chore: import upstream snapshot with attribution

2026-07-13 13:29:29 +08:00
commit f52cf32e56
1718 changed files with 366293 additions and 0 deletions
@@ -0,0 +1,46 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <gtest/gtest.h>
+
+#include <unordered_set>
+
+#include "bthread/list_of_abafree_id.h"
+
+namespace bthread {
+// define TestId
+struct TestIdTraits {
+    static const size_t BLOCK_SIZE = 16;
+    static const size_t MAX_ENTRIES = 1000;
+    static const size_t INIT_GC_SIZE = 100;
+    static const int ID_INIT = 0xFF;
+    static std::unordered_set<int> id_set;
+    static bool exists(int id) { return id_set.count(id) > 0; }
+};
+
+std::unordered_set<int> TestIdTraits::id_set;
+
+TEST(AbaListTest, TestGc) {
+    ListOfABAFreeId<int, TestIdTraits> aba_list;
+
+    size_t wait_seq = 0;
+    for (size_t i = 0; i < 1000000; i++) {
+        size_t cnts[1];
+        aba_list.get_sizes(cnts, 1);
+        if (wait_seq > cnts[0] + 1) {
+            wait_seq = 0;
+            TestIdTraits::id_set.clear();
+        }
+        EXPECT_EQ(aba_list.add(i), 0);
+        if (TestIdTraits::id_set.size() < 4) {
+            TestIdTraits::id_set.insert(i);
+        } else {
+            wait_seq++;
+        }
+    }
+    size_t cnts[1];
+    aba_list.get_sizes(cnts, 1);
+    EXPECT_EQ(cnts[0], (size_t)96);
+}
+} // namespace bthread