1 files changed, 323 insertions, 0 deletions
diff --git a/src/tests/test-charsets.c b/src/tests/test-charsets.c
new file mode 100644
index 0000000..656b80c
--- /dev/null
+++ b/src/tests/test-charsets.c
@@ -0,0 +1,323 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details:
+ *
+ * Copyright (C) 2010 Red Hat, Inc.
+ */
+
+#include <glib.h>
+#include <string.h>
+
+#include "mm-modem-helpers.h"
+
+static void
+test_def_chars (void *f, gpointer d)
+{
+    /* Test that a string with all the characters in the GSM 03.38 charset
+     * are converted from UTF-8 to GSM and back to UTF-8 successfully.
+     */
+    static const char *s = "@£$¥èéùìòÇ\nØø\rÅåΔ_ΦΓΛΩΠΨΣΘΞÆæßÉ !\"#¤%&'()*+,-./0123456789:;<=>?¡ABCDEFGHIJKLMNOPQRSTUVWXYZÄÖÑÜ§¿abcdefghijklmnopqrstuvwxyzäöñüà";
+    guint8 *gsm, *utf8;
+    guint32 len = 0;
+
+    /* Convert to GSM */
+    gsm = mm_charset_utf8_to_unpacked_gsm (s, &len);
+    g_assert (gsm);
+    g_assert_cmpint (len, ==, 127);
+
+    /* And back to UTF-8 */
+    utf8 = mm_charset_gsm_unpacked_to_utf8 (gsm, len);
+    g_assert (utf8);
+    g_assert_cmpstr (s, ==, (const char *) utf8);
+
+    g_free (gsm);
+    g_free (utf8);
+}
+
+static void
+test_esc_chars (void *f, gpointer d)
+{
+    /* Test that a string with all the characters in the extended GSM 03.38
+     * charset are converted from UTF-8 to GSM and back to UTF-8 successfully.
+     */
+    static const char *s = "\f^{}\\[~]|€";
+    guint8 *gsm, *utf8;
+    guint32 len = 0;
+
+    /* Convert to GSM */
+    gsm = mm_charset_utf8_to_unpacked_gsm (s, &len);
+    g_assert (gsm);
+    g_assert_cmpint (len, ==, 20);
+
+    /* And back to UTF-8 */
+    utf8 = mm_charset_gsm_unpacked_to_utf8 (gsm, len);
+    g_assert (utf8);
+    g_assert_cmpstr (s, ==, (const char *) utf8);
+
+    g_free (gsm);
+    g_free (utf8);
+}
+
+static void
+test_mixed_chars (void *f, gpointer d)
+{
+    /* Test that a string with a mix of GSM 03.38 default and extended characters
+     * is converted from UTF-8 to GSM and back to UTF-8 successfully.
+     */
+    static const char *s = "@£$¥èéùìø\fΩΠΨΣΘ{ΞÆæß(})789\\:;<=>[?¡QRS]TUÖ|ÑÜ§¿abpqrstuvöñüà€";
+    guint8 *gsm, *utf8;
+    guint32 len = 0;
+
+    /* Convert to GSM */
+    gsm = mm_charset_utf8_to_unpacked_gsm (s, &len);
+    g_assert (gsm);
+    g_assert_cmpint (len, ==, 69);
+
+    /* And back to UTF-8 */
+    utf8 = mm_charset_gsm_unpacked_to_utf8 (gsm, len);
+    g_assert (utf8);
+    g_assert_cmpstr (s, ==, (const char *) utf8);
+
+    g_free (gsm);
+    g_free (utf8);
+}
+
+static void
+test_unpack_gsm7 (void *f, gpointer d)
+{
+    static const guint8 gsm[] = { 0xC8, 0xF7, 0x1D, 0x14, 0x96, 0x97, 0x41, 0xF9, 0x77, 0xFD, 0x07 };
+    static const guint8 expected[] = { 0x48, 0x6f, 0x77, 0x20, 0x61, 0x72, 0x65, 0x20, 0x79, 0x6f, 0x75, 0x3f };
+    guint8 *unpacked;
+    guint32 unpacked_len = 0;
+
+    unpacked = gsm_unpack (gsm, sizeof (gsm), 0, &unpacked_len);
+    g_assert (unpacked);
+    g_assert_cmpint (unpacked_len, ==, sizeof (expected));
+    g_assert_cmpint (memcmp (unpacked, expected, unpacked_len), ==, 0);
+
+    g_free (unpacked);
+}
+
+static void
+test_unpack_gsm7_7_chars (void *f, gpointer d)
+{
+    static const guint8 gsm[] = { 0xF1, 0x7B, 0x59, 0x4E, 0xCF, 0xD7, 0x01 };
+    static const guint8 expected[] = { 0x71, 0x77, 0x65, 0x72, 0x74, 0x79, 0x75, 0x00 };
+    guint8 *unpacked;
+    guint32 unpacked_len = 0;
+
+    /* Tests the edge case where there are 7 bits left in the packed
+     * buffer but those 7 bits do not contain a character.  In this case
+     * we expect a trailing NULL byte and the caller must know enough about
+     * the intended message to remove it when required.
