[gmime] Added unit tests for the quoted-rpintable encoder/decoder

[Rico Tzschichholz <ricotz src gnome org>]

commit 845ea39e327ed407d5512fe992e37d6139059c38
Author: Jeffrey Stedfast <jestedfa microsoft com>
Date:   Sun Nov 25 19:27:21 2018 -0500

    Added unit tests for the quoted-rpintable encoder/decoder

 tests/data/encodings/wikipedia.qp  |  6 +++
 tests/data/encodings/wikipedia.txt |  1 +
 tests/test-encodings.c             | 75 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 82 insertions(+)
---
diff --git a/tests/data/encodings/wikipedia.qp b/tests/data/encodings/wikipedia.qp
new file mode 100644
index 00000000..847a3959
--- /dev/null
+++ b/tests/data/encodings/wikipedia.qp
@@ -0,0 +1,6 @@
+J'interdis aux marchands de vanter trop leur marchandises. Car ils se font =
+vite p=C3=A9dagogues et t'enseignent comme but ce qui n'est par essence qu'=
+un moyen, et te trompant ainsi sur la route =C3=A0 suivre les voil=C3=A0 bi=
+ent=C3=B4t qui te d=C3=A9gradent, car si leur musique est vulgaire ils te f=
+abriquent pour te la vendre une =C3=A2me vulgaire.
+=
diff --git a/tests/data/encodings/wikipedia.txt b/tests/data/encodings/wikipedia.txt
new file mode 100644
index 00000000..c99f0a97
--- /dev/null
+++ b/tests/data/encodings/wikipedia.txt
@@ -0,0 +1 @@
+J'interdis aux marchands de vanter trop leur marchandises. Car ils se font vite pédagogues et t'enseignent 
comme but ce qui n'est par essence qu'un moyen, et te trompant ainsi sur la route à suivre les voilà bientôt 
qui te dégradent, car si leur musique est vulgaire ils te fabriquent pour te la vendre une âme vulgaire.
diff --git a/tests/test-encodings.c b/tests/test-encodings.c
index 1aa2c0b5..c2f06c39 100644
--- a/tests/test-encodings.c
+++ b/tests/test-encodings.c
@@ -82,6 +82,43 @@ static const char *base64_encoded_long_patterns[] = {
        "fo6err7O3u7/Dx8vP09fb3+Pn6+/z9/v8AAQ=="
 };
 
+static struct _mapping {
+       const char *name;
+       const char *text;
+       GMimeContentEncoding encoding;
+} mappings[] = {
+       { "\"7bit\"", "7bit", GMIME_CONTENT_ENCODING_7BIT },
+       { "\"7-bit\"", "7-bit", GMIME_CONTENT_ENCODING_7BIT },
+       { "\"8bit\"", "8bit", GMIME_CONTENT_ENCODING_8BIT },
+       { "\"8-bit\"", "8-bit", GMIME_CONTENT_ENCODING_8BIT },
+       { "\"binary\"", "binary", GMIME_CONTENT_ENCODING_BINARY },
+       { "\"base64\"", "base64", GMIME_CONTENT_ENCODING_BASE64 },
+       { "\"quoted-printable\"", "quoted-printable", GMIME_CONTENT_ENCODING_QUOTEDPRINTABLE },
+       { "\"uuencode\"", "uuencode", GMIME_CONTENT_ENCODING_UUENCODE },
+       { "\"x-uuencode\"", "x-uuencode", GMIME_CONTENT_ENCODING_UUENCODE },
+       { "\"x-uue\"", "x-uue", GMIME_CONTENT_ENCODING_UUENCODE },
+       { "\"garbage\"", "garbage", GMIME_CONTENT_ENCODING_DEFAULT },
+       { "\" 7bit \"", " 7bit ", GMIME_CONTENT_ENCODING_7BIT }
+};
+
+static void
+test_content_encoding_mappings (void)
+{
+       GMimeContentEncoding encoding;
+       guint i;
+       
+       for (i = 0; i < G_N_ELEMENTS (mappings); i++) {
+               testsuite_check ("%s", mappings[i].name);
+               encoding = g_mime_content_encoding_from_string (mappings[i].text);
+               if (encoding != mappings[i].encoding)
+                       testsuite_check_failed ("failed: expected: %s; was: %s",
+                                               g_mime_content_encoding_to_string (mappings[i].encoding),
+                                               g_mime_content_encoding_to_string (encoding));
+               else
+                       testsuite_check_passed ();
+       }
+}
+
 static void
 test_base64_decode_patterns (void)
 {
@@ -229,6 +266,10 @@ test_encoder (GMimeContentEncoding encoding, GByteArray *photo, GByteArray *expe
        
