1 files changed, 49 insertions, 0 deletions
diff --git a/Swiften/Base/UnitTest/LogTest.cpp b/Swiften/Base/UnitTest/LogTest.cpp
new file mode 100644
index 0000000..5d710db
--- /dev/null
+++ b/Swiften/Base/UnitTest/LogTest.cpp
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2019 Isode Limited.
+ * All rights reserved.
+ * See the COPYING file for more information.
+ */
+
+#include <vector>
+
+#include <boost/algorithm/string/predicate.hpp>
+
+#include <gtest/gtest.h>
+
+#include <Swiften/Base/Log.h>
+
+using namespace Swift;
+
+struct LogEntry {
+    LogEntry(Log::Severity severity, std::string file, int line, std::string function, std::string message) : severity(severity), file(std::move(file)), line(line), function(std::move(function)), message(std::move(message)) {}
+
+    Log::Severity severity;
+    std::string file;
+    int line;
+    std::string function;
+    std::string message;
+};
+
+// Helper class to set the logging callback.  Using this class to set it will ensure the
+// logCallback is reset to empty (its default state) after each test.
+class LogCallbackSetter {
+public:
+    LogCallbackSetter(Log::Callback callback) {
+        Log::setLogCallback(callback);
+    }
+    ~LogCallbackSetter() {
+        Log::setLogCallback({});
+    }
+};
+
+TEST(LogTest, testCallback) {
+    std::vector<LogEntry> logEntries;
+    LogCallbackSetter callbackSetter = {[&](Log::Severity severity, const std::string& file, int line, const std::string& function, const std::string& message) {
+        logEntries.emplace_back(severity, file, line, function, message);
+    }};
+
+    SWIFT_LOG(error) << "An error";
+    ASSERT_EQ(1, logEntries.size());
+    ASSERT_EQ(Log::error, logEntries[0].severity);
+    ASSERT_EQ("An error", logEntries[0].message);
+}