busybox/testsuite/xargs.tests
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   1#!/bin/sh
   2# Copyright 2008 by Denys Vlasenko
   3# Licensed under GPLv2, see file LICENSE in this source tree.
   4
   5. ./testing.sh
   6
   7# testing "test name" "command" "expected result" "file input" "stdin"
   8
   9testing "xargs -E _ stops on underscore" \
  10        "xargs -E _" \
  11        "a\n" \
  12        "" "a\n_\nb\n"
  13
  14testing "xargs -E ''" \
  15        "xargs -E ''" \
  16        "a _ b\n" \
  17        "" "a\n_\nb\n"
  18
  19testing "xargs -e without param" \
  20        "xargs -e" \
  21        "a _ b\n" \
  22        "" "a\n_\nb\n"
  23
  24testing "xargs does not stop on underscore ('new' GNU behavior)" \
  25        "xargs" \
  26        "a _ b\n" \
  27        "" "a\n_\nb\n"
  28
  29testing "xargs -s7 can take one-char input" \
  30        "xargs -s7 echo" \
  31        "a\n" \
  32        "" "a\n"
  33
  34testing "xargs -sNUM test 1" \
  35        "xargs -ts25 echo 2>&1 >/dev/null" \
  36        "echo 1 2 3 4 5 6 7 8 9 0\n""echo 1 2 3 4 5 6 7 8 9\n""echo 00\n" \
  37        "" "1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 00\n"
  38
  39testing "xargs -sNUM test 2" \
  40        "xargs -ts25 echo 1 2>&1 >/dev/null" \
  41        "echo 1 2 3 4 5 6 7 8 9 0\n""echo 1 2 3 4 5 6 7 8 9\n""echo 1 00\n" \
  42        "" "2 3 4 5 6 7 8 9 0 2 3 4 5 6 7 8 9 00\n"
  43
  44# see that we don't get "argument line too long",
  45# but do see the last word, 99999, instead
  46optional FEATURE_XARGS_SUPPORT_QUOTES
  47testing "xargs argument line too long" \
  48        "seq 10000 99999 | sed -e 's/^/\"/' -e 's/$/\"/' | xargs echo | grep -o 99999; echo \$?" \
  49        "99999\n0\n" \
  50        "" ""
  51
  52testing "xargs -n1" \
  53        "xargs -n1 echo" \
  54        "1\n2\n3\n4\n5\n" \
  55        "" "1 2 3 4 5\n"
  56
  57testing "xargs -n2" \
  58        "xargs -n2 echo" \
  59        "1 2\n3 4\n5\n" \
  60        "" "1 2 3 4 5\n"
  61
  62SKIP=
  63
  64optional FEATURE_XARGS_SUPPORT_QUOTES FEATURE_XARGS_SUPPORT_REPL_STR
  65testing "xargs -I skips empty lines and leading whitespace" \
  66        "xargs -I% echo '[%]'" \
  67        "[2]\n[4]\n[6 6 ]\n[7]\n" \
  68        "" " \n2\n\n4\n\n 6 6 \n \v \t 7\n\t\n\v\n"
  69
  70SKIP=
  71
  72exit $FAILCOUNT
  73