Adding upstream version 3.4.upstream/3.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 117 insertions, 0 deletions

diff --git a/test/unit/samplefilt.c b/test/unit/samplefilt.c
new file mode 100644
index 0000000..a371b3a
--- /dev/null
+++ b/test/unit/samplefilt.c
@@ -0,0 +1,117 @@
+/*
+ **********************************************************************
+ * Copyright (C) Miroslav Lichvar  2018
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ * 
+ **********************************************************************
+ */
+
+#include <local.h>
+#include "test.h"
+
+#define LCL_GetSysPrecisionAsQuantum() (1.0e-6)
+
+#include <samplefilt.c>
+
+void
+test_unit(void)
+{
+  NTP_Sample sample_in, sample_out;
+  SPF_Instance filter;
+  int i, j, k, sum_count, min_samples, max_samples;
+  double mean, combine_ratio, sum_err;
+
+  LCL_Initialise();
+
+  for (i = 0; i <= 100; i++) {
+    max_samples = random() % 20 + 1;
+    min_samples = random() % (max_samples) + 1;
+    combine_ratio = TST_GetRandomDouble(0.0, 1.0);
+
+    filter = SPF_CreateInstance(min_samples, max_samples, 2.0, combine_ratio);
+
+    for (j = 0, sum_count = 0, sum_err = 0.0; j < 100; j++) {
+      DEBUG_LOG("iteration %d/%d", i, j);
+
+      mean = TST_GetRandomDouble(-1.0e3, 1.0e3);
+      UTI_ZeroTimespec(&sample_in.time);
+
+      for (k = 0; k < 100; k++) {
+        UTI_AddDoubleToTimespec(&sample_in.time, TST_GetRandomDouble(1.0e-1, 1.0e2),
+                                &sample_in.time);
+        sample_in.offset = mean + TST_GetRandomDouble(-1.0, 1.0);
+        sample_in.peer_dispersion = TST_GetRandomDouble(1.0e-4, 2.0e-4);
+        sample_in.root_dispersion = TST_GetRandomDouble(1.0e-3, 2.0e-3);
+        sample_in.peer_delay = TST_GetRandomDouble(1.0e-2, 2.0e-2);
+        sample_in.root_delay = TST_GetRandomDouble(1.0e-1, 2.0e-1);
+        sample_in.stratum = random() % 16;
+        sample_in.leap = random() % 4;
+
+        TEST_CHECK(SPF_AccumulateSample(filter, &sample_in));
+        TEST_CHECK(!SPF_AccumulateSample(filter, &sample_in));
+
+        TEST_CHECK(SPF_GetNumberOfSamples(filter) == MIN(k + 1, max_samples));
+
+        SPF_GetLastSample(filter, &sample_out);
+        TEST_CHECK(!memcmp(&sample_in, &sample_out, sizeof (sample_in)));
+
+        SPF_SlewSamples(filter, &sample_in.time, 0.0, 0.0);
+        SPF_AddDispersion(filter, 0.0);
+
+        if (k + 1 < min_samples)
+          TEST_CHECK(!SPF_GetFilteredSample(filter, &sample_out));
+
+        TEST_CHECK(SPF_GetNumberOfSamples(filter) == MIN(k + 1, max_samples));
+      }
+
+      if (random() % 10) {
+        TEST_CHECK(SPF_GetFilteredSample(filter, &sample_out));
+
+        TEST_CHECK(SPF_GetAvgSampleDispersion(filter) <= 2.0);
+
+        sum_err += sample_out.offset - mean;
+        sum_count++;
+
+        TEST_CHECK(UTI_CompareTimespecs(&sample_out.time, &sample_in.time) <= 0 &&
+                   sample_out.time.tv_sec >= 0);
+        TEST_CHECK(fabs(sample_out.offset - mean) <= 1.0);
+        TEST_CHECK(sample_out.peer_dispersion >= 1.0e-4 &&
+                   (sample_out.peer_dispersion <= 2.0e-4 || filter->max_samples > 1));
+        TEST_CHECK(sample_out.root_dispersion >= 1.0e-3 &&
+                   (sample_out.root_dispersion <= 2.0e-3 || filter->max_samples > 1));
+        TEST_CHECK(sample_out.peer_delay >= 1.0e-2 &&
+                   sample_out.peer_delay <= 2.0e-2);
+        TEST_CHECK(sample_out.root_delay >= 1.0e-1 &&
+                   sample_out.root_delay <= 2.0e-1);
+        TEST_CHECK(sample_out.leap >= 0 && sample_out.leap <= 3);
+        TEST_CHECK(sample_out.stratum >= 0 && sample_out.stratum <= 15);
+
+        if (max_samples == 1)
+          TEST_CHECK(!memcmp(&sample_in, &sample_out, sizeof (sample_in)));
+
+      } else {
+        SPF_DropSamples(filter);
+      }
+
+      TEST_CHECK(SPF_GetNumberOfSamples(filter) == 0);
+    }
+
+    TEST_CHECK(fabs(sum_err / sum_count) < 0.3);
+
+    SPF_DestroyInstance(filter);
+  }
+
+  LCL_Finalise();
+}