public void testLongArray() throws Exception {
cleanTestOutput();
// Create the first long array and do random updates
int subArrayShift = 16;
int subArraySize = 1 << subArrayShift;
int maxEntrySize = 500;
int maxEntries = 10;
LongArray array1 =
new DynamicLongArrayImpl(TEST_OUTPUT_DIR, subArrayShift, maxEntrySize, maxEntries);
int memberIdStart = 0;
MemberDataUpdate[] updates1 = MemberDataUpdate.generateUpdates(memberIdStart, subArraySize);
memberIdStart += subArraySize;
MemberDataUpdate[] updates2 = MemberDataUpdate.generateUpdates(memberIdStart, subArraySize);
memberIdStart += subArraySize;
MemberDataUpdate[] updates3 = MemberDataUpdate.generateUpdates(memberIdStart, subArraySize);
// 1st batch of updates
for (MemberDataUpdate u : updates1) {
array1.setData(u.getMemberId(), u.getData(), u.getScn());
}
int testIndex = 0;
assertTrue("member " + testIndex + " is not in range", array1.indexInRange(testIndex));
testIndex += subArraySize;
assertTrue("member " + testIndex + " is in range", !array1.indexInRange(testIndex));
assertTrue("incorrect array size", array1.length() == subArraySize);
// 2nd batch of updates
for (MemberDataUpdate u : updates2) {
array1.setData(u.getMemberId(), u.getData(), u.getScn());
}
assertTrue("member " + testIndex + " is not in range", array1.indexInRange(testIndex));
testIndex += subArraySize;
assertTrue("member " + testIndex + " is in range", !array1.indexInRange(testIndex));
assertTrue("incorrect array size", array1.length() == subArraySize * 2);
// 3rd batch of updates
for (MemberDataUpdate u : updates3) {
array1.setData(u.getMemberId(), u.getData(), u.getScn());
}
assertTrue("member " + testIndex + " is not in range", array1.indexInRange(testIndex));
testIndex += subArraySize;
assertTrue("member " + testIndex + " is in range", !array1.indexInRange(testIndex));
assertTrue("incorrect array size", array1.length() == subArraySize * 3);
// Random-update the entire array
MemberDataUpdate[] updates = MemberDataUpdate.generateUpdates(0, array1.length());
for (MemberDataUpdate u : updates) {
array1.setData(u.getMemberId(), u.getData(), u.getScn());
}
for (MemberDataUpdate u : updates) {
assert array1.getData(u.getMemberId()) == u.getData();
}
// Create the second array, which should load data from cache
LongArray array2 =
new DynamicLongArrayImpl(TEST_OUTPUT_DIR, subArrayShift, maxEntrySize, maxEntries);
assertTrue(
"array2.getHWMark() is greater than array1.getHWMark()",
array2.getHWMark() <= array1.getHWMark());
// Persist the first array
array1.persist();
// Create the third array, which should load data from cache
LongArray array3 =
new DynamicLongArrayImpl(TEST_OUTPUT_DIR, subArrayShift, maxEntrySize, maxEntries);
assertTrue(
"array3.getHWMark() is greater than array1.getHWMark()",
array3.getHWMark() <= array1.getHWMark());
int nonZeroCount = 0;
for (int index = 0; index < array1.length(); index++) {
if (array1.getData(index) > 0) nonZeroCount++;
assert array1.getData(index) == array3.getData(index);
}
assertTrue("all zeros in array1", nonZeroCount > 0);
cleanTestOutput();
}
