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-rw-r--r--src/syncedsettings.h112
-rw-r--r--test/Makefile.am7
-rw-r--r--test/syncedsettings.cc173
3 files changed, 291 insertions, 1 deletions
diff --git a/src/syncedsettings.h b/src/syncedsettings.h
new file mode 100644
index 0000000..f83847c
--- /dev/null
+++ b/src/syncedsettings.h
@@ -0,0 +1,112 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ * syncedsettings.h
+ *
+ * Thu Mar 31 09:23:27 CEST 2016
+ * Copyright 2016 Christian Glöckner
+ * cgloeckner@freenet.de
+ ****************************************************************************/
+
+/*
+ * This file is part of DrumGizmo.
+ *
+ * DrumGizmo is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * DrumGizmo is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with DrumGizmo; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+#pragma once
+
+#include <mutex>
+
+// type trait helper
+
+template <typename T, typename... Types>
+struct pack_contains;
+
+template <typename T, typename... Types>
+struct pack_contains<T, T, Types...>
+ : std::true_type {
+};
+
+template <typename T, typename Head, typename... Types>
+struct pack_contains<T, Head, Types...>
+ : pack_contains<T, Types...> {
+};
+
+template <typename T>
+struct pack_contains<T>
+ : std::false_type {
+};
+
+// --------------------------------------------------------------------
+
+template <typename T>
+class Group;
+
+template <typename T>
+class Accessor {
+ private:
+ std::lock_guard<std::mutex> lock;
+
+ public:
+ Accessor(Group<T>& parent)
+ : lock{parent.mutex}
+ , data{parent.data} {
+ }
+
+ T& data;
+};
+
+template <typename T>
+class Group {
+ private:
+ friend class Accessor<T>;
+
+ mutable std::mutex mutex;
+ T data;
+
+ public:
+ Group()
+ : mutex{}
+ , data{} {
+ }
+
+ Group(T const & data)
+ : mutex{}
+ , data{data} {
+ }
+
+ Group(T&& data)
+ : mutex{}
+ , data{std::move(data)} {
+ }
+
+ Group(Group<T> const & other)
+ : mutex{}
+ , data{} {
+ std::lock_guard<std::mutex> lock{other.mutex};
+ data = other.data;
+ }
+
+ Group(Group<T>&& other)
+ : mutex{}
+ , data{} {
+ std::lock_guard<std::mutex> lock{other.mutex};
+ std::swap(data, other.data);
+ }
+
+ operator T() const {
+ std::lock_guard<std::mutex> lock{mutex};
+ return data;
+ }
+};
diff --git a/test/Makefile.am b/test/Makefile.am
index 4209991..47fa026 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -3,7 +3,7 @@ include $(top_srcdir)/src/Makefile.am.drumgizmo
TESTS = resource engine gui resampler lv2 configfile audiocache \
audiocachefile audiocacheidmanager audiocacheeventhandler \
- memchecker atomictest
+ memchecker atomictest syncedsettingstest
check_PROGRAMS = $(TESTS)
@@ -133,5 +133,10 @@ atomictest_CXXFLAGS = -DOUTPUT=\"atomictest\" $(CPPUNIT_CFLAGS) \
atomictest_LDFLAGS = $(CPPUNIT_LIBS)
atomictest_SOURCES = atomictest.cc test.cc
+syncedsettingstest_CXXFLAGS = -DOUTPUT=\"syncedsettingstest\" $(CPPUNIT_CFLAGS) \
+ -I$(top_srcdir)/src -I$(top_srcdir)/hugin
+syncedsettingstest_LDFLAGS = $(CPPUNIT_LIBS)
+syncedsettingstest_SOURCES = syncedsettings.cc test.cc
+
EXTRA_DIST = \
lv2_test_host.h
diff --git a/test/syncedsettings.cc b/test/syncedsettings.cc
new file mode 100644
index 0000000..a04c870
--- /dev/null
+++ b/test/syncedsettings.cc
@@ -0,0 +1,173 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ * syncedsettings.cc
+ *
+ * Wed Mar 31 09:32:12 CET 2016
+ * Copyright 2016 Christian Glöckner
+ * cgloeckner@freenet.de
+ ****************************************************************************/
+
+/*
+ * This file is part of DrumGizmo.