+     */
+
+    unpacked = gsm_unpack (gsm, sizeof (gsm), 0, &unpacked_len);
+    g_assert (unpacked);
+    g_assert_cmpint (unpacked_len, ==, sizeof (expected));
+    g_assert_cmpint (memcmp (unpacked, expected, unpacked_len), ==, 0);
+
+    g_free (unpacked);
+}
+
+static void
+test_unpack_gsm7_all_chars (void *f, gpointer d)
+{
+    /* Packed array of all chars in GSM default and extended charset */
+    static const guint8 gsm[] = {
+        0x80, 0x80, 0x60, 0x40, 0x28, 0x18, 0x0E, 0x88, 0x84, 0x62, 0xC1, 0x68,
+        0x38, 0x1E, 0x90, 0x88, 0x64, 0x42, 0xA9, 0x58, 0x2E, 0x98, 0x8C, 0x66,
+        0xC3, 0xE9, 0x78, 0x3E, 0xA0, 0x90, 0x68, 0x44, 0x2A, 0x99, 0x4E, 0xA8,
+        0x94, 0x6A, 0xC5, 0x6A, 0xB9, 0x5E, 0xB0, 0x98, 0x6C, 0x46, 0xAB, 0xD9,
+        0x6E, 0xB8, 0x9C, 0x6E, 0xC7, 0xEB, 0xF9, 0x7E, 0xC0, 0xA0, 0x70, 0x48,
+        0x2C, 0x1A, 0x8F, 0xC8, 0xA4, 0x72, 0xC9, 0x6C, 0x3A, 0x9F, 0xD0, 0xA8,
+        0x74, 0x4A, 0xAD, 0x5A, 0xAF, 0xD8, 0xAC, 0x76, 0xCB, 0xED, 0x7A, 0xBF,
+        0xE0, 0xB0, 0x78, 0x4C, 0x2E, 0x9B, 0xCF, 0xE8, 0xB4, 0x7A, 0xCD, 0x6E,
+        0xBB, 0xDF, 0xF0, 0xB8, 0x7C, 0x4E, 0xAF, 0xDB, 0xEF, 0xF8, 0xBC, 0x7E,
+        0xCF, 0xEF, 0xFB, 0xFF, 0x1B, 0xC5, 0x86, 0xB2, 0x41, 0x6D, 0x52, 0x9B,
+        0xD7, 0x86, 0xB7, 0xE9, 0x6D, 0x7C, 0x1B, 0xE0, 0xA6, 0x0C
+    };
+    static const guint8 ext[] = {
+        0x1B, 0x0A, 0x1B, 0x14, 0x1B, 0x28, 0x1B, 0x29, 0x1B, 0x2F, 0x1B, 0x3C,
+        0x1B, 0x3D, 0x1B, 0x3E, 0x1B, 0x40, 0x1B, 0x65
+    };
+    guint8 *unpacked;
+    guint32 unpacked_len = 0;
+    int i;
+
+    unpacked = gsm_unpack (gsm, sizeof (gsm), 0, &unpacked_len);
+    g_assert (unpacked);
+    g_assert_cmpint (unpacked_len, ==, 148);
+
+    /* Test default chars */
+    for (i = 0; i < 128; i++)
+        g_assert_cmpint (unpacked[i], ==, i);
+
+    /* Text extended chars */
+    g_assert_cmpint (memcmp ((guint8 *) (unpacked + 128), &ext[0], sizeof (ext)), ==, 0);
+
+    g_free (unpacked);
+}
+
+static void
+test_pack_gsm7 (void *f, gpointer d)
+{
+    static const guint8 unpacked[] = { 0x48, 0x6f, 0x77, 0x20, 0x61, 0x72, 0x65, 0x20, 0x79, 0x6f, 0x75, 0x3f };
+    static const guint8 expected[] = { 0xC8, 0xF7, 0x1D, 0x14, 0x96, 0x97, 0x41, 0xF9, 0x77, 0xFD, 0x07 };
+    guint8 *packed;
+    guint32 packed_len = 0;
+
+    packed = gsm_pack (unpacked, sizeof (unpacked), 0, &packed_len);
+    g_assert (packed);
