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glib/gio/tests/converter-stream.c
Dan Winship 9f2e3f6b72 gtestutils: add g_assert_cmpmem() 
Add a test macro to compare two buffers (which are not already known
to be the same length) for equality.

https://bugzilla.gnome.org/show_bug.cgi?id=754283
2015-08-31 13:59:48 -04:00

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/* GLib testing framework examples and tests
* Copyright (C) 2009 Red Hat, Inc.
* Authors: Alexander Larsson <alexl@redhat.com>
*
* This work is provided "as is"; redistribution and modification
* in whole or in part, in any medium, physical or electronic is
* permitted without restriction.
*
* This work 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.
*
* In no event shall the authors or contributors be liable for any
* direct, indirect, incidental, special, exemplary, or consequential
* damages (including, but not limited to, procurement of substitute
* goods or services; loss of use, data, or profits; or business
* interruption) however caused and on any theory of liability, whether
* in contract, strict liability, or tort (including negligence or
* otherwise) arising in any way out of the use of this software, even
* if advised of the possibility of such damage.
*/
#include <glib/glib.h>
#include <gio/gio.h>
#include <stdlib.h>
#include <string.h>
#define G_TYPE_EXPANDER_CONVERTER (g_expander_converter_get_type ())
#define G_EXPANDER_CONVERTER(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_EXPANDER_CONVERTER, GExpanderConverter))
#define G_EXPANDER_CONVERTER_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), G_TYPE_EXPANDER_CONVERTER, GExpanderConverterClass))
#define G_IS_EXPANDER_CONVERTER(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_EXPANDER_CONVERTER))
#define G_IS_EXPANDER_CONVERTER_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), G_TYPE_EXPANDER_CONVERTER))
#define G_EXPANDER_CONVERTER_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), G_TYPE_EXPANDER_CONVERTER, GExpanderConverterClass))
typedef struct _GExpanderConverter GExpanderConverter;
typedef struct _GExpanderConverterClass GExpanderConverterClass;
struct _GExpanderConverterClass
{
GObjectClass parent_class;
};
GType g_expander_converter_get_type (void) G_GNUC_CONST;
GConverter *g_expander_converter_new (void);
static void g_expander_converter_iface_init (GConverterIface *iface);
struct _GExpanderConverter
{
GObject parent_instance;
};
G_DEFINE_TYPE_WITH_CODE (GExpanderConverter, g_expander_converter, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (G_TYPE_CONVERTER,
g_expander_converter_iface_init))
static void
g_expander_converter_class_init (GExpanderConverterClass *klass)
{
}
static void
g_expander_converter_init (GExpanderConverter *local)
{
}
GConverter *
g_expander_converter_new (void)
{
GConverter *conv;
conv = g_object_new (G_TYPE_EXPANDER_CONVERTER, NULL);
return conv;
}
static void
g_expander_converter_reset (GConverter *converter)
{
}
static GConverterResult
g_expander_converter_convert (GConverter *converter,
const void *inbuf,
gsize inbuf_size,
void *outbuf,
gsize outbuf_size,
GConverterFlags flags,
gsize *bytes_read,
gsize *bytes_written,
GError **error)
{
const guint8 *in, *in_end;
guint8 v, *out;
int i;
gsize block_size;
in = inbuf;
out = outbuf;
in_end = in + inbuf_size;
while (in < in_end)
{
v = *in;
if (v == 0)
block_size = 10;
else
block_size = v * 1000;
if (outbuf_size < block_size)
{
if (*bytes_read > 0)
return G_CONVERTER_CONVERTED;
g_set_error_literal (error, G_IO_ERROR,
G_IO_ERROR_NO_SPACE,
"No space in dest");
return G_CONVERTER_ERROR;
}
in++;
*bytes_read += 1;
*bytes_written += block_size;
outbuf_size -= block_size;
for (i = 0; i < block_size; i++)
*out++ = v;
}
if (in == in_end && (flags & G_CONVERTER_INPUT_AT_END))
return G_CONVERTER_FINISHED;
return G_CONVERTER_CONVERTED;
}
static void
g_expander_converter_iface_init (GConverterIface *iface)
{
iface->convert = g_expander_converter_convert;
iface->reset = g_expander_converter_reset;
}
#define G_TYPE_COMPRESSOR_CONVERTER (g_compressor_converter_get_type ())
#define G_COMPRESSOR_CONVERTER(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_COMPRESSOR_CONVERTER, GCompressorConverter))
