/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; coding: utf-8 -*- */
/* test-buffer-output-stream.c
* This file is part of GtkSourceView
*
* Copyright (C) 2010 - Ignacio Casal Quinteiro
* Copyright (C) 2014 - Sébastien Wilmet
*
* GtkSourceView is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* GtkSourceView 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <glib.h>
#include <glib/gprintf.h>
#include <gtk/gtk.h>
#include <string.h>
#include <gtksourceview/gtksource.h>
#include "gtksourceview/gtksourcebufferoutputstream.h"
static void
test_consecutive_write (const gchar *inbuf,
const gchar *outbuf,
gsize write_chunk_len,
GtkSourceNewlineType newline_type)
{
GtkSourceBuffer *source_buffer;
GtkSourceBufferOutputStream *out;
gsize len;
gssize n, w;
GError *err = NULL;
gchar *b;
GtkSourceNewlineType type;
GSList *encodings = NULL;
source_buffer = gtk_source_buffer_new (NULL);
encodings = g_slist_prepend (encodings, (gpointer)gtk_source_encoding_get_utf8 ());
out = gtk_source_buffer_output_stream_new (source_buffer, encodings, TRUE);
n = 0;
do
{
len = MIN (write_chunk_len, strlen (inbuf + n));
w = g_output_stream_write (G_OUTPUT_STREAM (out), inbuf + n, len, NULL, &err);
g_assert_cmpint (w, >=, 0);
g_assert_no_error (err);
n += w;
} while (w != 0);
g_output_stream_flush (G_OUTPUT_STREAM (out), NULL, &err);
g_assert_no_error (err);
type = gtk_source_buffer_output_stream_detect_newline_type (out);
g_assert (type == newline_type);
g_output_stream_close (G_OUTPUT_STREAM (out), NULL, &err);
g_assert_no_error (err);
g_object_get (G_OBJECT (source_buffer), "text", &b, NULL);
g_assert_cmpstr (outbuf, ==, b);
g_free (b);
g_assert (gtk_text_buffer_get_modified (GTK_TEXT_BUFFER (source_buffer)) == FALSE);
g_object_unref (source_buffer);
g_object_unref (out);
}
static void
test_empty (void)
{
test_consecutive_write ("", "", 10, GTK_SOURCE_NEWLINE_TYPE_DEFAULT);
test_consecutive_write ("\r\n", "", 10, GTK_SOURCE_NEWLINE_TYPE_CR_LF);
test_consecutive_write ("\r", "", 10, GTK_SOURCE_NEWLINE_TYPE_CR);
test_consecutive_write ("\n", "", 10, GTK_SOURCE_NEWLINE_TYPE_LF);
}
static void
test_consecutive (void)
{
test_consecutive_write ("hello\nhow\nare\nyou", "hello\nhow\nare\nyou", 2,
GTK_SOURCE_NEWLINE_TYPE_LF);
test_consecutive_write ("hello\rhow\rare\ryou", "hello\rhow\rare\ryou", 2,
GTK_SOURCE_NEWLINE_TYPE_CR);
test_consecutive_write ("hello\r\nhow\r\nare\r\nyou", "hello\r\nhow\r\nare\r\nyou", 2,
GTK_SOURCE_NEWLINE_TYPE_CR_LF);
}
static void
test_consecutive_tnewline (void)
{
test_consecutive_write ("hello\nhow\nare\nyou\n", "hello\nhow\nare\nyou", 2,
GTK_SOURCE_NEWLINE_TYPE_LF);
test_consecutive_write ("hello\rhow\rare\ryou\r", "hello\rhow\rare\ryou", 2,
GTK_SOURCE_NEWLINE_TYPE_CR);
test_consecutive_write ("hello\r\nhow\r\nare\r\nyou\r\n", "hello\r\nhow\r\nare\r\nyou", 2,
GTK_SOURCE_NEWLINE_TYPE_CR_LF);
}
static void
test_big_char (void)
{
test_consecutive_write ("\343\203\200\343\203\200", "\343\203\200\343\203\200", 2,
GTK_SOURCE_NEWLINE_TYPE_LF);
}
static void
test_boundary (void)
{
GtkSourceBuffer *source_buffer;
GtkSourceBufferOutputStream *out;
gint line_count;
GError *err = NULL;
GSList *encodings = NULL;
source_buffer = gtk_source_buffer_new (NULL);
encodings = g_slist_prepend (encodings, (gpointer)gtk_source_encoding_get_utf8 ());
out = gtk_source_buffer_output_stream_new (source_buffer, encodings, TRUE);
g_output_stream_write (G_OUTPUT_STREAM (out), "\r", 1, NULL, NULL);
g_output_stream_write (G_OUTPUT_STREAM (out), "\n", 1, NULL, NULL);
g_output_stream_flush (G_OUTPUT_STREAM (out), NULL, &err);
