From d09d7bd6346124ad0574084f6dde8dcbfa75750a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Mangano-Tarumi?= <fmang@mg0.fr>
Date: Wed, 19 Dec 2018 20:32:55 -0500
Subject: [PATCH] t: only run opustags.t in UTF-8 environments

---
 t/CMakeLists.txt |  2 +-
 t/opustags.t     | 10 ++++++----
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/t/CMakeLists.txt b/t/CMakeLists.txt
index 2ceef8b..87a3a51 100644
--- a/t/CMakeLists.txt
+++ b/t/CMakeLists.txt
@@ -17,6 +17,6 @@ configure_file(gobble.opus . COPYONLY)
 
 add_custom_target(
 	check
-	COMMAND prove "${CMAKE_CURRENT_SOURCE_DIR}" "${CMAKE_CURRENT_BINARY_DIR}"
+	COMMAND prove "${CMAKE_CURRENT_BINARY_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}"
 	DEPENDS opustags gobble.opus system.t opus.t ogg.t cli.t
 )
diff --git a/t/opustags.t b/t/opustags.t
index ed5c7e5..f0fcb01 100755
--- a/t/opustags.t
+++ b/t/opustags.t
@@ -1,9 +1,5 @@
 #!/usr/bin/env perl
 
-# This test assumes the following system environment:
-#  - The current locale is UTF-8.
-#  - Locale fr_FR.ISO-8859-1 is available.
-
 use strict;
 use warnings;
 use utf8;
@@ -19,6 +15,12 @@ use Symbol 'gensym';
 my $opustags = '../opustags';
 BAIL_OUT("$opustags does not exist or is not executable") if (! -x $opustags);
 
+my $is_utf8;
+open(my $ctype, 'locale -k LC_CTYPE |');
+while (<$ctype>) { $is_utf8 = 1 if (/^charmap="UTF-?8"$/i) }
+close($ctype);
+BAIL_OUT("this test must be run from an UTF-8 environment") unless $is_utf8;
+
 sub opustags {
 	my %opt;
 	%opt = %{pop @_} if ref $_[-1];