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Add a regression test for GConverterOutputStream corruption

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See bug #619945 for background
This commit is contained in:
Christian Dywan 2010-06-11 09:46:47 +02:00 committed by Alexander Larsson
parent ceee4c21a3
commit 85ea72c0c5
1 changed files with 54 additions and 0 deletions
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54
gio/tests/converter-stream.c
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@ -558,6 +558,59 @@ test_compressor (void)
g_object_unref (compressor);
}
#define DATA_LENGTH 1000000
static void
test_corruption (void)
{
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, NULL);
compressor = G_CONVERTER (g_zlib_compressor_new (
G_ZLIB_COMPRESSOR_FORMAT_GZIP, -1));
costream1 = g_converter_output_stream_new (ostream1, 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_get_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, NULL);
decompressor = G_CONVERTER (g_zlib_decompressor_new (
G_ZLIB_COMPRESSOR_FORMAT_GZIP));
cistream1 = g_converter_input_stream_new (istream1, decompressor);
ostream2 = g_memory_output_stream_new (NULL, 0, g_realloc, NULL);
g_output_stream_splice (ostream2, cistream1, 0, NULL, &error);
g_assert_no_error (error);
g_assert_cmpuint (DATA_LENGTH * sizeof (guint32), ==,
g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (ostream2)));
g_assert (memcmp (data0, g_memory_output_stream_get_data (
G_MEMORY_OUTPUT_STREAM (ostream2)), DATA_LENGTH * sizeof (guint32)) == 0);
}
int
main (int argc,
char *argv[])
@ -567,6 +620,7 @@ main (int argc,
g_test_add_func ("/converter-input-stream/expander", test_expander);
g_test_add_func ("/converter-input-stream/compressor", test_compressor);
g_test_add_func ("/converter-output-stream/corruption", test_corruption);
return g_test_run();
}