Added LisMUsbHid test

[pulseview.git] / test / logicdatasnapshot.cpp

diff --git a/test/logicdatasnapshot.cpp b/test/logicdatasnapshot.cpp
index 5041c1b327bf689c2a0fa3ecb74c70447d44ab9e..32bbe81aefbee117cfcfd0fc89d12d595aa05aad 100644 (file)
--- a/test/logicdatasnapshot.cpp
+++ b/test/logicdatasnapshot.cpp
@@ -23,6 +23,7 @@
 
 #include <boost/test/unit_test.hpp>
 
+#include "../extdef.h"
 #include "../logicdatasnapshot.h"
 
 using namespace std;
@@ -419,4 +420,52 @@ BOOST_AUTO_TEST_CASE(LongPulses)
        BOOST_CHECK_EQUAL(edges.back().second, false);
 }
 
+BOOST_AUTO_TEST_CASE(LisaMUsbHid)
+{
+       /* This test was created from the beginning of the USB_DM signal in
+        * sigrok-dumps-usb/lisa_m_usbhid/lisa_m_usbhid.sr
+        */
+
+       const int Edges[] = {
+               7028, 7033, 7036, 7041, 7044, 7049, 7053, 7066, 7073, 7079,
+               7086, 7095, 7103, 7108, 7111, 7116, 7119, 7124, 7136, 7141,
+               7148, 7162, 7500
+       };
+       const int Length = Edges[countof(Edges) - 1];
+
+       bool state = false;
+       int lastEdgePos = 0;
+
+       //----- Create a LogicDataSnapshot -----//
+       sr_datafeed_logic logic;
+       logic.unitsize = 1;
+       logic.length = Length;
+       logic.data = new uint8_t[Length];
+       uint8_t *data = (uint8_t*)logic.data;
+
+       for(int i = 0; i < countof(Edges); i++) {
+               const int edgePos = Edges[i];
+               memset(&data[lastEdgePos], state ? 0x02 : 0,
+                       edgePos - lastEdgePos - 1);
+
+               lastEdgePos = edgePos;
+               state = !state;
+       }
+
+       LogicDataSnapshot s(logic);
+       delete[] (uint64_t*)logic.data;
+
+       vector<LogicDataSnapshot::EdgePair> edges;
+
+
+       /* The trailing edge of the pulse train is falling in the source data.
+        * Check this is always true at different scales
+        */
+
+       edges.clear();
+       s.get_subsampled_edges(edges, 0, Length-1, 33.333332f, 1);
+       BOOST_CHECK_EQUAL(edges[edges.size() - 2].second, false);
+}
+
+
 BOOST_AUTO_TEST_SUITE_END()