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// ticket #3829
object Test {
import collection.{ mutable, immutable }
def main(args: Array[String]) {
val map = immutable.Map(1 -> 2, 3 -> 4)
assert(map.get(0) == None)
val defmap = map.withDefaultValue(-1)
assert(defmap.get(0) == Some(-1))
assert(defmap.size == 2)
assert(defmap.iterator.size == 2)
assert(defmap.empty.get(0) == Some(-1))
assert((defmap + (2 -> 3)).get(0) == Some(-1))
assert((defmap + (2 -> 3)).get(1) == Some(2))
assert((defmap + (2 -> 3)).get(2) == Some(3))
assert((defmap - 1).get(0) == Some(-1))
assert((defmap - 1).get(1) == Some(-1))
assert((defmap - 1).get(3) == Some(4))
val mutmap = mutable.Map(1 -> 2, 2 -> 3)
assert(mutmap.get(0) == None)
val defmutmap = mutmap.withDefaultValue(-1)
assert(defmutmap.get(0) == Some(-1))
assert(defmutmap.get(3) == Some(-1))
mutmap += 3 -> 4
assert(defmutmap.get(3) == Some(4))
assert(defmutmap.get(1) == Some(2))
mutmap -= 1
assert(defmutmap.get(1) == Some(-1))
assert(mutmap.get(1) == None)
defmutmap += 1 -> 2
assert(defmutmap.get(1) == Some(2))
assert(mutmap.get(1) == Some(2))
}
}
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