From 3f05775fadd5c6c32eda33bbf50b5d044ab30ef8 Mon Sep 17 00:00:00 2001 From: Martin Odersky Date: Mon, 5 Mar 2007 15:22:00 +0000 Subject: fixed bug978 --- test/files/run/bug978.scala | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 test/files/run/bug978.scala (limited to 'test/files/run/bug978.scala') diff --git a/test/files/run/bug978.scala b/test/files/run/bug978.scala new file mode 100644 index 0000000000..72dfdbae0a --- /dev/null +++ b/test/files/run/bug978.scala @@ -0,0 +1,38 @@ +class Foo(val n: Int) { + override def hashCode = n % 2 // pretty bad hash + override def equals(other: Any): Boolean = other match { + case f: Foo => f.n == n + case _ => false + } + + override def toString = "" + n +} + +object Test extends Application { + val set = new collection.mutable.HashSet[Foo] +// val set = new collection.jcl.HashSet[Foo] + + val max = 200 + for (val x <- 1 to max) + set += new Foo(x) + + testRemove(2) + testExists(2) + + def testRemove(m: Int) { + for (val x <- 1 to max; x % m == 0) { + val f = new Foo(x) + set -= f + assert(!(set contains f)) + testExists(m) + } + } + + def testExists(m: Int) { + for (val x <- 1 to max; x % m == 1) { + val f = new Foo(x) + assert(set contains f, "For element: " + f + " set: " + set) + } + } + +} -- cgit v1.2.3