#993. Pointer.cast() tests added

LibTest/ffi/Pointer/cast_A01_t01.dart

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+/*
+ * 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 Pointer<U> cast <U extends NativeType>()
+ *  Cast Pointer to a Pointer.
+ *
+ * @description Checks that this method casts Pointer to a Pointer
+ * @author sgrekhov@unipro.ru
+ */
+import "dart:ffi";
+import '../ffi_utils.dart';
+import '../../../Utils/expect.dart';
+
+void main() {
+  Pointer<Int16> p1 = calloc<Int16>();
+  try {
+    Pointer<Int8> p2 = new Pointer.fromAddress(p1.address);
+    p1.value = 256;
+    Expect.equals(0, p2.value);
+    var p3 = p2.cast<Int16>();
+    Expect.equals(256, p3.value);
+  } finally {
+    calloc.free(p1);
+  }
+}

LibTest/ffi/Pointer/cast_A01_t02.dart

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+/*
+ * 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 Pointer<U> cast <U extends NativeType>()
+ *  Cast Pointer to a Pointer.
+ *
+ * @description Checks that this method casts Pointer to a Pointer
+ * @author sgrekhov@unipro.ru
+ */
+import "dart:ffi";
+import '../ffi_utils.dart';
+import '../../../Utils/expect.dart';
+
+void main() {
+  Pointer<Int8> p1 = calloc<Int8>();
+  try {
+    Pointer<Int16> p2 = new Pointer.fromAddress(p1.address);
+    p2.value = 256;
+    Expect.equals(0, p1.value);
+    var p3 = p2.cast<Int8>();
+    Expect.equals(0, p3.value);
+  } finally {
+    calloc.free(p1);
+  }
+}

LibTest/ffi/Pointer/cast_A01_t03.dart

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+/*
+ * 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 Pointer<U> cast <U extends NativeType>()
+ *  Cast Pointer to a Pointer.
+ *
+ * @description Checks that this method casts Pointer to a Pointer
+ * @author sgrekhov@unipro.ru
+ */
+import "dart:ffi";
+import '../ffi_utils.dart';
+import '../../../Utils/expect.dart';
+
+void main() {
+  Pointer<Int16> p1 = calloc<Int16>();
+  try {
+    Pointer<Void> p2 = new Pointer.fromAddress(p1.address);
+    p1.value = 256;
+    var p3 = p2.cast<Int8>();
+    Expect.equals(0, p3.value);
+  } finally {
+    calloc.free(p1);
+  }
+}

LibTest/ffi/Pointer/cast_A01_t04.dart

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+/*
+ * 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 Pointer<U> cast <U extends NativeType>()
+ *  Cast Pointer to a Pointer.
+ *
+ * @description Checks that this method casts Pointer to a Pointer
+ * @author sgrekhov@unipro.ru
+ * @issue 45149
+ */
+import "dart:ffi";
+import '../ffi_utils.dart';
+import '../../../Utils/expect.dart';
+
+void main() {
+  Pointer<Int16> p1 = calloc<Int16>();
+  try {
+    Pointer<Opaque> p2 = new Pointer.fromAddress(p1.address);
+    p1.value = 256;
+    var p3 = p2.cast<Int8>();
+    Expect.equals(0, p3.value);
+  } finally {
+    calloc.free(p1);
+  }
+}

LibTest/ffi/Pointer/cast_A01_t05.dart

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+/*
+ * 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 Pointer<U> cast <U extends NativeType>()
+ *  Cast Pointer to a Pointer.
+ *
+ * @description Checks that this method casts Pointer to a Pointer
+ * @author sgrekhov@unipro.ru
+ * @issue 45149
+ */
+import "dart:ffi";
+import '../ffi_utils.dart';
+import '../../../Utils/expect.dart';
+
+void main() {
+  Pointer<Int16> p1 = calloc<Int16>();
+  try {
+    Pointer<Handle> p2 = new Pointer.fromAddress(p1.address);
+    p1.value = 256;
+    var p3 = p2.cast<Int8>();
+    Expect.equals(0, p3.value);
+  } finally {
+    calloc.free(p1);
+  }
+}

