| // Copyright (c) 2021, 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. |
| |
| /// @assertion |
| /// const Array<T extends NativeType>( |
| /// int dimension1, |
| /// [int dimension2, |
| /// int dimension3, |
| /// int dimension4, |
| /// int dimension5] |
| /// ) |
| /// Const constructor to specify Array dimensions in Structs. |
| /// |
| /// class MyStruct extends Struct { |
| /// @Array(8) |
| /// external Array<Uint8> inlineArray; |
| /// |
| /// @Array(2, 2, 2) |
| /// external Array<Array<Array<Uint8>>> threeDimensionalInlineArray; |
| /// } |
| /// Do not invoke in normal code. |
| /// |
| /// @description Checks that this class represents a fixed-size array of Int64 |
| /// @author sgrekhov@unipro.ru |
| |
| import "dart:ffi"; |
| import "package:ffi/ffi.dart"; |
| import "../../../Utils/expect.dart"; |
| |
| class MyStruct extends Struct { |
| @Array(2) |
| external Array<Int64> a0; |
| } |
| |
| void main() { |
| final pointer = calloc<MyStruct>(); |
| try { |
| final array = pointer.ref.a0; |
| for (int i = 0; i < 2; i++) { |
| Expect.equals(0, array[i]); |
| array[i] = 42; |
| Expect.equals(42, array[i]); |
| array[i] = -42; |
| Expect.equals(-42, array[i]); |
| array[i] = 32768; |
| Expect.equals(32768, array[i]); |
| array[i] = -32768; |
| Expect.equals(-32768, array[i]); |
| array[i] = 2147483648; |
| Expect.equals(2147483648, array[i]); |
| array[i] = -2147483649; |
| Expect.equals(-2147483649, array[i]); |
| array[i] = 0x7FFFFFFFFFFFFFFF; |
| Expect.equals(9223372036854775807, array[i]); |
| array[i] = 0xFFFFFFFFFFFFFFFF; |
| Expect.equals(-1, array[i]); |
| array[i] = -9223372036854775808; |
| Expect.equals(-9223372036854775808, array[i]); |
| } |
| } finally { |
| calloc.free(pointer); |
| } |
| } |