8148849: Truncating Duration
Summary: Introduce a new method to truncatedTo()
Reviewed-by: rriggs, scolebourne
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/*
* @test
* @bug 8148630
* @summary -Xlog:startuptime should produce logging from the source code
* @library /testlibrary
* @modules java.base/jdk.internal.misc
* java.management
* @build jdk.test.lib.OutputAnalyzer jdk.test.lib.ProcessTools
* @run driver StartupTimeTest
*/
import jdk.test.lib.OutputAnalyzer;
import jdk.test.lib.ProcessTools;
public class StartupTimeTest {
static void analyzeOutputOn(ProcessBuilder pb) throws Exception {
OutputAnalyzer output = new OutputAnalyzer(pb.start());
output.shouldMatch("(Genesis, [0-9]+.[0-9]+ secs)");
output.shouldMatch("(Start VMThread, [0-9]+.[0-9]+ secs)");
output.shouldMatch("(Create VM, [0-9]+.[0-9]+ secs)");
output.shouldHaveExitValue(0);
}
static void analyzeOutputOff(ProcessBuilder pb) throws Exception {
OutputAnalyzer output = new OutputAnalyzer(pb.start());
output.shouldNotContain("[startuptime]");
output.shouldHaveExitValue(0);
}
public static void main(String[] args) throws Exception {
ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-Xlog:startuptime",
InnerClass.class.getName());
analyzeOutputOn(pb);
pb = ProcessTools.createJavaProcessBuilder("-Xlog:startuptime=off",
InnerClass.class.getName());
analyzeOutputOff(pb);
}
public static class InnerClass {
public static void main(String[] args) throws Exception {
System.out.println("Testing startuptime.");
}
}
}