1 files changed, 12 insertions, 25 deletions
diff --git a/activerecord/test/cases/base_test.rb b/activerecord/test/cases/base_test.rb
index 2e5b8cffa6..c88a843282 100644
--- a/activerecord/test/cases/base_test.rb
+++ b/activerecord/test/cases/base_test.rb
@@ -160,19 +160,11 @@ class BasicsTest < ActiveRecord::TestCase
   end
 
   def test_preserving_date_objects
-    if current_adapter?(:SybaseAdapter)
-      # Sybase ctlib does not (yet?) support the date type; use datetime instead.
-      assert_kind_of(
-        Time, Topic.find(1).last_read,
-        "The last_read attribute should be of the Time class"
-      )
-    else
-      # Oracle enhanced adapter allows to define Date attributes in model class (see topic.rb)
-      assert_kind_of(
-        Date, Topic.find(1).last_read,
-        "The last_read attribute should be of the Date class"
-      )
-    end
+    # Oracle enhanced adapter allows to define Date attributes in model class (see topic.rb)
+    assert_kind_of(
+      Date, Topic.find(1).last_read,
+      "The last_read attribute should be of the Date class"
+    )
   end
 
   def test_previously_changed
@@ -480,8 +472,8 @@ class BasicsTest < ActiveRecord::TestCase
     end
   end
 
-  # Oracle, and Sybase do not have a TIME datatype.
-  unless current_adapter?(:OracleAdapter, :SybaseAdapter)
+  # Oracle does not have a TIME datatype.
+  unless current_adapter?(:OracleAdapter)
     def test_utc_as_time_zone
       with_timezone_config default: :utc do
         attributes = { "bonus_time" => "5:42:00AM" }
@@ -515,12 +507,7 @@ class BasicsTest < ActiveRecord::TestCase
     topic = Topic.find(topic.id)
     assert_nil topic.last_read
 
-    # Sybase adapter does not allow nulls in boolean columns
-    if current_adapter?(:SybaseAdapter)
-      assert topic.approved == false
-    else
-      assert_nil topic.approved
-    end
+    assert_nil topic.approved
   end
 
   def test_equality
@@ -685,8 +672,8 @@ class BasicsTest < ActiveRecord::TestCase
   end
 
   def test_attributes_on_dummy_time
-    # Oracle, and Sybase do not have a TIME datatype.
-    return true if current_adapter?(:OracleAdapter, :SybaseAdapter)
+    # Oracle does not have a TIME datatype.
+    return true if current_adapter?(:OracleAdapter)
 
     with_timezone_config default: :local do
       attributes = {
@@ -699,8 +686,8 @@ class BasicsTest < ActiveRecord::TestCase
   end
 
   def test_attributes_on_dummy_time_with_invalid_time
-    # Oracle, and Sybase do not have a TIME datatype.
-    return true if current_adapter?(:OracleAdapter, :SybaseAdapter)
+    # Oracle does not have a TIME datatype.
+    return true if current_adapter?(:OracleAdapter)
 
     attributes = {
       "bonus_time" => "not a time"