pkgs/ffigen/test/header_parser_tests/nested_parsing_test.dart

// Copyright (c) 2020, 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:ffigen/src/code_generator.dart';
import 'package:ffigen/src/header_parser.dart' as parser;
import 'package:ffigen/src/strings.dart' as strings;
import 'package:test/test.dart';

import '../test_utils.dart';

late Library actual, expected;

void main() {
  group('nested_parsing_test', () {
    setUpAll(() {
      final context = testContext(
        testConfig('''
${strings.name}: 'NativeLibrary'
${strings.description}: 'Nested Parsing Test'
${strings.output}: 'unused'
${strings.headers}:
  ${strings.entryPoints}:
    - '${absPath('test/header_parser_tests/nested_parsing.h')}'
${strings.structs}:
  ${strings.exclude}:
    - Struct2
        '''),
      );
      expected = expectedLibrary();
      actual = parser.parse(context);
    });

    test('Total bindings count', () {
      expect(actual.bindings.length, expected.bindings.length);
    });

    test('Struct1', () {
      expect(
        actual.getBindingAsString('Struct1'),
        expected.getBindingAsString('Struct1'),
      );
    });
    test('Struct2', () {
      expect(
        actual.getBindingAsString('Struct2'),
        expected.getBindingAsString('Struct2'),
      );
    });
    test('Struct3', () {
      expect(
        actual.getBindingAsString('Struct3'),
        expected.getBindingAsString('Struct3'),
      );
    });
    test('Struct4', () {
      expect(
        actual.getBindingAsString('Struct4'),
        expected.getBindingAsString('Struct4'),
      );
    });
    test('Struct5', () {
      expect(
        actual.getBindingAsString('Struct5'),
        expected.getBindingAsString('Struct5'),
      );
    });
    test('Struct6', () {
      expect(
        actual.getBindingAsString('Struct6'),
        expected.getBindingAsString('Struct6'),
      );
    });
  });
}

Library expectedLibrary() {
  final context = testContext();
  final struct2 = Struct(
    context: context,
    name: 'Struct2',
    members: [
      CompoundMember(name: 'e', type: intType),
      CompoundMember(name: 'f', type: intType),
    ],
  );
  final unnamedInternalStruct = Struct(
    context: context,
    name: 'UnnamedStruct',
    members: [
      CompoundMember(name: 'a', type: intType),
      CompoundMember(name: 'b', type: intType),
    ],
  );
  final unnamedUnion1 = Union(
    context: context,
    name: 'UnnamedUnion',
    members: [CompoundMember(name: 'a', type: floatType)],
  );
  final unnamedUnion2 = Union(
    context: context,
    name: 'UnnamedUnion\$1',
    members: [CompoundMember(name: 'b', type: floatType)],
  );
  final unnamedUnion3 = Union(
    context: context,
    name: 'UnnamedUnion\$2',
    members: [CompoundMember(name: 'd', type: floatType)],
  );
  return Library(
    context: context,
    bindings: [
      unnamedInternalStruct,
      unnamedUnion1,
      unnamedUnion2,
      unnamedUnion3,
      struct2,
      Struct(
        context: context,
        name: 'Struct1',
        members: [
          CompoundMember(name: 'a', type: intType),
          CompoundMember(name: 'b', type: intType),
          CompoundMember(name: 'struct2', type: PointerType(struct2)),
        ],
      ),
      Struct(
        context: context,
        name: 'Struct3',
        members: [
          CompoundMember(name: 'a', type: intType),
          CompoundMember(name: 'b', type: unnamedInternalStruct),
        ],
      ),
      Struct(context: context, name: 'EmptyStruct'),
      Struct(context: context, name: 'Struct4'),
      Struct(context: context, name: 'Struct5'),
      Struct(
        context: context,
        name: 'Struct6',
        members: [
          CompoundMember(name: 'unnamed', type: unnamedUnion1),
          CompoundMember(name: 'c', type: unnamedUnion2),
          CompoundMember(name: 'e', type: unnamedUnion3),
        ],
      ),
    ],
  )..forceFillNamesForTesting();
}