优化了 还是卡

web_server/tests/Page_Session_Tests.cpp

@@ -1,36 +0,0 @@
-#include "web_server/src/Page_Session.hpp"
-#include <gtest/gtest.h>
-
-namespace aethera::web {
-TEST(Page_Session, New_Page_Displaces_Previous_Page_Without_Waiting_For_Close) {
-    Page_Session session;
-    const auto first_token = session.begin_page();
-    std::size_t displaced{};
-    const auto first_connection = session.attach(
-        first_token, [&displaced] { ++displaced; });
-    ASSERT_TRUE(first_connection.has_value());
-
-    const auto second_token = session.begin_page();
-    EXPECT_NE(first_token, second_token);
-    EXPECT_EQ(displaced, 1U);
-    EXPECT_EQ(session.attach(first_token, [] {}).error(),
-              Page_Session::Attach_Result::stale_session);
-
-    const auto second_connection = session.attach(second_token, [] {});
-    EXPECT_TRUE(second_connection.has_value());
-    session.detach(*first_connection);
-    session.detach(*second_connection);
-}
-
-TEST(Page_Session, One_Page_Can_Attach_All_Of_Its_Connections) {
-    Page_Session session;
-    const auto token = session.begin_page();
-    const auto gallery = session.attach(token, [] {});
-    const auto plot = session.attach(token, [] {});
-    ASSERT_TRUE(gallery.has_value());
-    ASSERT_TRUE(plot.has_value());
-    EXPECT_NE(*gallery, *plot);
-    session.detach(*gallery);
-    session.detach(*plot);
-}
-}

web_server/tests/Sliding_Statistics_Tests.cpp

@@ -1,5 +1,6 @@
 #include <frame_statistics.hpp>
 #include <gtest/gtest.h>
+#include <cmath>
 #include <limits>
 
 namespace aethera::web {
@@ -52,4 +53,18 @@ TEST(Sliding_Statistics, Estimates_Quantiles_Without_Growing_The_Window) {
     EXPECT_NEAR(state.p95, 950.0, 15.0);
     EXPECT_NEAR(state.p99, 990.0, 15.0);
 }
+
+TEST(Sliding_Statistics, Keeps_Approximate_Quantiles_Ordered_For_Nonstationary_Input) {
+    Sliding_Statistics statistics{16};
+    for (std::size_t phase = 0; phase < 200; ++phase) {
+        const double baseline = phase % 2 == 0 ? 1'000'000.0 : -1'000'000.0;
+        for (std::size_t sample = 0; sample < 17; ++sample) {
+            const auto state = statistics.submit(
+                baseline + static_cast<double>(sample * sample));
+            EXPECT_TRUE(std::isfinite(state.trimmed_average));
+            EXPECT_LE(state.p50, state.p95);
+            EXPECT_LE(state.p95, state.p99);
+        }
+    }
+}
 }