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[GC] Fix a test failure on G1 Concurrent GC MXBean #789

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Feb 4, 2024
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[GC] Fix a test failure on G1 Concurrent GC MXBean #789

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15 changes: 10 additions & 5 deletions ...k/com/sun/management/GarbageCollectorMXBean/GarbageCollectionNotificationContentTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -154,7 +154,11 @@ private static void checkGarbageCollectionNotificationInfoContent(GarbageCollect
System.out.println(" Before GC: " + busage);
System.out.println(" After GC: " + ausage);

checkMemoryUsage(poolname, busage, ausage);
String checkedPoolName = "Eden Space";
if ("G1 Concurrent GC".equals(notif.getGcName())) {
checkedPoolName = "G1 Old Gen";
}
checkMemoryUsage(poolname, checkedPoolName, busage, ausage);
}

// check if memory usage for all memory pools are returned
Expand All @@ -167,11 +171,12 @@ private static void checkGarbageCollectionNotificationInfoContent(GarbageCollect
}
}

private static void checkMemoryUsage(String poolname, MemoryUsage busage, MemoryUsage ausage) throws Exception {
if (poolname.contains("Eden Space") && busage.getUsed() > 0) {
// Used size at Eden Space should be decreased or
private static void checkMemoryUsage(String poolname, String checkedPoolName,
MemoryUsage busage, MemoryUsage ausage) throws Exception {
if (poolname.contains(checkedPoolName) && busage.getUsed() > 0) {
// Used size at the checked pool should be decreased or
if (busage.getUsed() <= ausage.getUsed()) {
throw new RuntimeException("Used size at Eden Space should be decreased.");
throw new RuntimeException("Used size at " + checkedPoolName + " should be decreased.");
}
}
}
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