feat: add test for ensuring resolution of steady_clock

CMakeLists.txt

@@ -1823,6 +1823,7 @@ add_executable(mixxx-test
   src/test/broadcastsettings_test.cpp
   src/test/cache_test.cpp
   src/test/channelhandle_test.cpp
+  src/test/chrono_clock_resolution_test.cpp
   src/test/colorconfig_test.cpp
   src/test/colormapperjsproxy_test.cpp
   src/test/colorpalette_test.cpp

src/test/chrono_clock_resolution_test.cpp

@@ -0,0 +1,30 @@
+#include <gtest/gtest.h>
+
+#include <algorithm>
+#include <chrono>
+#include <vector>
+
+namespace {
+
+static constexpr auto kMinResolution = std::chrono::milliseconds(1);
+static constexpr auto kNumIterations = 1000;
+
+} // namespace
+
+using namespace std::chrono_literals;
+
+TEST(ChronoClockResolutionTest, SteadyClockTicksAreSmallerThan1Ms) {
+    std::vector<std::chrono::nanoseconds> ticks;
+    ticks.reserve(kNumIterations);
+    for (int i = 0; i < kNumIterations; ++i) {
+        const auto start = std::chrono::steady_clock::now();
+        const auto end = std::chrono::steady_clock::now();
+        ticks.push_back(end - start);
+    }
+    // Make sure there is no aliasing going on.
+    ASSERT_TRUE(std::all_of(ticks.begin(), ticks.end(), [](const auto& tick) {
+        return tick >= 0ns;
+    }));
+    // make sure that at least one duration is smaller than the minimum resolution
+    ASSERT_LT(*std::min_element(ticks.begin(), ticks.end()), kMinResolution);
+};