#define G_COMPRESSOR_CONVERTER_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), G_TYPE_COMPRESSOR_CONVERTER, GCompressorConverterClass))
#define G_IS_COMPRESSOR_CONVERTER(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_COMPRESSOR_CONVERTER))
#define G_IS_COMPRESSOR_CONVERTER_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), G_TYPE_COMPRESSOR_CONVERTER))
#define G_COMPRESSOR_CONVERTER_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), G_TYPE_COMPRESSOR_CONVERTER, GCompressorConverterClass))
typedef struct _GCompressorConverter GCompressorConverter;
typedef struct _GCompressorConverterClass GCompressorConverterClass;
struct _GCompressorConverterClass
{
GObjectClass parent_class;
};
GType g_compressor_converter_get_type (void) G_GNUC_CONST;
GConverter *g_compressor_converter_new (void);
static void g_compressor_converter_iface_init (GConverterIface *iface);
struct _GCompressorConverter
{
GObject parent_instance;
};
G_DEFINE_TYPE_WITH_CODE (GCompressorConverter, g_compressor_converter, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (G_TYPE_CONVERTER,
g_compressor_converter_iface_init))
static void
g_compressor_converter_class_init (GCompressorConverterClass *klass)
{
}
static void
g_compressor_converter_init (GCompressorConverter *local)
{
}
GConverter *
g_compressor_converter_new (void)
{
GConverter *conv;
conv = g_object_new (G_TYPE_COMPRESSOR_CONVERTER, NULL);
return conv;
}
static void
g_compressor_converter_reset (GConverter *converter)
{
}
static GConverterResult
g_compressor_converter_convert (GConverter *converter,
const void *inbuf,
gsize inbuf_size,
void *outbuf,
gsize outbuf_size,
GConverterFlags flags,
gsize *bytes_read,
gsize *bytes_written,
GError **error)
{
const guint8 *in, *in_end;
guint8 v, *out;
int i;
gsize block_size;
in = inbuf;
out = outbuf;
in_end = in + inbuf_size;
while (in < in_end)
{
v = *in;
if (v == 0)
{
block_size = 0;
while (in+block_size < in_end && *(in+block_size) == 0)
block_size ++;
}
else
block_size = v * 1000;
/* Not enough data */
if (in_end - in < block_size)
{
if (*bytes_read > 0)
break;
g_set_error_literal (error, G_IO_ERROR,
G_IO_ERROR_PARTIAL_INPUT,
"Need more data");
return G_CONVERTER_ERROR;
}
for (i = 0; i < block_size; i++)
{
if (*(in + i) != v)
{
if (*bytes_read > 0)
break;
g_set_error_literal (error, G_IO_ERROR,
G_IO_ERROR_INVALID_DATA,
"invalid data");
return G_CONVERTER_ERROR;
}
}
if (v == 0 && in_end - in == block_size && (flags & G_CONVERTER_INPUT_AT_END) == 0)
{
if (*bytes_read > 0)
break;
g_set_error_literal (error, G_IO_ERROR,
G_IO_ERROR_PARTIAL_INPUT,
"Need more data");
return G_CONVERTER_ERROR;
}
in += block_size;
*out++ = v;
*bytes_read += block_size;
*bytes_written += 1;
}
if (in == in_end && (flags & G_CONVERTER_INPUT_AT_END))
return G_CONVERTER_FINISHED;
return G_CONVERTER_CONVERTED;
}
static void
g_compressor_converter_iface_init (GConverterIface *iface)
{
iface->convert = g_compressor_converter_convert;
iface->reset = g_compressor_converter_reset;
}
guint8 unexpanded_data[] = { 0,1,3,4,5,6,7,3,12,0,0};
static void
test_expander (void)
{
guint8 *converted1, *converted2, *ptr;
gsize n_read, n_written;
gsize total_read;
gssize res;
GConverterResult cres;
GInputStream *mem, *cstream;
GOutputStream *mem_out, *cstream_out;
GConverter *expander;
GConverter *converter;
GError *error;
int i;
expander = g_expander_converter_new ();
converted1 = g_malloc (100*1000); /* Large enough */
converted2 = g_malloc (100*1000); /* Large enough */
cres = g_converter_convert (expander,
unexpanded_data, sizeof(unexpanded_data),
converted1, 100*1000,
G_CONVERTER_INPUT_AT_END,
&n_read, &n_written, NULL);
g_assert (cres == G_CONVERTER_FINISHED);
g_assert (n_read == 11);
g_assert (n_written == 41030);
g_converter_reset (expander);
mem = g_memory_input_stream_new_from_data (unexpanded_data,
sizeof (unexpanded_data),
NULL);
cstream = g_converter_input_stream_new (mem, expander);
g_assert (g_converter_input_stream_get_converter (G_CONVERTER_INPUT_STREAM (cstream)) == expander);
g_object_get (cstream, "converter", &converter, NULL);
g_assert (converter == expander);
g_object_unref (converter);
g_object_unref (mem);
total_read = 0;
ptr = converted2;
while (TRUE)
{
