4 files changed, 36 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index bfcaef6..12872be 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@ SRC = main.c microui.c renderer.c widget.c ui.c unit.c engine.c
 OBJ = ${SRC:.c=.o}
 HDR = microui.h renderer.h widget.h ui.h unit.h engine.h
 
-TEST_SRC = test.c test_angular_speed.c test_pressure.c test_temperature.c test_volume.c test_volume_flow_rate.c test_fraction.c test_engine.c unit.c engine.c
+TEST_SRC = test.c test_angular_speed.c test_fraction.c test_pressure.c test_temperature.c test_volume.c test_volume_flow_rate.c test_mass_flow_rate.c test_engine.c unit.c engine.c
 TEST_OBJ = ${TEST_SRC:.c=.o}
 
 volute: ${OBJ}
diff --git a/test.c b/test.c
index 117f112..592092b 100644
--- a/test.c
+++ b/test.c
@@ -50,6 +50,11 @@ main(void) {
 	test_as_cubic_metre_per_min();
 	test_as_cubic_foot_per_min();
 
+	test_kilo_per_sec();
+	test_pound_per_min();
+	test_as_kilo_per_sec();
+	test_as_pound_per_min();
+
 	test_comp_outlet_pressure();
 	test_pressure_ratio();
 	test_pressure_ratio_intercooled();
diff --git a/test.h b/test.h
index 86d59c0..fc1865c 100644
--- a/test.h
+++ b/test.h
@@ -56,6 +56,11 @@ void test_as_cubic_metre_per_sec(void);
 void test_as_cubic_metre_per_min(void);
 void test_as_cubic_foot_per_min(void);
 
+void test_kilo_per_sec(void);
+void test_pound_per_min(void);
+void test_as_kilo_per_sec(void);
+void test_as_pound_per_min(void);
+
 void test_comp_outlet_pressure(void);
 void test_pressure_ratio(void);
 void test_pressure_ratio_intercooled(void);
diff --git a/test_mass_flow_rate.c b/test_mass_flow_rate.c
new file mode 100644
index 0000000..fb316dd
--- /dev/null
+++ b/test_mass_flow_rate.c
@@ -0,0 +1,25 @@
+#include <assert.h>
+#include <stdio.h>
+
+#include "test.h"
+#include "unit.h"
+
+void
+test_kilo_per_sec(void) {
+	assert(0);
+}
+
+void
+test_pound_per_min(void) {
+	assert(0);
+}
+
+void
+test_as_kilo_per_sec(void) {
+	assert(0);
+}
+
+void
+test_as_pound_per_min(void) {
+	assert(0);
+}