diff --git a/src/bin/pg_dump/t/001_basic.pl b/src/bin/pg_dump/t/001_basic.pl
index 550eab1ee3..083fb3ad08 100644
--- a/src/bin/pg_dump/t/001_basic.pl
+++ b/src/bin/pg_dump/t/001_basic.pl
@@ -4,7 +4,7 @@ use warnings;
 use Config;
 use PostgresNode;
 use TestLib;
-use Test::More tests => 78;
+use Test::More tests => 82;
 
 my $tempdir       = TestLib::tempdir;
 my $tempdir_short = TestLib::tempdir_short;
@@ -123,6 +123,16 @@ command_fails_like(
 	qr/\Qpg_dump: error: compression level must be in range 0..9\E/,
 	'pg_dump: compression level must be in range 0..9');
 
+command_fails_like(
+	[ 'pg_dump', '--extra-float-digits', '-16' ],
+	qr/\Qpg_dump: error: extra_float_digits must be in range -15..3\E/,
+	'pg_dump: extra_float_digits must be in range -15..3');
+
+command_fails_like(
+	[ 'pg_dump', '--rows-per-insert', '0' ],
+	qr/\Qpg_dump: error: rows-per-insert must be in range 1..2147483647\E/,
+	'pg_dump: rows-per-insert must be in range 1..2147483647');
+
 command_fails_like(
 	[ 'pg_restore', '--if-exists', '-f -' ],
 	qr/\Qpg_restore: error: option --if-exists requires option -c\/--clean\E/,