
import 'package:aaa/a.dart';

var x = 0;
var y = a;
var z = PI;
''');
    assertType(findElement.topVar('x').type, 'int');
    assertType(findElement.topVar('y').type, 'int*');
    assertType(findElement.topVar('z').type, 'double');
  }
}