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From 3d08c7971a80370f60dd14b068779851e0f82c24 Mon Sep 17 00:00:00 2001
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From: Lennart Poettering <lennart@poettering.net>
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Date: Thu, 30 Apr 2020 18:32:55 +0200
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Subject: [PATCH] test: add test case for locale_is_installed()
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(cherry picked from commit b45b0a69bb7ef3e6e66d443eae366b6d1c387cab)
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Related: #1755287
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---
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 src/test/test-locale-util.c | 23 +++++++++++++++++++++++
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 1 file changed, 23 insertions(+)
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diff --git a/src/test/test-locale-util.c b/src/test/test-locale-util.c
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index 0c3f6a62ed..0d50c33ce5 100644
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--- a/src/test/test-locale-util.c
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+++ b/src/test/test-locale-util.c
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@@ -34,6 +34,28 @@ static void test_locale_is_valid(void) {
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         assert_se(!locale_is_valid("\x01gar\x02 bage\x03"));
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 }
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+static void test_locale_is_installed(void) {
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+        log_info("/* %s */", __func__);
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+
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+        /* Always available */
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+        assert_se(locale_is_installed("POSIX") > 0);
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+        assert_se(locale_is_installed("C") > 0);
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+
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+        /* Might, or might not be installed. */
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+        assert_se(locale_is_installed("en_EN.utf8") >= 0);
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+        assert_se(locale_is_installed("fr_FR.utf8") >= 0);
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+        assert_se(locale_is_installed("fr_FR@euro") >= 0);
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+        assert_se(locale_is_installed("fi_FI") >= 0);
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+
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+        /* Definitely not valid */
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+        assert_se(locale_is_installed("") == 0);
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+        assert_se(locale_is_installed("/usr/bin/foo") == 0);
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+        assert_se(locale_is_installed("\x01gar\x02 bage\x03") == 0);
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+
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+        /* Definitely not installed */
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+        assert_se(locale_is_installed("zz_ZZ") == 0);
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+}
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+
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 static void test_keymaps(void) {
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         _cleanup_strv_free_ char **kmaps = NULL;
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         char **p;
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@@ -95,6 +117,7 @@ static void dump_special_glyphs(void) {
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 int main(int argc, char *argv[]) {
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         test_get_locales();
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         test_locale_is_valid();
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+        test_locale_is_installed();
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         test_keymaps();
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         dump_special_glyphs();