+    g_assert_cmpint (packed_len, ==, sizeof (expected));
+    g_assert_cmpint (memcmp (packed, expected, packed_len), ==, 0);
+
+    g_free (packed);
+}
+
+static void
+test_pack_gsm7_7_chars (void *f, gpointer d)
+{
+    static const guint8 unpacked[] = { 0x71, 0x77, 0x65, 0x72, 0x74, 0x79, 0x75 };
+    static const guint8 expected[] = { 0xF1, 0x7B, 0x59, 0x4E, 0xCF, 0xD7, 0x01 };
+    guint8 *packed;
+    guint32 packed_len = 0;
+
+    /* Tests the edge case where there are 7 bits left in the packed
+     * buffer but those 7 bits do not contain a character.  In this case
+     * we expect a trailing NULL byte and the caller must know enough about
+     * the intended message to remove it when required.
+     */
+
+    packed = gsm_pack (unpacked, sizeof (unpacked), 0, &packed_len);
+    g_assert (packed);
+    g_assert_cmpint (packed_len, ==, sizeof (expected));
+    g_assert_cmpint (memcmp (packed, expected, packed_len), ==, 0);
+
+    g_free (packed);
+}
+
+#if 0
+static void
+print_array (const guint8 *array, guint32 len)
+{
+    int col;
+    guint8 c;
+
+    g_print ("\n");
+    for (c = 0, col = 0; c < len; c++) {
+        g_print ("0x%02X, ", array[c] & 0xFF);
+        if (col++ == 11) {
+            col = 0;
+            g_print ("\n");
+        }
+    }
+    g_print ("\n");
+}
+#endif
+
+static void
+test_pack_gsm7_all_chars (void *f, gpointer d)
+{
+    /* Packed array of all chars in GSM default and extended charset */
+    static const guint8 expected[] = {
+        0x80, 0x80, 0x60, 0x40, 0x28, 0x18, 0x0E, 0x88, 0x84, 0x62, 0xC1, 0x68,
+        0x38, 0x1E, 0x90, 0x88, 0x64, 0x42, 0xA9, 0x58, 0x2E, 0x98, 0x8C, 0x66,
+        0xC3, 0xE9, 0x78, 0x3E, 0xA0, 0x90, 0x68, 0x44, 0x2A, 0x99, 0x4E, 0xA8,
+        0x94, 0x6A, 0xC5, 0x6A, 0xB9, 0x5E, 0xB0, 0x98, 0x6C, 0x46, 0xAB, 0xD9,
+        0x6E, 0xB8, 0x9C, 0x6E, 0xC7, 0xEB, 0xF9, 0x7E, 0xC0, 0xA0, 0x70, 0x48,
+        0x2C, 0x1A, 0x8F, 0xC8, 0xA4, 0x72, 0xC9, 0x6C, 0x3A, 0x9F, 0xD0, 0xA8,
+        0x74, 0x4A, 0xAD, 0x5A, 0xAF, 0xD8, 0xAC, 0x76, 0xCB, 0xED, 0x7A, 0xBF,
+        0xE0, 0xB0, 0x78, 0x4C, 0x2E, 0x9B, 0xCF, 0xE8, 0xB4, 0x7A, 0xCD, 0x6E,
+        0xBB, 0xDF, 0xF0, 0xB8, 0x7C, 0x4E, 0xAF, 0xDB, 0xEF, 0xF8, 0xBC, 0x7E,
+        0xCF, 0xEF, 0xFB, 0xFF, 0x1B, 0xC5, 0x86, 0xB2, 0x41, 0x6D, 0x52, 0x9B,
+        0xD7, 0x86, 0xB7, 0xE9, 0x6D, 0x7C, 0x1B, 0xE0, 0xA6, 0x0C
+    };
+    static const guint8 ext[] = {