error = NULL;
res = g_input_stream_read (cstream,
ptr, 1,
NULL, &error);
g_assert (res != -1);
if (res == 0)
break;
ptr += res;
total_read += res;
}
g_assert_cmpmem (converted1, n_written, converted2, total_read);
g_converter_reset (expander);
mem_out = g_memory_output_stream_new (NULL, 0, g_realloc, g_free);
cstream_out = g_converter_output_stream_new (mem_out, expander);
g_assert (g_converter_output_stream_get_converter (G_CONVERTER_OUTPUT_STREAM (cstream_out)) == expander);
g_object_get (cstream_out, "converter", &converter, NULL);
g_assert (converter == expander);
g_object_unref (converter);
g_object_unref (mem_out);
for (i = 0; i < sizeof(unexpanded_data); i++)
{
error = NULL;
res = g_output_stream_write (cstream_out,
unexpanded_data + i, 1,
NULL, &error);
g_assert (res != -1);
if (res == 0)
{
g_assert (i == sizeof(unexpanded_data) -1);
break;
}
g_assert (res == 1);
}
g_output_stream_close (cstream_out, NULL, NULL);
g_assert_cmpmem (g_memory_output_stream_get_data (G_MEMORY_OUTPUT_STREAM (mem_out)),
g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mem_out)),
converted1, n_written);
g_free (converted1);
g_free (converted2);
g_object_unref (cstream);
g_object_unref (cstream_out);
g_object_unref (expander);
}
static void
test_compressor (void)
{
guint8 *converted, *expanded, *ptr;
gsize n_read, expanded_size;
gsize total_read;
gssize res;
GConverterResult cres;
GInputStream *mem, *cstream;
GOutputStream *mem_out, *cstream_out;
GConverter *expander, *compressor;
GError *error;
int i;
expander = g_expander_converter_new ();
expanded = g_malloc (100*1000); /* Large enough */
cres = g_converter_convert (expander,
unexpanded_data, sizeof(unexpanded_data),
expanded, 100*1000,
G_CONVERTER_INPUT_AT_END,
&n_read, &expanded_size, NULL);
g_assert (cres == G_CONVERTER_FINISHED);
g_assert (n_read == 11);
g_assert (expanded_size == 41030);
compressor = g_compressor_converter_new ();
converted = g_malloc (100*1000); /* Large enough */
mem = g_memory_input_stream_new_from_data (expanded,
expanded_size,
NULL);
cstream = g_converter_input_stream_new (mem, compressor);
g_object_unref (mem);
total_read = 0;
ptr = converted;
while (TRUE)
{
error = NULL;
res = g_input_stream_read (cstream,
ptr, 1,
NULL, &error);
g_assert (res != -1);
if (res == 0)
break;
ptr += res;
total_read += res;
}
/* "n_read - 1" because last 2 zeros are combined */
g_assert_cmpmem (unexpanded_data, n_read - 1, converted, total_read);
g_object_unref (cstream);
g_converter_reset (compressor);
mem_out = g_memory_output_stream_new (NULL, 0, g_realloc, g_free);
cstream_out = g_converter_output_stream_new (mem_out, compressor);
g_object_unref (mem_out);
for (i = 0; i < expanded_size; i++)
{
error = NULL;
res = g_output_stream_write (cstream_out,
expanded + i, 1,
NULL, &error);
g_assert (res != -1);
if (res == 0)
{
g_assert (i == expanded_size -1);
break;
}
g_assert (res == 1);
}
g_output_stream_close (cstream_out, NULL, NULL);
/* "n_read - 1" because last 2 zeros are combined */
g_assert_cmpmem (g_memory_output_stream_get_data (G_MEMORY_OUTPUT_STREAM (mem_out)),
g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mem_out)),
unexpanded_data,
n_read - 1);
g_object_unref (cstream_out);
g_converter_reset (compressor);
memset (expanded, 5, 5*1000*2);
mem = g_memory_input_stream_new_from_data (expanded,
5*1000,
NULL);
cstream = g_converter_input_stream_new (mem, compressor);
g_object_unref (mem);
total_read = 0;
ptr = converted;
while (TRUE)
{
error = NULL;
res = g_input_stream_read (cstream,
ptr, 1,
NULL, &error);
g_assert (res != -1);
if (res == 0)
break;
ptr += res;
total_read += res;
}
g_assert (total_read == 1);
g_assert (*converted == 5);
g_object_unref (cstream);
mem = g_memory_input_stream_new_from_data (expanded,
5*1000 * 2,
NULL);
cstream = g_converter_input_stream_new (mem, compressor);
g_object_unref (mem);
total_read = 0;
ptr = converted;
while (TRUE)
{
error = NULL;
res = g_input_stream_read (cstream,
ptr, 1,
NULL, &error);
g_assert (res != -1);
if (res == 0)
break;
ptr += res;
total_read += res;
}
g_assert (total_read == 2);
g_assert (converted[0] == 5);
g_assert (converted[1] == 5);
g_object_unref (cstream);
g_converter_reset (compressor);
mem = g_memory_input_stream_new_from_data (expanded,
