#993. IntPtr tests added

LibTest/ffi/IntPtr/IntPtr_A01_t01.dart

@@ -0,0 +1,44 @@
+/*
+ * 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 Represents a native pointer-sized integer in C.
+ *
+ * @description Checks that this represents a native pointer-sized integer in C.
+ * @author sgrekhov@unipro.ru
+ */
+import "dart:ffi";
+import "../ffi_utils.dart";
+import "../../../Utils/expect.dart";
+
+void main() {
+  Pointer<IntPtr> p1 = calloc<IntPtr>();
+  try {
+    Expect.equals(0, p1.value);
+    p1.value = 42;
+    Expect.equals(42, p1.value);
+    p1.value = -42;
+    Expect.equals(-42, p1.value);
+    p1.value = 256;
+    Expect.equals(256, p1.value);
+    p1.value = 32767;
+    Expect.equals(32767, p1.value);
+    if (sizeOf<IntPtr>() == 4) {
+      p1.value = 32768;
+      Expect.equals(-32768, p1.value);
+      p1.value = -32768;
+      Expect.equals(-32768, p1.value);
+      p1.value = -32769;
+      Expect.equals(32767, p1.value);
+    } else {
+      p1.value = 32768;
+      Expect.equals(32768, p1.value);
+      p1.value = -32769;
+      Expect.equals(-32769, p1.value);
+    }
+  } finally {
+    calloc.free(p1);
+  }
+}

LibTest/ffi/IntPtr/IntPtr_A01_t02.dart

@@ -0,0 +1,60 @@
+/*
+ * 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 Represents a native pointer-sized integer in C.
+ *
+ * @description Checks that this represents a native pointer-sized integer in C.
+ * @author sgrekhov@unipro.ru
+ */
+import "dart:ffi";
+import "../ffi_utils.dart";
+import "../../../Utils/expect.dart";
+
+void main() {
+  Pointer<IntPtr> p1 = calloc<IntPtr>();
+  try {
+    if (sizeOf<IntPtr>() == 4) {
+      Pointer<Int32> p2 = new Pointer<Int32>.fromAddress(p1.address);
+      p2.value = 42;
+      Expect.equals(42, p1.value);
+      p2.value = -42;
+      Expect.equals(-42, p1.value);
+      p2.value = 32768;
+      Expect.equals(32768, p1.value);
+      p2.value = -32768;
+      Expect.equals(-32768, p1.value);
+      p2.value = 2147483647;
+      Expect.equals(2147483647, p1.value);
+      p2.value = 2147483648;
+      Expect.equals(-2147483648, p1.value);
+      p2.value = -2147483649;
+      Expect.equals(2147483647, p1.value);
+    } else {
+      Pointer<Int64> p2 = new Pointer<Int64>.fromAddress(p1.address);
+      Expect.equals(0, p1.value);
+      p2.value = 42;
+      Expect.equals(42, p1.value);
+      p2.value = -42;
+      Expect.equals(-42, p1.value);
+      p2.value = 32768;
+      Expect.equals(32768, p1.value);
+      p2.value = -32768;
+      Expect.equals(-32768, p1.value);
+      p2.value = 2147483648;
+      Expect.equals(2147483648, p1.value);
+      p2.value = -2147483649;
+      Expect.equals(-2147483649, p1.value);
+      p2.value = 0x7FFFFFFFFFFFFFFF;
+      Expect.equals(9223372036854775807, p1.value);
+      p2.value = 0xFFFFFFFFFFFFFFFF;
+      Expect.equals(-1, p1.value);
+      p2.value = -9223372036854775808;
+      Expect.equals(-9223372036854775808, p1.value);
+    }
+  } finally {
+    calloc.free(p1);
+  }
+}

LibTest/ffi/IntPtr/IntPtr_A01_t03.dart

@@ -0,0 +1,29 @@
+/*
+ * 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 Represents a native pointer-sized integer in C.
+ *
+ * @description Checks that this represents a native pointer-sized integer in C.
+ * @author sgrekhov@unipro.ru
+ */
+import "dart:ffi";
+import "../ffi_utils.dart";
+import "../../../Utils/expect.dart";
+
+void main() {
+  Pointer<IntPtr> p1 = calloc<IntPtr>(3);
+  try {
+    if (sizeOf<IntPtr>() == 4) {
+      Expect.equals(4, p1.elementAt(1).address - p1.address);
+      Expect.equals(4, p1.elementAt(2).address - p1.elementAt(1).address);
+    } else {
+      Expect.equals(8, p1.elementAt(1).address - p1.address);
+      Expect.equals(8, p1.elementAt(2).address - p1.elementAt(1).address);
+    }
+  } finally {
+    calloc.free(p1);
+  }
+}

LibTest/ffi/sizeOf/sizeOf_A01_t03.dart

@@ -29,5 +29,15 @@ void main() {
   sizeOf<NativeFunction>();
 //^^^^^^^^^^^^^^^^^^^^^^^^
 // [analyzer] unspecified
+// [cfe] unspecified
+
+  sizeOf<Opaque>();
+//^^^^^^^^^^^^^^^^
+// [analyzer] unspecified
+// [cfe] unspecified
+
+  sizeOf<Array>();
+//^^^^^^^^^^^^^^^
+// [analyzer] unspecified
 // [cfe] unspecified
 }

LibTest/ffi/sizeOf/sizeOf_A01_t04.dart

@@ -0,0 +1,21 @@
+/*
+ * 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 int sizeOf <T extends NativeType>()
+ *  Number of bytes used by native type T.
+ *
+ *  Includes padding and alignment of structs.
+ *
+ * @description Checks that this function returns Number of bytes used by native
+ * type T
+ * @author sgrekhov@unipro.ru
+ */
+import "dart:ffi";
+import '../../../Utils/expect.dart';
+
+void main() {
+  Expect.isTrue(sizeOf<IntPtr>() == 4 || sizeOf<IntPtr>() == 8);
+}