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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)
// Since r24255 defaultMap.get(x) returns None rather than
// using the default, so these mostly use apply.
val defmap = map.withDefaultValue(-1)
assert(defmap(0) == -1)
assert(defmap.size == 2)
assert(defmap.iterator.size == 2)
assert(defmap.empty(0) == -1)
assert((defmap + (2 -> 3))(0) == -1)
assert((defmap + (2 -> 3))(1) == 2)
assert((defmap + (2 -> 3))(2) == 3)
assert((defmap - 1)(0) == -1)
assert((defmap - 1)(1) == -1)
assert((defmap - 1)(3) == 4)
val mutmap = mutable.Map(1 -> 2, 2 -> 3)
assert(mutmap.get(0) == None)
val defmutmap = mutmap.withDefaultValue(-1)
assert(defmutmap(0) == -1)
assert(defmutmap(3) == -1)
mutmap += 3 -> 4
assert(defmutmap(3) == 4)
assert(defmutmap(1) == 2)
mutmap -= 1
assert(defmutmap(1) == -1)
assert(mutmap.get(1) == None)
defmutmap += 1 -> 2
assert(defmutmap(1) == 2)
assert(mutmap(1) == 2)
}
}
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