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glib/gio/tests/buffered-input-stream.c
Colin Walters 753494a25e tests/buffered-input-stream: Fix size of parameter passed 
buffer-size is guint, but the public API is gsize for some reason.

Tested-By: gustavold@linux.vnet.ibm.com

https://bugzilla.gnome.org/show_bug.cgi?id=687801
2012-11-07 09:51:20 -05:00

390 lines
14 KiB
C
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/* GLib testing framework examples and tests
* Copyright (C) 2008 Red Hat, Inc.
* Authors: Matthias Clasen <mclasen@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>
static void
test_peek (void)
{
GInputStream *base;
GInputStream *in;
gssize npeek;
char *buffer;
base = g_memory_input_stream_new_from_data ("abcdefghijk", -1, NULL);
in = g_buffered_input_stream_new_sized (base, 64);
g_buffered_input_stream_fill (G_BUFFERED_INPUT_STREAM (in), 5, NULL, NULL);
g_assert_cmpint (g_buffered_input_stream_get_available (G_BUFFERED_INPUT_STREAM (in)), ==, 5);
g_buffered_input_stream_fill (G_BUFFERED_INPUT_STREAM (in), -1, NULL, NULL);
g_assert_cmpint (g_buffered_input_stream_get_available (G_BUFFERED_INPUT_STREAM (in)), ==, strlen ("abcdefjhijk"));
buffer = g_new0 (char, 64);
npeek = g_buffered_input_stream_peek (G_BUFFERED_INPUT_STREAM (in), buffer, 2, 3);
g_assert_cmpint (npeek, ==, 3);
g_assert_cmpstr ("cde", ==, buffer);
g_free (buffer);
buffer = g_new0 (char, 64);
npeek = g_buffered_input_stream_peek (G_BUFFERED_INPUT_STREAM (in), buffer, 9, 5);
g_assert_cmpint (npeek, ==, 2);
g_assert_cmpstr ("jk", ==, buffer);
g_free (buffer);
buffer = g_new0 (char, 64);
npeek = g_buffered_input_stream_peek (G_BUFFERED_INPUT_STREAM (in), buffer, 75, 3);
g_assert_cmpint (npeek, ==, 0);
g_free (buffer);
g_object_unref (in);
g_object_unref (base);
}
static void
test_peek_buffer (void)
{
GInputStream *base;
GInputStream *in;
gssize nfill;
gsize bufsize;
char *buffer;
base = g_memory_input_stream_new_from_data ("abcdefghijk", -1, NULL);
in = g_buffered_input_stream_new (base);
nfill = g_buffered_input_stream_fill (G_BUFFERED_INPUT_STREAM (in), strlen ("abcdefghijk"), NULL, NULL);
buffer = (char *) g_buffered_input_stream_peek_buffer (G_BUFFERED_INPUT_STREAM (in), &bufsize);
g_assert_cmpint (nfill, ==, bufsize);
g_assert (0 == strncmp ("abcdefghijk", buffer, bufsize));
g_object_unref (in);
g_object_unref (base);
}
static void
test_set_buffer_size (void)
{
GInputStream *base;
GInputStream *in;
guint bufsize_prop;
gsize size, bufsize;
base = g_memory_input_stream_new_from_data ("abcdefghijk", -1, NULL);
in = g_buffered_input_stream_new (base);
size = g_buffered_input_stream_get_buffer_size (G_BUFFERED_INPUT_STREAM (in));
g_assert_cmpint (size, ==, 4096);
g_buffered_input_stream_set_buffer_size (G_BUFFERED_INPUT_STREAM (in), 64);
size = g_buffered_input_stream_get_buffer_size (G_BUFFERED_INPUT_STREAM (in));
g_assert_cmpint (size, ==, 64);
/* size cannot shrink below current content len */
g_buffered_input_stream_fill (G_BUFFERED_INPUT_STREAM (in), strlen ("abcdefghijk"), NULL, NULL);
g_buffered_input_stream_peek_buffer (G_BUFFERED_INPUT_STREAM (in), &bufsize);
g_buffered_input_stream_set_buffer_size (G_BUFFERED_INPUT_STREAM (in), 2);
size = g_buffered_input_stream_get_buffer_size (G_BUFFERED_INPUT_STREAM (in));
g_assert_cmpint (size, ==, bufsize);
g_object_get (in, "buffer-size", &bufsize_prop, NULL);
g_assert_cmpint (bufsize_prop, ==, bufsize);
g_object_unref (in);
in = g_buffered_input_stream_new_sized (base, 64);
size = g_buffered_input_stream_get_buffer_size (G_BUFFERED_INPUT_STREAM (in));
g_assert_cmpint (size, ==, 64);
g_object_unref (in);
g_object_unref (base);
}
static void
test_read_byte (void)
{
GInputStream *base;
GInputStream *in;
GError *error;
g_test_bug ("562393");
base = g_memory_input_stream_new_from_data ("abcdefgh", -1, NULL);
in = g_buffered_input_stream_new (base);
error = NULL;
g_assert_cmpint (g_buffered_input_stream_read_byte (G_BUFFERED_INPUT_STREAM (in), NULL, &error), ==, 'a');
g_assert_no_error (error);
g_assert_cmpint (g_buffered_input_stream_read_byte (G_BUFFERED_INPUT_STREAM (in), NULL, &error), ==, 'b');
g_assert_no_error (error);
g_assert_cmpint (g_buffered_input_stream_read_byte (G_BUFFERED_INPUT_STREAM (in), NULL, &error), ==, 'c');
g_assert_no_error (error);
g_assert_cmpint (g_input_stream_skip (in, 3, NULL, &error), ==, 3);
g_assert_no_error (error);
g_assert_cmpint (g_buffered_input_stream_read_byte (G_BUFFERED_INPUT_STREAM (in), NULL, &error), ==, 'g');
g_assert_no_error (error);
g_assert_cmpint (g_buffered_input_stream_read_byte (G_BUFFERED_INPUT_STREAM (in), NULL, &error), ==, 'h');
g_assert_no_error (error);
g_assert_cmpint (g_buffered_input_stream_read_byte (G_BUFFERED_INPUT_STREAM (in), NULL, &error), ==, -1);
g_assert_no_error (error);
g_assert (g_input_stream_close (in, NULL, &error));
g_assert_no_error (error);
g_assert_cmpint (g_buffered_input_stream_read_byte (G_BUFFERED_INPUT_STREAM (in), NULL, &error), ==, -1);
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_CLOSED);
g_error_free (error);
g_object_unref (in);
g_object_unref (base);
}
static void
test_read (void)
{
GInputStream *base;
GInputStream *in;
gchar buffer[20];
GError *error;
base = g_memory_input_stream_new_from_data ("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ", -1, NULL);
in = g_buffered_input_stream_new_sized (base, 8);
g_assert_cmpint (g_buffered_input_stream_get_available (G_BUFFERED_INPUT_STREAM (in)), ==, 0);
error = NULL;
g_assert_cmpint (g_buffered_input_stream_fill (G_BUFFERED_INPUT_STREAM (in), 8, NULL, &error), ==, 8);
g_assert_no_error (error);
g_assert_cmpint (g_buffered_input_stream_get_available (G_BUFFERED_INPUT_STREAM (in)), ==, 8);
memset (buffer, 0, 20);
g_assert_cmpint (g_input_stream_read (in, &buffer, 16, NULL, &error), ==, 16);
g_assert_cmpstr (buffer, ==, "abcdefghijklmnop");
g_assert_no_error (error);
g_assert_cmpint (g_buffered_input_stream_get_available (G_BUFFERED_INPUT_STREAM (in)), ==, 0);
memset (buffer, 0, 20);
g_assert_cmpint (g_input_stream_read (in, &buffer, 16, NULL, &error), ==, 16);
g_assert_cmpstr (buffer, ==, "qrstuvwxyzABCDEF");
g_assert_no_error (error);
memset (buffer, 0, 20);
g_assert_cmpint (g_input_stream_read (in, &buffer, 16, NULL, &error), ==, 16);
g_assert_cmpstr (buffer, ==, "GHIJKLMNOPQRSTUV");
g_assert_no_error (error);
memset (buffer, 0, 20);
g_assert_cmpint (g_input_stream_read (in, &buffer, 16, NULL, &error), ==, 4);
g_assert_cmpstr (buffer, ==, "WXYZ");
g_assert_no_error (error);
memset (buffer, 0, 20);
