start_server {tags {"protocol"}} {
    test "Handle an empty query" {
        reconnect
        r write "\r\n"
        r flush
        assert_equal "PONG" [r ping]
    }

    test "Negative multibulk length" {
        reconnect
        r write "*-10\r\n"
        r flush
        assert_equal PONG [r ping]
    }

    test "Out of range multibulk length" {
        reconnect
        r write "*20000000\r\n"
        r flush
        assert_error "*invalid multibulk length*" {r read}
    }

    test "Wrong multibulk payload header" {
        reconnect
        r write "*3\r\n\$3\r\nSET\r\n\$1\r\nx\r\nfooz\r\n"
        r flush
        assert_error "*expected '$', got 'f'*" {r read}
    }

    test "Negative multibulk payload length" {
        reconnect
        r write "*3\r\n\$3\r\nSET\r\n\$1\r\nx\r\n\$-10\r\n"
        r flush
        assert_error "*invalid bulk length*" {r read}
    }

    test "Out of range multibulk payload length" {
        reconnect
        r write "*3\r\n\$3\r\nSET\r\n\$1\r\nx\r\n\$2000000000\r\n"
        r flush
        assert_error "*invalid bulk length*" {r read}
    }

    test "Non-number multibulk payload length" {
        reconnect
        r write "*3\r\n\$3\r\nSET\r\n\$1\r\nx\r\n\$blabla\r\n"
        r flush
        assert_error "*invalid bulk length*" {r read}
    }

    test "Multi bulk request not followed by bulk arguments" {
        reconnect
        r write "*1\r\nfoo\r\n"
        r flush
        assert_error "*expected '$', got 'f'*" {r read}
    }

    test "Generic wrong number of args" {
        reconnect
        assert_error "*wrong*arguments*ping*" {r ping x y z}
    }
}

start_server {tags {"regression"}} {
    test "Regression for a crash with blocking ops and pipelining" {
        set rd [redis_deferring_client]
        set fd [r channel]
        set proto "*3\r\n\$5\r\nBLPOP\r\n\$6\r\nnolist\r\n\$1\r\n0\r\n"
        puts -nonewline $fd $proto$proto
        flush $fd
        set res {}

        $rd rpush nolist a
        $rd read
        $rd rpush nolist a
        $rd read
    }
}
