Add sum to README

ColinEberhardt · May 3, 2015 · d4f7f54 · d4f7f54
1 parent f076259
commit d4f7f54
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Showing 2 changed files with 12 additions and 4 deletions.
diff --git a/LinqToObjectiveCTest/LinqToObjectiveCTestTests/NSArrayLinqExtensionsTest.m b/LinqToObjectiveCTest/LinqToObjectiveCTestTests/NSArrayLinqExtensionsTest.m
@@ -380,8 +380,8 @@ - (void)testGroupByWithNil
 
     // test the group keys
     NSArray* keys = [groupedByFirstLetter allKeys];
-    STAssertEqualObjects([NSNull null], keys[0], nil);
-    STAssertEqualObjects(@"B", keys[1], nil);
+    STAssertEqualObjects([NSNull null], keys[1], nil);
+    STAssertEqualObjects(@"B", keys[0], nil);
 
     // test that the correct items are in each group
     NSArray* groupOne = groupedByFirstLetter[[NSNull null]];
@@ -438,8 +438,8 @@ - (void)testToDictionaryWithValueSelectorWithNil
 
     // test the group keys
     NSArray* keys = [dictionary allKeys];
-    STAssertEqualObjects([NSNull null], keys[0], nil);
-    STAssertEqualObjects(@"B", keys[1], nil);
+    STAssertEqualObjects([NSNull null], keys[1], nil);
+    STAssertEqualObjects(@"B", keys[0], nil);
 
     // test the values
     STAssertEqualObjects(dictionary[[NSNull null]], @"jim", nil);

diff --git a/README.md b/README.md
@@ -153,6 +153,14 @@ NSArray* sortedInput = [input linq_sort]; // 21, 25, 34
 NSArray* sortedInput = [input linq_sortDescending]; // 34, 25, 21
 ```
 
+### <a name="sum"></a>linq_sum
+
+```objc
+- (NSNumber *)linq_sum;
+```
+
+Sums the elements in the array.
+
 ### <a name="ofType"></a>linq_ofType
 
 ```objc