Daco Harkes
0400593d1c
Issue: https://github.com/dart-lang/sdk/issues/35881 Change-Id: I67ff49fef950c7c507f5006c357909cd09914c5f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/106903 Commit-Queue: Daco Harkes <dacoharkes@google.com> Auto-Submit: Daco Harkes <dacoharkes@google.com> Reviewed-by: Samir Jindel <sjindel@google.com>
80 lines
2.3 KiB
Dart
80 lines
2.3 KiB
Dart
// Copyright (c) 2019, 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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// Dart test program for testing dart:ffi dynamic library loading.
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//
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// SharedObjects=ffi_test_dynamic_library ffi_test_functions
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library FfiTest;
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import 'dart:ffi';
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import 'dylib_utils.dart';
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import 'package:expect/expect.dart';
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void main() {
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testOpen();
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testOpenError();
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testLookup();
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testLookupError();
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testToString();
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testEquality();
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testHandle();
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}
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void testOpen() {
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DynamicLibrary l = dlopenPlatformSpecific("ffi_test_dynamic_library");
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Expect.notEquals(null, l);
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}
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void testOpenError() {
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Expect.throws(
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() => dlopenPlatformSpecific("doesnotexistforsurelibrary123409876"));
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}
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typedef NativeDoubleUnOp = Double Function(Double);
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typedef DoubleUnOp = double Function(double);
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void testLookup() {
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DynamicLibrary l = dlopenPlatformSpecific("ffi_test_dynamic_library");
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var timesFour = l.lookupFunction<NativeDoubleUnOp, DoubleUnOp>("timesFour");
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Expect.approxEquals(12.0, timesFour(3));
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}
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void testLookupError() {
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DynamicLibrary l = dlopenPlatformSpecific("ffi_test_dynamic_library");
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Expect.throws(() => l.lookupFunction<NativeDoubleUnOp, DoubleUnOp>(
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"functionnamethatdoesnotexistforsure749237593845"));
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}
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void testToString() {
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DynamicLibrary l = dlopenPlatformSpecific("ffi_test_dynamic_library");
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Expect.stringEquals(
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"DynamicLibrary: handle=0x", l.toString().substring(0, 25));
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}
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void testEquality() {
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DynamicLibrary l = dlopenPlatformSpecific("ffi_test_dynamic_library");
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DynamicLibrary l2 = dlopenPlatformSpecific("ffi_test_dynamic_library");
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Expect.equals(l, l2);
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Expect.equals(l.hashCode, l2.hashCode);
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Expect.notEquals(l, null);
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Expect.notEquals(null, l);
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DynamicLibrary l3 = dlopenPlatformSpecific("ffi_test_functions");
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Expect.notEquals(l, l3);
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}
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void testHandle() {
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DynamicLibrary l = dlopenPlatformSpecific("ffi_test_dynamic_library");
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DynamicLibrary l2 = dlopenPlatformSpecific("ffi_test_dynamic_library");
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Pointer<Void> h = l.handle;
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Pointer<Void> h2 = l2.handle;
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Expect.equals(h, h2);
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DynamicLibrary l3 = dlopenPlatformSpecific("ffi_test_functions");
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Pointer<Void> h3 = l3.handle;
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Expect.notEquals(h, h3);
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}
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