From c633e28b40ec2f7e195842a75dc98fa6b953d898 Mon Sep 17 00:00:00 2001
From: Burak Emir <emir@epfl.ch>
Date: Fri, 22 Dec 2006 09:13:47 +0000
Subject: fixed test case + strict checking for atom

---
 src/library/scala/testing/UnitTest.scala | 13 +++++++++++++
 src/library/scala/xml/Atom.scala         |  4 ++++
 2 files changed, 17 insertions(+)

(limited to 'src/library')

diff --git a/src/library/scala/testing/UnitTest.scala b/src/library/scala/testing/UnitTest.scala
index 38b6fb17e3..302ab6dc4a 100644
--- a/src/library/scala/testing/UnitTest.scala
+++ b/src/library/scala/testing/UnitTest.scala
@@ -61,6 +61,19 @@ object UnitTest {
   def assertTrue(actual: Boolean): Unit = assertEquals(actual, true)
   def assertFalse(actual: Boolean): Unit = assertEquals(actual, false)
 
+  def assertNull(actual: AnyRef): Unit =
+   if (actual eq null)
+     report.ok
+    else
+      report.fail(actual.toString, "null")
+
+  def assertNonNull(actual: AnyRef): Unit =
+   if (actual ne null)
+     report.ok
+    else
+      report.fail(actual.toString, "null")
+
+
   def assertNotEquals[a]( actual: a, expected: a): Unit =
     if (actual != expected)
       report.ok
diff --git a/src/library/scala/xml/Atom.scala b/src/library/scala/xml/Atom.scala
index 74e572a556..0bbf65f979 100644
--- a/src/library/scala/xml/Atom.scala
+++ b/src/library/scala/xml/Atom.scala
@@ -21,6 +21,10 @@ import compat.StringBuilder;
 [serializable]
 class Atom[+A]( val data: A ) extends SpecialNode {
 
+  data match {
+    case null => new IllegalArgumentException("cannot construct Atom(null)")
+    case _ =>
+  }
   final override def typeTag$:Int = -1;
 
   /** the constant "#PCDATA"
-- 
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