        testsuite_check_passed ();
        
+       g_byte_array_free (actual, TRUE);
+       
+       return;
+       
 error:
        path = g_strdup_printf ("%s.encode.%zu.txt", name, size);
        ostream = g_mime_stream_fs_open (path, O_CREAT | O_TRUNC | O_RDWR, 0644, NULL);
@@ -295,6 +336,10 @@ test_decoder (GMimeContentEncoding encoding, GByteArray *encoded, GByteArray *ex
        
        testsuite_check_passed ();
        
+       g_byte_array_free (actual, TRUE);
+       
+       return;
+       
 error:
        path = g_strdup_printf ("%s.decode.%zu.txt", name, size);
        ostream = g_mime_stream_fs_open (path, O_CREAT | O_TRUNC | O_RDWR, 0644, NULL);
@@ -309,6 +354,7 @@ int main (int argc, char **argv)
 {
        const char *datadir = "data/encodings";
        GByteArray *photo, *b64, *uu;
+       GByteArray *wikipedia, *qp;
        struct stat st;
        char *path;
        int i;
@@ -339,6 +385,18 @@ int main (int argc, char **argv)
        uu = read_all_bytes (path, TRUE);
        g_free (path);
        
+       path = g_build_filename (datadir, "wikipedia.txt", NULL);
+       wikipedia = read_all_bytes (path, TRUE);
+       g_free (path);
+       
+       path = g_build_filename (datadir, "wikipedia.qp", NULL);
+       qp = read_all_bytes (path, TRUE);
+       g_free (path);
+       
+       testsuite_start ("Content-Transfer-Encoding");
+       test_content_encoding_mappings ();
+       testsuite_end ();
+       
        testsuite_start ("base64");
        test_base64_decode_patterns ();
        test_encoder (GMIME_CONTENT_ENCODING_BASE64, photo, b64, 4096);
@@ -362,6 +420,23 @@ int main (int argc, char **argv)
        test_decoder (GMIME_CONTENT_ENCODING_UUENCODE, uu, photo, 1);
        testsuite_end ();
        
+       testsuite_start ("quoted-printable");
+       test_encoder (GMIME_CONTENT_ENCODING_QUOTEDPRINTABLE, wikipedia, qp, 4096);
+       test_encoder (GMIME_CONTENT_ENCODING_QUOTEDPRINTABLE, wikipedia, qp, 1024);
+       test_encoder (GMIME_CONTENT_ENCODING_QUOTEDPRINTABLE, wikipedia, qp, 16);
+       test_encoder (GMIME_CONTENT_ENCODING_QUOTEDPRINTABLE, wikipedia, qp, 1);
+       test_decoder (GMIME_CONTENT_ENCODING_QUOTEDPRINTABLE, qp, wikipedia, 4096);
+       test_decoder (GMIME_CONTENT_ENCODING_QUOTEDPRINTABLE, qp, wikipedia, 1024);
+       test_decoder (GMIME_CONTENT_ENCODING_QUOTEDPRINTABLE, qp, wikipedia, 16);
+       test_decoder (GMIME_CONTENT_ENCODING_QUOTEDPRINTABLE, qp, wikipedia, 1);
+       testsuite_end ();
+       
+       g_byte_array_free (wikipedia, TRUE);
+       g_byte_array_free (photo, TRUE);
+       g_byte_array_free (b64, TRUE);
+       g_byte_array_free (uu, TRUE);
+       g_byte_array_free (qp, TRUE);
+       
        g_mime_shutdown ();
        
        return testsuite_exit ();