test-unichar: Add test for surrogate handling

diff --git a/src/lib/test-unichar.c b/src/lib/test-unichar.c
index d16040ebbb198e5397d213d3b2790c39457a1738..71cef28c8b6553dab4a633956b0420bc9e19e870 100644 (file)
--- a/src/lib/test-unichar.c
+++ b/src/lib/test-unichar.c
@@ -107,6 +107,20 @@ static void test_unichar_valid_unicode(void)
        test_end();
 }
 
+static void test_unichar_surrogates(void)
+{
+       unichar_t orig, high, low;
+       test_begin("unichar surrogates");
+
+       orig = 0x10437;
+       uni_split_surrogate(orig, &high, &low);
+       test_assert(high == 0xD801);
+       test_assert(low == 0xDC37);
+       test_assert(uni_join_surrogate(high, low) == orig);
+
+       test_end();
+}
+
 void test_unichar(void)
 {
        static const char overlong_utf8[] = "\xf8\x80\x95\x81\xa1";
@@ -167,4 +181,5 @@ void test_unichar(void)
        test_unichar_uni_utf8_strlen();
        test_unichar_uni_utf8_partial_strlen_n();
        test_unichar_valid_unicode();
+       test_unichar_surrogates();
 }