diff options
Diffstat (limited to 'test/files/run/tailcalls.scala')
| -rw-r--r-- | test/files/run/tailcalls.scala | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/test/files/run/tailcalls.scala b/test/files/run/tailcalls.scala index 04a1a8ba19..4cf6dd46d3 100644 --- a/test/files/run/tailcalls.scala +++ b/test/files/run/tailcalls.scala @@ -182,6 +182,8 @@ class TailCall[S](s: S) { def h1(n: Int, v: Int): Int = hP(n, v); private def hP(n: Int, v: Int): Int = if (n == 0) v else hP(n - 1, v - 1); + final def s1(n: Int, v: Int): Int = synchronized { if (n == 0) v else s1(n - 1, v - 1) } + // !!! test return in non-tail-call position // !!! test non-same-instance calls // !!! test non-same-type calls @@ -229,11 +231,13 @@ class NonTailCall { Console.print(" " + n) } - final def f2(n: Int): Int = synchronized { - if (n == 0) 0 - else f2(n - 1) + final def f2(n: Int): Int = { + val next = n - 1 + synchronized { + if (n == 0) 0 + else f2(next) + } } - } //############################################################################ @@ -366,6 +370,7 @@ object Test { check_success("TailCall.g2", TailCall.g2(max, max ), 0) check_success("TailCall.g3", TailCall.g3(max, max, Nil), 0) check_success("TailCall.h1", TailCall.h1(max, max ), 0) + check_success("TailCall.s1", TailCall.s1(max, max ), 0) println val NonTailCall = new NonTailCall |