ndk-busybox/testsuite/printf.tests
Bernhard Reutner-Fischer 3db4e7f84c printf: fix printing +-prefixed numbers
Thanks to Cristian Ionescu-Idbohrn for noticing.

Also fix "%d" '  42' to skip leading whitespace.

function                                             old     new   delta
print_direc                                          435     454     +19
bb_strtoll                                            99     103      +4
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/0 up/down: 23/0)               Total: 23 bytes

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2018-10-19 15:27:42 +02:00

142 lines
3.4 KiB
Bash
Executable File

#!/bin/sh
# Copyright 2008 by Denys Vlasenko
# Licensed under GPLv2, see file LICENSE in this source tree.
. ./testing.sh
# Need this in order to not execute shell builtin
bb="busybox "
# testing "test name" "command" "expected result" "file input" "stdin"
testing "printf produces no further output 1" \
"${bb}printf '\c' foo" \
"" \
"" ""
testing "printf produces no further output 2" \
"${bb}printf '%s\c' foo bar" \
"foo" \
"" ""
testing "printf repeatedly uses pattern for each argv" \
"${bb}printf '%s\n' foo '$HOME'" \
"foo\n$HOME\n" \
"" ""
testing "printf understands %b escaped_string" \
"${bb}printf '%b' 'a\tb' 'c\\d\n' 2>&1; echo \$?" \
"a\tbc\\d\n""0\n" \
"" ""
testing "printf understands %d '\"x' \"'y\" \"'zTAIL\"" \
"${bb}printf '%d\n' '\"x' \"'y\" \"'zTAIL\" 2>&1; echo \$?" \
"120\n""121\n""122\n""0\n" \
"" ""
testing "printf understands %s '\"x' \"'y\" \"'zTAIL\"" \
"${bb}printf '%s\n' '\"x' \"'y\" \"'zTAIL\" 2>&1; echo \$?" \
"\"x\n""'y\n""'zTAIL\n""0\n" \
"" ""
testing "printf understands %23.12f" \
"${bb}printf '|%23.12f|\n' 5.25 2>&1; echo \$?" \
"| 5.250000000000|\n""0\n" \
"" ""
testing "printf understands %*.*f" \
"${bb}printf '|%*.*f|\n' 23 12 5.25 2>&1; echo \$?" \
"| 5.250000000000|\n""0\n" \
"" ""
testing "printf understands %*f with negative width" \
"${bb}printf '|%*f|\n' -23 5.25 2>&1; echo \$?" \
"|5.250000 |\n""0\n" \
"" ""
testing "printf understands %.*f with negative precision" \
"${bb}printf '|%.*f|\n' -12 5.25 2>&1; echo \$?" \
"|5.250000|\n""0\n" \
"" ""
testing "printf understands %*.*f with negative width/precision" \
"${bb}printf '|%*.*f|\n' -23 -12 5.25 2>&1; echo \$?" \
"|5.250000 |\n""0\n" \
"" ""
testing "printf understands %zd" \
"${bb}printf '%zd\n' -5 2>&1; echo \$?" \
"-5\n""0\n" \
"" ""
testing "printf understands %ld" \
"${bb}printf '%ld\n' -5 2>&1; echo \$?" \
"-5\n""0\n" \
"" ""
testing "printf understands %Ld" \
"${bb}printf '%Ld\n' -5 2>&1; echo \$?" \
"-5\n""0\n" \
"" ""
testing "printf handles positive numbers for %d" \
"${bb}printf '%d\n' 3 +3 ' 3' ' +3' 2>&1; echo \$?" \
"3\n"\
"3\n"\
"3\n"\
"3\n""0\n" \
"" ""
testing "printf handles positive numbers for %i" \
"${bb}printf '%i\n' 3 +3 ' 3' ' +3' 2>&1; echo \$?" \
"3\n"\
"3\n"\
"3\n"\
"3\n""0\n" \
"" ""
testing "printf handles positive numbers for %x" \
"${bb}printf '%x\n' 42 +42 ' 42' ' +42' 2>&1; echo \$?" \
"2a\n"\
"2a\n"\
"2a\n"\
"2a\n""0\n" \
"" ""
testing "printf handles positive numbers for %f" \
"${bb}printf '%0.3f\n' .42 +.42 ' .42' ' +.42' 2>&1; echo \$?" \
"0.420\n"\
"0.420\n"\
"0.420\n"\
"0.420\n""0\n" \
"" ""
# "FIXED" now to act compatibly
## We are "more correct" here than bash/coreutils: they happily print -2
## as if it is a huge unsigned number
#testing "printf handles %u -N" \
# "${bb}printf '%u\n' 1 -2 3 2>&1; echo \$?" \
# "1\n""printf: -2: invalid number\n""0\n""3\n""0\n" \
# "" ""
testing "printf handles %d bad_input" \
"${bb}printf '%d\n' 1 - 2 bad 3 123bad 4 2>&1; echo \$?" \
"1\n""printf: invalid number '-'\n""0\n"\
"2\n""printf: invalid number 'bad'\n""0\n"\
"3\n""printf: invalid number '123bad'\n""0\n"\
"4\n""1\n" \
"" ""
testing "printf aborts on bare %" \
"${bb}printf '%' a b c 2>&1; echo \$?" \
"printf: %: invalid format\n""1\n" \
"" ""
testing "printf aborts on %r" \
"${bb}printf '%r' a b c 2>&1; echo \$?" \
"printf: %r: invalid format\n""1\n" \
"" ""
exit $FAILCOUNT