Performance tester for CPArrayController.

Tests/AppKit/CPArrayControllerPerformance.j

@@ -0,0 +1,64 @@
+@import <Foundation/CPSortDescriptor.j>
+@import <Foundation/CPPredicate.j>
+@import <AppKit/CPArrayController.j>
+
+@implementation CPArrayControllerPerformance : OJTestCase
+
+- (void)testRearrangeObjects
+{
+    var ELEMENTS = 200,
+        REPEATS = 50,
+        ac = [CPArrayController new],
+        array = [];
+
+    for (var i=0; i<ELEMENTS; i++) {
+        var s = [Sortable new];
+        [s setA:i];
+        [s setB:i % 3];
+        array.push(s);
+    }
+
+    var descriptors = [
+        [CPSortDescriptor sortDescriptorWithKey:"a" ascending:NO],
+    ];
+
+    [ac setContent:array];
+
+    var start = (new Date).getTime();
+
+    [ac setSortDescriptors:descriptors];
+    [ac setFilterPredicate:[CPPredicate predicateWithFormat:@"(b !=%@)", 0]];
+
+    for (var i=0; i<REPEATS; i++)
+    {
+        [ac rearrangeObjects];
+
+        var sorted = [ac arrangedObjects],
+            last = ELEMENTS;
+
+        // Verify that all is well.
+        for (var j=0, count=[sorted count]; j<count; j++)
+        {
+            if (sorted[j].b == 0)
+                [self fail:"b == 0 should be filtered out (position: "+j+")"];
+            if (sorted[j].a >= last)
+                [self fail:"array values should be descending (position: "+j+")"];
+            last = sorted[j];
+        }
+    }
+
+
+    var end = (new Date).getTime();
+
+    CPLog.warn("testRearrangeObjects: "+(end-start)+"ms");
+}
+
+@end
+
+@implementation Sortable : CPObject
+{
+    int a @accessors;
+    int b @accessors;
+}
+
+@end