LibTest/ffi/Pointer/cast_A01_t06.dart

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+/*
+ * 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 Pointer<U> cast <U extends NativeType>()
+ *  Cast Pointer to a Pointer.
+ *
+ * @description Checks that this method casts Pointer to a Pointer
+ * @author sgrekhov@unipro.ru
+ */
+import "dart:ffi";
+import '../ffi_utils.dart';
+import '../../../Utils/expect.dart';
+
+void main() {
+  Pointer<Int16> p1 = calloc<Int16>();
+  try {
+    Pointer<Array<Int16>> p2 = new Pointer.fromAddress(p1.address);
+    p1.value = 256;
+    var p3 = p2.cast<Int8>();
+    Expect.equals(0, p3.value);
+  } finally {
+    calloc.free(p1);
+  }
+}

LibTest/ffi/Pointer/cast_A01_t07.dart

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+/*
+ * 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 Pointer<U> cast <U extends NativeType>()
+ *  Cast Pointer to a Pointer.
+ *
+ * @description Checks that this method casts Pointer to a Pointer
+ * @author sgrekhov@unipro.ru
+ */
+import "dart:ffi";
+import '../ffi_utils.dart';
+import '../../../Utils/expect.dart';
+
+void main() {
+  Pointer<Int16> p1 = calloc<Int16>();
+  try {
+    Pointer<Double> p2 = new Pointer.fromAddress(p1.address);
+    p1.value = 256;
+    var p3 = p2.cast<Int8>();
+    Expect.equals(0, p3.value);
+  } finally {
+    calloc.free(p1);
+  }
+}

LibTest/ffi/Pointer/cast_A01_t08.dart

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+/*
+ * 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 Pointer<U> cast <U extends NativeType>()
+ *  Cast Pointer to a Pointer.
+ *
+ * @description Checks that this method casts Pointer to a Pointer
+ * @author sgrekhov@unipro.ru
+ */
+import "dart:ffi";
+import '../ffi_utils.dart';
+import '../../../Utils/expect.dart';
+
+void main() {
+  Pointer<Int16> p1 = calloc<Int16>();
+  try {
+    Pointer<NativeType> p2 = new Pointer.fromAddress(p1.address);
+    p1.value = 256;
+    var p3 = p2.cast<Int8>();
+    Expect.equals(0, p3.value);
+  } finally {
+    calloc.free(p1);
+  }
+}

LibTest/ffi/Pointer/cast_A01_t09.dart

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+/*
+ * 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 Pointer<U> cast <U extends NativeType>()
+ *  Cast Pointer to a Pointer.
+ *
+ * @description Checks that this method casts Pointer to a Pointer
+ * @author sgrekhov@unipro.ru
+ */
+import "dart:ffi";
+import '../ffi_utils.dart';
+import '../../../Utils/expect.dart';
+
+void main() {
+  Pointer<Int16> p1 = calloc<Int16>();
+  try {
+    Pointer<NativeFunction> p2 = new Pointer.fromAddress(p1.address);
+    p1.value = 256;
+    var p3 = p2.cast<Int8>();
+    Expect.equals(0, p3.value);
+  } finally {
+    calloc.free(p1);
+  }
+}

LibTest/ffi/Pointer/cast_A01_t10.dart

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+/*
+ * 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 Pointer<U> cast <U extends NativeType>()
+ *  Cast Pointer to a Pointer.
+ *
+ * @description Checks that this method casts Pointer to a Pointer
+ * @author sgrekhov@unipro.ru
+ */
+import "dart:ffi";
+import '../ffi_utils.dart';
+import '../../../Utils/expect.dart';
+
+void main() {
+  Pointer<Int16> p1 = calloc<Int16>();
+  try {
+    Pointer<Pointer> p2 = new Pointer.fromAddress(p1.address);
+    p1.value = 256;
+    var p3 = p2.cast<Int8>();
+    Expect.equals(0, p3.value);
+  } finally {
+    calloc.free(p1);
+  }
+}

LibTest/ffi/Pointer/cast_A01_t11.dart

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+/*
+ * 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 Pointer<U> cast <U extends NativeType>()
+ *  Cast Pointer to a Pointer.
+ *
+ * @description Checks that this method casts Pointer to a Pointer
+ * @author sgrekhov@unipro.ru
+ */
+import "dart:ffi";
+import '../ffi_utils.dart';
+import '../../../Utils/expect.dart';
+
+void main() {
+  Pointer<Int16> p1 = calloc<Int16>();
+  try {
+    Pointer<Struct> p2 = new Pointer.fromAddress(p1.address);
+    p1.value = 256;
+    var p3 = p2.cast<Int8>();
+    Expect.equals(0, p3.value);
+  } finally {
+    calloc.free(p1);
+  }
+}