Added large data set tests for append_payload_to_mipmap

[pulseview.git] / test / logicdatasnapshot.cpp

diff --git a/test/logicdatasnapshot.cpp b/test/logicdatasnapshot.cpp
index c05b13f9302641b1eb67136acdbed4b83d14f7a0..6e1f26364d778feb7e16a0e1a8edb306c1d6410a 100644 (file)
--- a/test/logicdatasnapshot.cpp
+++ b/test/logicdatasnapshot.cpp
@@ -24,6 +24,8 @@
 
 using namespace std;
 
+BOOST_AUTO_TEST_SUITE(LogicDataSnapshotTest)
+
 void push_logic(LogicDataSnapshot &s, unsigned int length, uint8_t value)
 {
        sr_datafeed_logic logic;
@@ -35,7 +37,7 @@ void push_logic(LogicDataSnapshot &s, unsigned int length, uint8_t value)
        delete[] (uint8_t*)logic.data;
 }
 
-BOOST_AUTO_TEST_CASE(LogicDataSnapshotTest)
+BOOST_AUTO_TEST_CASE(Basic)
 {
        // Create an empty LogicDataSnapshot object
        sr_datafeed_logic logic;
@@ -128,3 +130,119 @@ BOOST_AUTO_TEST_CASE(LogicDataSnapshotTest)
        BOOST_CHECK_EQUAL(edges[2].first, 16);
        BOOST_CHECK_EQUAL(edges[3].first, 17);
 }
+
+BOOST_AUTO_TEST_CASE(LargeData)
+{
+       uint8_t prev_sample;
+       const int Length = 1000000;
+
+       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 < Length; i++)
+               *data++ = (uint8_t)(i >> 8);
+
+       LogicDataSnapshot s(logic);
+       delete[] (uint8_t*)logic.data;
+
+       BOOST_CHECK(s.get_sample_count() == Length);
+
+       // Check mip map level 0
+       BOOST_CHECK_EQUAL(s._mip_map[0].length, 62500);
+       BOOST_CHECK_EQUAL(s._mip_map[0].data_length,
+               LogicDataSnapshot::MipMapDataUnit);
+       BOOST_REQUIRE(s._mip_map[0].data != NULL);
+
+       prev_sample = 0;
+       for(int i = 0; i < s._mip_map[0].length;)
+       {
+               BOOST_TEST_MESSAGE("Testing mip_map[0].data[" << i << "]");
+
+               const uint8_t sample = (uint8_t)((i*16) >> 8);
+               BOOST_CHECK_EQUAL(*((uint8_t*)s._mip_map[0].data + i++),
+                       prev_sample ^ sample);
+               prev_sample = sample;
+
+               for(int j = 1; i < s._mip_map[0].length && j < 16; j++)
+               {
+                       BOOST_TEST_MESSAGE("Testing mip_map[0].data[" << i << "]");
+                       BOOST_CHECK_EQUAL(*((uint8_t*)s._mip_map[0].data + i++), 0);
+               }
+       }
+
+       // Check mip map level 1
+       BOOST_CHECK_EQUAL(s._mip_map[1].length, 3906);
+       BOOST_CHECK_EQUAL(s._mip_map[1].data_length,
+               LogicDataSnapshot::MipMapDataUnit);
+       BOOST_REQUIRE(s._mip_map[1].data != NULL);
+
+       prev_sample = 0;
+       for(int i = 0; i < s._mip_map[1].length; i++)
+       {
+               BOOST_TEST_MESSAGE("Testing mip_map[1].data[" << i << "]");
+
+               const uint8_t sample = i;
+               const uint8_t expected = sample ^ prev_sample;
+               prev_sample = i;
+
+               BOOST_CHECK_EQUAL(*((uint8_t*)s._mip_map[1].data + i),
+                       expected);
+       }
+
+       // Check mip map level 2
+       BOOST_CHECK_EQUAL(s._mip_map[2].length, 244);
+       BOOST_CHECK_EQUAL(s._mip_map[2].data_length,
+               LogicDataSnapshot::MipMapDataUnit);
+       BOOST_REQUIRE(s._mip_map[2].data != NULL);
+
+       prev_sample = 0;
+       for(int i = 0; i < s._mip_map[2].length; i++)
+       {
+               BOOST_TEST_MESSAGE("Testing mip_map[2].data[" << i << "]");
+
+               const uint8_t sample = i << 4;
+               const uint8_t expected = (sample ^ prev_sample) | 0x0F;
+               prev_sample = sample;
+
+               BOOST_CHECK_EQUAL(*((uint8_t*)s._mip_map[2].data + i),
+                       expected);
+       }
+
+       // Check mip map level 3
+       BOOST_CHECK_EQUAL(s._mip_map[3].length, 15);
+       BOOST_CHECK_EQUAL(s._mip_map[3].data_length,
+               LogicDataSnapshot::MipMapDataUnit);
+       BOOST_REQUIRE(s._mip_map[3].data != NULL);
+
+       for(int i = 0; i < s._mip_map[3].length; i++)
+               BOOST_CHECK_EQUAL(*((uint8_t*)s._mip_map[3].data + i),
+                       0xFF);
+
+       // Check the higher levels
+       for(int i = 4; 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 LogicDataSnapshot::get_subsampled_edges -----//
+       vector<LogicDataSnapshot::EdgePair> edges;
+
+       s.get_subsampled_edges(edges, 0, Length-1, 1, 7);
+       BOOST_REQUIRE_EQUAL(edges.size(), 32);
+
+       for(int i = 0; i < 31; i++)
+       {
+               BOOST_REQUIRE_EQUAL(edges[i].first, i * 32768);
+               BOOST_REQUIRE_EQUAL(edges[i].second, i & 1);
+       }
+
+       BOOST_REQUIRE_EQUAL(edges[31].first, 999999);
+}
+
+BOOST_AUTO_TEST_SUITE_END()