From c898af13a671ee92a056467d324f16823594eb1c Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@tavianator.com>
Date: Sat, 29 Jan 2022 17:08:33 -0500
Subject: tests: Add a test for posix-basic alternation

---
 tests.sh                         | 5 +++++
 tests/test_regex_alternation.out | 2 ++
 2 files changed, 7 insertions(+)
 create mode 100644 tests/test_regex_alternation.out

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 '\./(\()'
diff --git a/tests/test_regex_alternation.out b/tests/test_regex_alternation.out
new file mode 100644
index 0000000..e2bc098
--- /dev/null
+++ b/tests/test_regex_alternation.out
@@ -0,0 +1,2 @@
+basic/a
+basic/b
-- 
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