tests: Add a test for posix-basic alternation

1 files changed, 5 insertions, 0 deletions

diff --git a/tests.sh b/tests.sh
index c0a3a79..2907678 100755
--- a/tests.sh
+++ b/tests.sh
@@ -622,6 +622,7 @@ gnu_tests=(
     test_regex
     test_regex_parens
     test_regex_error
+    test_regex_alternation
 
     test_regextype_posix_basic
     test_regextype_posix_extended
@@ -2035,6 +2036,10 @@ function test_regextype_posix_basic() {
     bfs_diff -regextype posix-basic -regex '\./\((\)'
 }
 
+function test_regex_alternation() {
+    bfs_diff basic -regextype posix-basic -regex 'basic/\(a\|b\)'
+}
+
 function test_regextype_posix_extended() {
     cd weirdnames
     bfs_diff -regextype posix-extended -regex '\./(\()'