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
|
import util.hashing.Hashing
object Test {
def main(args: Array[String]): Unit = {
hashing()
equality()
}
def hashing(): Unit = {
import collection._
val tm = new concurrent.TrieMap[String, String](Hashing.fromFunction(x => x.length + x(0).toInt), Equiv.universal)
tm.put("a", "b")
tm.put("c", "d")
assert(tm("a") == "b")
assert(tm("c") == "d")
for (i <- 0 until 1000) tm(i.toString) = i.toString
for (i <- 0 until 1000) assert(tm(i.toString) == i.toString)
}
def equality(): Unit = {
import collection._
val tm = new concurrent.TrieMap[String, String](Hashing.fromFunction(x => x(0).toInt), Equiv.fromFunction(_(0) == _(0)))
tm.put("a", "b")
tm.put("a1", "d")
tm.put("b", "c")
assert(tm("a") == "d", tm)
assert(tm("b") == "c", tm)
for (i <- 0 until 1000) tm(i.toString) = i.toString
assert(tm.size == 12, tm)
assert(tm("0") == "0", tm)
for (i <- 1 to 9) assert(tm(i.toString) == i.toString + "99", tm)
}
}
|