diff --git a/src/test/regress/expected/boolean.out b/src/test/regress/expected/boolean.out
index 57d251eea76..0e99eb7ffc0 100644
--- a/src/test/regress/expected/boolean.out
+++ b/src/test/regress/expected/boolean.out
@@ -566,6 +566,25 @@ SELECT isnul OR istrue OR isfalse FROM booltbl4;
  t
 (1 row)
 
+-- Casts
+SELECT 0::boolean;
+ bool 
+------
+ f
+(1 row)
+
+SELECT 1::boolean;
+ bool 
+------
+ t
+(1 row)
+
+SELECT 2::boolean;
+ bool 
+------
+ t
+(1 row)
+
 --
 -- Clean up
 -- Many tables are retained by the regression test, but these do not seem
diff --git a/src/test/regress/sql/boolean.sql b/src/test/regress/sql/boolean.sql
index 5b9dcd23172..85c6b019882 100644
--- a/src/test/regress/sql/boolean.sql
+++ b/src/test/regress/sql/boolean.sql
@@ -250,6 +250,11 @@ SELECT isfalse OR isnul OR istrue FROM booltbl4;
 SELECT istrue OR isfalse OR isnul FROM booltbl4;
 SELECT isnul OR istrue OR isfalse FROM booltbl4;
 
+-- Casts
+SELECT 0::boolean;
+SELECT 1::boolean;
+SELECT 2::boolean;
+
 
 --
 -- Clean up