Fix `Enumerable#each_cons` and `Enumerable#each_slice` to return a receiver

Co-authored-by: Takashi Kokubun <takashikkbn@gmail.com>
Co-authored-by: Nobuyoshi Nakada <nobu@ruby-lang.org>

2 files changed, 4 insertions, 4 deletions

diff --git a/spec/ruby/core/enumerable/each_cons_spec.rb b/spec/ruby/core/enumerable/each_cons_spec.rb
index 7d44f54f74..ba658203a2 100644
--- a/spec/ruby/core/enumerable/each_cons_spec.rb
+++ b/spec/ruby/core/enumerable/each_cons_spec.rb
@@ -10,7 +10,7 @@ describe "Enumerable#each_cons" do
 
   it "passes element groups to the block" do
     acc = []
-    @enum.each_cons(3){|g| acc << g}.should be_nil
+    @enum.each_cons(3){|g| acc << g}
     acc.should == @in_threes
   end
 
@@ -27,7 +27,7 @@ describe "Enumerable#each_cons" do
 
   it "tries to convert n to an Integer using #to_int" do
     acc = []
-    @enum.each_cons(3.3){|g| acc << g}.should == nil
+    @enum.each_cons(3.3){|g| acc << g}
     acc.should == @in_threes
 
     obj = mock('to_int')
diff --git a/spec/ruby/core/enumerable/each_slice_spec.rb b/spec/ruby/core/enumerable/each_slice_spec.rb
index ab3b79c344..2ea89f5e72 100644
--- a/spec/ruby/core/enumerable/each_slice_spec.rb
+++ b/spec/ruby/core/enumerable/each_slice_spec.rb
@@ -10,7 +10,7 @@ describe "Enumerable#each_slice" do
 
   it "passes element groups to the block" do
     acc = []
-    @enum.each_slice(3){|g| acc << g}.should be_nil
+    @enum.each_slice(3){|g| acc << g}
     acc.should == @sliced
   end
 
@@ -27,7 +27,7 @@ describe "Enumerable#each_slice" do
 
   it "tries to convert n to an Integer using #to_int" do
     acc = []
-    @enum.each_slice(3.3){|g| acc << g}.should == nil
+    @enum.each_slice(3.3){|g| acc << g}
     acc.should == @sliced
 
     obj = mock('to_int')