1 files changed, 118 insertions, 0 deletions
diff --git a/src/test/regress/sql/int2.sql b/src/test/regress/sql/int2.sql
new file mode 100644
index 0000000..2f5ea64
--- /dev/null
+++ b/src/test/regress/sql/int2.sql
@@ -0,0 +1,118 @@
+--
+-- INT2
+--
+
+CREATE TABLE INT2_TBL(f1 int2);
+
+INSERT INTO INT2_TBL(f1) VALUES ('0   ');
+
+INSERT INTO INT2_TBL(f1) VALUES ('  1234 ');
+
+INSERT INTO INT2_TBL(f1) VALUES ('    -1234');
+
+INSERT INTO INT2_TBL(f1) VALUES ('34.5');
+
+-- largest and smallest values
+INSERT INTO INT2_TBL(f1) VALUES ('32767');
+
+INSERT INTO INT2_TBL(f1) VALUES ('-32767');
+
+-- bad input values -- should give errors
+INSERT INTO INT2_TBL(f1) VALUES ('100000');
+INSERT INTO INT2_TBL(f1) VALUES ('asdf');
+INSERT INTO INT2_TBL(f1) VALUES ('    ');
+INSERT INTO INT2_TBL(f1) VALUES ('- 1234');
+INSERT INTO INT2_TBL(f1) VALUES ('4 444');
+INSERT INTO INT2_TBL(f1) VALUES ('123 dt');
+INSERT INTO INT2_TBL(f1) VALUES ('');
+
+
+SELECT * FROM INT2_TBL;
+
+SELECT * FROM INT2_TBL AS f(a, b);
+
+SELECT * FROM (TABLE int2_tbl) AS s (a, b);
+
+SELECT i.* FROM INT2_TBL i WHERE i.f1 <> int2 '0';
+
+SELECT i.* FROM INT2_TBL i WHERE i.f1 <> int4 '0';
+
+SELECT i.* FROM INT2_TBL i WHERE i.f1 = int2 '0';
+
+SELECT i.* FROM INT2_TBL i WHERE i.f1 = int4 '0';
+
+SELECT i.* FROM INT2_TBL i WHERE i.f1 < int2 '0';
+
+SELECT i.* FROM INT2_TBL i WHERE i.f1 < int4 '0';
+
+SELECT i.* FROM INT2_TBL i WHERE i.f1 <= int2 '0';
+
+SELECT i.* FROM INT2_TBL i WHERE i.f1 <= int4 '0';
+
+SELECT i.* FROM INT2_TBL i WHERE i.f1 > int2 '0';
+
+SELECT i.* FROM INT2_TBL i WHERE i.f1 > int4 '0';
+
+SELECT i.* FROM INT2_TBL i WHERE i.f1 >= int2 '0';
+
+SELECT i.* FROM INT2_TBL i WHERE i.f1 >= int4 '0';
+
+-- positive odds
+SELECT i.* FROM INT2_TBL i WHERE (i.f1 % int2 '2') = int2 '1';
+
+-- any evens
+SELECT i.* FROM INT2_TBL i WHERE (i.f1 % int4 '2') = int2 '0';
+
+SELECT i.f1, i.f1 * int2 '2' AS x FROM INT2_TBL i;
+
+SELECT i.f1, i.f1 * int2 '2' AS x FROM INT2_TBL i
+WHERE abs(f1) < 16384;
+
+SELECT i.f1, i.f1 * int4 '2' AS x FROM INT2_TBL i;
+
+SELECT i.f1, i.f1 + int2 '2' AS x FROM INT2_TBL i;
+
+SELECT i.f1, i.f1 + int2 '2' AS x FROM INT2_TBL i
+WHERE f1 < 32766;
+
+SELECT i.f1, i.f1 + int4 '2' AS x FROM INT2_TBL i;
+
+SELECT i.f1, i.f1 - int2 '2' AS x FROM INT2_TBL i;
+
+SELECT i.f1, i.f1 - int2 '2' AS x FROM INT2_TBL i
+WHERE f1 > -32767;
+
+SELECT i.f1, i.f1 - int4 '2' AS x FROM INT2_TBL i;
+
+SELECT i.f1, i.f1 / int2 '2' AS x FROM INT2_TBL i;
+
+SELECT i.f1, i.f1 / int4 '2' AS x FROM INT2_TBL i;
+
+-- corner cases
+SELECT (-1::int2<<15)::text;
+SELECT ((-1::int2<<15)+1::int2)::text;
+
+-- check sane handling of INT16_MIN overflow cases
+SELECT (-32768)::int2 * (-1)::int2;
+SELECT (-32768)::int2 / (-1)::int2;
+SELECT (-32768)::int2 % (-1)::int2;
+
+-- check rounding when casting from float
+SELECT x, x::int2 AS int2_value
+FROM (VALUES (-2.5::float8),
+             (-1.5::float8),
+             (-0.5::float8),
+             (0.0::float8),
+             (0.5::float8),
+             (1.5::float8),
+             (2.5::float8)) t(x);
+
+-- check rounding when casting from numeric
+SELECT x, x::int2 AS int2_value
+FROM (VALUES (-2.5::numeric),
+             (-1.5::numeric),
+             (-0.5::numeric),
+             (0.0::numeric),
+             (0.5::numeric),
+             (1.5::numeric),
+             (2.5::numeric)) t(x);