From 5860fdb9a9b26e37852520d4598749f65f893bb5 Mon Sep 17 00:00:00 2001
From: "Alfred E. Heggestad" <aeh@db.org>
Date: Mon, 21 Mar 2016 22:13:04 +0100
Subject: mos: add pseudo Mean Opinion Score routine

thanks to Lorenzo Mangani for the original patch
---
 test/mos.c | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 test/mos.c

(limited to 'test/mos.c')

diff --git a/test/mos.c b/test/mos.c
new file mode 100644
index 0000000..20b13c2
--- /dev/null
+++ b/test/mos.c
@@ -0,0 +1,53 @@
+/**
+ * @file test/mos.c  Test the MOS (Mean Opinion Score) calculator
+ *
+ * Copyright (C) 2010 - 2016 Creytiv.com
+ */
+#include <re.h>
+#include <baresip.h>
+#include "test.h"
+
+
+#define DEBUG_MODULE "mos"
+#define DEBUG_LEVEL 5
+#include <re_dbg.h>
+
+
+int test_mos(void)
+{
+#define PRECISION 0.001
+	static struct {
+		/* input: */
+		double rtt;
+		double jitter;
+		uint32_t packet_loss;
+
+		/* output: */
+		double r_factor;
+		double mos;
+	} testv[] = {
+		{    0.0,    0.0,   0,  92.95,  4.404 },
+		{  500.0,    0.0,   0,  54.20,  2.796 },
+		{ 1000.0,    0.0,   0,   4.20,  0.990 },
+		{    0.0,  100.0,   0,  84.20,  4.172 },
+		{    0.0,  200.0,   0,  64.20,  3.315 },
+		{    0.0,    0.0,   1,  90.45,  4.350 },
+		{    0.0,    0.0,  10,  67.95,  3.499 },
+		{   10.0,   10.0,  10,  67.20,  3.463 },
+	};
+	size_t i;
+	int err = 0;
+
+	for (i=0; i<ARRAY_SIZE(testv); i++) {
+		double r_factor, mos;
+
+		mos = mos_calculate(&r_factor, testv[i].rtt, testv[i].jitter,
+				    testv[i].packet_loss);
+
+		ASSERT_DOUBLE_EQ(testv[i].r_factor, r_factor, PRECISION);
+		ASSERT_DOUBLE_EQ(testv[i].mos, mos, PRECISION);
+	}
+
+ out:
+	return err;
+}
-- 
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