[test](xor) add test for xor #33731

regression-test/data/correctness_p0/test_bit_function.out

@@ -134,3 +134,20 @@
 -- !select --
 1	1
 
+-- !bitxor --
+125	-127
+
+-- !bitxor --
+0	127	0	127
+1	126	-1	-128
+2	125	-2	-127
+3	124	-3	-126
+4	123	-4	-125
+
+-- !bitxor --
+0	0	0	0
+1	0	-1	0
+2	0	-2	0
+3	0	-3	0
+4	0	-4	0
+

regression-test/suites/correctness_p0/test_bit_function.groovy

@@ -81,4 +81,13 @@ suite("test_bit_functions") {
 
     qt_select "select bit_count(bit_shift_right(-1, 63)), bit_count(bit_shift_right(-1, 63));"
 
+    qt_bitxor """
+        select 2^127, -2^127;
+    """
+    qt_bitxor """
+        select number, number^127, -number, (-number)^127 from numbers("number"="5") order by number;
+    """
+    qt_bitxor """
+        select number, number^number, -number, (-number)^(-number) from numbers("number"="5") order by number
+    """
 }