add paren tests

diff --git a/tests/expr/basic b/tests/expr/basic
index ac23e45044555587dd40737746e3a4a9f8554e49..e1c213833a625dcb0a4a4ca37e8bf957b2d01fac 100755 (executable)
--- a/tests/expr/basic
+++ b/tests/expr/basic
@@ -32,6 +32,12 @@ my @Tests =
      ['d', '100 / 6', {OUT => '16'}],
      ['e', '100 % 6', {OUT => '4'}],
 
+     ['paren1', '\( 100 % 6 \)', {OUT => '4'}],
+     ['paren2', '\( 100 % 6 \) - 8', {OUT => '-4'}],
+     ['paren3', '9 / \( 100 % 6 \) - 8', {OUT => '-6'}],
+     ['paren4', '9 / \( \( 100 % 6 \) - 8 \)', {OUT => '-2'}],
+     ['paren5', '9 + \( 100 % 6 \)', {OUT => '13'}],
+
      # Before 2.0.12, this would output `1'.
      ['00', '00 \< 0!', {OUT => '0'}, {EXIT => 1}],