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8151283: Implement setting jtreg @requires property vm.isG1Supported

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Reviewed-by: tschatzl, iignatyev, mchernov
This commit is contained in:
Dmitry Fazunenko 2016-06-21 18:36:37 +04:00
parent 59e24cdba0
commit b66265312c
1 changed files with 21 additions and 1 deletions
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22
test/jtreg-ext/requires/VMProps.java
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@ -34,6 +34,7 @@ import java.util.Map;
import java.util.concurrent.Callable;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import sun.hotspot.gc.GC;
/**
* The Class to be invoked by jtreg prior Test Suite execution to
@ -56,11 +57,12 @@ public class VMProps implements Callable<Map<String, String>> {
map.put("vm.bits", vmBits());
map.put("vm.flightRecorder", vmFlightRecorder());
map.put("vm.simpleArch", vmArch());
vmGC(map); // vm.gc.X = true/false
dump(map);
return map;
}
/**
* @return vm.simpleArch value of "os.simpleArch" property of tested JDK.
*/
@ -146,6 +148,24 @@ public class VMProps implements Callable<Map<String, String>> {
return "false";
}
/**
* For all existing GC sets vm.gc.X property.
* Example vm.gc.G1=true means:
* VM supports G1
* User either set G1 explicitely (-XX:+UseG1GC) or did not set any GC
* @param map - property-value pairs
*/
protected void vmGC(Map<String, String> map){
GC currentGC = GC.current();
boolean isByErgo = GC.currentSetByErgo();
List<GC> supportedGC = GC.allSupported();
for (GC gc: GC.values()) {
boolean isSupported = supportedGC.contains(gc);
boolean isAcceptable = isSupported && (gc == currentGC || isByErgo);
map.put("vm.gc." + gc.name(), "" + isAcceptable);
}
}
/**
* Dumps the map to the file if the file name is given as the property.
* This functionality could be helpful to know context in the real