deep-c-rsc/JCGO/examples/simple/TrigCompileAllVmClasses.java
2021-07-16 17:12:20 -05:00

72 lines
2.1 KiB
Java

// this test should trig inclusion of all VM classes in the compilation set
import java.lang.management.*;
class TrigCompileAllVmClasses implements java.io.Serializable
{
static void main(String[] args) throws Throwable
{
if (args == null)
return;
"".intern();
new java.lang.ref.SoftReference("");
new java.util.Date();
new java.io.File("!").deleteOnExit();
java.nio.ByteBuffer.allocateDirect(1);
Runtime.getRuntime().exec(""); // throws IndexOutOfBoundsException
Runtime.runFinalizersOnExit(true);
Compiler.command("");
new java.net.Socket("", 0);
java.lang.reflect.Array.newInstance(byte.class, 0);
Thread.class.getDeclaredFields();
java.lang.reflect.Proxy.getProxyClass(Object[][].class.getClassLoader(),
new Class[] { Runnable.class });
ManagementFactory.getClassLoadingMXBean().isVerbose();
ManagementFactory.getCompilationMXBean().getTotalCompilationTime();
ManagementFactory.getMemoryMXBean().setVerbose(false);
ManagementFactory.getRuntimeMXBean().getInputArguments();
ManagementFactory.getThreadMXBean().getThreadCpuTime(0);
((GarbageCollectorMXBean)ManagementFactory.getGarbageCollectorMXBeans().
get(0)).getCollectionCount();
((MemoryManagerMXBean)ManagementFactory.getMemoryManagerMXBeans().
get(0)).isValid();
((MemoryPoolMXBean)ManagementFactory.getMemoryPoolMXBeans().
get(0)).getCollectionUsageThreshold();
Math.IEEEremainder(0,0);
Math.acos(0);
Math.asin(0);
Math.atan2(0,0);
Math.atan(0);
Math.cbrt(0);
Math.ceil(0);
Math.cos(0);
Math.cosh(0);
Math.exp(0);
Math.expm1(0);
Math.floor(0);
Math.hypot(0,0);
Math.log10(0);
Math.log1p(0);
Math.log(0);
Math.pow(0,0);
Math.rint(0);
Math.sin(0);
Math.sinh(0);
Math.sqrt(0);
Math.tan(0);
Math.tanh(0);
Class.forName("java.lang.VMClassLoader$ClassParser");
Class.forName("sun.misc.Unsafe").getMethod("getUnsafe", new Class[]{});
Class.forName("gnu.java.lang.InstrumentationImpl").getMethod(
"getAllLoadedClasses", new Class[]{});
Class.forName("gnu.java.lang.management.VMOperatingSystemMXBeanImpl").
getMethod("getSystemLoadAverage", new Class[]{});
}
}