Performance test array controller addObject: when clearing the filter predicate.

Tests/AppKit/CPArrayControllerPerformance.j

@@ -2,16 +2,17 @@
 @import <Foundation/CPPredicate.j>
 @import <AppKit/CPArrayController.j>
 
+var ELEMENTS = 200,
+    REPEATS = 25;
+
 @implementation CPArrayControllerPerformance : OJTestCase
 
-- (void)testRearrangeObjects
+- (CPArrayController)setupWithElements:(int)aCount
 {
-    var ELEMENTS = 200,
-        REPEATS = 25,
-        ac = [CPArrayController new],
+    var ac = [CPArrayController new],
         array = [];
 
-    for (var i = 0; i < ELEMENTS; i++)
+    for (var i = 0; i < aCount; i++)
     {
         var s = [Sortable new];
         [s setA:i];
@@ -19,15 +20,17 @@
         array.push(s);
     }
 
-    var descriptors = [
-        [CPSortDescriptor sortDescriptorWithKey:"a" ascending:NO],
-    ];
-
     [ac setContent:array];
 
-
     [ac setFilterPredicate:[CPPredicate predicateWithFormat:@"(b != %@)", 0]];
 
+    return ac;
+}
+
+- (void)testRearrangeObjects
+{
+    var ac = [self setupWithElements:ELEMENTS];
+
     // Filter alone
     var start = (new Date).getTime();
     for (var i = 0; i < REPEATS; i++)
@@ -41,7 +44,7 @@
         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+")"];
+                [self fail:"b == 0 should be filtered out (position: " + j + ")"];
             last = sorted[j];
         }
     }
@@ -49,7 +52,9 @@
 
     CPLog.warn("testRearrangeObjects, filter: "+(end-start)+"ms");
 
-    [ac setSortDescriptors:descriptors];
+    [ac setSortDescriptors:[
+        [CPSortDescriptor sortDescriptorWithKey:"a" ascending:NO],
+    ]];
 
     // Filter and sort.
     start = (new Date).getTime();
@@ -64,9 +69,9 @@
         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+")"];
+                [self fail:"b == 0 should be filtered out (position: " + j + ")"];
             if (sorted[j].a >= last)
-                [self fail:"array values should be descending (position: "+j+")"];
+                [self fail:"array values should be descending (position: " + j + ")"];
             last = sorted[j];
         }
     }
@@ -75,6 +80,40 @@
     CPLog.warn("testRearrangeObjects, filter and sort: "+(end-start)+"ms");
 }
 
+- (void)testAddObject_
+{
+    var ac = [self setupWithElements:ELEMENTS],
+        predicate = [ac filterPredicate],
+        content = [[ac content] copy];
+
+    // Add object while clearing the predicate.
+    [ac setClearsFilterPredicateOnInsertion:YES];
+
+    [ac setSortDescriptors:[
+        [CPSortDescriptor sortDescriptorWithKey:"a" ascending:NO],
+    ]];
+
+    var start = (new Date).getTime();
+    for (var i = 0; i < REPEATS; i++)
+    {
+        [ac setFilterPredicate:predicate];
+        [ac addObject:[Sortable sortableWithA:i B:i * 2]];
+
+        var sorted = [ac arrangedObjects],
+            last = ELEMENTS;
+
+        // Verify that all is well.
+        for (var j = 0, count = [sorted count]; j < count; 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("testAddObject_, sorted, clear filter on insert: " + (end - start) + "ms");
+}
+
 @end
 
 @implementation Sortable : CPObject
@@ -83,4 +122,12 @@
     int b @accessors;
 }
 
++ (id)sortableWithA:(int)anA B:(int)aB
+{
+    var r = [Sortable new];
+    r.a = anA;
+    r.b = aB;
+    return r;
+}
+
 @end