pkg/analyzer/test/src/dart/parser/import_directive_test.dart

// 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.

import 'package:analyzer/src/dart/error/syntactic_errors.dart';
import 'package:test_reflective_loader/test_reflective_loader.dart';

import '../../diagnostics/parser_diagnostics.dart';

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

@reflectiveTest
class ImportDirectiveParserTest extends ParserDiagnosticsTest {
  test_it() {
    var parseResult = parseStringWithErrors(r'''
import 'a.dart';
''');
    parseResult.assertNoErrors();

    var node = parseResult.findNode.singleImportDirective;
    assertParsedNodeText(node, r'''
ImportDirective
  importKeyword: import
  uri: SimpleStringLiteral
    literal: 'a.dart'
  semicolon: ;
''');
  }

  test_noSemicolon() {
    var parseResult = parseStringWithErrors(r'''
import 'a.dart'
''');
    parseResult.assertErrors([
      error(ParserErrorCode.EXPECTED_TOKEN, 7, 8),
    ]);

    var node = parseResult.findNode.singleImportDirective;
    assertParsedNodeText(node, r'''
ImportDirective
  importKeyword: import
  uri: SimpleStringLiteral
    literal: 'a.dart'
  semicolon: ; <synthetic>
''');
  }

  test_noUri_hasSemicolon() {
    var parseResult = parseStringWithErrors(r'''
import ;
''');
    parseResult.assertErrors([
      error(ParserErrorCode.EXPECTED_STRING_LITERAL, 7, 1),
    ]);

    var node = parseResult.findNode.singleImportDirective;
    assertParsedNodeText(node, r'''
ImportDirective
  importKeyword: import
  uri: SimpleStringLiteral
    literal: "" <synthetic>
  semicolon: ;
''');
  }

  test_noUri_noSemicolon() {
    var parseResult = parseStringWithErrors(r'''
import
''');
    parseResult.assertErrors([
      error(ParserErrorCode.EXPECTED_TOKEN, 0, 6),
      error(ParserErrorCode.EXPECTED_STRING_LITERAL, 7, 0),
    ]);

    var node = parseResult.findNode.singleImportDirective;
    assertParsedNodeText(node, r'''
ImportDirective
  importKeyword: import
  uri: SimpleStringLiteral
    literal: "" <synthetic>
  semicolon: ; <synthetic>
''');
  }
}