+        0x1B, 0x0A, 0x1B, 0x14, 0x1B, 0x28, 0x1B, 0x29, 0x1B, 0x2F, 0x1B, 0x3C,
+        0x1B, 0x3D, 0x1B, 0x3E, 0x1B, 0x40, 0x1B, 0x65
+    };
+    guint8 *packed, c;
+    guint32 packed_len = 0;
+    GByteArray *unpacked;
+
+    unpacked = g_byte_array_sized_new (148);
+    for (c = 0; c < 128; c++)
+        g_byte_array_append (unpacked, &c, 1);
+    for (c = 0; c < sizeof (ext); c++)
+        g_byte_array_append (unpacked, &ext[c], 1);
+
+    packed = gsm_pack (unpacked->data, unpacked->len, 0, &packed_len);
+    g_assert (packed);
+    g_assert_cmpint (packed_len, ==, sizeof (expected));
+    g_assert_cmpint (memcmp (packed, expected, packed_len), ==, 0);
+
+    g_free (packed);
+    g_byte_array_free (unpacked, TRUE);
+}
+
+static void
+test_pack_gsm7_24_chars (void *f, gpointer d)
+{
+    static const guint8 unpacked[] = {
+        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B,
+        0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17
+    };
+    guint8 *packed;
+    guint32 packed_len = 0;
+
+    /* Tests that no empty trailing byte is added when all the 7-bit characters
+     * are packed into an exact number of bytes.
+     */
+
+    packed = gsm_pack (unpacked, sizeof (unpacked), 0, &packed_len);
+    g_assert (packed);
+    g_assert_cmpint (packed_len, ==, 21);
+
+    g_free (packed);
+}
+
+
+#if GLIB_CHECK_VERSION(2,25,12)
+typedef GTestFixtureFunc TCFunc;
+#else
+typedef void (*TCFunc)(void);
+#endif
+
+#define TESTCASE(t, d) g_test_create_case (#t, 0, d, NULL, (TCFunc) t, NULL)
+
+int main (int argc, char **argv)
+{
+    GTestSuite *suite;
+    gint result;
+
+    g_test_init (&argc, &argv, NULL);
+
+    suite = g_test_get_root ();
+
+    g_test_suite_add (suite, TESTCASE (test_def_chars, NULL));
+    g_test_suite_add (suite, TESTCASE (test_esc_chars, NULL));
+    g_test_suite_add (suite, TESTCASE (test_mixed_chars, NULL));
+
+    g_test_suite_add (suite, TESTCASE (test_unpack_gsm7, NULL));
+    g_test_suite_add (suite, TESTCASE (test_unpack_gsm7_7_chars, NULL));
+    g_test_suite_add (suite, TESTCASE (test_unpack_gsm7_all_chars, NULL));
+
+    g_test_suite_add (suite, TESTCASE (test_pack_gsm7, NULL));
+    g_test_suite_add (suite, TESTCASE (test_pack_gsm7_7_chars, NULL));
+    g_test_suite_add (suite, TESTCASE (test_pack_gsm7_all_chars, NULL));
+    g_test_suite_add (suite, TESTCASE (test_pack_gsm7_24_chars, NULL));
+
+    result = g_test_run ();
+
+    return result;
+}
+