autoconf/tests/m4sh.at

#							-*- Autotest -*-

AT_BANNER([M4sh.])

# Copyright (C) 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.

## ---------------- ##
## LINENO support.  ##
## ---------------- ##

AT_SETUP([LINENO])

# We cannot unset LINENO with Zsh, yet this test case relies on
# unsetting LINENO to compare its result when (i) LINENO is supported
# and when (ii) it is not.
# So just skip if the shell is ZSH.
AT_CHECK([test -n "${ZSH_VERSION+set}" && exit 77], ignore)

# AT_DATA_LINENO(FILE-NAME,
#                UNSET-LINENO = true | false, COUNTER, COUNTER-RE)
# ----------------------------------------------------------------
# Produce the FILE-NAME M4sh script which uses the COUNTER LINENO or
# _oline_, which we can recognized via COUNTER-RE.  Unset LINENO is
# UNSET-LINENO.
#
# Use COUNTER, COUNTER-RE = [__LINENO__], [LINENO]
#  or                     = [__OLINE__],  [_oline__]
#
# instead of the obvious $LINENO and __oline__, because they would
# be replaced in the test suite itself, even before creating these
# scripts.  For the same reason, grep for LINENO and _oline__ (sic).
#
# UNSET-LINENO is a shell condition to make sure the scripts have the
# same number of lines in the output, so that their outputs be identical.
m4_define([AT_DATA_LINENO],
[AT_DATA([$1.tas],
[[AS@&t@_INIT
if $2; then
  AS@&t@_UNSET([LINENO])
fi
_AS@&t@_PREPARE
echo "Line: $3"
grep 'Line: .*$4' $[0] >/dev/null ||
  AS@&t@_ERROR([cannot find original script])
exit 0
]])
# If occurrences of $LINENO or __oline__ were wanted, create them.
sed 's/__LINENO__/$''LINENO/g;s/__OLINE__/__''oline__/g' $1.tas >$1.as
AT_CHECK([autom4te -l m4sh $1.as -o $1])
])# AT_DATA_LINENO

# `_oline_', once processed and ran, produces our reference.
# We check that we find ourselves by looking at a string which is
# available only in the original script: `_oline_'.
AT_DATA_LINENO([reference], [false], [__OLINE__], [_oline__])
AT_CHECK([./reference], 0, [stdout])

# The reference:
mv stdout expout

# Now using a maybe-functioning LINENO, with different call conventions.
# Be sure to be out of the PATH.
AT_CHECK([mkdir test || exit 77])

AT_DATA_LINENO([test/test-1], [false], [__LINENO__], [LINENO])
AT_CHECK([./test/test-1],                          0, [expout])
AT_CHECK([(PATH=test$PATH_SEPARATOR$PATH; export PATH; exec test-1)],
						   0, [expout])
AT_CHECK([sh ./test/test-1],                       0, [expout])

# Now using a disabled LINENO, with different call conventions.
AT_DATA_LINENO([test/test-2], [true], [__LINENO__], [LINENO])
AT_CHECK([./test/test-2],                          0, [expout])
AT_CHECK([(PATH=test$PATH_SEPARATOR$PATH; export PATH; exec test-2)],
						   0, [expout])
AT_CHECK([sh ./test/test-2],                       0, [expout])

AT_CLEANUP



## ------------ ##
## AS_DIRNAME.  ##
## ------------ ##

# Build nested dirs.
AT_SETUP([[AS@&t@_DIRNAME]])

AT_DATA_M4SH([script.as],
[[AS_INIT

# The EXPR variant is allowed to fail if `expr' was considered as too
# weak for us, in which case `as_expr=false'.
m4_define([DIRNAME_TEST],
[dir=`AS_DIRNAME([$1])`
test "$dir" = "$2" || (test -n "$3" && test "$dir" = "$3") ||
  echo "dirname($1) = $dir instead of $2" >&2

if test "$as_expr" != false; then
  dir=`AS_DIRNAME_EXPR([$1])`
  test "$dir" = "$2" || (test -n "$3" && test "$dir" = "$3") ||
    echo "dirname_expr($1) = $dir instead of $2" >&2
fi

dir=`AS_DIRNAME_SED([$1])`
test "$dir" = "$2" ||
test "$dir" = "$2" || (test -n "$3" && test "$dir" = "$3") ||
  echo "dirname_sed($1) = $dir instead of $2" >&2])