g_assert_no_error (err);
line_count = gtk_text_buffer_get_line_count (GTK_TEXT_BUFFER (source_buffer));
g_assert_cmpint (line_count, ==, 2);
g_output_stream_close (G_OUTPUT_STREAM (out), NULL, &err);
g_assert_no_error (err);
g_object_unref (source_buffer);
g_object_unref (out);
}
#if 0
static void
test_invalid_utf8 (void)
{
test_consecutive_write ("foobar\n\xef\xbf\xbe", "foobar\n\\EF\\BF\\BE", 10,
GTK_SOURCE_NEWLINE_TYPE_LF);
test_consecutive_write ("foobar\n\xef\xbf\xbezzzzzz\n", "foobar\n\\EF\\BF\\BEzzzzzz", 10,
GTK_SOURCE_NEWLINE_TYPE_LF);
test_consecutive_write ("\xef\xbf\xbezzzzzz\n", "\\EF\\BF\\BEzzzzzz", 10,
GTK_SOURCE_NEWLINE_TYPE_LF);
}
#endif
/* SMART CONVERSION */
#define TEXT_TO_CONVERT "this is some text to make the tests"
#define TEXT_TO_GUESS "hello \xe6\x96\x87 world"
static gchar *
get_encoded_text (const gchar *text,
gint nread,
const GtkSourceEncoding *to,
const GtkSourceEncoding *from,
gsize *bytes_written_aux,
gboolean care_about_error)
{
GCharsetConverter *converter;
gchar *out, *out_aux;
gsize bytes_read, bytes_read_aux;
gsize bytes_written;
GConverterResult res;
GError *err;
converter = g_charset_converter_new (gtk_source_encoding_get_charset (to),
gtk_source_encoding_get_charset (from),
NULL);
out = g_malloc (200);
out_aux = g_malloc (200);
err = NULL;
bytes_read_aux = 0;
*bytes_written_aux = 0;
if (nread == -1)
{
nread = strlen (text);
}
do
{
res = g_converter_convert (G_CONVERTER (converter),
text + bytes_read_aux,
nread,
out_aux,
200,
G_CONVERTER_INPUT_AT_END,
&bytes_read,
&bytes_written,
&err);
memcpy (out + *bytes_written_aux, out_aux, bytes_written);
bytes_read_aux += bytes_read;
*bytes_written_aux += bytes_written;
nread -= bytes_read;
} while (res != G_CONVERTER_FINISHED && res != G_CONVERTER_ERROR);
if (care_about_error)
{
g_assert_no_error (err);
}
else if (err)
{
g_printf ("** You don't care, but there was an error: %s", err->message);
return NULL;
}
out[*bytes_written_aux] = '\0';
if (!g_utf8_validate (out, *bytes_written_aux, NULL) && !care_about_error)
{
if (!care_about_error)
{
return NULL;
}
else
{
g_assert_not_reached ();
}
}
return out;
}
static gchar *
do_test (const gchar *inbuf,
const gchar *enc,
GSList *encodings,
gsize len,
gsize write_chunk_len,
const GtkSourceEncoding **guessed)
{
GtkSourceBuffer *source_buffer;
GtkSourceBufferOutputStream *out;
GError *err = NULL;
GtkTextIter start, end;
gchar *text;
gsize to_write;
gssize n, w;
if (enc != NULL)
{
encodings = NULL;
encodings = g_slist_prepend (encodings, (gpointer)gtk_source_encoding_get_from_charset (enc));
}
source_buffer = gtk_source_buffer_new (NULL);
out = gtk_source_buffer_output_stream_new (source_buffer, encodings, TRUE);
n = 0;
do
{
to_write = MIN (len, write_chunk_len);
w = g_output_stream_write (G_OUTPUT_STREAM (out), inbuf + n, to_write, NULL, &err);
g_assert_cmpint (w, >=, 0);
g_assert_no_error (err);
len -= w;
n += w;
} while (len != 0);
g_output_stream_flush (G_OUTPUT_STREAM (out), NULL, &err);
g_assert_no_error (err);
g_output_stream_close (G_OUTPUT_STREAM (out), NULL, &err);
g_assert_no_error (err);
if (guessed != NULL)
{
*guessed = gtk_source_buffer_output_stream_get_guessed (out);
}
gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (source_buffer), &start, &end);
text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (source_buffer),
&start,
&end,
FALSE);
g_object_unref (source_buffer);
g_object_unref (out);
return text;
}
static void
test_utf8_utf8 (void)
{
gchar *aux;
aux = do_test (TEXT_TO_CONVERT, "UTF-8", NULL, strlen (TEXT_TO_CONVERT), strlen (TEXT_TO_CONVERT), NULL);
g_assert_cmpstr (aux, ==, TEXT_TO_CONVERT);
g_free (aux);
aux = do_test ("foobar\xc3\xa8\xc3\xa8\xc3\xa8zzzzzz", "UTF-8", NULL, 18, 18, NULL);
g_assert_cmpstr (aux, ==, "foobar\xc3\xa8\xc3\xa8\xc3\xa8zzzzzz");
g_free (aux);
/* small chunk */
aux = do_test ("foobar\xc3\xa8\xc3\xa8\xc3\xa8zzzzzz", "UTF-8", NULL, 18, 2, NULL);
g_assert_cmpstr (aux, ==, "foobar\xc3\xa8\xc3\xa8\xc3\xa8zzzzzz");
g_free (aux);
}
static void
test_empty_conversion (void)
{
const GtkSourceEncoding *guessed;
gchar *out;
GSList *encodings = NULL;
/* testing the case of an empty file and list of encodings with no
utf-8. In this case, the smart converter cannot determine the right
encoding (because there is no input), but should still default to
utf-8 for the detection */
encodings = g_slist_prepend (encodings, (gpointer)gtk_source_encoding_get_from_charset ("UTF-16"));
encodings = g_slist_prepend (encodings, (gpointer)gtk_source_encoding_get_from_charset ("ISO-8859-15"));
out = do_test ("", NULL, encodings, 0, 0, &guessed);
g_assert_cmpstr (out, ==, "");
g_free (out);
g_assert (guessed == gtk_source_encoding_get_utf8 ());
}
static void
test_guessed (void)
{
GSList *encs = NULL;
gchar *aux, *aux2, *fail;
gsize aux_len, fail_len;
const GtkSourceEncoding *guessed;
aux = get_encoded_text (TEXT_TO_GUESS, -1,
gtk_source_encoding_get_from_charset ("UTF-16"),
gtk_source_encoding_get_from_charset ("UTF-8"),
&aux_len,
TRUE);
fail = get_encoded_text (aux, aux_len,
gtk_source_encoding_get_from_charset ("UTF-8"),
gtk_source_encoding_get_from_charset ("ISO-8859-15"),
&fail_len,
FALSE);
g_assert (fail == NULL);
/* ISO-8859-15 should fail */
encs = g_slist_append (encs, (gpointer)gtk_source_encoding_get_from_charset ("ISO-8859-15"));
encs = g_slist_append (encs, (gpointer)gtk_source_encoding_get_from_charset ("UTF-16"));
aux2 = do_test (aux, NULL, encs, aux_len, aux_len, &guessed);
g_free (aux);
g_free (aux2);
g_assert (guessed == gtk_source_encoding_get_from_charset ("UTF-16"));
}
static void
test_utf16_utf8 (void)
{
gchar *text, *aux;
gsize aux_len;
text = get_encoded_text ("\xe2\xb4\xb2", -1,
gtk_source_encoding_get_from_charset ("UTF-16"),
gtk_source_encoding_get_from_charset ("UTF-8"),
&aux_len,
TRUE);
aux = do_test (text, "UTF-16", NULL, aux_len, aux_len, NULL);
g_assert_cmpstr (aux, ==, "\xe2\xb4\xb2");
g_free (aux);
aux = do_test (text, "UTF-16", NULL, aux_len, 1, NULL);
g_assert_cmpstr (aux, ==, "\xe2\xb4\xb2");
g_free (aux);
}
gint
main (gint argc,
gchar *argv[])
{
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/buffer-output-stream/empty", test_empty);
g_test_add_func ("/buffer-output-stream/consecutive", test_consecutive);
g_test_add_func ("/buffer-output-stream/consecutive_tnewline", test_consecutive_tnewline);
g_test_add_func ("/buffer-output-stream/big-char", test_big_char);
g_test_add_func ("/buffer-output-stream/test-boundary", test_boundary);
/* This broke after https://bugzilla.gnome.org/show_bug.cgi?id=694669 We
* need to revisit the test to pick something that is actually invalid
* utf8.
*/
#if 0
g_test_add_func ("/buffer-output-stream/test-invalid-utf8", test_invalid_utf8);
#endif
g_test_add_func ("/buffer-output-stream/smart conversion: utf8-utf8", test_utf8_utf8);
g_test_add_func ("/buffer-output-stream/smart conversion: empty", test_empty_conversion);
g_test_add_func ("/buffer-output-stream/smart conversion: guessed", test_guessed);
g_test_add_func ("/buffer-output-stream/smart conversion: utf16-utf8", test_utf16_utf8);
return g_test_run ();
}