Added a test that exposes a problem in BObjectList/PointerList. If a list contains 17 items or greater, and you attempt to sort it with a sort function that always returns 1 regardless of the items being compared, it will crash 100% of the time. Looking into why next.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28873 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/tests/kits/support/pointerlist/PointerListSortTest.cpp

@@ -0,0 +1,35 @@
+#include <ObjectList.h>
+#include <String.h>
+
+static int SortItemTestPositive(const BString *item1, const BString *item2)
+{
+	return 1;
+}
+
+static int SortItemTestNegative(const BString *item1, const BString *item2)
+{
+	return -1;
+}
+
+static int SortItemTestEqual(const BString *item1, const BString *item2)
+{
+	return 0;
+}
+
+int main(int, char **) 
+{
+	BObjectList<BString> list;
+	for (int i = 0; i < 20; i++) {
+		list.AddItem(new BString("test"));
+		printf("List contains %d items, attempting sorts\n", i);
+		printf("Attempting positive test\n");
+		list.SortItems(SortItemTestPositive);
+		printf("Positive test completed, attempting negative test\n");
+		list.SortItems(SortItemTestNegative);
+		printf("Positive test completed, attempting equal test\n");
+		list.SortItems(SortItemTestEqual);
+	}
+	printf("All tests passed!\n");
+	
+	return 0;
+}