1 files changed, 121 insertions, 0 deletions
diff --git a/comphelper/qa/unit/test_traceevent.cxx b/comphelper/qa/unit/test_traceevent.cxx
new file mode 100644
index 000000000000..e7e97b2032a5
--- /dev/null
+++ b/comphelper/qa/unit/test_traceevent.cxx
@@ -0,0 +1,121 @@
+/* -*- 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/.
+ */
+
+#include <sal/config.h>
+
+#include <comphelper/profilezone.hxx>
+#include <comphelper/traceevent.hxx>
+
+#include <rtl/ustring.hxx>
+
+#include <cppunit/TestFixture.h>
+#include <cppunit/extensions/HelperMacros.h>
+
+class TestTraceEvent : public CppUnit::TestFixture
+{
+public:
+    void test();
+
+    CPPUNIT_TEST_SUITE(TestTraceEvent);
+    CPPUNIT_TEST(test);
+    CPPUNIT_TEST_SUITE_END();
+};
+
+namespace
+{
+void trace_event_test()
+{
+    // When we start recording is off and this will not generate any 'X' event
+    comphelper::ProfileZone aZone0("test().0");
+
+    // This will not generate any 'b' and 'e' events either
+    auto pAsync1(std::make_shared<comphelper::AsyncEvent>("async 1"));
+
+    std::weak_ptr<comphelper::AsyncEvent> pAsync2;
+    {
+        // No 'X' by this either
+        comphelper::ProfileZone aZone1("block 1");
+
+        // Now we turn on recording
+        comphelper::TraceEvent::startRecording();
+
+        // As this is nested in the parent that was created with recording turned off,
+        // this will not generate any 'b' and 'e' events either
+        pAsync2 = comphelper::AsyncEvent::createWithParent("async 2", pAsync1);
+    }
+
+    // This will generate an 'i' event
+    comphelper::TraceEvent::addInstantEvent("instant 1");
+
+    std::shared_ptr<comphelper::AsyncEvent> pAsync25;
+    {
+        comphelper::ProfileZone aZone2("block 2");
+
+        // This does not generate any 'e' event as it was created when recording was off
+        // And the nested "async 2" object will thus not generate anything either
+        pAsync1.reset();
+
+        // This will generate 'b' event and an 'e' event when the pointer is reset or goes out of scope
+        pAsync25 = std::make_shared<comphelper::AsyncEvent>("async 2.5");
+
+        // Leaving this scope will generate an 'X' event for "block 2"
+    }
+
+    // Verify that the weak_ptr to pAsync2 has expired as its parent pAsync1 has been finished off
+    CPPUNIT_ASSERT(pAsync2.expired());
+
+    // This will generate a 'b' event
+    auto pAsync3(std::make_shared<comphelper::AsyncEvent>("async 3"));
+
+    std::weak_ptr<comphelper::AsyncEvent> pAsync4;
+    {
+        comphelper::ProfileZone aZone3("block 3");
+
+        pAsync4 = comphelper::AsyncEvent::createWithParent("async 4", pAsync3);
+
+        // Leaving this scope will generate an 'X' event for "block 3"
+    }
+
+    // This will generate an 'e' event for "async 2.5"
+    pAsync25.reset();
+
+    comphelper::ProfileZone aZone4("test().2");
+
+    // This will generate an 'i' event
+    comphelper::TraceEvent::addInstantEvent("instant 2");
+
+    // Leaving this scope will generate 'X' events for "test().2" and a 'e' event for pAsync4 and pAsync3
+}
+}
+
+void TestTraceEvent::test()
+{
+    trace_event_test();
+    auto aEvents = comphelper::TraceEvent::getEventVectorAndClear();
+    for (const auto& s : aEvents)
+    {
+        std::cerr << s << "\n";
+    }
+
+    CPPUNIT_ASSERT(aEvents[0].startsWith("{\"name:\"instant 1\",\"ph\":\"i\","));
+    CPPUNIT_ASSERT(aEvents[1].startsWith("{\"name\":\"async 2.5\",\"ph\":\"b\",\"id\":1\","));
+    CPPUNIT_ASSERT(aEvents[2].startsWith("{\"name\":\"block 2\",\"ph\":\"X\","));
+    CPPUNIT_ASSERT(aEvents[3].startsWith("{\"name\":\"async 3\",\"ph\":\"b\",\"id\":2\","));
+    CPPUNIT_ASSERT(aEvents[4].startsWith("{\"name\":\"async 4\",\"ph\":\"b\",\"id\":2\","));
+    CPPUNIT_ASSERT(aEvents[5].startsWith("{\"name\":\"block 3\",\"ph\":\"X\","));
+    CPPUNIT_ASSERT(aEvents[6].startsWith("{\"name\":\"async 2.5\",\"ph\":\"e\",\"id\":1\","));
+    CPPUNIT_ASSERT(aEvents[7].startsWith("{\"name:\"instant 2\",\"ph\":\"i\","));
+    CPPUNIT_ASSERT(aEvents[8].startsWith("{\"name\":\"test().2\",\"ph\":\"X\""));
+    CPPUNIT_ASSERT(aEvents[9].startsWith("{\"name\":\"async 4\",\"ph\":\"e\",\"id\":2\","));
+    CPPUNIT_ASSERT(aEvents[10].startsWith("{\"name\":\"async 3\",\"ph\":\"e\",\"id\":2\","));
+}
+
+CPPUNIT_TEST_SUITE_REGISTRATION(TestTraceEvent);
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */