diff --git a/tests/by-util/test_ptx.rs b/tests/by-util/test_ptx.rs
index e990cac73..75c96e42e 100644
--- a/tests/by-util/test_ptx.rs
+++ b/tests/by-util/test_ptx.rs
@@ -87,3 +87,19 @@ fn gnu_ext_disabled_output_width_70() {
         .succeeds()
         .stdout_only_fixture("gnu_ext_disabled_output_width_70.expected");
 }
+
+#[test]
+fn gnu_ext_disabled_break_file() {
+    new_ucmd!()
+        .args(&["-G", "-b", "break_file", "input"])
+        .succeeds()
+        .stdout_only_fixture("gnu_ext_disabled_break_file.expected");
+}
+
+#[test]
+fn gnu_ext_disabled_empty_word_regexp_ignores_break_file() {
+    new_ucmd!()
+        .args(&["-G", "-b", "break_file", "-R", "-W", "", "input"])
+        .succeeds()
+        .stdout_only_fixture("gnu_ext_disabled_rightward_no_ref.expected");
+}
diff --git a/tests/fixtures/ptx/break_file b/tests/fixtures/ptx/break_file
new file mode 100644
index 000000000..4c992d40a
--- /dev/null
+++ b/tests/fixtures/ptx/break_file
@@ -0,0 +1 @@
+abc_e
diff --git a/tests/fixtures/ptx/gnu_ext_disabled_break_file.expected b/tests/fixtures/ptx/gnu_ext_disabled_break_file.expected
new file mode 100644
index 000000000..7afce1861
--- /dev/null
+++ b/tests/fixtures/ptx/gnu_ext_disabled_break_file.expected
@@ -0,0 +1,41 @@
+.xx "" "" """quotes"", for roff" ""
+.xx "" "and some other like %a, b" "#, c$c" ""
+.xx "" "and some other like %a, b#, c" "$c" ""
+.xx "" "and some other like" "%a, b#, c$c" ""
+.xx "" "and some other like %a" ", b#, c$c" ""
+.xx "" """quotes""," "for roff" ""
+.xx "" "{brackets}" "for tex" ""
+.xx "" "" "hello world!" ""
+.xx "" "let's c" "heck special characters:" ""
+.xx "" "let's check special c" "haracters:" ""
+.xx "" "let's check spec" "ial characters:" ""
+.xx "" "let's chec" "k special characters:" ""
+.xx "" "{brac" "kets} for tex" ""
+.xx "" "oh, and bac" "k\slash" ""
+.xx "" "" "let's check special characters:" ""
+.xx "" "let's check specia" "l characters:" ""
+.xx "" "and some other" "like %a, b#, c$c" ""
+.xx "" "he" "llo world!" ""
+.xx "" "maybe a" "lso~or^" ""
+.xx "" "" "maybe also~or^" ""
+.xx "" "a" "nd some other like %a, b#, c$c" ""
+.xx "" "oh, a" "nd back\slash" ""
+.xx "" "" "oh, and back\slash" ""
+.xx "" "and some" "other like %a, b#, c$c" ""
+.xx "" "let's check special cha" "racters:" ""
+.xx "" "{b" "rackets} for tex" ""
+.xx "" "and some othe" "r like %a, b#, c$c" ""
+.xx "" """quotes"", for" "roff" ""
+.xx "" "let's check special characte" "rs:" ""
+.xx "" """quote" "s"", for roff" ""
+.xx "" "oh, and back\sla" "sh" ""
+.xx "" "and" "some other like %a, b#, c$c" ""
+.xx "" "let's check" "special characters:" ""
+.xx "" "let's check special charac" "ters:" ""
+.xx "" "{brackets} for" "tex" ""
+.xx "" "le" "t's check special characters:" ""
+.xx "" "{bracke" "ts} for tex" ""
+.xx "" "hello" "world!" ""
+.xx "" "{brackets} for te" "x" ""
+.xx "" "ma" "ybe also~or^" ""
+.xx "" "" "{brackets} for tex" ""