g_assert_cmpint (g_input_stream_read (in, &buffer, 16, NULL, &error), ==, 0);
g_assert_no_error (error);
g_object_unref (in);
g_object_unref (base);
}
static void
test_skip (void)
{
GInputStream *base;
GInputStream *in;
GError *error;
base = g_memory_input_stream_new_from_data ("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVXYZ", -1, NULL);
in = g_buffered_input_stream_new_sized (base, 5);
error = NULL;
g_assert_cmpint (g_buffered_input_stream_read_byte (G_BUFFERED_INPUT_STREAM (in), NULL, &error), ==, 'a');
g_assert_no_error (error);
g_assert_cmpint (g_buffered_input_stream_read_byte (G_BUFFERED_INPUT_STREAM (in), NULL, &error), ==, 'b');
g_assert_no_error (error);
g_assert_cmpint (g_buffered_input_stream_read_byte (G_BUFFERED_INPUT_STREAM (in), NULL, &error), ==, 'c');
g_assert_no_error (error);
g_assert_cmpint (g_input_stream_skip (in, 7, NULL, &error), ==, 7);
g_assert_no_error (error);
g_assert_cmpint (g_buffered_input_stream_read_byte (G_BUFFERED_INPUT_STREAM (in), NULL, &error), ==, 'k');
g_assert_no_error (error);
g_assert_cmpint (g_input_stream_skip (in, 10, NULL, &error), ==, 10);
g_assert_no_error (error);
g_assert_cmpint (g_buffered_input_stream_read_byte (G_BUFFERED_INPUT_STREAM (in), NULL, &error), ==, 'v');
g_assert_no_error (error);
g_assert_cmpint (g_input_stream_skip (in, 20, NULL, &error), ==, 20);
g_assert_no_error (error);
g_assert_cmpint (g_buffered_input_stream_read_byte (G_BUFFERED_INPUT_STREAM (in), NULL, &error), ==, 'Q');
g_assert_no_error (error);
g_assert_cmpint (g_input_stream_skip (in, 10, NULL, &error), ==, 8);
g_assert_no_error (error);
g_assert_cmpint (g_input_stream_skip (in, 10, NULL, &error), ==, 0);
g_assert_no_error (error);
g_object_unref (in);
g_object_unref (base);
}
static void
test_close (void)
{
GInputStream *base;
GInputStream *in;
GError *error;
base = g_memory_input_stream_new_from_data ("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVXYZ", -1, NULL);
in = g_buffered_input_stream_new (base);
g_assert (g_filter_input_stream_get_close_base_stream (G_FILTER_INPUT_STREAM (in)));
error = NULL;
g_assert (g_input_stream_close (in, NULL, &error));
g_assert_no_error (error);
g_assert (g_input_stream_is_closed (base));
g_object_unref (in);
g_object_unref (base);
base = g_memory_input_stream_new_from_data ("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVXYZ", -1, NULL);
in = g_buffered_input_stream_new (base);
g_filter_input_stream_set_close_base_stream (G_FILTER_INPUT_STREAM (in), FALSE);
error = NULL;
g_assert (g_input_stream_close (in, NULL, &error));
g_assert_no_error (error);
g_assert (!g_input_stream_is_closed (base));
g_object_unref (in);
g_object_unref (base);
}
static void
test_seek (void)
{
GInputStream *base;
GInputStream *in;
GError *error;
gint byte;
gboolean ret;
base = g_memory_input_stream_new_from_data ("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVXYZ", -1, NULL);
in = g_buffered_input_stream_new_sized (base, 4);
error = NULL;
/* Seek by read */
g_assert_cmpint (g_seekable_tell (G_SEEKABLE (in)), ==, 0);
byte = g_buffered_input_stream_read_byte (G_BUFFERED_INPUT_STREAM (in), NULL, &error);
g_assert_no_error (error);
g_assert_cmpint (byte, ==, 'a');
g_assert_cmpint (g_seekable_tell (G_SEEKABLE (in)), ==, 1);
