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Diffstat (limited to 'tests/run/t5879.scala')
-rw-r--r-- | tests/run/t5879.scala | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/tests/run/t5879.scala b/tests/run/t5879.scala new file mode 100644 index 000000000..f96a17410 --- /dev/null +++ b/tests/run/t5879.scala @@ -0,0 +1,59 @@ +import collection.immutable.HashMap + + +object Test { + + def main(args: Array[String]): Unit = { + resolveDefault() + resolveFirst() + resolveSecond() + resolveMany() + } + + def resolveDefault(): Unit = { + val a = HashMap(1 -> "1") + val b = HashMap(1 -> "2") + + val r = a.merged(b)(null) + println(r) + println(r(1)) + } + + def resolveFirst(): Unit = { + val a = HashMap(1 -> "1") + val b = HashMap(1 -> "2") + def collision(a: (Int, String), b: (Int, String)) = { + println(a) + a + } + + val r = a.merged(b) { collision } + println(r) + println(r(1)) + } + + def resolveSecond(): Unit = { + val a = HashMap(1 -> "1") + val b = HashMap(1 -> "2") + def collision(a: (Int, String), b: (Int, String)) = { + println(b) + b + } + + val r = a.merged(b) { collision } + println(r) + println(r(1)) + } + + def resolveMany(): Unit = { + val a = HashMap((0 until 100) zip (0 until 100): _*) + val b = HashMap((0 until 100) zip (100 until 200): _*) + def collision(a: (Int, Int), b: (Int, Int)) = { + (a._1, a._2 + b._2) + } + + val r = a.merged(b) { collision } + for ((k, v) <- r) assert(v == 100 + 2 * k, (k, v)) + } + +} |