From 4215f6bd7d6895e400062c22d80a7ccfab20ff23 Mon Sep 17 00:00:00 2001
From: Paul Phillips <paulp@improving.org>
Date: Mon, 11 Oct 2010 23:18:19 +0000
Subject: Introduced -Ymurmur with murmur hashcodes.

contributed by "archontophoenix", following in the grand tradition of
code by people whose actual names I don't know. References #2537, but it
doesn't close until some sensible hashcode is used by default. Review by
community.
---
 test/files/run/hashCodeDistribution.flags   |  1 +
 test/files/run/hashCodeDistribution.scala   | 17 +++++++++++++++++
 test/pending/run/hashCodeDistribution.flags |  1 -
 test/pending/run/hashCodeDistribution.scala | 17 -----------------
 4 files changed, 18 insertions(+), 18 deletions(-)
 create mode 100644 test/files/run/hashCodeDistribution.flags
 create mode 100644 test/files/run/hashCodeDistribution.scala
 delete mode 100644 test/pending/run/hashCodeDistribution.flags
 delete mode 100644 test/pending/run/hashCodeDistribution.scala

(limited to 'test')

diff --git a/test/files/run/hashCodeDistribution.flags b/test/files/run/hashCodeDistribution.flags
new file mode 100644
index 0000000000..5f7bd1a5be
--- /dev/null
+++ b/test/files/run/hashCodeDistribution.flags
@@ -0,0 +1 @@
+-Ymurmur
\ No newline at end of file
diff --git a/test/files/run/hashCodeDistribution.scala b/test/files/run/hashCodeDistribution.scala
new file mode 100644
index 0000000000..5be9d1db6d
--- /dev/null
+++ b/test/files/run/hashCodeDistribution.scala
@@ -0,0 +1,17 @@
+// See ticket #2537.
+object Test {
+  case class C(x: Int, y: Int) { }
+  val COUNT = 300
+  val totalCodes = COUNT * COUNT
+
+  def main (args: Array[String]) = {
+    val hashCodes =
+      for (x <- 0 until COUNT; y <- 0 until COUNT) yield C(x,y).hashCode
+
+    val uniques = hashCodes.distinct
+    val collisionRate = (totalCodes - uniques.size) * 1000 / totalCodes
+
+    assert(collisionRate < 5, "Collision rate too high: %d / 1000".format(collisionRate))
+    // println("collisionRate = %d / 1000".format(collisionRate))
+  }
+}
\ No newline at end of file
diff --git a/test/pending/run/hashCodeDistribution.flags b/test/pending/run/hashCodeDistribution.flags
deleted file mode 100644
index 7806652d4d..0000000000
--- a/test/pending/run/hashCodeDistribution.flags
+++ /dev/null
@@ -1 +0,0 @@
--Yjenkins-hashCodes
\ No newline at end of file
diff --git a/test/pending/run/hashCodeDistribution.scala b/test/pending/run/hashCodeDistribution.scala
deleted file mode 100644
index 5be9d1db6d..0000000000
--- a/test/pending/run/hashCodeDistribution.scala
+++ /dev/null
@@ -1,17 +0,0 @@
-// See ticket #2537.
-object Test {
-  case class C(x: Int, y: Int) { }
-  val COUNT = 300
-  val totalCodes = COUNT * COUNT
-
-  def main (args: Array[String]) = {
-    val hashCodes =
-      for (x <- 0 until COUNT; y <- 0 until COUNT) yield C(x,y).hashCode
-
-    val uniques = hashCodes.distinct
-    val collisionRate = (totalCodes - uniques.size) * 1000 / totalCodes
-
-    assert(collisionRate < 5, "Collision rate too high: %d / 1000".format(collisionRate))
-    // println("collisionRate = %d / 1000".format(collisionRate))
-  }
-}
\ No newline at end of file
-- 
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