pkg/analyzer/test/src/diagnostics/ffi_array_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:test_reflective_loader/test_reflective_loader.dart';

import '../dart/resolution/context_collection_resolution.dart';

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

@reflectiveTest
class InlineArrayTest extends PubPackageResolutionTest {
  test_array_negativeDimension() async {
    await resolveTestCodeWithDiagnostics(r'''
import 'dart:ffi';

final class MyStruct extends Struct {
  @Array(-1)
//       ^^
// [diag.nonPositiveArrayDimension] Array dimensions must be positive numbers.
  external Array<Int8> arr;
}
''');
  }

  test_array_positiveDimension() async {
    await resolveTestCodeWithDiagnostics(r'''
import 'dart:ffi';

final class MyStruct extends Struct {
  @Array(1)
  external Array<Int8> arr;
}
''');
  }

  test_array_zeroDimension() async {
    await resolveTestCodeWithDiagnostics(r'''
import 'dart:ffi';

final class MyStruct extends Struct {
  @Array(0)
//       ^
// [diag.nonPositiveArrayDimension] Array dimensions must be positive numbers.
  external Array<Int8> arr;
}
''');
  }

  test_multi_negativeDimension() async {
    await resolveTestCodeWithDiagnostics(r'''
import 'dart:ffi';

final class MyStruct extends Struct {
  @Array.multi([-2, 2])
//              ^^
// [diag.nonPositiveArrayDimension] Array dimensions must be positive numbers.
  external Array<Array<Int8>> arr;
}
''');
  }

  test_multi_positiveDimension() async {
    await resolveTestCodeWithDiagnostics(r'''
import 'dart:ffi';

final class MyStruct extends Struct {
  @Array.multi([2, 2])
  external Array<Array<Int8>> arr;
}
''');
  }

  test_multi_zeroDimension() async {
    await resolveTestCodeWithDiagnostics(r'''
import 'dart:ffi';

final class MyStruct extends Struct {
  @Array.multi([0, 2])
//              ^
// [diag.nonPositiveArrayDimension] Array dimensions must be positive numbers.
  external Array<Array<Int8>> arr;
}
''');
  }

  test_variable_negativeDimension() async {
    await resolveTestCodeWithDiagnostics(r'''
import 'dart:ffi';

final class MyStruct extends Struct {
  @Array.variable(-1)
//                ^^
// [diag.nonPositiveArrayDimension] Array dimensions must be positive numbers.
  external Array<Array<Int8>> arr;
}
''');
  }

  test_variable_positiveDimension() async {
    await resolveTestCodeWithDiagnostics(r'''
import 'dart:ffi';

final class MyStruct extends Struct {
  @Array.variable(1)
  external Array<Array<Int8>> arr;
}
''');
  }

  test_variable_valid() async {
    await resolveTestCodeWithDiagnostics(r'''
import 'dart:ffi';

final class MyStruct extends Struct {
  @Array.variable()
  external Array<Int8> arr;
}
''');
  }

  test_variable_zeroDimension() async {
    await resolveTestCodeWithDiagnostics(r'''
import 'dart:ffi';

final class MyStruct extends Struct {
  @Array.variable(0)
//                ^
// [diag.nonPositiveArrayDimension] Array dimensions must be positive numbers.
  external Array<Array<Int8>> arr;
}
''');
  }

  test_variableMulti_negativeDimension() async {
    await resolveTestCodeWithDiagnostics(r'''
import 'dart:ffi';

final class MyStruct extends Struct {
  @Array.variableMulti(variableDimension: -1, [2, 2])
//                                        ^^
// [diag.negativeVariableDimension] The variable dimension of a variable-length array must be non-negative.
  external Array<Array<Array<Int8>>> arr;
}
''');
  }

  test_variableMulti_positiveDimension() async {
    await resolveTestCodeWithDiagnostics(r'''
import 'dart:ffi';

final class MyStruct extends Struct {
  @Array.variableMulti(variableDimension: 1, [2, 2])
  external Array<Array<Array<Int8>>> arr;
}
''');
  }

  test_variableMulti_valid() async {
    await resolveTestCodeWithDiagnostics(r'''
import 'dart:ffi';

final class MyStruct extends Struct {
  @Array.variableMulti([2, 2])
  external Array<Array<Array<Int8>>> arr;
}
''');
  }

  test_variableMulti_zeroDimension() async {
    await resolveTestCodeWithDiagnostics(r'''
import 'dart:ffi';

final class MyStruct extends Struct {
  @Array.variableMulti(variableDimension: 0, [2, 2])
  external Array<Array<Array<Int8>>> arr;
}
''');
  }

  test_variableWithVariableDimension_negativeDimension() async {
    await resolveTestCodeWithDiagnostics(r'''
import 'dart:ffi';

final class MyStruct extends Struct {
  @Array.variableWithVariableDimension(-1)
//                                     ^^
// [diag.negativeVariableDimension] The variable dimension of a variable-length array must be non-negative.
  external Array<Int8> arr;
}
''');
  }

  test_variableWithVariableDimension_positiveDimension() async {
    await resolveTestCodeWithDiagnostics(r'''
import 'dart:ffi';

final class MyStruct extends Struct {
  @Array.variableWithVariableDimension(1)
  external Array<Int8> arr;
}
''');
  }

  test_variableWithVariableDimension_zeroDimension() async {
    await resolveTestCodeWithDiagnostics(r'''
import 'dart:ffi';

final class MyStruct extends Struct {
  @Array.variableWithVariableDimension(0)
  external Array<Int8> arr;
}
''');
  }
}