Add Duration.toCoarsest method

1 files changed, 28 insertions, 0 deletions

diff --git a/test/files/run/duration-coarsest.scala b/test/files/run/duration-coarsest.scala
new file mode 100644
index 0000000000..51cb79287a
--- /dev/null
+++ b/test/files/run/duration-coarsest.scala
@@ -0,0 +1,28 @@
+import scala.concurrent.duration._
+import scala.language.postfixOps
+
+object Test extends App {
+  List(
+    (60 minutes,    1 hour),
+    (2000 millis,   2 seconds),
+    (2000 micros,   2 millis),
+    (2000 nanos,    2 micros),
+    (2000000 nanos, 2 millis),
+    (48 hours,      2 days),
+    (5 seconds,     5 seconds),
+    (1 second,      1 second)
+  ) foreach {
+    case (x, expected) =>
+      val actual = x.toCoarsest
+      assert(actual.unit == expected.unit, s"$actual, $expected")
+      assert(actual.length == expected.length, s"$actual, $expected")
+  }
+
+  List(
+    45 minutes,
+    500 millis,
+    1500 millis,
+    23 hours,
+    40 days
+  ) foreach (x => assert(x == x.toCoarsest, x))
+}
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