From 52c021ee0b0c6ad2128ed550c694aad0d11d4c3f Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 21 Apr 2024 16:53:22 +0200
Subject: Adding upstream version 2.5.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/lib/asiolink/tests/io_service_unittest.cc | 48 +++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 src/lib/asiolink/tests/io_service_unittest.cc

(limited to 'src/lib/asiolink/tests/io_service_unittest.cc')

diff --git a/src/lib/asiolink/tests/io_service_unittest.cc b/src/lib/asiolink/tests/io_service_unittest.cc
new file mode 100644
index 0000000..7a96702
--- /dev/null
+++ b/src/lib/asiolink/tests/io_service_unittest.cc
@@ -0,0 +1,48 @@
+// Copyright (C) 2013-2020 Internet Systems Consortium, Inc. ("ISC")
+//
+// 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 <config.h>
+
+#include <asiolink/io_service.h>
+
+#include <gtest/gtest.h>
+#include <functional>
+#include <vector>
+
+using namespace isc::asiolink;
+
+namespace {
+
+void
+postedEvent(std::vector<int>* destination, int value) {
+    destination->push_back(value);
+}
+
+// Check the posted events are called, in the same order they are posted.
+TEST(IOService, post) {
+    std::vector<int> called;
+    IOService service;
+    // Post two events
+    service.post(std::bind(&postedEvent, &called, 1));
+    service.post(std::bind(&postedEvent, &called, 2));
+    service.post(std::bind(&postedEvent, &called, 3));
+    // They have not yet been called
+    EXPECT_TRUE(called.empty());
+    // Process two events
+    service.runOne();
+    service.runOne();
+    // Both events were called in the right order
+    ASSERT_EQ(2, called.size());
+    EXPECT_EQ(1, called[0]);
+    EXPECT_EQ(2, called[1]);
+
+    // Test that poll() executes the last handler.
+    service.poll();
+    ASSERT_EQ(3, called.size());
+    EXPECT_EQ(3, called[2]);
+}
+
+}
-- 
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