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/*
* @tags: [blacklist_from_ppc64le]
*/
var col = db.memoryTest;
var buildInfo = db.adminCommand("buildInfo");
var codeCoverageVariant = buildInfo.buildEnvironment.ccflags.includes("-ftest-coverage");
// If mongod was compiled with the code coverage flag, reduce some tests, as they take excessive
// time.
// test creating many collections to make sure no internal cache goes OOM
var loopNum = codeCoverageVariant ? 100 : 10000;
for (var i = 0; i < loopNum; ++i) {
name = "memoryTest" + i;
if ((i % 1000) == 0)
print("Processing " + name);
db.eval(function(col) {
for (var i = 0; i < 100; ++i) {
db[col + "_" + i].find();
}
}, name);
}
// test recovery of JS engine after out of memory
db.system.js.save({
"_id": "f1",
"value": function(n) {
a = [];
b = [];
c = [];
for (i = 0; i < n; i++) {
a.push(Math.random());
b.push(Math.random());
c.push(Math.random());
}
}
});
// do mix of calls to make sure OOM is handled with no permanent damage
db.eval("f1(10)");
assert.throws(function() {
db.eval("f1(100000000)");
});
db.eval("f1(10)");
assert.throws(function() {
db.eval("f1(1000000000)");
});
loopNum = codeCoverageVariant ? 10000 : 1000000;
db.eval("f1(" + loopNum + ")");
db.eval("f1(" + loopNum + ")");
db.eval("f1(" + loopNum + ")");
assert.throws(function() {
db.eval("f1(100000000)");
});
db.eval("f1(10)");
db.eval("f1(" + loopNum + ")");
db.eval("f1(" + loopNum + ")");
db.eval("f1(" + loopNum + ")");
// also test $where
col.drop();
col.insert({a: 1});
col.findOne({$where: "var arr = []; for (var i = 0; i < " + loopNum + "; ++i) {arr.push(0);}"});
assert.throws(function() {
col.findOne({$where: "var arr = []; for (var i = 0; i < 1000000000; ++i) {arr.push(0);}"});
});
col.findOne({$where: "var arr = []; for (var i = 0; i < " + loopNum + "; ++i) {arr.push(0);}"});
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