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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2019-01-06 02:11:59 +0200
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2019-01-08 16:23:16 +0200
commitf151895c3fd7afd47f75e9f536730b24191c7464 (patch)
treece9b77bc760cd29a93327fde3a99c3d9ea4334c8
parent03815afdc8dcc41c4462ca753a1d4fb869748a8e (diff)
test: Add signal/slot test
The test covers signal connection, disconnection through all the provided methods, emission, parameters, and connection of a signal to multiple slots. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
-rw-r--r--test/meson.build1
-rw-r--r--test/signal.cpp159
2 files changed, 160 insertions, 0 deletions
diff --git a/test/meson.build b/test/meson.build
index 30350d22..4000bd51 100644
--- a/test/meson.build
+++ b/test/meson.build
@@ -4,6 +4,7 @@ subdir('media_device')
public_tests = [
['list-cameras', 'list-cameras.cpp'],
+ ['signal', 'signal.cpp'],
]
internal_tests = [
diff --git a/test/signal.cpp b/test/signal.cpp
new file mode 100644
index 00000000..ab69ca1b
--- /dev/null
+++ b/test/signal.cpp
@@ -0,0 +1,159 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2019, Google Inc.
+ *
+ * signal.cpp - Signal test
+ */
+
+#include <iostream>
+#include <string.h>
+
+#include <libcamera/signal.h>
+
+#include "test.h"
+
+using namespace std;
+using namespace libcamera;
+
+static int valueStatic_ = 0;
+
+static void slotStatic(int value)
+{
+ valueStatic_ = value;
+}
+
+class SignalTest : public Test
+{
+protected:
+ void slotVoid()
+ {
+ called_ = true;
+ }
+
+ void slotDisconnect()
+ {
+ called_ = true;
+ signalVoid_.disconnect(this, &SignalTest::slotDisconnect);
+ }
+
+ void slotInteger1(int value)
+ {
+ values_[0] = value;
+ }
+
+ void slotInteger2(int value)
+ {
+ values_[1] = value;
+ }
+
+ void slotMultiArgs(int value, const std::string &name)
+ {
+ values_[2] = value;
+ name_ = name;
+ }
+
+ int init()
+ {
+ return 0;
+ }
+
+ int run()
+ {
+ /* Test signal emission and reception. */
+ called_ = false;
+ signalVoid_.connect(this, &SignalTest::slotVoid);
+ signalVoid_.emit();
+
+ if (!called_) {
+ cout << "Signal emission test failed" << endl;
+ return TestFail;
+ }
+
+ /* Test signal with parameters. */
+ values_[2] = 0;
+ name_.clear();
+ signalMultiArgs_.connect(this, &SignalTest::slotMultiArgs);
+ signalMultiArgs_.emit(42, "H2G2");
+
+ if (values_[2] != 42 || name_ != "H2G2") {
+ cout << "Signal parameters test failed" << endl;
+ return TestFail;
+ }
+
+ /* Test signal connected to multiple slots. */
+ memset(values_, 0, sizeof(values_));
+ valueStatic_ = 0;
+ signalInt_.connect(this, &SignalTest::slotInteger1);
+ signalInt_.connect(this, &SignalTest::slotInteger2);
+ signalInt_.connect(&slotStatic);
+ signalInt_.emit(42);
+
+ if (values_[0] != 42 || values_[1] != 42 || values_[2] != 0 ||
+ valueStatic_ != 42) {
+ cout << "Signal multi slot test failed" << endl;
+ return TestFail;
+ }
+
+ /* Test disconnection of a single slot. */
+ memset(values_, 0, sizeof(values_));
+ signalInt_.disconnect(this, &SignalTest::slotInteger2);
+ signalInt_.emit(42);
+
+ if (values_[0] != 42 || values_[1] != 0 || values_[2] != 0) {
+ cout << "Signal slot disconnection test failed" << endl;
+ return TestFail;
+ }
+
+ /* Test disconnection of a whole object. */
+ memset(values_, 0, sizeof(values_));
+ signalInt_.disconnect(this);
+ signalInt_.emit(42);
+
+ if (values_[0] != 0 || values_[1] != 0 || values_[2] != 0) {
+ cout << "Signal object disconnection test failed" << endl;
+ return TestFail;
+ }
+
+ /* Test disconnection of a whole signal. */
+ memset(values_, 0, sizeof(values_));
+ signalInt_.connect(this, &SignalTest::slotInteger1);
+ signalInt_.connect(this, &SignalTest::slotInteger2);
+ signalInt_.disconnect();
+ signalInt_.emit(42);
+
+ if (values_[0] != 0 || values_[1] != 0 || values_[2] != 0) {
+ cout << "Signal object disconnection test failed" << endl;
+ return TestFail;
+ }
+
+ /* Test disconnection from slot. */
+ signalVoid_.disconnect();
+ signalVoid_.connect(this, &SignalTest::slotDisconnect);
+
+ signalVoid_.emit();
+ called_ = false;
+ signalVoid_.emit();
+
+ if (called_) {
+ cout << "Signal disconnection from slot test failed" << endl;
+ return TestFail;
+ }
+
+ return TestPass;
+ }
+
+ void cleanup()
+ {
+ }
+
+private:
+ Signal<> signalVoid_;
+ Signal<int> signalInt_;
+ Signal<int, const std::string &> signalMultiArgs_;
+
+ bool called_;
+ int values_[3];
+ std::string name_;
+};
+
+TEST_REGISTER(SignalTest)