/* Seek forward (in buffer) */
ret = g_seekable_seek (G_SEEKABLE (in), 1, G_SEEK_CUR, NULL, &error);
g_assert_no_error (error);
g_assert (ret);
g_assert_cmpint (g_seekable_tell (G_SEEKABLE (in)), ==, 2);
byte = g_buffered_input_stream_read_byte (G_BUFFERED_INPUT_STREAM (in), NULL, &error);
g_assert_no_error (error);
g_assert_cmpint (byte, ==, 'c');
g_assert_cmpint (g_seekable_tell (G_SEEKABLE (in)), ==, 3);
/* Seek backward (in buffer) */
ret = g_seekable_seek (G_SEEKABLE (in), -2, G_SEEK_CUR, NULL, &error);
g_assert_no_error (error);
g_assert (ret);
g_assert_cmpint (g_seekable_tell (G_SEEKABLE (in)), ==, 1);
byte = g_buffered_input_stream_read_byte (G_BUFFERED_INPUT_STREAM (in), NULL, &error);
g_assert_no_error (error);
g_assert_cmpint (byte, ==, 'b');
g_assert_cmpint (g_seekable_tell (G_SEEKABLE (in)), ==, 2);
/* Seek forward (outside buffer) */
ret = g_seekable_seek (G_SEEKABLE (in), 6, G_SEEK_CUR, NULL, &error);
g_assert_no_error (error);
g_assert (ret);
g_assert_cmpint (g_seekable_tell (G_SEEKABLE (in)), ==, 8);
byte = g_buffered_input_stream_read_byte (G_BUFFERED_INPUT_STREAM (in), NULL, &error);
g_assert_no_error (error);
g_assert_cmpint (byte, ==, 'i');
g_assert_cmpint (g_seekable_tell (G_SEEKABLE (in)), ==, 9);
/* Seek backward (outside buffer) */
ret = g_seekable_seek (G_SEEKABLE (in), -6, G_SEEK_CUR, NULL, &error);
g_assert_no_error (error);
g_assert (ret);
g_assert_cmpint (g_seekable_tell (G_SEEKABLE (in)), ==, 3);
byte = g_buffered_input_stream_read_byte (G_BUFFERED_INPUT_STREAM (in), NULL, &error);
g_assert_no_error (error);
g_assert_cmpint (byte, ==, 'd');
g_assert_cmpint (g_seekable_tell (G_SEEKABLE (in)), ==, 4);
/* Seek from beginning */
ret = g_seekable_seek (G_SEEKABLE (in), 8, G_SEEK_SET, NULL, &error);
g_assert_no_error (error);
g_assert (ret);
g_assert_cmpint (g_seekable_tell (G_SEEKABLE (in)), ==, 8);
byte = g_buffered_input_stream_read_byte (G_BUFFERED_INPUT_STREAM (in), NULL, &error);
g_assert_no_error (error);
g_assert_cmpint (byte, ==, 'i');
g_assert_cmpint (g_seekable_tell (G_SEEKABLE (in)), ==, 9);
/* Seek from end */
ret = g_seekable_seek (G_SEEKABLE (in), -1, G_SEEK_END, NULL, &error);
g_assert_no_error (error);
g_assert (ret);
g_assert_cmpint (g_seekable_tell (G_SEEKABLE (in)), ==, 50);
byte = g_buffered_input_stream_read_byte (G_BUFFERED_INPUT_STREAM (in), NULL, &error);
g_assert_no_error (error);
g_assert_cmpint (byte, ==, 'Z');
g_assert_cmpint (g_seekable_tell (G_SEEKABLE (in)), ==, 51);
/* Cleanup */
g_object_unref (in);
g_object_unref (base);
}
int
main (int argc,
char *argv[])
{
g_test_init (&argc, &argv, NULL);
g_test_bug_base ("http://bugzilla.gnome.org/");
g_test_add_func ("/buffered-input-stream/peek", test_peek);
g_test_add_func ("/buffered-input-stream/peek-buffer", test_peek_buffer);
g_test_add_func ("/buffered-input-stream/set-buffer-size", test_set_buffer_size);
g_test_add_func ("/buffered-input-stream/read-byte", test_read_byte);
g_test_add_func ("/buffered-input-stream/read", test_read);
g_test_add_func ("/buffered-input-stream/skip", test_skip);
g_test_add_func ("/buffered-input-stream/seek", test_seek);
g_test_add_func ("/filter-input-stream/close", test_close);
return g_test_run();
}
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