1 files changed, 25 insertions, 11 deletions
diff --git a/activerecord/test/cases/relations_test.rb b/activerecord/test/cases/relations_test.rb
index 9631ea79be..ecb30af12b 100644
--- a/activerecord/test/cases/relations_test.rb
+++ b/activerecord/test/cases/relations_test.rb
@@ -39,15 +39,6 @@ class RelationTest < ActiveRecord::TestCase
     assert_equal van, Minivan.where(:minivan_id => [van]).to_a.first
   end
 
-  def test_bind_values
-    relation = Post.all
-    assert_equal [], relation.bind_values
-
-    relation2 = relation.bind 'foo'
-    assert_equal %w{ foo }, relation2.bind_values
-    assert_equal [], relation.bind_values
-  end
-
   def test_two_scopes_with_includes_should_not_drop_any_include
     # heat habtm cache
     car = Car.incl_engines.incl_tyres.first
@@ -857,6 +848,12 @@ class RelationTest < ActiveRecord::TestCase
     assert ! fake.exists?(authors(:david).id)
   end
 
+  def test_exists_uses_existing_scope
+    post = authors(:david).posts.first
+    authors = Author.includes(:posts).where(name: "David", posts: { id: post.id })
+    assert authors.exists?(authors(:david).id)
+  end
+
   def test_last
     authors = Author.all
     assert_equal authors(:bob), authors.last
@@ -1462,10 +1459,27 @@ class RelationTest < ActiveRecord::TestCase
 
   def test_doesnt_add_having_values_if_options_are_blank
     scope = Post.having('')
-    assert_equal [], scope.having_values
+    assert scope.having_clause.empty?
 
     scope = Post.having([])
-    assert_equal [], scope.having_values
+    assert scope.having_clause.empty?
+  end
+
+  def test_having_with_binds_for_both_where_and_having
+    post = Post.first
+    having_then_where = Post.having(id: post.id).where(title: post.title).group(:id)
+    where_then_having = Post.where(title: post.title).having(id: post.id).group(:id)
+
+    assert_equal [post], having_then_where
+    assert_equal [post], where_then_having
+  end
+
+  def test_multiple_where_and_having_clauses
+    post = Post.first
+    having_then_where = Post.having(id: post.id).where(title: post.title)
+      .having(id: post.id).where(title: post.title).group(:id)
+
+    assert_equal [post], having_then_where
   end
 
   def test_references_triggers_eager_loading