Add missing TestClock

2 files changed, 48 insertions, 0 deletions

diff --git a/staging_vespalib/src/vespa/vespalib/util/testclock.cpp b/staging_vespalib/src/vespa/vespalib/util/testclock.cpp
new file mode 100644
index 00000000000..3f14a173a39
--- /dev/null
+++ b/staging_vespalib/src/vespa/vespalib/util/testclock.cpp
@@ -0,0 +1,16 @@
+// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+
+#include "testclock.h"
+#include <vespa/vespalib/util/invokeserviceimpl.h>
+
+namespace vespalib {
+
+TestClock::TestClock()
+    : _ticker(std::make_unique<InvokeServiceImpl>(10ms)),
+      _clock(_ticker->nowPtr())
+{
+}
+
+TestClock::~TestClock() = default;
+
+}
diff --git a/staging_vespalib/src/vespa/vespalib/util/testclock.h b/staging_vespalib/src/vespa/vespalib/util/testclock.h
new file mode 100644
index 00000000000..54e9f1efb6a
--- /dev/null
+++ b/staging_vespalib/src/vespa/vespalib/util/testclock.h
@@ -0,0 +1,32 @@
+// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+#pragma once
+
+#include "clock.h"
+
+namespace vespalib {
+
+class InvokeServiceImpl;
+
+/**
+ * Clock is a clock that updates the time at defined intervals.
+ * It is intended used where you want to check the time with low cost, but where
+ * resolution is not that important.
+ */
+
+class TestClock
+{
+private:
+    std::unique_ptr<InvokeServiceImpl> _ticker;
+    Clock _clock;
+public:
+    TestClock();
+    TestClock(const TestClock &) = delete;
+    TestClock & operator =(const TestClock &) = delete;
+    TestClock(TestClock &&) = delete;
+    TestClock & operator =(TestClock &&) = delete;
+    ~TestClock();
+    const Clock & clock() { return _clock; }
+};
+
+}
+