DIRNAME_TEST([/],		[/])
DIRNAME_TEST([//],		[//],	[/])
DIRNAME_TEST([///],		[/])
DIRNAME_TEST([//1],		[//],	[/])
DIRNAME_TEST([/1],		[/])
DIRNAME_TEST([./1],		[.])
DIRNAME_TEST([../../2],		[../..])
DIRNAME_TEST([//1/],		[//],	[/])
DIRNAME_TEST([/1/],		[/])
DIRNAME_TEST([./1/],		[.])
DIRNAME_TEST([../../2],		[../..])
DIRNAME_TEST([//1/3],		[//1])
DIRNAME_TEST([/1/3],		[/1])
DIRNAME_TEST([./1/3],		[./1])
DIRNAME_TEST([../../2/3],	[../../2])
DIRNAME_TEST([//1/3///],	[//1])
DIRNAME_TEST([/1/3///],		[/1])
DIRNAME_TEST([./1/3///],	[./1])
DIRNAME_TEST([../../2/3///],	[../../2])
DIRNAME_TEST([//1//3/],		[//1])
DIRNAME_TEST([/1//3/],		[/1])
DIRNAME_TEST([./1//3/],		[./1])
DIRNAME_TEST([../../2//3/],	[../../2])
AS_EXIT(0)
]])

AT_CHECK_M4SH
AT_CHECK([./script])

AT_CLEANUP



## ------------- ##
## AS_BASENAME.  ##
## ------------- ##

# Build nested dirs.
AT_SETUP([[AS@&t@_BASENAME]])

AT_DATA_M4SH([script.as],
[[AS_INIT

m4_define([BASENAME_TEST],
[base=`AS_BASENAME([$1])`
test "$base" = "$2" ||
  echo "basename($1) = $base instead of $2" >&2

base=`AS_BASENAME_SED([$1])`
test "$base" = "$2" ||
  echo "basename_sed($1) = $base instead of $2" >&2])

BASENAME_TEST([//1],             [1])
BASENAME_TEST([/1],              [1])
BASENAME_TEST([./1],             [1])
BASENAME_TEST([../../2],         [2])
BASENAME_TEST([//1/],            [1])
BASENAME_TEST([/1/],             [1])
BASENAME_TEST([./1/],            [1])
BASENAME_TEST([../../2],         [2])
BASENAME_TEST([//1/3],           [3])
BASENAME_TEST([/1/3],            [3])
BASENAME_TEST([./1/3],           [3])
BASENAME_TEST([../../2/3],       [3])
BASENAME_TEST([//1/3///],        [3])
BASENAME_TEST([/1/3///],         [3])
BASENAME_TEST([./1/3///],        [3])
BASENAME_TEST([../../2/3///],    [3])
BASENAME_TEST([//1//3/],         [3])
BASENAME_TEST([/1//3/],          [3])
BASENAME_TEST([./1//3/],         [3])
BASENAME_TEST([a.c],             [a.c])
BASENAME_TEST([a.c/],            [a.c])
BASENAME_TEST([/a.c/],           [a.c])
BASENAME_TEST([/1/a.c],          [a.c])
BASENAME_TEST([/1/a.c/],         [a.c])
BASENAME_TEST([/1/../a.c],       [a.c])
BASENAME_TEST([/1/../a.c/],      [a.c])
BASENAME_TEST([./1/a.c],         [a.c])
BASENAME_TEST([./1/a.c/],        [a.c])
AS_EXIT(0)
]])

AT_CHECK_M4SH
AT_CHECK([./script])

AT_CLEANUP



## ------------ ##
## AS_MKDIR_P.  ##
## ------------ ##

# Build nested dirs.
AT_SETUP([[AS@&t@_MKDIR_P]])

AT_DATA_M4SH([script.as],
[[AS_INIT

pwd=`pwd`
set -e
# Absolute
AS_MKDIR_P(["$pwd/1/2/3/4/5/6"])
test -d "$pwd/1/2/3/4/5/6" ||
  AS_ERROR([$pwd/1/2/3/4/5/6 has not been properly created])
# Relative
AS_MKDIR_P(["a/b/c/d/e/f"])
test -d a/b/c/d/e/f ||
  AS_ERROR([a/b/c/d/e/f has not been properly created])
AS_EXIT(0)
]])

