diff --git a/tests/by-util/test_ptx.rs b/tests/by-util/test_ptx.rs
index 426792e05..7fd40db76 100644
--- a/tests/by-util/test_ptx.rs
+++ b/tests/by-util/test_ptx.rs
@@ -11,6 +11,25 @@ fn test_invalid_arg() {
     new_ucmd!().arg("--definitely-invalid").fails_with_code(1);
 }
 
+#[test]
+fn test_tex_format_no_truncation_markers() {
+    let input = "Hello world Rust is a fun language";
+    new_ucmd!()
+        .args(&["-G", "-w", "30", "--format=tex"])
+        .pipe_in(input)
+        .succeeds()
+        .stdout_only_fixture("test_tex_format_no_truncation_markers.expected");
+}
+#[test]
+fn gnu_ext_disabled_chunk_no_over_reading() {
+    let input = "Hello World Rust is a fun language";
+    new_ucmd!()
+        .args(&["-G", "-w", "30"])
+        .pipe_in(input)
+        .succeeds()
+        .stdout_only_fixture("gnu_ext_disabled_chunk_no_over_reading.expected");
+}
+
 #[test]
 fn test_truncation_no_extra_space_in_after() {
     new_ucmd!()
diff --git a/tests/fixtures/ptx/gnu_ext_disabled_chunk_no_over_reading.expected b/tests/fixtures/ptx/gnu_ext_disabled_chunk_no_over_reading.expected
new file mode 100644
index 000000000..8b84c3038
--- /dev/null
+++ b/tests/fixtures/ptx/gnu_ext_disabled_chunk_no_over_reading.expected
@@ -0,0 +1,7 @@
+.xx "Rust is/" "" "Hello World" ""
+.xx "" "Hello World" "Rust is a/" ""
+.xx "is/" "Hello" "World Rust" ""
+.xx "" "/Rust is" "a fun/" ""
+.xx "" "/Rust is a" "fun language" ""
+.xx "" "/World Rust" "is a fun/" ""
+.xx "" "/is a fun" "language" ""
diff --git a/tests/fixtures/ptx/test_tex_format_no_truncation_markers.expected b/tests/fixtures/ptx/test_tex_format_no_truncation_markers.expected
new file mode 100644
index 000000000..14dc9d3db
--- /dev/null
+++ b/tests/fixtures/ptx/test_tex_format_no_truncation_markers.expected
@@ -0,0 +1,7 @@
+\xx {Rust is}{}{Hello}{ world}{}
+\xx {}{Hello world}{Rust}{ is a}{}
+\xx {}{Rust is}{a}{ fun}{}
+\xx {}{Rust is a}{fun}{ language}{}
+\xx {}{world Rust}{is}{ a fun}{}
+\xx {}{is a fun}{language}{}{}
+\xx {is}{Hello}{world}{ Rust}{}