5*1000 * 2 - 1,
NULL);
cstream = g_converter_input_stream_new (mem, compressor);
g_object_unref (mem);
total_read = 0;
ptr = converted;
while (TRUE)
{
error = NULL;
res = g_input_stream_read (cstream,
ptr, 1,
NULL, &error);
if (res == -1)
{
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_PARTIAL_INPUT);
g_error_free (error);
break;
}
g_assert (res != 0);
ptr += res;
total_read += res;
}
g_assert (total_read == 1);
g_assert (converted[0] == 5);
g_object_unref (cstream);
g_free (expanded);
g_free (converted);
g_object_unref (expander);
g_object_unref (compressor);
}
#define LEFTOVER_SHORT_READ_SIZE 512
#define G_TYPE_LEFTOVER_CONVERTER (g_leftover_converter_get_type ())
#define G_LEFTOVER_CONVERTER(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_LEFTOVER_CONVERTER, GLeftoverConverter))
#define G_LEFTOVER_CONVERTER_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), G_TYPE_LEFTOVER_CONVERTER, GLeftoverConverterClass))
#define G_IS_LEFTOVER_CONVERTER(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_LEFTOVER_CONVERTER))
#define G_IS_LEFTOVER_CONVERTER_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), G_TYPE_LEFTOVER_CONVERTER))
#define G_LEFTOVER_CONVERTER_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), G_TYPE_LEFTOVER_CONVERTER, GLeftoverConverterClass))
typedef struct _GLeftoverConverter GLeftoverConverter;
typedef struct _GLeftoverConverterClass GLeftoverConverterClass;
struct _GLeftoverConverterClass
{
GObjectClass parent_class;
};
GType g_leftover_converter_get_type (void) G_GNUC_CONST;
GConverter *g_leftover_converter_new (void);
static void g_leftover_converter_iface_init (GConverterIface *iface);
struct _GLeftoverConverter
{
GObject parent_instance;
};
G_DEFINE_TYPE_WITH_CODE (GLeftoverConverter, g_leftover_converter, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (G_TYPE_CONVERTER,
g_leftover_converter_iface_init))
static void
g_leftover_converter_class_init (GLeftoverConverterClass *klass)
{
}
static void
g_leftover_converter_init (GLeftoverConverter *local)
{
}
GConverter *
g_leftover_converter_new (void)
{
GConverter *conv;
conv = g_object_new (G_TYPE_LEFTOVER_CONVERTER, NULL);
return conv;
}
static void
g_leftover_converter_reset (GConverter *converter)
{
}
static GConverterResult
g_leftover_converter_convert (GConverter *converter,
const void *inbuf,
gsize inbuf_size,
void *outbuf,
gsize outbuf_size,
GConverterFlags flags,
gsize *bytes_read,
gsize *bytes_written,
GError **error)
{
if (outbuf_size == LEFTOVER_SHORT_READ_SIZE)
{
g_set_error_literal (error,
G_IO_ERROR,
G_IO_ERROR_PARTIAL_INPUT,
"partial input");
return G_CONVERTER_ERROR;
}
if (inbuf_size < 100)
*bytes_read = *bytes_written = MIN (inbuf_size, outbuf_size);
else
*bytes_read = *bytes_written = MIN (inbuf_size - 10, outbuf_size);
memcpy (outbuf, inbuf, *bytes_written);
if (*bytes_read == inbuf_size && (flags & G_CONVERTER_INPUT_AT_END))
return G_CONVERTER_FINISHED;
return G_CONVERTER_CONVERTED;
}
static void
g_leftover_converter_iface_init (GConverterIface *iface)
{
iface->convert = g_leftover_converter_convert;
iface->reset = g_leftover_converter_reset;
}
#define LEFTOVER_BUFSIZE 8192
#define INTERNAL_BUFSIZE 4096
static void
test_converter_leftover (void)
{
gchar *orig, *converted;
gsize total_read;
gssize res;
goffset offset;
GInputStream *mem, *cstream;
GConverter *converter;
GError *error;
int i;
converter = g_leftover_converter_new ();
orig = g_malloc (LEFTOVER_BUFSIZE);
converted = g_malloc (LEFTOVER_BUFSIZE);
for (i = 0; i < LEFTOVER_BUFSIZE; i++)
orig[i] = i % 64 + 32;
mem = g_memory_input_stream_new_from_data (orig, LEFTOVER_BUFSIZE, NULL);
cstream = g_converter_input_stream_new (mem, G_CONVERTER (converter));
g_object_unref (mem);
total_read = 0;
error = NULL;
res = g_input_stream_read (cstream,
converted, LEFTOVER_SHORT_READ_SIZE,
NULL, &error);
g_assert_cmpint (res, ==, LEFTOVER_SHORT_READ_SIZE);
total_read += res;
offset = g_seekable_tell (G_SEEKABLE (mem));
g_assert_cmpint (offset, >, LEFTOVER_SHORT_READ_SIZE);
g_assert_cmpint (offset, <, LEFTOVER_BUFSIZE);
/* At this point, @cstream has both a non-empty input_buffer
* and a non-empty converted_buffer, which is the case
* we want to test.
*/
while (TRUE)
{
error = NULL;
res = g_input_stream_read (cstream,
converted + total_read,
LEFTOVER_BUFSIZE - total_read,
NULL, &error);
g_assert (res >= 0);
if (res == 0)
break;
total_read += res;
}
g_assert_cmpmem (orig, LEFTOVER_BUFSIZE, converted, total_read);
g_object_unref (cstream);
g_free (orig);
g_free (converted);
g_object_unref (converter);
}
#define DATA_LENGTH 1000000
typedef struct {
const gchar *path;
GZlibCompressorFormat format;
gint level;
} CompressorTest;
static void
test_roundtrip (gconstpointer data)
{
const CompressorTest *test = data;
GError *error = NULL;
guint32 *data0, *data1;
gsize data1_size;
gint i;
GInputStream *istream0, *istream1, *cistream1;
GOutputStream *ostream1, *ostream2, *costream1;
GConverter *compressor, *decompressor;
GZlibCompressorFormat fmt;
gint lvl;
GFileInfo *info;
GFileInfo *info2;
g_test_bug ("619945");
data0 = g_malloc (DATA_LENGTH * sizeof (guint32));
for (i = 0; i < DATA_LENGTH; i++)
data0[i] = g_random_int ();
istream0 = g_memory_input_stream_new_from_data (data0,
DATA_LENGTH * sizeof (guint32), NULL);
ostream1 = g_memory_output_stream_new (NULL, 0, g_realloc, g_free);
compressor = G_CONVERTER (g_zlib_compressor_new (test->format, test->level));
info = g_file_info_new ();
g_file_info_set_name (info, "foo");
g_object_set (compressor, "file-info", info, NULL);
info2 = g_zlib_compressor_get_file_info (G_ZLIB_COMPRESSOR (compressor));
g_assert (info == info2);
g_object_unref (info);
costream1 = g_converter_output_stream_new (ostream1, compressor);
g_assert (g_converter_output_stream_get_converter (G_CONVERTER_OUTPUT_STREAM (costream1)) == compressor);
g_output_stream_splice (costream1, istream0, 0, NULL, &error);
g_assert_no_error (error);
g_object_unref (costream1);
g_converter_reset (compressor);
g_object_get (compressor, "format", &fmt, "level", &lvl, NULL);
g_assert_cmpint (fmt, ==, test->format);
g_assert_cmpint (lvl, ==, test->level);
g_object_unref (compressor);
data1 = g_memory_output_stream_steal_data (G_MEMORY_OUTPUT_STREAM (ostream1));
data1_size = g_memory_output_stream_get_data_size (
G_MEMORY_OUTPUT_STREAM (ostream1));
g_object_unref (ostream1);
g_object_unref (istream0);
istream1 = g_memory_input_stream_new_from_data (data1, data1_size, g_free);
decompressor = G_CONVERTER (g_zlib_decompressor_new (test->format));
cistream1 = g_converter_input_stream_new (istream1, decompressor);
ostream2 = g_memory_output_stream_new (NULL, 0, g_realloc, g_free);
g_output_stream_splice (ostream2, cistream1, 0, NULL, &error);
g_assert_no_error (error);
g_assert_cmpmem (data0, DATA_LENGTH * sizeof (guint32),
g_memory_output_stream_get_data (G_MEMORY_OUTPUT_STREAM (ostream2)),
g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (ostream2)));
g_object_unref (istream1);
g_converter_reset (decompressor);
g_object_get (decompressor, "format", &fmt, NULL);
g_assert_cmpint (fmt, ==, test->format);
g_object_unref (decompressor);
g_object_unref (cistream1);
g_object_unref (ostream2);
g_free (data0);
}
typedef struct {
const gchar *path;
const gchar *charset_in;
const gchar *text_in;
const gchar *charset_out;
const gchar *text_out;
gint n_fallbacks;
} CharsetTest;
static void
test_charset (gconstpointer data)
{
const CharsetTest *test = data;
GInputStream *in, *in2;
GConverter *conv;
gchar *buffer;
gsize count;
gsize bytes_read;
GError *error;
gboolean fallback;
conv = (GConverter *)g_charset_converter_new (test->charset_out, test->charset_in, NULL);
g_object_get (conv, "use-fallback", &fallback, NULL);
g_assert (!fallback);
in = g_memory_input_stream_new_from_data (test->text_in, -1, NULL);
in2 = g_converter_input_stream_new (in, conv);
count = 2 * strlen (test->text_out);
buffer = g_malloc0 (count);
error = NULL;
g_input_stream_read_all (in2, buffer, count, &bytes_read, NULL, &error);
if (test->n_fallbacks == 0)
{
g_assert_no_error (error);
g_assert_cmpint (bytes_read, ==, strlen (test->text_out));
g_assert_cmpstr (buffer, ==, test->text_out);
}
else
{
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_INVALID_DATA);
g_error_free (error);
}
g_free (buffer);
g_object_unref (in2);
g_object_unref (in);
if (test->n_fallbacks == 0)
{
g_object_unref (conv);
return;
}
g_converter_reset (conv);
g_assert (!g_charset_converter_get_use_fallback (G_CHARSET_CONVERTER (conv)));
g_charset_converter_set_use_fallback (G_CHARSET_CONVERTER (conv), TRUE);
in = g_memory_input_stream_new_from_data (test->text_in, -1, NULL);
in2 = g_converter_input_stream_new (in, conv);
count = 2 * strlen (test->text_out);
buffer = g_malloc0 (count);
error = NULL;
g_input_stream_read_all (in2, buffer, count, &bytes_read, NULL, &error);
g_assert_no_error (error);
g_assert_cmpstr (buffer, ==, test->text_out);
g_assert_cmpint (bytes_read, ==, strlen (test->text_out));
g_assert_cmpint (test->n_fallbacks, ==, g_charset_converter_get_num_fallbacks (G_CHARSET_CONVERTER (conv)));
g_free (buffer);
g_object_unref (in2);
g_object_unref (in);
g_object_unref (conv);
}
static void
client_connected (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
GSocketClient *client = G_SOCKET_CLIENT (source);
GSocketConnection **conn = user_data;
GError *error = NULL;
*conn = g_socket_client_connect_finish (client, result, &error);
g_assert_no_error (error);
}
static void
server_connected (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
GSocketListener *listener = G_SOCKET_LISTENER (source);
GSocketConnection **conn = user_data;
GError *error = NULL;
*conn = g_socket_listener_accept_finish (listener, result, NULL, &error);
g_assert_no_error (error);
}
static void
make_socketpair (GIOStream **left,
GIOStream **right)
{
GInetAddress *iaddr;
GSocketAddress *saddr, *effective_address;
GSocketListener *listener;
GSocketClient *client;
GError *error = NULL;
GSocketConnection *client_conn = NULL, *server_conn = NULL;
iaddr = g_inet_address_new_loopback (G_SOCKET_FAMILY_IPV4);
saddr = g_inet_socket_address_new (iaddr, 0);
g_object_unref (iaddr);
listener = g_socket_listener_new ();
g_socket_listener_add_address (listener, saddr,
G_SOCKET_TYPE_STREAM,
G_SOCKET_PROTOCOL_TCP,
NULL,
&effective_address,
&error);
g_assert_no_error (error);
g_object_unref (saddr);
client = g_socket_client_new ();
g_socket_client_connect_async (client,
G_SOCKET_CONNECTABLE (effective_address),
NULL, client_connected, &client_conn);
g_socket_listener_accept_async (listener, NULL,
server_connected, &server_conn);
while (!client_conn || !server_conn)
g_main_context_iteration (NULL, TRUE);
g_object_unref (client);
g_object_unref (listener);
g_object_unref (effective_address);
*left = G_IO_STREAM (client_conn);
*right = G_IO_STREAM (server_conn);
}
static void
test_converter_pollable (void)
{
GIOStream *left, *right;
guint8 *converted, *inptr;
guint8 *expanded, *outptr, *expanded_end;
gsize n_read, expanded_size;
gsize total_read;
gssize res;
gboolean is_readable;
GConverterResult cres;
GInputStream *cstream;
GPollableInputStream *pollable_in;
GOutputStream *socket_out, *mem_out, *cstream_out;
GPollableOutputStream *pollable_out;
GConverter *expander, *compressor;
GError *error;
int i;
expander = g_expander_converter_new ();
expanded = g_malloc (100*1000); /* Large enough */
cres = g_converter_convert (expander,
unexpanded_data, sizeof(unexpanded_data),
expanded, 100*1000,
G_CONVERTER_INPUT_AT_END,
&n_read, &expanded_size, NULL);
g_assert (cres == G_CONVERTER_FINISHED);
g_assert (n_read == 11);
g_assert (expanded_size == 41030);
expanded_end = expanded + expanded_size;
make_socketpair (&left, &right);
compressor = g_compressor_converter_new ();
converted = g_malloc (100*1000); /* Large enough */
cstream = g_converter_input_stream_new (g_io_stream_get_input_stream (left),
compressor);
pollable_in = G_POLLABLE_INPUT_STREAM (cstream);
g_assert (g_pollable_input_stream_can_poll (pollable_in));
socket_out = g_io_stream_get_output_stream (right);
total_read = 0;
outptr = expanded;
inptr = converted;
while (TRUE)
{
error = NULL;
if (outptr < expanded_end)
{
res = g_output_stream_write (socket_out,
outptr,
MIN (1000, (expanded_end - outptr)),
NULL, &error);
g_assert_cmpint (res, >, 0);
outptr += res;
}
else if (socket_out)
{
g_object_unref (right);
socket_out = NULL;
}
/* Wait a few ticks to check for the pipe to propagate the
* write. Finesses the race condition in the following test,
* where is_readable fails because the write hasn't propagated,
* but the read then succeeds because it has. */
g_usleep (80L);
is_readable = g_pollable_input_stream_is_readable (pollable_in);
res = g_pollable_input_stream_read_nonblocking (pollable_in,
inptr, 1,
NULL, &error);
/* is_readable can be a false positive, but not a false negative */
if (!is_readable)
g_assert_cmpint (res, ==, -1);
/* After closing the write end, we can't get WOULD_BLOCK any more */
if (!socket_out)
g_assert_cmpint (res, !=, -1);
if (res == -1)
{
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_WOULD_BLOCK);
g_error_free (error);
continue;
}
if (res == 0)
break;
inptr += res;
total_read += res;
}
/* "n_read - 1" because last 2 zeros are combined */
g_assert_cmpmem (unexpanded_data, n_read - 1, converted, total_read);
g_object_unref (cstream);
g_object_unref (left);
g_converter_reset (compressor);
/* This doesn't actually test the behavior on
* G_IO_ERROR_WOULD_BLOCK; to do that we'd need to implement a
* custom GOutputStream that we could control blocking on.
*/
mem_out = g_memory_output_stream_new (NULL, 0, g_realloc, g_free);
cstream_out = g_converter_output_stream_new (mem_out, compressor);
g_object_unref (mem_out);
pollable_out = G_POLLABLE_OUTPUT_STREAM (cstream_out);
g_assert (g_pollable_output_stream_can_poll (pollable_out));
g_assert (g_pollable_output_stream_is_writable (pollable_out));
for (i = 0; i < expanded_size; i++)
{
error = NULL;
res = g_pollable_output_stream_write_nonblocking (pollable_out,
expanded + i, 1,
NULL, &error);
g_assert (res != -1);
if (res == 0)
{
g_assert (i == expanded_size -1);
break;
}
g_assert (res == 1);
}
g_output_stream_close (cstream_out, NULL, NULL);
/* "n_read - 1" because last 2 zeros are combined */
g_assert_cmpmem (g_memory_output_stream_get_data (G_MEMORY_OUTPUT_STREAM (mem_out)),
g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mem_out)),
unexpanded_data,
n_read - 1);
g_object_unref (cstream_out);
g_free (expanded);
g_free (converted);
g_object_unref (expander);
g_object_unref (compressor);
}
static void
test_truncation (gconstpointer data)
{
const CompressorTest *test = data;
GError *error = NULL;
guint32 *data0, *data1;
gsize data1_size;
gint i;
GInputStream *istream0, *istream1, *cistream1;
GOutputStream *ostream1, *ostream2, *costream1;
GConverter *compressor, *decompressor;
data0 = g_malloc (DATA_LENGTH * sizeof (guint32));
for (i = 0; i < DATA_LENGTH; i++)
data0[i] = g_random_int ();
istream0 = g_memory_input_stream_new_from_data (data0,
DATA_LENGTH * sizeof (guint32), NULL);
ostream1 = g_memory_output_stream_new (NULL, 0, g_realloc, g_free);
compressor = G_CONVERTER (g_zlib_compressor_new (test->format, -1));
costream1 = g_converter_output_stream_new (ostream1, compressor);
g_assert (g_converter_output_stream_get_converter (G_CONVERTER_OUTPUT_STREAM (costream1)) == compressor);
g_output_stream_splice (costream1, istream0, 0, NULL, &error);
g_assert_no_error (error);
g_object_unref (costream1);
g_object_unref (compressor);
data1 = g_memory_output_stream_steal_data (G_MEMORY_OUTPUT_STREAM (ostream1));
data1_size = g_memory_output_stream_get_data_size (
G_MEMORY_OUTPUT_STREAM (ostream1));
g_object_unref (ostream1);
g_object_unref (istream0);
/* truncate */
data1_size /= 2;
istream1 = g_memory_input_stream_new_from_data (data1, data1_size, g_free);
decompressor = G_CONVERTER (g_zlib_decompressor_new (test->format));
cistream1 = g_converter_input_stream_new (istream1, decompressor);
ostream2 = g_memory_output_stream_new (NULL, 0, g_realloc, g_free);
g_output_stream_splice (ostream2, cistream1, 0, NULL, &error);
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_PARTIAL_INPUT);
g_error_free (error);
g_object_unref (istream1);
g_object_unref (decompressor);
g_object_unref (cistream1);
g_object_unref (ostream2);
g_free (data0);
}
static void
test_converter_basics (void)
{
GConverter *converter;
GError *error = NULL;
gchar *to;
gchar *from;
converter = (GConverter *)g_charset_converter_new ("utf-8", "latin1", &error);
g_assert_no_error (error);
g_object_get (converter,
"to-charset", &to,
"from-charset", &from,
NULL);
g_assert_cmpstr (to, ==, "utf-8");
g_assert_cmpstr (from, ==, "latin1");
g_free (to);
g_free (from);
g_object_unref (converter);
}
int
main (int argc,
char *argv[])
{
CompressorTest compressor_tests[] = {
{ "/converter-output-stream/roundtrip/zlib-0", G_ZLIB_COMPRESSOR_FORMAT_ZLIB, 0 },
{ "/converter-output-stream/roundtrip/zlib-9", G_ZLIB_COMPRESSOR_FORMAT_ZLIB, 9 },
{ "/converter-output-stream/roundtrip/gzip-0", G_ZLIB_COMPRESSOR_FORMAT_GZIP, 0 },
{ "/converter-output-stream/roundtrip/gzip-9", G_ZLIB_COMPRESSOR_FORMAT_GZIP, 9 },
{ "/converter-output-stream/roundtrip/raw-0", G_ZLIB_COMPRESSOR_FORMAT_RAW, 0 },
{ "/converter-output-stream/roundtrip/raw-9", G_ZLIB_COMPRESSOR_FORMAT_RAW, 9 },
};
CompressorTest truncation_tests[] = {
{ "/converter-input-stream/truncation/zlib", G_ZLIB_COMPRESSOR_FORMAT_ZLIB, 0 },
{ "/converter-input-stream/truncation/gzip", G_ZLIB_COMPRESSOR_FORMAT_GZIP, 0 },
{ "/converter-input-stream/truncation/raw", G_ZLIB_COMPRESSOR_FORMAT_RAW, 0 },
};
CharsetTest charset_tests[] = {
{ "/converter-input-stream/charset/utf8->latin1", "UTF-8", "\303\205rr Sant\303\251", "ISO-8859-1", "\305rr Sant\351", 0 },
{ "/converter-input-stream/charset/latin1->utf8", "ISO-8859-1", "\305rr Sant\351", "UTF-8", "\303\205rr Sant\303\251", 0 },
{ "/converter-input-stream/charset/fallbacks", "UTF-8", "Some characters just don't fit into latin1: πא", "ISO-8859-1", "Some characters just don't fit into latin1: \\CF\\80\\D7\\90", 4 },
};
gint i;
g_test_init (&argc, &argv, NULL);
g_test_bug_base ("http://bugzilla.gnome.org/");
g_test_add_func ("/converter/basics", test_converter_basics);
g_test_add_func ("/converter-input-stream/expander", test_expander);
g_test_add_func ("/converter-input-stream/compressor", test_compressor);
for (i = 0; i < G_N_ELEMENTS (compressor_tests); i++)
g_test_add_data_func (compressor_tests[i].path, &compressor_tests[i], test_roundtrip);
for (i = 0; i < G_N_ELEMENTS (truncation_tests); i++)
g_test_add_data_func (truncation_tests[i].path, &truncation_tests[i], test_truncation);
for (i = 0; i < G_N_ELEMENTS (charset_tests); i++)
g_test_add_data_func (charset_tests[i].path, &charset_tests[i], test_charset);
g_test_add_func ("/converter-stream/pollable", test_converter_pollable);
g_test_add_func ("/converter-stream/leftover", test_converter_leftover);
return g_test_run();
}
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