diff --git a/meson.build b/meson.build
index 6d63b8a..12c0c91 100644
--- a/meson.build
+++ b/meson.build
@@ -27,3 +27,4 @@ subdir('lib')
 subdir('src')
 subdir('doc')
 subdir('script')
+subdir('test')
diff --git a/test/meson.build b/test/meson.build
new file mode 100644
index 0000000..715d4c5
--- /dev/null
+++ b/test/meson.build
@@ -0,0 +1,20 @@
+money_test = executable('money',
+	'money.vala',
+	dependencies: [glib_dep, gobject_dep, gtk_dep, gmodule_dep, pq_dep, lib_dep],
+	install : false)
+
+test('Money', money_test)
+
+rut_test = executable('rut',
+	'rut.vala',
+	dependencies: [glib_dep, gobject_dep, gtk_dep, gmodule_dep, pq_dep, lib_dep],
+	install : false)
+
+test('RUT', rut_test)
+
+percentage_test = executable('percentage',
+	'percentage.vala',
+	dependencies: [glib_dep, gobject_dep, gtk_dep, gmodule_dep, pq_dep, lib_dep],
+	install : false)
+
+test('Percentage', percentage_test)
diff --git a/test/money.vala b/test/money.vala
new file mode 100644
index 0000000..660da50
--- /dev/null
+++ b/test/money.vala
@@ -0,0 +1,10 @@
+namespace SernaturTest {
+	using LibSernatur.Misc;
+
+	public static int main (string[] args) {
+		assert (Money.format_int (100000) == "$100.000");
+		assert (Money.format_uint (100000) == "$100.000");
+		assert (Money.format_string ("100000") == "$100.000");
+		return 0;
+	}
+}
diff --git a/test/percentage.vala b/test/percentage.vala
new file mode 100644
index 0000000..6f56768
--- /dev/null
+++ b/test/percentage.vala
@@ -0,0 +1,11 @@
+namespace SernaturTest {
+	using LibSernatur.Misc;
+
+	public static int main (string[] args) {
+		assert (Percentage.format_float ((float) 0.43) == "43%");
+		assert (Percentage.format_float ((float) 1) == "100%");
+		assert (Percentage.format_double (0.43) == "43%");
+		assert (Percentage.format_double (1) == "100%");
+		return 0;
+	}
+}
diff --git a/test/rut.vala b/test/rut.vala
new file mode 100644
index 0000000..94c6989
--- /dev/null
+++ b/test/rut.vala
@@ -0,0 +1,26 @@
+namespace SernaturTest {
+	using LibSernatur.Misc;
+
+	public static int main (string[] args) {
+		try {
+			Rut rut = new Rut ("18166316-2");
+			assert (rut.get_clean_rut () == "181663162");
+			assert (rut.get_rut () == "18.166.316-2");
+			assert (rut.type () == Rut.Type.RUN);
+
+			rut = new Rut ("20380508-k");
+			assert (rut.get_clean_rut () == "20380508K");
+			assert (rut.get_rut () == "20.380.508-K");
+			assert (rut.type () == Rut.Type.RUN);
+
+			rut = new Rut ("50380508-1");
+			assert (rut.get_clean_rut () == "503805081");
+			assert (rut.get_rut () == "50.380.508-1");
+			assert (rut.type () == Rut.Type.RUT);
+		}
+		catch (Error e) {
+			error (e.message);
+		}
+		return 0;
+	}
+}