tests: add General qml test cases

Add tst_qPrefGeneral qml file to test C++ qml connection

Signed-off-by: Jan Iversen <jani@apache.org>

tests/tst_qPrefGeneral.qml

@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0
+import QtQuick 2.6
+import QtTest 1.2
+import org.subsurfacedivelog.mobile 1.0
+
+TestCase {
+	name: "qPrefGeneral"
+
+	SsrfGeneralPrefs {
+		id: tst
+	}
+
+	SsrfPrefs {
+		id: prefs
+	}
+
+	function test_variables() {
+		var x1 = tst.auto_recalculate_thumbnails
+		tst.auto_recalculate_thumbnails = true
+		compare(tst.auto_recalculate_thumbnails, true)
+
+		var x2 = tst.default_cylinder
+		tst.default_cylinder = "my string"
+		compare(tst.default_cylinder, "my string")
+
+		var x3 = tst.default_filename
+		tst.default_filename = "my string"
+		compare(tst.default_filename, "my string")
+
+//TBD		var x4 = tst.default_file_behavior
+//TBD		tst.default_file_behavior = ??
+//TBD		compare(tst.default_file_behavior, ??)
+
+		var x5 = tst.defaultsetpoint
+		tst.defaultsetpoint = 17
+		compare(tst.defaultsetpoint, 17)
+
+		var x6 = tst.extract_video_thumbnails
+		tst.extract_video_thumbnails = true
+		compare(tst.extract_video_thumbnails, true)
+
+		var x7 = tst.extract_video_thumbnails_position
+		tst.extract_video_thumbnails_position = 17
+		compare(tst.extract_video_thumbnails_position, 17)
+
+		var x8 = tst.ffmpeg_executable
+		tst.ffmpeg_executable = "my string"
+		compare(tst.ffmpeg_executable, "my string")
+
+		var x9 = tst.o2consumption
+		tst.o2consumption = 17
+		compare(tst.o2consumption, 17)
+
+		var x10 = tst.pscr_ratio
+		tst.pscr_ratio = 17
+		compare(tst.pscr_ratio, 17)
+
+		var x11 = tst.use_default_file
+		tst.use_default_file = true
+		compare(tst.use_default_file, true)
+	}
+}