1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
t = db.jstests_capped3;
t2 = db.jstests_capped3_clone;
t.drop();
t2.drop();
for (i = 0; i < 1000; ++i) {
t.save({i: i});
}
assert.commandWorked(db.runCommand({
cloneCollectionAsCapped: "jstests_capped3",
toCollection: "jstests_capped3_clone",
size: 100000
}),
"A");
c = t2.find();
for (i = 0; i < 1000; ++i) {
assert.eq(i, c.next().i, "B");
}
assert(!c.hasNext(), "C");
t.drop();
t2.drop();
for (i = 0; i < 1000; ++i) {
t.save({i: i});
}
assert.commandWorked(db.runCommand({
cloneCollectionAsCapped: "jstests_capped3",
toCollection: "jstests_capped3_clone",
size: 1000
}),
"D");
c = t2.find().sort({$natural: -1});
i = 999;
while (c.hasNext()) {
assert.eq(i--, c.next().i, "E");
}
// print( "i: " + i );
var str = tojson(t2.stats());
// print( "stats: " + tojson( t2.stats() ) );
assert(i < 990, "F");
t.drop();
t2.drop();
for (i = 0; i < 1000; ++i) {
t.save({i: i});
}
assert.commandWorked(t.convertToCapped(1000), "G");
c = t.find().sort({$natural: -1});
i = 999;
while (c.hasNext()) {
assert.eq(i--, c.next().i, "H");
}
assert(i < 990, "I");
assert(i > 900, "J");
|