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test/hotspot/jtreg/gc/arguments/TestMaxHeapSizeTools.java
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@@ -53,10 +53,12 @@
public static void checkMinInitialMaxHeapFlags(String gcflag) throws Exception {
checkInvalidMinInitialHeapCombinations(gcflag);
checkValidMinInitialHeapCombinations(gcflag);
checkInvalidInitialMaxHeapCombinations(gcflag);
checkValidInitialMaxHeapCombinations(gcflag);
+ checkInvalidMinMaxHeapCombinations(gcflag);
+ checkValidMinMaxHeapCombinations(gcflag);
}
public static void checkMinInitialErgonomics(String gcflag) throws Exception {
// heap sizing ergonomics use the value NewSize + OldSize as default values
// for ergonomics calculation. Retrieve these values.
@@ -69,29 +71,45 @@
long largeValue = newPlusOldSize * 2;
long maxHeapSize = largeValue + (2 * 1024 * 1024);
// -Xms is not set
checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize }, values, -1, -1);
+ checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-XX:MinHeapSize=" + smallValue }, values, smallValue, -1);
+ checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-XX:MinHeapSize=" + largeValue }, values, largeValue, -1);
+ checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-XX:MinHeapSize=0" }, values, -1, -1);
checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-XX:InitialHeapSize=" + smallValue }, values, -1, smallValue);
checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-XX:InitialHeapSize=" + largeValue }, values, -1, largeValue);
checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-XX:InitialHeapSize=0" }, values, -1, -1);
+ // Some extra checks when both are set.
+ checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-XX:MinHeapSize=" + smallValue, "-XX:InitialHeapSize=" + smallValue }, values, smallValue, smallValue);
+ checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-XX:MinHeapSize=" + smallValue, "-XX:InitialHeapSize=" + largeValue }, values, smallValue, largeValue);
+ checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-XX:MinHeapSize=" + largeValue, "-XX:InitialHeapSize=" + largeValue }, values, largeValue, largeValue);
// -Xms is set to zero
checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-Xms0" }, values, -1, -1);
+ checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-Xms0", "-XX:MinHeapSize=" + smallValue }, values, smallValue, -1);
+ checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-Xms0", "-XX:MinHeapSize=" + largeValue }, values, largeValue, -1);
+ checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-Xms0", "-XX:MinHeapSize=0" }, values, -1, -1);
checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-Xms0", "-XX:InitialHeapSize=" + smallValue }, values, -1, smallValue);
checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-Xms0", "-XX:InitialHeapSize=" + largeValue }, values, -1, largeValue);
checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-Xms0", "-XX:InitialHeapSize=0" }, values, -1, -1);
+ checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-Xms0", "-XX:MinHeapSize=" + smallValue, "-XX:InitialHeapSize=" + smallValue }, values, smallValue, smallValue);
+ checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-Xms0", "-XX:MinHeapSize=" + smallValue, "-XX:InitialHeapSize=" + largeValue }, values, smallValue, largeValue);
+ checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-Xms0", "-XX:MinHeapSize=" + largeValue, "-XX:InitialHeapSize=" + largeValue }, values, largeValue, largeValue);
// -Xms is set to small value
checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-Xms" + smallValue }, values, -1, -1);
+ checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-Xms" + smallValue, "-XX:MinHeapSize=" + smallValue }, values, smallValue, smallValue);
+ checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-Xms" + smallValue, "-XX:MinHeapSize=0" }, values, -1, smallValue);
checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-Xms" + smallValue, "-XX:InitialHeapSize=" + smallValue }, values, smallValue, smallValue);
checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-Xms" + smallValue, "-XX:InitialHeapSize=" + largeValue }, values, smallValue, largeValue);
checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-Xms" + smallValue, "-XX:InitialHeapSize=0" }, values, smallValue, -1);
// -Xms is set to large value
checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-Xms" + largeValue }, values, largeValue, largeValue);
checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-Xms" + largeValue, "-XX:InitialHeapSize=0" }, values, largeValue, -1);
+ checkErgonomics(new String[] { gcflag, "-Xmx" + maxHeapSize, "-Xms" + largeValue, "-XX:MinHeapSize=0" }, values, -1, largeValue);
}
private static long align_up(long value, long alignment) {
long alignmentMinusOne = alignment - 1;
return (value + alignmentMinusOne) & ~alignmentMinusOne;
@@ -114,35 +132,57 @@
}
private static void checkInvalidMinInitialHeapCombinations(String gcflag) throws Exception {
expectError(new String[] { gcflag, "-XX:InitialHeapSize=1023K", "-version" });
expectError(new String[] { gcflag, "-Xms64M", "-XX:InitialHeapSize=32M", "-version" });
+ expectError(new String[] { gcflag, "-XX:MinHeapSize=1023K", "-version" });
+ expectError(new String[] { gcflag, "-Xms4M", "-XX:MinHeapSize=8M", "-version" });
+ expectError(new String[] { gcflag, "-XX:MinHeapSize=8M -XX:InitialHeapSize=4m" });
}
private static void checkValidMinInitialHeapCombinations(String gcflag) throws Exception {
expectValid(new String[] { gcflag, "-XX:InitialHeapSize=1024K", "-version" });
expectValid(new String[] { gcflag, "-XX:InitialHeapSize=8M", "-Xms4M", "-version" });
expectValid(new String[] { gcflag, "-Xms4M", "-XX:InitialHeapSize=8M", "-version" });
expectValid(new String[] { gcflag, "-XX:InitialHeapSize=8M", "-Xms8M", "-version" });
+ expectValid(new String[] { gcflag, "-XX:MinHeapSize=1024K", "-version" });
+ expectValid(new String[] { gcflag, "-XX:MinHeapSize=8M", "-Xms4M", "-version" });
+ expectValid(new String[] { gcflag, "-XX:MinHeapSize=8M", "-Xms8M", "-version" });
+ expectValid(new String[] { gcflag, "-Xms8M", "-XX:MinHeapSize=4M", "-version" });
// the following is not an error as -Xms sets both minimal and initial heap size
expectValid(new String[] { gcflag, "-XX:InitialHeapSize=4M", "-Xms8M", "-version" });
+ expectValid(new String[] { gcflag, "-XX:MinHeapSize=4M", "-Xms8M", "-version" });
}
private static void checkInvalidInitialMaxHeapCombinations(String gcflag) throws Exception {
expectError(new String[] { gcflag, "-XX:MaxHeapSize=2047K", "-version" });
expectError(new String[] { gcflag, "-XX:MaxHeapSize=4M", "-XX:InitialHeapSize=8M", "-version" });
expectError(new String[] { gcflag, "-XX:InitialHeapSize=8M", "-XX:MaxHeapSize=4M", "-version" });
}
+ private static void checkInvalidMinMaxHeapCombinations(String gcflag) throws Exception {
+ expectError(new String[] { gcflag, "-XX:MaxHeapSize=4M", "-XX:MinHeapSize=8M", "-version" });
+ expectError(new String[] { gcflag, "-XX:MinHeapSize=8M", "-XX:MaxHeapSize=4M", "-version" });
+ }
+
+
private static void checkValidInitialMaxHeapCombinations(String gcflag) throws Exception {
expectValid(new String[] { gcflag, "-XX:InitialHeapSize=4M", "-XX:MaxHeapSize=8M", "-version" });
expectValid(new String[] { gcflag, "-XX:MaxHeapSize=8M", "-XX:InitialHeapSize=4M", "-version" });
expectValid(new String[] { gcflag, "-XX:MaxHeapSize=4M", "-XX:InitialHeapSize=4M", "-version" });
// a value of "0" for initial heap size means auto-detect
expectValid(new String[] { gcflag, "-XX:MaxHeapSize=4M", "-XX:InitialHeapSize=0M", "-version" });
}
+ private static void checkValidMinMaxHeapCombinations(String gcflag) throws Exception {
+ expectValid(new String[] { gcflag, "-XX:MinHeapSize=4M", "-XX:MaxHeapSize=8M", "-version" });
+ expectValid(new String[] { gcflag, "-XX:MaxHeapSize=8M", "-XX:MinHeapSize=4M", "-version" });
+ expectValid(new String[] { gcflag, "-XX:MaxHeapSize=4M", "-XX:MinHeapSize=4M", "-version" });
+ // a value of "0" for min heap size means auto-detect
+ expectValid(new String[] { gcflag, "-XX:MaxHeapSize=4M", "-XX:MinHeapSize=0M", "-version" });
+ }
+
private static long valueAfter(String source, String match) {
int start = source.indexOf(match) + match.length();
String tail = source.substring(start).split(" ")[0];
return Long.parseLong(tail);
}
@@ -292,6 +332,5 @@
private static void expectValid(String[] flags) throws Exception {
expect(flags, false, false, 0);
}
}
-
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