1 files changed, 16 insertions, 1 deletions
diff --git a/tests/fixtures/optimizer/simplify.sql b/tests/fixtures/optimizer/simplify.sql
index a2cd859..5c8d371 100644
--- a/tests/fixtures/optimizer/simplify.sql
+++ b/tests/fixtures/optimizer/simplify.sql
@@ -201,6 +201,21 @@ A AND B AND C AND D;
 (((((A) AND B)) AND C)) AND D;
 A AND B AND C AND D;
 
+(x + 1) + 2;
+x + 3;
+
+x + (1 + 2);
+x + 3;
+
+(x * 2) * 4 + (1 + 3) + 5;
+x * 8 + 9;
+
+(x - 1) - 2;
+(x - 1) - 2;
+
+x - (3 - 2);
+x - 1;
+
 --------------------------------------
 -- Comparison and Pruning
 --------------------------------------
@@ -574,4 +589,4 @@ x > 3;
 TRUE;
 
 x = 2018 OR x <> 2018;
-x <> 2018 OR x = 2018;
-\ No newline at end of file
+x <> 2018 OR x = 2018;