< prev index next >

test/hotspot/jtreg/gc/shenandoah/options/TestLoopMiningArguments.java

Print this page
rev 59823 : 8247751: Shenandoah: options tests should run with smaller heaps
Reviewed-by: XXX


  23  */
  24 
  25 /*
  26  * @test TestLoopMiningArguments
  27  * @summary Test that loop mining arguments are sane
  28  * @requires vm.gc.Shenandoah & !vm.graal.enabled
  29  * @requires vm.flavor == "server"
  30  * @library /test/lib
  31  * @run driver TestLoopMiningArguments
  32  */
  33 
  34 import java.util.*;
  35 
  36 import jdk.test.lib.Asserts;
  37 import jdk.test.lib.process.ProcessTools;
  38 import jdk.test.lib.process.OutputAnalyzer;
  39 
  40 public class TestLoopMiningArguments {
  41 
  42     public static void testWith(String msg, boolean cls, int iters, String... args) throws Exception {
  43         String[] cmds = Arrays.copyOf(args, args.length + 2);
  44         cmds[args.length] = "-XX:+PrintFlagsFinal";
  45         cmds[args.length + 1] = "-version";

  46         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(cmds);
  47         OutputAnalyzer output = new OutputAnalyzer(pb.start());
  48         output.shouldHaveExitValue(0);
  49         output.shouldContain("UseCountedLoopSafepoints");
  50         output.shouldContain("LoopStripMiningIter");
  51 
  52         Asserts.assertEQ(output.firstMatch("(.+?) UseCountedLoopSafepoints.+?= (.+?) (.+?)", 2), Boolean.toString(cls), msg + ", but got wrong CLS");
  53         Asserts.assertEQ(output.firstMatch("(.+?) LoopStripMiningIter.+?= (.+?) (.+?)", 2), String.valueOf(iters), msg + ", but got wrong LSM");
  54     }
  55 
  56     public static void main(String[] args) throws Exception {
  57         testWith("Shenandoah should have CLS and LSM enabled",
  58                 true, 1000,
  59                 "-XX:+UnlockExperimentalVMOptions",
  60                 "-XX:+UseShenandoahGC"
  61         );
  62 
  63         testWith("Shenandoah with +CLS should set LSM = 1",
  64                 true, 1,
  65                 "-XX:+UnlockExperimentalVMOptions",




  23  */
  24 
  25 /*
  26  * @test TestLoopMiningArguments
  27  * @summary Test that loop mining arguments are sane
  28  * @requires vm.gc.Shenandoah & !vm.graal.enabled
  29  * @requires vm.flavor == "server"
  30  * @library /test/lib
  31  * @run driver TestLoopMiningArguments
  32  */
  33 
  34 import java.util.*;
  35 
  36 import jdk.test.lib.Asserts;
  37 import jdk.test.lib.process.ProcessTools;
  38 import jdk.test.lib.process.OutputAnalyzer;
  39 
  40 public class TestLoopMiningArguments {
  41 
  42     public static void testWith(String msg, boolean cls, int iters, String... args) throws Exception {
  43         String[] cmds = Arrays.copyOf(args, args.length + 3);
  44         cmds[args.length] = "-Xmx128m";
  45         cmds[args.length + 1] = "-XX:+PrintFlagsFinal";
  46         cmds[args.length + 2] = "-version";
  47         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(cmds);
  48         OutputAnalyzer output = new OutputAnalyzer(pb.start());
  49         output.shouldHaveExitValue(0);
  50         output.shouldContain("UseCountedLoopSafepoints");
  51         output.shouldContain("LoopStripMiningIter");
  52 
  53         Asserts.assertEQ(output.firstMatch("(.+?) UseCountedLoopSafepoints.+?= (.+?) (.+?)", 2), Boolean.toString(cls), msg + ", but got wrong CLS");
  54         Asserts.assertEQ(output.firstMatch("(.+?) LoopStripMiningIter.+?= (.+?) (.+?)", 2), String.valueOf(iters), msg + ", but got wrong LSM");
  55     }
  56 
  57     public static void main(String[] args) throws Exception {
  58         testWith("Shenandoah should have CLS and LSM enabled",
  59                 true, 1000,
  60                 "-XX:+UnlockExperimentalVMOptions",
  61                 "-XX:+UseShenandoahGC"
  62         );
  63 
  64         testWith("Shenandoah with +CLS should set LSM = 1",
  65                 true, 1,
  66                 "-XX:+UnlockExperimentalVMOptions",


< prev index next >