test/hotspot/jtreg/runtime/CompressedOops/CompressedClassSpaceSize.java

rev 60538 : imported patch jep387-test.patch

*** 62,77 ****
          output.shouldContain("outside the allowed range")
                .shouldHaveExitValue(1);
  
  
          // Make sure the minimum size is set correctly and printed
          pb = ProcessTools.createJavaProcessBuilder("-XX:+UnlockDiagnosticVMOptions",
                                                     "-XX:CompressedClassSpaceSize=1m",
                                                     "-Xlog:gc+metaspace=trace",
                                                     "-version");
          output = new OutputAnalyzer(pb.start());
!         output.shouldMatch("Compressed class space.*1048576")
                .shouldHaveExitValue(0);
  
  
          // Make sure the maximum size is set correctly and printed
          pb = ProcessTools.createJavaProcessBuilder("-XX:+UnlockDiagnosticVMOptions",
--- 62,79 ----
          output.shouldContain("outside the allowed range")
                .shouldHaveExitValue(1);
  
  
          // Make sure the minimum size is set correctly and printed
+         // (Note: ccs size shall be rounded up to the minimum size of 4m since metaspace reservations
+         //  are done in a 4m granularity. Note that this is **reserved** size and does not affect rss.
          pb = ProcessTools.createJavaProcessBuilder("-XX:+UnlockDiagnosticVMOptions",
                                                     "-XX:CompressedClassSpaceSize=1m",
                                                     "-Xlog:gc+metaspace=trace",
                                                     "-version");
          output = new OutputAnalyzer(pb.start());
!         output.shouldMatch("Compressed class space.*4194304")
                .shouldHaveExitValue(0);
  
  
          // Make sure the maximum size is set correctly and printed
          pb = ProcessTools.createJavaProcessBuilder("-XX:+UnlockDiagnosticVMOptions",