B03print.ztst   [plain text]


# Tests for the echo, print, printf and pushln builtins

# Tested elsewhere:
#  Use of print -p to output to coprocess	A01grammar
#  Prompt expansion with print -P		D01prompt
#  -l, -r, -R and -n indirectly tested in various places

# Not yet tested:
#  echo and pushln
#  print's -b -c -s -z -N options


%test

 print -D "${HOME:-~}"
0:replace directory name
>~

 print -u2 'error message'
0:output to file-descriptor
?error message

 print -o foo bar Baz
0:argument sorting
>Baz bar foo

 print -f
1:print -f needs a format specified
?(eval):print:1: argument expected: -f

 print -Of '%s\n' foo bar baz
0:reverse argument sorting
>foo
>baz
>bar

# some locales force case-insensitive sorting
 (LC_ALL=C; print -o a B c)
0:case-sensitive argument sorting
>B a c

 (LC_ALL=C; print -io a B c)
0:case-insensitive argument sorting
>a B c

 print -m '[0-9]' one 2 three 4 five 6
0:removal of non-matching arguments
>2 4 6

 printf '%s\n' string
0:test s format specifier
>string

 printf '%b' '\t\\\n'
0:test b format specifier
>	\

 printf '%q\n' '=a=b \ c!'
0: test q format specifier
>\=a=b\ \\\ c!

 printf '%c\n' char
0:test c format specifier
>c

 printf '%.10e%n\n' 1 count >/dev/null
 printf '%d\n' $count
0:test n format specifier
>16

 printf '%5b%n\n' abc count >/dev/null; echo $count
0:check count of width-specified %b
>5

 printf '%s!%5b!\n' abc
0:ensure width is applied to empty param
>abc!     !

 printf '%d %d\n' 123.45 678 90.1
0:test d format specifier
>123 678
>90 0

 printf '%g %g\n' 123.45 678 90.1
0:test g format specifier
>123.45 678
>90.1 0

 print -f 'arg: %b\n' -C2 '\x41' '\x42' '\x43'
0:override -C when -f was given
>arg: A
>arg: B
>arg: C

# Is anyone not using ASCII
 printf '%d\n' \'A
0:initial quote to get numeric value of character with int
>65

 printf '%.1E\n' \'B
0:initial quote to get numeric value of character with double
>6.6E+01

 printf '%x\n' $(printf '"\xf0')
0:numeric value of high numbered character
>f0

# code will probably be changed to print the literal `%s' in this case
 printf '\x25s\n' arg
0:using \x25 to introduce a format specifier
>arg

 printf '%3c\n' c
0:width specified in format specifier
>  c

 printf '%.4s\n' chopped
0:precision specified in format specifier
>chop

 printf '%*.*f\n' 6 2 10.2
0:width/precision specified in arguments
> 10.20

 printf '%z'
1:use of invalid directive
?(eval):printf:1: %z: invalid directive

 printf '%d\n' 3a
1:bad arithmetic expression
?(eval):1: bad math expression: operator expected at `a'
>0

 printf '%12$s' 1 2 3
1:out of range argument specifier
?(eval):printf:1: 12: argument specifier out of range

 printf '%2$s\n' 1 2 3
1:out of range argument specifier on format reuse
?(eval):printf:1: 2: argument specifier out of range
>2

 printf '%*0$d'
1:out of range argument specifier on width
?(eval):printf:1: 0: argument specifier out of range

 print -m -f 'format - %s.\n' 'z' a b c
0:format not printed if no arguments left after -m removal

 print -f 'format - %s%b.\n'
0:format printed despite lack of arguments
>format - .

 printf 'x%4sx\n'
0:with no arguments empty string where string needed
>x    x

 printf '%d\n'
0:with no arguments, zero used where number needed
>0

 printf '%s\t%c:%#x%%\n' one a 1 two b 2 three c 3
0:multiple arguments with format reused
>one	a:0x1%
>two	b:0x2%
>three	c:0x3%

 printf '%d%n' 123 val val val > /dev/null
 printf '%d\n' val
0:%n count zeroed on format reuse
>1

# this may fill spec string with '%0+- #*.*lld\0' - 13 characters
 printf '%1$0+- #-08.5dx\n' 123
0:maximal length format specification
>+00123  x

 printf '%*smorning\n' -5 good
0:negative width specified
>good morning

 printf '%.*g\n' -1 .1
0:negative precision specified
>0.1

 printf '%2$s %1$d\n' 1 2
0:specify argument to output explicitly
>2 1

 printf '%3$.*1$d\n' 4 0 3
0:specify output and precision arguments explicitly
>0003

 printf '%2$d%1$d\n' 1 2 3 4
0:reuse format where arguments are explicitly specified
>21
>43

 printf '%1$*2$d' 1 2 3 4 5 6 7 8 9 10; echo .EoL.
0:reuse of specified arguments 
> 1   3     5       7         9.EoL.

 echo -n 'Now is the time'; echo .EoL.
0:testing -n with echo
>Now is the time.EoL.

 printf '%1$0+.3d\n' 3
0:flags mixed with specified argument
>+003

# Test the parsing of the \c escape.

 echo '1 2!\c3 4' a b c d; echo .EoL.
0:Truncating first echo arg using backslash-c
>1 2!.EoL.

 echo a b '1 2?\c5 6' c d; echo .EoL.
0:Truncating third echo arg using backslash-c
>a b 1 2?.EoL.

 printf '1 2!\c3 4'; echo .EoL.
0:Truncating printf literal using backslash-c
>1 2!.EoL.

 printf '%s %b!\c%s %s' 1 2 3 4 5 6 7 8 9; echo .EoL.
0:Truncating printf format using backslash-c
>1 2!.EoL.

 printf '%s %b!\c%s %s' '1\c' '2\n\c' 3 4 5 6 7 8 9
0:Truncating printf early %b arg using backslash-c
>1\c 2

 printf '%b %b\n' 1 2 3 4 '5\c' 6 7 8 9; echo .EoL.
0:Truncating printf late %b arg using backslash-c
>1 2
>3 4
>5.EoL.

# The following usage, as stated in the manual, is not recommended and the
# results are undefined. Tests are here anyway to ensure some form of
# half-sane behaviour.

 printf '%2$s %s %3$s\n' Morning Good World
0:mixed style of argument selection
>Good Morning World

 printf '%*1$.*d\n' 1 2
0:argument specified for width only
>00

 print -f '%*.*1$d\n' 1 2 3
0:argument specified for precision only
>2
>000

 printf -- '%s\n' str
0:initial `--' ignored to satisfy POSIX
>str

 printf '%'
1:nothing after % in format specifier
?(eval):printf:1: %: invalid directive

 printf $'%\0'
1:explicit null after % in format specifier
?(eval):printf:1: %: invalid directive

 printf '%b\n' '\0123'
0:printf handles \0... octal escapes in replacement text
>S

 print -lO $'a' $'a\0' $'a\0b' $'a\0b\0' $'a\0b\0a' $'a\0b\0b' $'a\0c' |
 while read -r line; do
    for (( i = 1; i <= ${#line}; i++ )); do
      foo=$line[i]
      printf "%02x" $(( #foo ))
    done
    print
 done
0:sorting with embedded nulls
>610063
>6100620062
>6100620061
>61006200
>610062
>6100
>61