Added initial timing support. Individual test cases now display run time

information for verbosity >= v2. I'll probably add a command-line
toggle specifically for timing info someday. I also hope to add per-test
and per-suite run time info eventually as well.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@858 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/tools/cppunit/TestListener.cpp

@@ -4,11 +4,14 @@
 #include <cppunit/Test.h>
 #include <cppunit/TestFailure.h>
 #include <iostream>
+#include <stdio.h>
+#include <OS.h>
 
 void
 BTestListener::startTest( CppUnit::Test *test ) {
    	fOkay = true;
    	cout << test->getName() << endl;
+   	startTime = real_time_clock_usecs();
 }
 
 void
@@ -25,9 +28,57 @@ BTestListener::addFailure( const CppUnit::TestFailure &failure ) {
 
 void
 BTestListener::endTest( CppUnit::Test *test )  {
+	bigtime_t length = real_time_clock_usecs() - startTime;
    	if (fOkay)
    		cout << "  + PASSED" << endl;
 //   	else
 //   		cout << "  - FAILED" << endl;
+	printTime(length);
    	cout << endl;
 }	 
+
+void
+BTestListener::printTime(bigtime_t time) {
+	// Print out the elapsed time all pretty and stuff:
+	// time >= 1 minute: HH:MM:SS
+	// 1 minute > time:  XXX ms
+	const bigtime_t oneMillisecond = 1000;
+	const bigtime_t oneSecond = oneMillisecond*1000;
+	const bigtime_t oneMinute = oneSecond*60;
+	const bigtime_t oneHour = oneMinute*60;
+	const bigtime_t oneDay = oneHour*24;
+	if (time >= oneDay) {
+		cout << "    Your test ran for longer than an entire day. Honestly," << endl;
+		cout << "    that's 24 hours. That's a long time. Please write shorter" << endl;
+		cout << "    tests. Clock time: " << time << " microseconds." << endl;
+	} else {
+		cout << "    Clock time: ";
+		if (time >= oneMinute) {
+			bool begun = true;
+			if (begun || time >= oneHour) {
+				begun = true;
+				cout.width(2);
+				cout.fill('0');
+				cout << time / oneHour << ":";
+				time %= oneHour;
+			}
+			if (begun || time >= oneMinute) {
+				begun = true;
+				cout.width(2);
+				cout.fill('0');
+				cout << time / oneMinute << ":";
+				time %= oneMinute;
+			}
+			if (begun || time >= oneSecond) {
+				begun = true;
+				cout.width(2);
+				cout.fill('0');
+				cout << time / oneSecond;
+				time %= oneSecond;
+			}
+		} else {
+			cout << time / oneMillisecond << " ms";
+		}
+		cout << endl;
+	}
+}