From bbc912eb75bd0fb724e447ca66ed0f315cbdde7a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Teemu=20P=C3=A4tsi?= <frendsick@gmail.com>
Date: Tue, 27 May 2025 04:00:09 +0300
Subject: [PATCH] expr: Add tests for regex range quantifiers

---
 tests/by-util/test_expr.rs | 68 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)

diff --git a/tests/by-util/test_expr.rs b/tests/by-util/test_expr.rs
index b573ea098..38028a54b 100644
--- a/tests/by-util/test_expr.rs
+++ b/tests/by-util/test_expr.rs
@@ -406,6 +406,74 @@ fn test_regex_dollar() {
         .stdout_only("0\n");
 }
 
+#[test]
+fn test_regex_range_quantifier() {
+    new_ucmd!()
+        .args(&["a", ":", "a\\{1\\}"])
+        .succeeds()
+        .stdout_only("1\n");
+    new_ucmd!()
+        .args(&["aaaaaaaaaa", ":", "a\\{1,\\}"])
+        .succeeds()
+        .stdout_only("10\n");
+    new_ucmd!()
+        .args(&["aaa", ":", "a\\{,3\\}"])
+        .succeeds()
+        .stdout_only("3\n");
+    new_ucmd!()
+        .args(&["aa", ":", "a\\{1,3\\}"])
+        .succeeds()
+        .stdout_only("2\n");
+    new_ucmd!()
+        .args(&["aaaa", ":", "a\\{,\\}"])
+        .succeeds()
+        .stdout_only("4\n");
+    new_ucmd!()
+        .args(&["a", ":", "ab\\{,3\\}"])
+        .succeeds()
+        .stdout_only("1\n");
+    new_ucmd!()
+        .args(&["abbb", ":", "ab\\{,3\\}"])
+        .succeeds()
+        .stdout_only("4\n");
+    new_ucmd!()
+        .args(&["abcabc", ":", "\\(abc\\)\\{,\\}"])
+        .succeeds()
+        .stdout_only("abc\n");
+    new_ucmd!()
+        .args(&["a", ":", "a\\{,6\\}"])
+        .succeeds()
+        .stdout_only("1\n");
+    new_ucmd!()
+        .args(&["{abc}", ":", "\\{abc\\}"])
+        .succeeds()
+        .stdout_only("5\n");
+    new_ucmd!()
+        .args(&["a{bc}", ":", "a\\(\\{bc\\}\\)"])
+        .succeeds()
+        .stdout_only("{bc}\n");
+    new_ucmd!()
+        .args(&["{b}", ":", "a\\|\\{b\\}"])
+        .succeeds()
+        .stdout_only("3\n");
+    new_ucmd!()
+        .args(&["{", ":", "a\\|\\{"])
+        .succeeds()
+        .stdout_only("1\n");
+    new_ucmd!()
+        .args(&["{}}}", ":", "\\{\\}\\}\\}"])
+        .succeeds()
+        .stdout_only("4\n");
+    new_ucmd!()
+        .args(&["a{}}}", ":", "a\\{\\}\\}\\}"])
+        .fails()
+        .stderr_only("expr: Invalid content of \\{\\}\n");
+    new_ucmd!()
+        .args(&["ab", ":", "ab\\{\\}"])
+        .fails()
+        .stderr_only("expr: Invalid content of \\{\\}\n");
+}
+
 #[test]
 fn test_substr() {
     new_ucmd!()