Added test for one shot.

Author: berndporr

CppTimer.h

@@ -45,6 +45,7 @@ class CppTimer
      **/
     virtual void startns(long nanosecs, cppTimerType_t t = PERIODIC) {
 	if (running) return;
+	if (uthread.joinable()) uthread.join();
 	timerType = t;
 	if (fd < 0)
 	    throw("Could not start timer");
@@ -81,6 +82,7 @@ class CppTimer
      **/
     virtual void startms(long millisecs, cppTimerType_t t = PERIODIC) {
 	if (running) return;
+	if (uthread.joinable()) uthread.join();
 	timerType = t;
 	if (fd < 0)
 	    throw("Could not start timer");

test/CMakeLists.txt

@@ -19,3 +19,7 @@ add_test(TestStartStop_ms test_startstop_ms)
 add_executable (test_twotimers_ms twotimers_ms.cpp)
 TARGET_LINK_LIBRARIES(test_twotimers_ms cpptimer)
 add_test(TestTwotimers_ms test_twotimers_ms)
+
+add_executable (test_oneshot oneshot.cpp)
+TARGET_LINK_LIBRARIES(test_oneshot cpptimer)
+add_test(TestOneShot test_oneshot)

test/oneshot.cpp

@@ -0,0 +1,46 @@
+#include <stdio.h>
+#include "CppTimer.h"
+#include <unistd.h>
+#include <time.h>
+#include <thread>
+
+class DemoTimer1 : public CppTimer {
+
+public:
+    bool hasFired = false;
+    void timerEvent() {
+	fprintf(stdout,".");
+	fflush(stdout);
+	hasFired = true;
+    }
+};
+
+
+int main( int, const char** ) {
+	DemoTimer1 demoTimer1;
+	demoTimer1.startns(0.5E9,ONESHOT);
+
+	std::this_thread::sleep_for(std::chrono::seconds(1));
+
+	if (!demoTimer1.hasFired) {
+	    char tmp[] = "nanosec Timer has not fired";
+	    printf("%s\n",tmp);
+	    fflush(stdout);
+	    throw tmp;
+	}
+
+	demoTimer1.hasFired = false;
+
+	demoTimer1.startms(0.5E3,ONESHOT);
+
+	std::this_thread::sleep_for(std::chrono::seconds(1));
+	
+	if (!demoTimer1.hasFired) {
+	    char tmp[] = "ms timer has not fired";
+	    printf("%s\n",tmp);
+	    fflush(stdout);
+	    throw tmp;
+	}
+
+	return 0;
+}