AT_CHECK_M4SH
AT_CHECK([./script])

AT_CLEANUP




## ----------------------------- ##
## Negated classes in globbing.  ##
## ----------------------------- ##

# It is known that `[^...]' is not universally supported, but it is
# unknown for `[!...]'.

AT_SETUP([Negated classes in globbing])

AT_DATA_M4SH([script.as],
[[AS_INIT

case 'with!two!bangs' in
  *[[!a-z]]*) ;;
           *) AS_ERROR([[`*[!a-z]*' didn't match `with!two!bangs']]);;
esac

case without in
  *[[!a-z]]*) AS_ERROR([[`*[!a-z]*' matched `without']]);;
esac
]])

AT_CHECK_M4SH
AT_CHECK([./script])

AT_CLEANUP




## ------------------- ##
## Functions Support.  ##
## ------------------- ##

# Hypothesis: the shell we are running, after having checked for
# $LINENO support, supports functions.

AT_SETUP([Functions Support])

AT_DATA_M4SH([script.as],
[[AS_INIT
_AS_LINENO_PREPARE

func_return () {
  (exit $1)
}

func_success () {
  func_return 0
}

func_failure () {
  func_return 1
}

if func_success; then
  if func_failure; then
    AS_ERROR([func_failure passed])
  fi
else
  AS_ERROR([func_success failed])
fi
]])

AT_CHECK_M4SH
AT_CHECK([./script])

AT_CLEANUP




## ------------------------------ ##
## Functions and return Support.  ##
## ------------------------------ ##

# Hypothesis: the shell we are running, after having checked for
# $LINENO support, supports functions, and the `return' keyword.

AT_SETUP([Functions and return Support])

AT_DATA_M4SH([script.as],
[[AS_INIT
_AS_LINENO_PREPARE

func_success () {
  return 0
}

func_failure () {
  return 1
}

if func_success; then
  if func_failure; then
    AS_ERROR([func_failure passed])
  fi
else
  AS_ERROR([func_success failed])
fi
]])

AT_CHECK_M4SH
AT_CHECK([./script])

AT_CLEANUP


## ------------------------------------ ##
## AS_REQUIRE_SHELL_FN and m4_require.  ##
## ------------------------------------ ##

# Hypothesis: M4sh expands the requirements of AS_REQUIRE_SHELL_FN
# in the main diversion, and not in M4SH-INIT.

AT_SETUP([AS@&t@_REQUIRE_SHELL_FN and m4@&t@_require])

AT_DATA_M4SH([script.as], [[dnl
AS_INIT

m4_defun([in_m4_sh_init], still_in_m4sh_init=yes)
m4_defun([not_in_m4_sh_init], still_in_m4sh_init=no)

m4_defun([error_if_emitted_in_m4sh_init], [
  if test x$still_in_m4sh_init = xyes; then
    AS_ERROR([requirement emitted in M4SH-INIT])
  fi
])

m4_defun([TEST_FUNC_BODY], [
m4_require([error_if_emitted_in_m4sh_init])
: echo in shell function, with parameter = [$]1
])


m4_defun([test_init], [
AS_REQUIRE([in_m4_sh_init])
AS_REQUIRE_SHELL_FN([test_func], [TEST_FUNC_BODY])
AS_REQUIRE([not_in_m4_sh_init])
])

test_init
test_func parameter1
]])

AT_CHECK_M4SH
AT_CHECK([./script])

AT_CLEANUP


## -------------- ##
## AS_HELP_STRING ##
## -------------- ##

# I'm not totally certain that we want to enforce the defaults here,
# but at least it is being tested.

AT_SETUP([[AS@&t@_HELP_STRING]])

AT_DATA_M4SH([script.as],
[[AS_INIT
_AS_LINENO_PREPARE

echo "AS_HELP_STRING([--an-option],[some text])"
echo "AS_HELP_STRING([--another-much-longer-option],
[some other text which should wrap at our default of 80 characters.])"
]])

AT_CHECK_M4SH
AT_CHECK([./script], [0],
[  --an-option             some text
  --another-much-longer-option
                          some other text which should wrap at our default of
                          80 characters.
])

AT_CLEANUP