Nothing
########################################################
# Unitary tests for memory management in J4R
# Author: Mathieu Fortin, Canadian Wood Fibre Centre
# Date: June 2020
########################################################
context("Memory management tests in J4R")
library(J4R)
j4r.config.setDefaultJVMMemorySize(200)
if (isConnectedToJava()) {
shutdownJava()
}
rm(list = ls())
connectToJava()
# connectToJava(port = c(18011,18012), debug = T)
i <- 0
while (i < 10) {
invisible(createJavaObject("java.util.ArrayList", rep(as.integer(10), 1000)))
# gc()
nbObjects <- getNbInstancesInInternalMap()
print(nbObjects)
# test_that("Test the number of instances is kept at a low level", {
# expect_equal(nbObjects <= 1000, T)
# })
i <- i + 1
}
gc()
nbObjects <- getNbInstancesInInternalMap()
print(nbObjects)
test_that("Test the number of instances is kept at a low level", {
expect_equal(nbObjects <= 1000, T)
})
my100ArrayLists <- createJavaObject("java.util.ArrayList", rep(as.integer(10), 10))
mySecondArrayList <- createJavaObject("java.util.ArrayList")
rm(list = ls())
callJavaGC()
nbObjects <- getNbInstancesInInternalMap()
test_that("Test that there is no instance in memory", {
expect_equal(nbObjects, 0)
})
assign("delayDumpPileFlush", TRUE, envir = settingEnv)
i <- 0
while (i < 10) {
i <- i + 1
invisible(createJavaObject("java.util.ArrayList", rep(as.integer(10), 1000)))
# gc()
# gc()
nbObjects <- getNbInstancesInInternalMap()
test_that("Test if the delay dump pile flush is enabled", {
expect_equal(nbObjects >= i * 1000, T)
})
print(nbObjects)
}
assign("delayDumpPileFlush", FALSE, envir = settingEnv)
callJavaGC()
nbObjects <- getNbInstancesInInternalMap()
test_that("Test that there is no instance in memory", {
expect_equal(nbObjects, 0)
})
gctorture(on = FALSE)
shutdownJava()
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