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hotspot/test/gc/arguments/TestMaxHeapSizeTools.java
changeset 21561 c619b1cb4554
parent 17389 25ba661e4352
child 22765 cae8833b9e29
equal deleted inserted replaced
21560:b3ae3ba25ebb 21561:c619b1cb4554 
    62 
    62 
    63     // we check cases with values smaller and larger than this default value.
 
    63     // we check cases with values smaller and larger than this default value.
 
    64     long newPlusOldSize = values[0] + values[1];
 
    64     long newPlusOldSize = values[0] + values[1];
 
    65     long smallValue = newPlusOldSize / 2;
 
    65     long smallValue = newPlusOldSize / 2;
 
    66     long largeValue = newPlusOldSize * 2;
 
    66     long largeValue = newPlusOldSize * 2;
 
       
    67     long maxHeapSize = largeValue + (2 * 1024 * 1024);
 
    67 
    68 
    68     // -Xms is not set
 
    69     // -Xms is not set
 
    69     checkErgonomics(new String[] { gcflag, "-Xmx16M" }, values, -1, -1);
 
    70     checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize }, values, -1, -1);
 
    70     checkErgonomics(new String[] { gcflag, "-Xmx16M", "-XX:InitialHeapSize=" + smallValue }, values, smallValue, smallValue);
 
    71     checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-XX:InitialHeapSize=" + smallValue }, values, -1, smallValue);
 
    71     checkErgonomics(new String[] { gcflag, "-Xmx16M", "-XX:InitialHeapSize=" + largeValue }, values, -1, largeValue);
 
    72     checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-XX:InitialHeapSize=" + largeValue }, values, -1, largeValue);
 
    72     checkErgonomics(new String[] { gcflag, "-Xmx16M", "-XX:InitialHeapSize=0" }, values, -1, -1);
 
    73     checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-XX:InitialHeapSize=0" }, values, -1, -1);
 
    73 
    74 
    74     // -Xms is set to zero
 
    75     // -Xms is set to zero
 
    75     checkErgonomics(new String[] { gcflag, "-Xmx16M", "-Xms0" }, values, -1, -1);
 
    76     checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-Xms0" }, values, -1, -1);
 
    76     checkErgonomics(new String[] { gcflag, "-Xmx16M", "-Xms0", "-XX:InitialHeapSize=" + smallValue }, values, smallValue, smallValue);
 
    77     checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-Xms0", "-XX:InitialHeapSize=" + smallValue }, values, -1, smallValue);
 
    77     checkErgonomics(new String[] { gcflag, "-Xmx16M", "-Xms0", "-XX:InitialHeapSize=" + largeValue }, values, -1, largeValue);
 
    78     checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-Xms0", "-XX:InitialHeapSize=" + largeValue }, values, -1, largeValue);
 
    78     checkErgonomics(new String[] { gcflag, "-Xmx16M", "-Xms0", "-XX:InitialHeapSize=0" }, values, -1, -1);
 
    79     checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-Xms0", "-XX:InitialHeapSize=0" }, values, -1, -1);
 
    79 
    80 
    80     // -Xms is set to small value
 
    81     // -Xms is set to small value
 
    81     checkErgonomics(new String[] { gcflag, "-Xmx16M", "-Xms" + smallValue }, values, -1, -1);
 
    82     checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-Xms" + smallValue }, values, -1, -1);
 
    82     checkErgonomics(new String[] { gcflag, "-Xmx16M", "-Xms" + smallValue, "-XX:InitialHeapSize=" + smallValue }, values, smallValue, smallValue);
 
    83     checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-Xms" + smallValue, "-XX:InitialHeapSize=" + smallValue }, values, smallValue, smallValue);
 
    83     checkErgonomics(new String[] { gcflag, "-Xmx16M", "-Xms" + smallValue, "-XX:InitialHeapSize=" + largeValue }, values, smallValue, largeValue);
 
    84     checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-Xms" + smallValue, "-XX:InitialHeapSize=" + largeValue }, values, smallValue, largeValue);
 
    84     checkErgonomics(new String[] { gcflag, "-Xmx16M", "-Xms" + smallValue, "-XX:InitialHeapSize=0" }, values, smallValue, -1);
 
    85     checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-Xms" + smallValue, "-XX:InitialHeapSize=0" }, values, smallValue, -1);
 
    85 
    86 
    86     // -Xms is set to large value
 
    87     // -Xms is set to large value
 
    87     checkErgonomics(new String[] { gcflag, "-Xmx16M", "-Xms" + largeValue }, values, largeValue, largeValue);
 
    88     checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-Xms" + largeValue }, values, largeValue, largeValue);
 
    88     // the next case has already been checked elsewhere and gives an error
 
    89     checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-Xms" + largeValue, "-XX:InitialHeapSize=0" }, values, largeValue, -1);
 
    89     // checkErgonomics(new String[] { gcflag, "-Xmx16M", "-Xms" + largeValue, "-XX:InitialHeapSize=" + smallValue }, values, smallValue, smallValue);
 
       
    90     // the next case has already been checked elsewhere too
 
       
    91     // checkErgonomics(new String[] { gcflag, "-Xmx16M", "-Xms" + largeValue, "-XX:InitialHeapSize=" + largeValue }, values, values[0], largeValue);
 
       
    92     checkErgonomics(new String[] { gcflag, "-Xmx16M", "-Xms" + largeValue, "-XX:InitialHeapSize=0" }, values, largeValue, -1);
 
       
    93   }
 
    90   }
 
    94 
    91 
    95   private static long align_up(long value, long alignment) {
 
    92   private static long align_up(long value, long alignment) {
 
    96     long alignmentMinusOne = alignment - 1;
 
    93     long alignmentMinusOne = alignment - 1;
 
    97     return (value + alignmentMinusOne) & ~alignmentMinusOne;
 
    94     return (value + alignmentMinusOne) & ~alignmentMinusOne;
jdk-sandbox