Add test-i18n.c i18n test program

2 files changed, 107 insertions, 0 deletions

diff --git a/tests/Makefile.am b/tests/Makefile.am
index fd6b6fc04..5eef508a8 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -33,6 +33,14 @@ INSTALL_TESTS_ENVIRONMENT = env \
 AM_CPPFLAGS += -I$(top_srcdir) -I$(top_builddir)  -I$(top_srcdir)/libgphoto2_port
 
 
+# Test i18n
+check_PROGRAMS     += test-i18n
+test_i18n_SOURCES   = test-i18n.c
+test_i18n_CPPFLAGS  = $(AM_CPPFLAGS)
+test_i18n_CFLAGS    = $(AM_CFLAGS)
+test_i18n_LDADD     = $(INTLLIBS)
+
+
 # Test endianness conversions
 TESTS              += test-endian
 check_PROGRAMS     += test-endian
diff --git a/tests/test-i18n.c b/tests/test-i18n.c
new file mode 100644
index 000000000..90b27a0be
--- /dev/null
+++ b/tests/test-i18n.c
@@ -0,0 +1,99 @@
+#include "config.h"
+
+#include <stdio.h>
+
+#include <locale.h>
+
+#include "libgphoto2/i18n.h"
+
+
+static
+const char *const default_locale_list[] = {
+	"C",
+	"",
+	"en_US",
+	"en_US.UTF-8",
+	"en@quot",
+	"en@quot_US",
+	"en@quot_US.UTF-8",
+	"en_US@quot",
+	"en_US.UTF-8@quot",
+	"en_US@quot.UTF-8",
+	"de",
+	"de_DE",
+	"de_DE.UTF-8",
+	"fr",
+	"fr_FR",
+	"fr_FR.UTF-8"
+};
+
+
+static
+const size_t default_locale_list_count =
+	sizeof(default_locale_list) / sizeof(default_locale_list[0]);
+
+
+static
+void indented_print(char *indentation, char *message)
+{
+	if (message[0] == '\0') {
+		printf("%s<no translation>\n", indentation);
+		return;
+	}
+	printf("%s", indentation);
+	for (char *p=message; *p != '\0'; ++p) {
+		if (p[0] == '\n') {
+			putchar(p[0]);
+			if (p[1] != '\0') {
+				printf("%s", indentation);
+			}
+		} else {
+			putchar(p[0]);
+		}
+	}
+}
+
+
+static
+void print_locale_list(const size_t list_count,
+		       const char *const *list)
+{
+	for (size_t i=0; i<list_count; ++i) {
+		char *locale = setlocale(LC_ALL, list[i]);
+		if (locale) {
+			printf("Translated empty string to '%s' (%s):\n",
+			       list[i], locale);
+		        indented_print("    ",
+				       dgettext(GETTEXT_PACKAGE_LIBGPHOTO2,
+						""));
+			setlocale(LC_ALL, "C");
+		} else {
+			printf("Skipping locale: '%s'\n", list[i]);
+		}
+	}
+}
+
+
+int main(const int argc, const char *const *argv)
+{
+	bindtextdomain(GETTEXT_PACKAGE_LIBGPHOTO2, LOCALEDIR);
+
+	if (argc > 1) {
+		const size_t list_counter = (size_t) (argc - 1);
+		const char *const *list   = &(argv[1]);
+		print_locale_list(list_counter, list);
+	} else {
+		print_locale_list(default_locale_list_count,
+				  default_locale_list);
+	}
+
+	return 0;
+}
+
+
+/*
+ * Local variables:
+ * mode:c
+ * c-basic-offset:8
+ * End:
+ */