+ *
+ * DrumGizmo is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * DrumGizmo is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with DrumGizmo; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+#include <cppunit/extensions/HelperMacros.h>
+
+#include <syncedsettings.h>
+
+class SyncedSettingsTest
+ : public CppUnit::TestFixture {
+
+ CPPUNIT_TEST_SUITE(SyncedSettingsTest);
+ CPPUNIT_TEST(groupCanBeDefaultInitialized);
+ CPPUNIT_TEST(groupDataCanBeCopied);
+ CPPUNIT_TEST(groupCanBeCreatedByReference);
+ CPPUNIT_TEST(groupCanBeCreatedByRvalueReference);
+
+ CPPUNIT_TEST(accessorCanGetFields);
+ CPPUNIT_TEST(accessorCanSetFields);
+
+ CPPUNIT_TEST(groupHasCopyCtor);
+ CPPUNIT_TEST(groupHasMoveCtor);
+ CPPUNIT_TEST(groupHasCopyAssignOp);
+ CPPUNIT_TEST(groupHasMoveAssignOp);
+ CPPUNIT_TEST_SUITE_END();
+
+ private:
+ struct TestData {
+ float foo;
+ bool bar;
+ std::string msg;
+ };
+
+ public:
+ void setUp() {}
+ void tearDown() {}
+
+ void groupCanBeDefaultInitialized() {
+ Group<TestData> data;
+ }
+
+ void groupDataCanBeCopied() {
+ Group<TestData> data;
+ (TestData)data; // copies
+ }
+
+ void groupCanBeCreatedByReference() {
+ TestData tmp{3.f, false, "hello"};
+ Group<TestData> data{tmp};
+ TestData copy = data;
+ CPPUNIT_ASSERT_EQUAL(copy.foo, 3.f);
+ CPPUNIT_ASSERT_EQUAL(copy.bar, false);
+ CPPUNIT_ASSERT_EQUAL(copy.msg, std::string{"hello"});
+ }
+
+ void groupCanBeCreatedByRvalueReference() {
+ TestData tmp{3.f, false, "hello"};
+ Group<TestData> data{std::move(tmp)};
+ TestData copy = data;
+ CPPUNIT_ASSERT_EQUAL(copy.foo, 3.f);
+ CPPUNIT_ASSERT_EQUAL(copy.bar, false);
+ CPPUNIT_ASSERT_EQUAL(copy.msg, std::string{"hello"});
+ }
+
+ void accessorCanGetFields() {
+ TestData tmp{3.f, false, "hello"};
+ Group<TestData> data{tmp};
+ Accessor<TestData> a{data};
+ CPPUNIT_ASSERT_EQUAL(a.data.foo, 3.f);
+ CPPUNIT_ASSERT_EQUAL(a.data.bar, false);
+ CPPUNIT_ASSERT_EQUAL(a.data.msg, std::string{"hello"});
+ }
+
+ void accessorCanSetFields() {
+ Group<TestData> data;
+ Accessor<TestData> a{data};
+ a.data.foo = 3.f;
+ a.data.bar = false;
+ a.data.msg = "hello";
+ TestData copy = data;
+ CPPUNIT_ASSERT_EQUAL(copy.foo, 3.f);
+ CPPUNIT_ASSERT_EQUAL(copy.bar, false);
+ CPPUNIT_ASSERT_EQUAL(copy.msg, std::string{"hello"});
+ }
+
+ void groupHasCopyCtor() {
+ Group<TestData> tmp;
+ {
+ Accessor<TestData> a{tmp};
+ a.data.foo = 3.f;
+ a.data.bar = false;
+ a.data.msg = "hello";
+ }
+ Group<TestData> data{tmp};
+ TestData copy = data;
+ CPPUNIT_ASSERT_EQUAL(copy.foo, 3.f);
+ CPPUNIT_ASSERT_EQUAL(copy.bar, false);
+ CPPUNIT_ASSERT_EQUAL(copy.msg, std::string{"hello"});
+ }
+
+ void groupHasMoveCtor() {
+ Group<TestData> tmp;
+ {
+ Accessor<TestData> a{tmp};
+ a.data.foo = 3.f;
+ a.data.bar = false;
+ a.data.msg = "hello";
+ }
+ Group<TestData> data{std::move(tmp)};
+ TestData copy = data;
+ CPPUNIT_ASSERT_EQUAL(copy.foo, 3.f);
+ CPPUNIT_ASSERT_EQUAL(copy.bar, false);
+ CPPUNIT_ASSERT_EQUAL(copy.msg, std::string{"hello"});
+ }
+
+ void groupHasCopyAssignOp() {
+ Group<TestData> tmp;
+ {
+ Accessor<TestData> a{tmp};
+ a.data.foo = 3.f;
+ a.data.bar = false;
+ a.data.msg = "hello";
+ }
+ Group<TestData> data = tmp;
+ TestData copy = data;
+ CPPUNIT_ASSERT_EQUAL(copy.foo, 3.f);
+ CPPUNIT_ASSERT_EQUAL(copy.bar, false);
+ CPPUNIT_ASSERT_EQUAL(copy.msg, std::string{"hello"});
+ }
+
+ void groupHasMoveAssignOp() {
+ Group<TestData> tmp;
+ {
+ Accessor<TestData> a{tmp};
+ a.data.foo = 3.f;
+ a.data.bar = false;
+ a.data.msg = "hello";
+ }
+ Group<TestData> data = std::move(tmp);
+ TestData copy = data;
+ CPPUNIT_ASSERT_EQUAL(copy.foo, 3.f);
+ CPPUNIT_ASSERT_EQUAL(copy.bar, false);
+ CPPUNIT_ASSERT_EQUAL(copy.msg, std::string{"hello"});
+ }
+
+ // todo: further testing
+};
+
+// Registers the fixture into the 'registry'
+CPPUNIT_TEST_SUITE_REGISTRATION(SyncedSettingsTest);
+
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 23:08:24 +0000