generated from saji/ecp5-template
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Verilator Unit Tests / Test (push) Failing after 5m18s
Moved the tests to a separate program to make way for sokol.
88 lines
2.7 KiB
C++
88 lines
2.7 KiB
C++
#include "Vhub75e.h"
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#include "devices.hpp"
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#include "tests.hpp"
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#include <array>
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#include <catch2/catch_test_macros.hpp>
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#include <catch2/generators/catch_generators_all.hpp>
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#include <memory>
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#include <vector>
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TEST_CASE("HUB75E Driver Test") {
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auto fixture = VerilatorTestFixture<Vhub75e>();
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// very simple done checker.
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auto done_check = [](Vhub75e &dut, unsigned long time) {
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return dut.done == 1;
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};
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fixture.set_done_callback(done_check);
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const Vhub75e &dut = fixture.get();
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// stimulus to start the transaction.
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auto stim = std::make_shared<PulseStimulus>(dut.write_trig, 4);
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fixture.add_module(stim);
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fixture.set_timeout(250000);
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auto bram = std::make_shared<FakeBRAM>(1, dut.clk, dut.pixbuf_addr,
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dut.pixbuf_data);
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fixture.add_module(bram);
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auto display = std::make_shared<HUB75Reciever>(128, 64, dut);
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fixture.add_module(display);
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SECTION("Smoke Tests") {
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fixture.exec();
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CHECK(fixture.get_reason() ==
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VerilatorTestFixture<Vhub75e>::FinishReason::Ok);
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auto rows = display->get_past_rows();
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CHECK(rows.size() == 8);
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for (int i = 0; i < rows.size(); i++) {
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auto &[r0, r1] = rows[i];
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CHECK(r0.size() == 128);
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CHECK(r1.size() == 128);
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}
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// pulse width smoke tests.
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auto pulses = display->get_pulse_widths();
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REQUIRE(pulses.size() == rows.size());
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for (int i = 1; i < pulses.size(); i++) {
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REQUIRE(pulses[i] == pulses[i - 1] / 2);
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}
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auto [row0, row1] = display->transpose();
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REQUIRE(row0.size() == 128);
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REQUIRE(row1.size() == 128);
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auto ram_ref = bram->get();
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CAPTURE(row0);
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CHECK(std::equal(ram_ref.begin(), ram_ref.begin() + 128, row0.begin(),
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row0.end()));
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}
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SECTION("Line Correctness") {
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// this is the part where we validate that the line in = line out.
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// we have to generate different values since the
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fixture.enable_trace("testing.vcd");
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// generate an entire block of RAM
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auto line = GENERATE(take(1, chunk(512, random(0, 0xFFFFFF))));
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std::copy(line.begin(), line.end(), bram->get().begin());
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fixture.exec();
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REQUIRE(fixture.get_reason() ==
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VerilatorTestFixture<Vhub75e>::FinishReason::Ok);
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auto [row0, row1] = display->transpose();
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REQUIRE(row0.size() == 128);
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REQUIRE(row1.size() == 128);
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auto ram_ref = bram->get();
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for (int i = 0; i < 128; i++) {
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CAPTURE(i);
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CAPTURE(ram_ref[i], row0[i]);
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CHECK(ram_ref[i] == row0[i]);
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CAPTURE(ram_ref[i+256], row1[i]);
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CHECK(ram_ref[i+256] == row1[i]);
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}
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// CHECK(std::equal(ram_ref.begin(), ram_ref.begin() + 128, row0.begin(),
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// row0.end()));
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}
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}
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