Added Pulses test case for LogicDataSnapshot

[pulseview.git] / test / logicdatasnapshot.cpp

diff --git a/test/logicdatasnapshot.cpp b/test/logicdatasnapshot.cpp
index b56f98f098b6b1694eddc47c902527f09867c2f0..2c24bd3ca0851fb08ca5d5bc9f0e4526dd23682e 100644 (file)
--- a/test/logicdatasnapshot.cpp
+++ b/test/logicdatasnapshot.cpp
@@ -269,4 +269,63 @@ BOOST_AUTO_TEST_CASE(LargeData)
        BOOST_CHECK_EQUAL(edges[31].first, 999999);
 }
 
+BOOST_AUTO_TEST_CASE(Pulses)
+{
+       const int Cycles = 3;
+       const int Period = 64;
+       const int Length = Cycles * Period;
+
+       vector<LogicDataSnapshot::EdgePair> edges;
+
+       //----- Create a LogicDataSnapshot -----//
+       sr_datafeed_logic logic;
+       logic.unitsize = 1;
+       logic.length = Length;
+       logic.data = (uint64_t*)new uint8_t[Length];
+       uint8_t *p = (uint8_t*)logic.data;
+
+       for(int i = 0; i < Cycles; i++) {
+               *p++ = 0xFF;
+               for(int j = 1; j < Period; j++)
+                       *p++ = 0x00;
+       }
+
+       LogicDataSnapshot s(logic);
+
+       //----- Check the mip-map -----//
+       // Check mip map level 0
+       BOOST_CHECK_EQUAL(s._mip_map[0].length, 12);
+       BOOST_CHECK_EQUAL(s._mip_map[0].data_length,
+               LogicDataSnapshot::MipMapDataUnit);
+       BOOST_REQUIRE(s._mip_map[0].data != NULL);
+
+       for(int i = 0; i < s._mip_map[0].length;) {
+               BOOST_TEST_MESSAGE("Testing mip_map[0].data[" << i << "]");
+               BOOST_CHECK_EQUAL(s.get_subsample(0, i++) & 0xFF, 0xFF);
+
+               for(int j = 1;
+                       i < s._mip_map[0].length &&
+                       j < Period/LogicDataSnapshot::MipMapScaleFactor; j++) {
+                       BOOST_TEST_MESSAGE(
+                               "Testing mip_map[0].data[" << i << "]");
+                       BOOST_CHECK_EQUAL(s.get_subsample(0, i++) & 0xFF, 0x00);
+               }
+       }
+
+       // Check the higher levels are all inactive
+       for(int i = 1; i < LogicDataSnapshot::ScaleStepCount; i++) {
+               const LogicDataSnapshot::MipMapLevel &m = s._mip_map[i];
+               BOOST_CHECK_EQUAL(m.length, 0);
+               BOOST_CHECK_EQUAL(m.data_length, 0);
+               BOOST_CHECK(m.data == NULL);
+       }
+
+       //----- Test get_subsampled_edges at reduced scale -----//
+       s.get_subsampled_edges(edges, 0, Length-1, 16.0f, 2);
+       BOOST_REQUIRE_EQUAL(edges.size(), Cycles + 1);
+
+       for(int i = 0; i < edges.size(); i++)
+               BOOST_CHECK_EQUAL(edges[i].second, false);
+}
+
 BOOST_AUTO_TEST_SUITE_END()