xref: /aosp_15_r20/external/toybox/tests/head.test (revision cf5a6c84e2b8763fc1a7db14496fd4742913b199)
1*cf5a6c84SAndroid Build Coastguard Worker#!/bin/bash
2*cf5a6c84SAndroid Build Coastguard Worker
3*cf5a6c84SAndroid Build Coastguard Worker[ -f testing.sh ] && . testing.sh
4*cf5a6c84SAndroid Build Coastguard Worker
5*cf5a6c84SAndroid Build Coastguard Worker#testing "name" "command" "result" "infile" "stdin"
6*cf5a6c84SAndroid Build Coastguard Worker
7*cf5a6c84SAndroid Build Coastguard Workertestcmd "stdin" "-n 1 && echo yes" "one\nyes\n" "" "one\ntwo"
8*cf5a6c84SAndroid Build Coastguard Workertestcmd "stdin via -" "-n 1 - && echo yes" "one\nyes\n" "" "one\ntwo"
9*cf5a6c84SAndroid Build Coastguard Workertestcmd "file" "input -n 1 && echo yes" "one\nyes\n" "one\ntwo" ""
10*cf5a6c84SAndroid Build Coastguard Workertestcmd "-number" "-2 input && echo yes" "one\ntwo\nyes\n" \
11*cf5a6c84SAndroid Build Coastguard Worker	"one\ntwo\nthree\nfour" ""
12*cf5a6c84SAndroid Build Coastguard Workertestcmd "default lines" "" "1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n" "" "1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n11\n12"
13*cf5a6c84SAndroid Build Coastguard Worker
14*cf5a6c84SAndroid Build Coastguard Worker# coreutils & busybox name stdin as "standard input", toybox uses "-"
15*cf5a6c84SAndroid Build Coastguard Workertestcmd "-v file" "-v -n 1 input" "==> input <==\none\n" "one\ntwo\n" ""
16*cf5a6c84SAndroid Build Coastguard Workertestcmd "-v stdin" "-v -n 1 | sed 's/standard input/-/'" \
17*cf5a6c84SAndroid Build Coastguard Worker	"==> - <==\none\n" "" "one\ntwo\n"
18*cf5a6c84SAndroid Build Coastguard Worker
19*cf5a6c84SAndroid Build Coastguard Workertestcmd "file and stdin" "-n 1 input - | sed 's/standard input/-/'" \
20*cf5a6c84SAndroid Build Coastguard Worker	"==> input <==\none\n\n==> - <==\nfoo\n" "one\ntwo\n" "foo\nbar\n"
21*cf5a6c84SAndroid Build Coastguard Worker
22*cf5a6c84SAndroid Build Coastguard Workerecho "foo
23*cf5a6c84SAndroid Build Coastguard Workerbar
24*cf5a6c84SAndroid Build Coastguard Workerbaz" > file1
25*cf5a6c84SAndroid Build Coastguard Workertestcmd "multiple files" "-n 2 input file1" \
26*cf5a6c84SAndroid Build Coastguard Worker  "==> input <==\none\ntwo\n\n==> file1 <==\nfoo\nbar\n" "one\ntwo\nthree\n" ""
27*cf5a6c84SAndroid Build Coastguard Workertestcmd "-q, multiple files" "-q -n 2 input file1" "one\ntwo\nfoo\nbar\n" \
28*cf5a6c84SAndroid Build Coastguard Worker	"one\ntwo\nthree\n" ""
29*cf5a6c84SAndroid Build Coastguard Workerrm file1
30*cf5a6c84SAndroid Build Coastguard Worker
31*cf5a6c84SAndroid Build Coastguard Workertestcmd "-c 3" "-c 3" "one" "" "one\ntwo"
32*cf5a6c84SAndroid Build Coastguard Workertestcmd "-c bigger than input" "-c 3" "a" "" "a"
33*cf5a6c84SAndroid Build Coastguard Workertestcmd "-c 3 -n 1" "-c 3 -n 1" "one\n" "" "one\ntwo"
34*cf5a6c84SAndroid Build Coastguard Workertestcmd "-n 1 -c 3" "-n 1 -c 3" "one" "" "one\ntwo"
35*cf5a6c84SAndroid Build Coastguard Workertesting "unget" 'while read i; do echo =$i; head -n 1; done < input' \
36*cf5a6c84SAndroid Build Coastguard Worker  '=one\ntwo\n=three\nfour\n=five\n' 'one\ntwo\nthree\nfour\nfive\n' ''
37