#993. DynamicLibrary constructors tests added

LibTest/ffi/DartRepresentationOf/DartRepresentationOf_A01_t01.dart

@@ -1,4 +1,4 @@
-  /*
+/*
  * 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.
@@ -21,4 +21,3 @@ void main() {
   Expect.isTrue(o2 is DartRepresentationOf);
   Expect.equals("DartRepresentationOf", o2.runtimeType.toString());
 }
-

LibTest/ffi/Dart_CObject/Dart_CObject_A01_t01.dart

@@ -1,4 +1,4 @@
-  /*
+/*
  * 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.
@@ -17,4 +17,3 @@ void main() {
   Expect.isTrue(o is Dart_CObject);
   Expect.isTrue(o is Opaque);
 }
-

LibTest/ffi/DynamicLibrary/DynamicLibrary.executable_A01_t01.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 DynamicLibrary.executable()
+ *  Creates a dynamic library representing the running executable.
+ *
+ * @description Checks that this constructor creates a dynamic library
+ * representing the running executable
+ * @author sgrekhov@unipro.ru
+ */
+import "dart:ffi";
+import "../../../Utils/expect.dart";
+
+void main() {
+  DynamicLibrary dl = new DynamicLibrary.executable();
+  Expect.isNotNull(dl);
+  Expect.isNotNull(dl.lookup("Dart_Invoke"));
+}

LibTest/ffi/DynamicLibrary/DynamicLibrary.open_A01_t01.dart

@@ -1,4 +1,4 @@
-  /*
+/*
  * 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.
@@ -22,8 +22,7 @@ import "../ffi_utils.dart";
 import "../../../Utils/expect.dart";
 
 void main() {
-  String path = libPath("ffi_test_dynamic_library");
+  final path = libPath("ffi_test_dynamic_library");
   DynamicLibrary dl = new DynamicLibrary.open(path);
   Expect.isNotNull(dl);
 }
-

LibTest/ffi/DynamicLibrary/DynamicLibrary.open_A02_t01.dart

@@ -0,0 +1,28 @@
+/*
+ * 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 DynamicLibrary.open(String name)
+ *  Loads a dynamic library file with local visibility.
+ *
+ *  Throws an ArgumentError if loading the dynamic library fails.
+ *
+ *  Calling this function multiple times, even in different isolates, returns
+ *  objects which are equal but not identical. The underlying library is only
+ *  loaded once into the DartVM by the OS.
+ *
+ * @description Checks that an ArgumentError if loading the dynamic library
+ * fails
+ * @author sgrekhov@unipro.ru
+ */
+import "dart:ffi";
+import "../ffi_utils.dart";
+import "../../../Utils/expect.dart";
+
+void main() {
+  Expect.throws(() {
+    new DynamicLibrary.open("Wrong path");
+  }, (e) => e is ArgumentError);
+}

LibTest/ffi/DynamicLibrary/DynamicLibrary.open_A03_t01.dart

@@ -0,0 +1,31 @@
+/*
+ * 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 DynamicLibrary.open(String name)
+ *  Loads a dynamic library file with local visibility.
+ *
+ *  Throws an ArgumentError if loading the dynamic library fails.
+ *
+ *  Calling this function multiple times, even in different isolates, returns
+ *  objects which are equal but not identical. The underlying library is only
+ *  loaded once into the DartVM by the OS.
+ *
+ * @description Checks that calling this function multiple times, even in
+ * different isolates, returns objects which are equal but not identical
+ * @author sgrekhov@unipro.ru
+ */
+import "dart:ffi";
+import "../ffi_utils.dart";
+import "../../../Utils/expect.dart";
+
+void main() {
+  final path = libPath("ffi_test_dynamic_library");
+  DynamicLibrary dl1 = new DynamicLibrary.open(path);
+  DynamicLibrary dl2 = new DynamicLibrary.open(path);
+  Expect.equals(dl1, dl2);
+  Expect.isTrue(dl1 == dl2);
+  Expect.isFalse(identical(dl1, dl2));
+}

LibTest/ffi/DynamicLibrary/DynamicLibrary.process_A01_t01.dart

@@ -0,0 +1,30 @@
+/*
+ * 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 DynamicLibrary.process()
+ *  Creates a dynamic library holding all global symbols.
+ *
+ *  Any symbol in a library currently loaded with global visibility (including
+ *  the executable itself) may be resolved in this library.
+ *
+ *  This feature is not available on Windows, instead an exception is thrown.
+ *
+ * @description Checks that this constructor creates a dynamic library
+ * holding all global symbol
+ * @author sgrekhov@unipro.ru
+ */
+import "dart:ffi";
+import 'dart:io' show Platform;
+import "../../../Utils/expect.dart";
+
+void main() {
+  if (!Platform.isWindows) {
+    DynamicLibrary dl = new DynamicLibrary.process();
+    Expect.isNotNull(dl);
+    Expect.isNotNull(dl.lookup("Dart_Invoke"));
+    Expect.isNotNull(dl.lookup("printf"));
+  }
+}

LibTest/ffi/DynamicLibrary/DynamicLibrary.process_A02_t01.dart

@@ -0,0 +1,28 @@
+/*
+ * 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 DynamicLibrary.process()
+ *  Creates a dynamic library holding all global symbols.
+ *
+ *  Any symbol in a library currently loaded with global visibility (including
+ *  the executable itself) may be resolved in this library.
+ *
+ *  This feature is not available on Windows, instead an exception is thrown.
+ *
+ * @description Checks that this throws an exception on Windows
+ * @author sgrekhov@unipro.ru
+ */
+import "dart:ffi";
+import 'dart:io' show Platform;
+import "../../../Utils/expect.dart";
+
+void main() {
+  if (Platform.isWindows) {
+    Expect.throws(() {
+      new DynamicLibrary.process();
+    });
+  }
+}