1 files changed, 81 insertions, 0 deletions
diff --git a/binaryurp/qa/test-cache.cxx b/binaryurp/qa/test-cache.cxx
new file mode 100644
index 000000000..c4696f783
--- /dev/null
+++ b/binaryurp/qa/test-cache.cxx
@@ -0,0 +1,81 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <cstddef>
+
+#include <sal/types.h>
+#include <cppunit/TestAssert.h>
+#include <cppunit/TestFixture.h>
+#include <cppunit/extensions/HelperMacros.h>
+#include <cppunit/plugin/TestPlugIn.h>
+
+#include "../source/cache.hxx"
+
+namespace {
+
+class Test: public CppUnit::TestFixture {
+private:
+    CPPUNIT_TEST_SUITE(Test);
+    CPPUNIT_TEST(testNothingLostFromLruList);
+    CPPUNIT_TEST_SUITE_END();
+
+    void testNothingLostFromLruList();
+};
+
+// cf. jurt/test/com/sun/star/lib/uno/protocols/urp/Cache_Test.java:
+void Test::testNothingLostFromLruList() {
+    int a[8];
+    for (std::size_t i = 0; i != std::size(a); ++i) {
+        for (std::size_t j = 0; j != i; ++j) {
+            a[j] = 0;
+        }
+        for (;;) {
+            binaryurp::Cache< int > c(4);
+            for (std::size_t k = 0; k != i; ++k) {
+                bool f;
+                c.add(a[k], &f);
+            }
+            bool f;
+            CPPUNIT_ASSERT_EQUAL(
+                6,
+                c.add(-1, &f) + c.add(-2, &f) + c.add(-3, &f) + c.add(-4, &f));
+            std::size_t j = i;
+            while (j != 0 && a[j - 1] == 3) {
+                --j;
+            }
+            if (j == 0) {
+                break;
+            }
+            ++a[j - 1];
+            for (std::size_t k = j; k != i; ++k) {
+                a[k] = 0;
+            }
+        }
+    }
+}
+
+CPPUNIT_TEST_SUITE_REGISTRATION(Test);
+
+}
+
+CPPUNIT_PLUGIN_IMPLEMENT();
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */