private double test(StreamTester tester, int numberOfTests) throws IOException {
double duration = 0d;
for (int i = 0; i < numberOfTests; i++) {
long start = System.nanoTime();
tester.doTest();
duration += (double) (System.nanoTime() - start);
}
return duration / 1.0e9;
}
public static void main(String[] args) throws IOException {
StreamsPerfTest perfTest = new StreamsPerfTest();
PrintWriter console = new PrintWriter(System.out, true);
print("temp file:" + TEMP_FILE_NAME);
print("initial file contains " + FILE_CONTENT.length() + " characters");
print("initial file contains " + FILE_CONTENT_LIST.size() + " rows");
print("-------------------------------------------");
String formatPattern = "%1$30s : %2$-10.4f s\n";
print("1. test 10 attempts:");
for (StreamTester tester : TESTERS)
console.printf(formatPattern, tester.getName(), perfTest.test(tester, 10));
print("-------------------------------------------");
print("2. test 100 attempts:");
for (StreamTester tester : TESTERS)
console.printf(formatPattern, tester.getName(), perfTest.test(tester, 100));
print("-------------------------------------------");
print("3. test 200 attempts:");
for (StreamTester tester : TESTERS)
console.printf(formatPattern, tester.getName(), perfTest.test(tester, 200));
print("-------------------------------------------");
}