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![Leaf Petersen](/assets/img/avatar_default.png)
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548 Reviewed-by: Bob Nystrom <rnystrom@google.com> Commit-Queue: Leaf Petersen <leafp@google.com>
93 lines
2.4 KiB
Dart
93 lines
2.4 KiB
Dart
// Copyright (c) 2021, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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//
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// SharedObjects=ffi_test_functions
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// @dart = 2.9
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import 'dart:ffi';
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import "package:expect/expect.dart";
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import 'package:ffi/ffi.dart';
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// Reuse struct definitions.
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import 'function_structs_by_value_generated_test.dart';
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void main() {
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testSizeOf();
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testLoad();
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testStore();
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testToString();
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testRange();
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}
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void testSizeOf() {
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Expect.equals(8, sizeOf<Struct8BytesInlineArrayInt>());
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Expect.equals(10, sizeOf<StructInlineArrayIrregular>());
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Expect.equals(4008, sizeOf<StructInlineArrayBig>());
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}
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// Only tests with Pointer as backing store.
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void testLoad() {
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final pointer = calloc<Struct8BytesInlineArrayInt>();
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final struct = pointer.ref;
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final array = struct.a0;
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pointer.cast<Uint8>()[0] = 42;
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pointer.cast<Uint8>()[7] = 3;
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Expect.equals(42, array[0]);
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Expect.equals(3, array[7]);
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calloc.free(pointer);
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}
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// Only tests with Pointer as backing store.
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void testStore() {
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final pointer = calloc<Struct8BytesInlineArrayInt>();
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pointer.cast<Uint8>()[0] = 42;
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pointer.cast<Uint8>()[7] = 3;
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final pointer2 = calloc<Struct8BytesInlineArrayInt>();
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pointer2.ref.a0 = pointer.ref.a0;
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Expect.equals(42, pointer2.ref.a0[0]);
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Expect.equals(3, pointer2.ref.a0[7]);
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calloc.free(pointer);
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calloc.free(pointer2);
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}
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// Tests the toString of the test generator.
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void testToString() {
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final pointer = calloc<Struct8BytesInlineArrayInt>();
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final struct = pointer.ref;
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final array = struct.a0;
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for (var i = 0; i < 8; i++) {
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array[i] = i;
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}
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Expect.equals("([0, 1, 2, 3, 4, 5, 6, 7])", struct.toString());
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calloc.free(pointer);
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final pointer2 = calloc<StructInlineArrayIrregular>();
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final struct2 = pointer2.ref;
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struct2.a0[0].a0 = 0;
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struct2.a0[0].a1 = 1;
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struct2.a0[1].a0 = 2;
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struct2.a0[1].a1 = 3;
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struct2.a1 = 4;
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print(struct2);
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Expect.equals("([(0, 1), (2, 3)], 4)", struct2.toString());
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calloc.free(pointer2);
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}
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void testRange() {
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final pointer = calloc<Struct8BytesInlineArrayInt>();
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final struct = pointer.ref;
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final array = struct.a0;
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array[0] = 1;
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Expect.equals(1, array[0]);
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array[7] = 7;
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Expect.equals(7, array[7]);
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Expect.throws(() => array[-1]);
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Expect.throws(() => array[-1] = 0);
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Expect.throws(() => array[8]);
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Expect.throws(() => array[8] = 0);
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calloc.free(pointer);
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}
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