X-Git-Url: https://git.draconx.ca/gitweb/dxcommon.git/blobdiff_plain/843799dbec995b276a7d017bb32c053747b55400..HEAD:/tests/functions.at

diff --git a/tests/functions.at b/tests/functions.at
index 507c105..bede78e 100644
--- a/tests/functions.at
+++ b/tests/functions.at
@@ -1,26 +1,8 @@
-dnl Copyright © 2015, 2021 Nick Bowler
-dnl
-dnl License WTFPL2: Do What The Fuck You Want To Public License, version 2.
-dnl This is free software: you are free to do what the fuck you want to.
-dnl There is NO WARRANTY, to the extent permitted by law.
-
-m4_divert_push([PREPARE_TESTS])dnl
-test_run_tap () {
-  "$builddir/t/$1" > "$1.tap"
-  status=$?
-  cat "$1.tap"
-  prove -e cat "$1.tap"
-  return $status
-}
-m4_divert_pop([PREPARE_TESTS])
-
-m4_define([TEST_TAP], [AT_CHECK([test_run_tap "$1"], [0], [ignore])])
-m4_define([TEST_TAP_SIMPLE], [dnl
-AT_SETUP([$1])
-AT_KEYWORDS([$4])dnl
-m4_n([$3])dnl
-TEST_TAP([$2])
-AT_CLEANUP])
+# Copyright © 2015, 2021-2024 Nick Bowler
+#
+# License GPLv3+: GNU General Public License version 3 or any later version.
+# This is free software: you are free to change and redistribute it.
+# There is NO WARRANTY, to the extent permitted by law.
 
 AT_BANNER([Binary packing functions])
 
@@ -32,6 +14,7 @@ TEST_TAP_SIMPLE([64-bit unsigned unpacking], [packtestu64], [], [pack])
 AT_BANNER([Help formatting functions])
 
 AT_SETUP([help_print_desc])
+AT_KEYWORDS([help])
 
 AT_SKIP_IF([test ! -x "$builddir/t/helpdesc"])
 
@@ -50,11 +33,54 @@ sed -e '5,$s/^/     /' -e '6,$s/^/     /' \
 AT_CHECK(["$builddir/t/helpdesc" 0 0 10 5 30 20 40 40 <test.txt],
   [0], [expout])
 
+AT_CHECK([AS_ECHO_N(["no trailing newline"]) |
+  "$builddir/t/helpdesc" 0 0], [0],
+[no trailing newline
+])
+
+AT_CLEANUP
+
+AT_SETUP([help_print_desc (empty description)])
+AT_KEYWORDS([help])
+
+AT_SKIP_IF([test ! -x "$builddir/t/helpdesc"])
+
+AT_CHECK(["$builddir/t/helpdesc" 0 0 0 20 </dev/null], [0], [
+
+])
+AT_CHECK(["$builddir/t/helpdesc" 1 20 </dev/null], [0], [
+])
+
 AT_CLEANUP
 
 AT_SETUP([help_print_optstring])
+AT_KEYWORDS([help])
+
+AT_DATA([expout],
+[[ --foo	6
+ -b, --bar	10
+ --baz=ARG	10
+ -B, --baz=ARG	14
+ --quux[=ARG]	13
+ -q, --quux[=ARG]	17
+ --hello-this-is-a-very-long-option
+	0
+ --hello-this-is-a-very-long-option	35
+ --not-long	11
+ --flagged	10
+]])
 
-AT_SKIP_IF([test ! -x "$builddir/t/helpopt"])
+# Some very old printf implementations return 0 on success instead of the
+# number of bytes written.  The help_print_optstring function is not fully
+# functional in this case.  It should fallback to printing a newline and
+# returning 0 so the overall --help output should be mostly acceptable.
+#
+# We verify that this indeed works properly by adjusting the expected
+# output accordingly, but ...
+AS_IF(["$builddir/t/printfchk" >/dev/null], [ancient_printf=false],
+[[sed -n -e 's/	[0-9]*$//' -e '/^ *-/p' -e 's/^ *-.*/	0/p' expout >expout.tmp
+mv -f expout.tmp expout
+ancient_printf=:]])
 
