libcamera: test: Add ControlInfo test

Provide an initial test coverage for the ControlInfo class.

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

test/controls/control_info.cpp

@@ -0,0 +1,62 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2019, Google Inc.
+ *
+ * control_info.cpp - ControlInfo tests
+ */
+
+#include <iostream>
+
+#include <libcamera/controls.h>
+
+#include "test.h"
+
+using namespace std;
+using namespace libcamera;
+
+class ControlInfoTest : public Test
+{
+protected:
+	int run()
+	{
+		/*
+		 * Test information retrieval from a control with no minimum
+		 * and maximum.
+		 */
+		ControlInfo info(Brightness);
+
+		if (info.id() != Brightness ||
+		    info.type() != ControlValueInteger ||
+		    info.name() != std::string("Brightness")) {
+			cout << "Invalid control identification for Brightness" << endl;
+			return TestFail;
+		}
+
+		if (info.min().getInt() != 0 || info.max().getInt() != 0) {
+			cout << "Invalid control range for Brightness" << endl;
+			return TestFail;
+		}
+
+		/*
+		 * Test information retrieval from a control with a minimum and
+		 * a maximum value.
+		 */
+		info = ControlInfo(Contrast, 10, 200);
+
+		if (info.id() != Contrast ||
+		    info.type() != ControlValueInteger ||
+		    info.name() != std::string("Contrast")) {
+			cout << "Invalid control identification for Contrast" << endl;
+			return TestFail;
+		}
+
+		if (info.min().getInt() != 10 || info.max().getInt() != 200) {
+			cout << "Invalid control range for Contrast" << endl;
+			return TestFail;
+		}
+
+		return TestPass;
+	}
+};
+
+TEST_REGISTER(ControlInfoTest)

test/controls/meson.build

@@ -1,4 +1,5 @@
 control_tests = [
+    [ 'control_info',   'control_info.cpp' ],
     [ 'control_value',  'control_value.cpp' ],
 ]