libcamera: test: Add ControlValue test

Add initial basic testing for the new ControlValue class.

Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

test/controls/control_value.cpp

@@ -0,0 +1,69 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2019, Google Inc.
+ *
+ * control_value.cpp - ControlValue tests
+ */
+
+#include <iostream>
+
+#include <libcamera/controls.h>
+
+#include "test.h"
+
+using namespace std;
+using namespace libcamera;
+
+class ControlValueTest : public Test
+{
+protected:
+	int run()
+	{
+		ControlValue integer(1234);
+		ControlValue boolean(true);
+
+		/* Just a string conversion output test... no validation */
+		cout << "Int: " << integer.toString()
+		     << " Bool: " << boolean.toString()
+		     << endl;
+
+		if (integer.getInt() != 1234) {
+			cerr << "Failed to get Integer" << endl;
+			return TestFail;
+		}
+
+		if (boolean.getBool() != true) {
+			cerr << "Failed to get Boolean" << endl;
+			return TestFail;
+		}
+
+		/* Test an uninitialised value, and updating it. */
+
+		ControlValue value;
+		if (!value.isNone()) {
+			cerr << "Empty value is non-null" << endl;
+			return TestFail;
+		}
+
+		value.set(true);
+		if (value.isNone()) {
+			cerr << "Failed to set an empty object" << endl;
+			return TestFail;
+		}
+
+		if (value.getBool() != true) {
+			cerr << "Failed to get Booleans" << endl;
+			return TestFail;
+		}
+
+		value.set(10);
+		if (value.getInt() != 10) {
+			cerr << "Failed to get Integer" << endl;
+			return TestFail;
+		}
+
+		return TestPass;
+	}
+};
+
+TEST_REGISTER(ControlValueTest)

test/controls/meson.build

@@ -0,0 +1,11 @@
+control_tests = [
+    [ 'control_value',  'control_value.cpp' ],
+]
+
+foreach t : control_tests
+    exe = executable(t[0], t[1],
+                     dependencies : libcamera_dep,
+                     link_with : test_libraries,
+                     include_directories : test_includes_internal)
+    test(t[0], exe, suite : 'controls', is_parallel : false)
+endforeach

test/meson.build

@@ -1,6 +1,7 @@
 subdir('libtest')
 
 subdir('camera')
+subdir('controls')
 subdir('ipa')
 subdir('ipc')
 subdir('media_device')