 AT_CHECK([m4_join([ ],
   ["$builddir/t/helpopt"],
@@ -66,17 +92,87 @@ AT_CHECK([m4_join([ ],
   [--quux -q '@<:@ARG@:>@'],
   [--hello-this-is-a-very-long-option 20],
   [--hello-this-is-a-very-long-option 50],
-  [--not-long 12])], [0],
-[[  --foo	7
-  -b, --bar	11
-  --baz=ARG	11
-  -B, --baz=ARG	15
-  --quux[=ARG]	14
-  -q, --quux[=ARG]	18
-  --hello-this-is-a-very-long-option
+  [--not-long 12],
+  [--flagged -f \&])], [0], [expout])
+
+# ... we ultimately skip the test so there's an indication (other than an
+# outright failure) that the function is not working completely.
+AT_SKIP_IF([$ancient_printf])
+
+AT_CLEANUP
+
+AT_SETUP([help_print_optstring (getopt_long_only)])
+AT_KEYWORDS([help])
+
+AT_DATA([expout],
+[[ -foo	5
+ -bar	5
+ -baz ARG	9
+ -baz ARG	9
+ -quux [ARG]	12
+ -quux [ARG]	12
+ -hello-this-is-a-very-long-option
 	0
-  --hello-this-is-a-very-long-option	36
-  --not-long	12
+ -hello-this-is-a-very-long-option	34
+ -not-long	10
+ -flagged	9
 ]])
 
+# Some very old printf implementations return 0 on success instead of the
+# number of bytes written.  The help_print_optstring function is not fully
+# functional in this case.  It should fallback to printing a newline and
+# returning 0 so the overall --help output should be mostly acceptable.
+#
+# We verify that this indeed works properly by adjusting the expected
+# output accordingly, but ...
+AS_IF(["$builddir/t/printfchk" >/dev/null], [ancient_printf=false],
+[[sed -n -e 's/	[0-9]*$//' -e '/^ *-/p' -e 's/^ *-.*/	0/p' expout >expout.tmp
+mv -f expout.tmp expout
+ancient_printf=:]])
+
+AT_CHECK([m4_join([ ],
+  ["$builddir/t/helpopt2"],
+  [--foo],
+  [--bar -b],
+  [--baz ARG],
+  [--baz -B ARG],
+  [--quux '@<:@ARG@:>@'],
+  [--quux -q '@<:@ARG@:>@'],
+  [--hello-this-is-a-very-long-option 20],
+  [--hello-this-is-a-very-long-option 50],
+  [--not-long 12],
+  [--flagged -f \&])], [0], [expout])
+
+# ... we ultimately skip the test so there's an indication (other than an
+# outright failure) that the function is not working completely.
+AT_SKIP_IF([$ancient_printf])
+
 AT_CLEANUP
+
+AT_SETUP([help_print_optstring (NLS fullwidth/halfwidth)])
+AT_KEYWORDS([help nls])
+
+AT_SKIP_IF([test ! -x "$builddir/t/helpopt3"])
+TEST_UTF8_LOCALE([locale_utf8])
+
+# Avoid some deficient shell parsers barfing on UTF-8 sequences by
+# generating them this way using octal escapes.
+$AWK 'BEGIN {
+  zenkaku = "--\345\205\250\350\247\222";
+  hankaku = "--\357\276\212\357\276\235\357\275\266\357\275\270"
+
+  print zenkaku, hankaku >"args"
+
+  print " " zenkaku "\t" "7"
+  print " " hankaku "\t" "7"
+}' >expout </dev/null
+
+AT_CHECK([LC_ALL=$locale_utf8 xargs "$builddir/t/helpopt3" <args],
+  [0], [expout])
+
+AT_CLEANUP
+
+AT_BANNER([Miscellaneous functions])
+
+TEST_TAP_SIMPLE([copyright_symbol], [copysym], [], [])
+TEST_TAP_SIMPLE([do_getline], [getline], [], [getline])