diff --git a/mp4.t b/mp4.t
index 288500d..57ec1ca 100644
--- a/mp4.t
+++ b/mp4.t
@@ -24,7 +24,7 @@
 select STDOUT; $| = 1;
 
 my $t = Test::Nginx->new()->has(qw/http mp4/)->has_daemon('ffprobe ffmpeg')
-	->plan(12)->write_file_expand('nginx.conf', <<'EOF');
+	->plan(14)->write_file_expand('nginx.conf', <<'EOF');
 
 %%TEST_GLOBALS%%
 
@@ -64,7 +64,7 @@
 is(durations($t, 7.1), '2.9 12.9', 'start float');
 
 SKIP: {
-skip 'no end argument support', 7 unless $t->has_version('1.5.13');
+skip 'no end argument support', 8 unless $t->has_version('1.5.13');
 
 is(durations($t, 6, 9), '3.0 3.0', 'start end integer');
 is(durations($t, 2.7, 5.6), '2.9 2.9', 'start end float');
@@ -81,6 +81,15 @@
 
 unlike(http_head("/test.mp4?end=11"), qr!HTTP/1.1 500!,
 	'end beyond short track');
+unlike(http_head("/test.mp4?end=21"), qr!HTTP/1.1 500!, 'end beyond EOF');
+
+}
+
+TODO: {
+local $TODO = 'not yet' unless $t->has_version('1.5.10');
+
+unlike(http_head("/test.mp4?start=11"), qr!HTTP/1.1 500!,
+	'start beyond short track');
 
 }