FPGASpotFindingUnitTest: Very basic test for spot finder

tests/FPGASpotFindingUnitTest.cpp

@@ -385,3 +385,38 @@ TEST_CASE("FPGA_spot_finder_line_sum","[FPGA][SpotFinder]") {
         output_frame_512[i] = packet_out.data;
     }
 }
+
+TEST_CASE("FPGA_spot_finder_core","[FPGA][SpotFinder]") {
+    STREAM_512 input;
+    STREAM_512 output;
+    hls::stream<ap_axiu<32,1,1,1>> strong_pixel;
+
+    ap_int<16> in_photon_count_threshold = 8;
+    ap_uint<16> in_strong_pixel_threshold = 16;
+
+    std::vector<int16_t> input_frame(RAW_MODULE_SIZE), output_frame(RAW_MODULE_SIZE);
+    for (int i = 0; i < RAW_MODULE_SIZE; i++) {
+        if (i % RAW_MODULE_COLS == 1023)
+            input_frame[i] = INT16_MIN;
+        else
+            input_frame[i] = i % RAW_MODULE_COLS;
+    }
+    auto input_frame_512 = (ap_uint<512> *) input_frame.data();
+    auto output_frame_512 = (ap_uint<512> *) output_frame.data();
+
+    input << packet_512_t{.user = 0};
+    for (int i = 0; i < RAW_MODULE_SIZE * sizeof(uint16_t) / 64; i++)
+        input << packet_512_t{.data = input_frame_512[i], .user = 0};
+
+    input << packet_512_t{.user = 1};
+
+    spot_finder(input,
+                output,
+                strong_pixel,
+                in_photon_count_threshold,
+                in_strong_pixel_threshold);
+
+    REQUIRE(input.size() == 0);
+    REQUIRE(output.size() == RAW_MODULE_SIZE * sizeof(uint16_t) / 64 + 2);
+    REQUIRE(strong_pixel.size() == RAW_MODULE_SIZE * sizeof(uint16_t) / 64 + 1);
+}