mirror of
https://gitlab.gnome.org/GNOME/glib.git
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d64336e1a9
We currently fail a buffer != NULL assertion if buffer is NULL and count is 0. Allow this case without critical assertions. Fixes https://gitlab.gnome.org/GNOME/glib/-/issues/3402
473 lines
16 KiB
C
473 lines
16 KiB
C
/* GLib testing framework examples and tests
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* Copyright (C) 2008 Red Hat, Inc.
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* Author: Matthias Clasen
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*
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* SPDX-License-Identifier: LicenseRef-old-glib-tests
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*
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* This work is provided "as is"; redistribution and modification
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* in whole or in part, in any medium, physical or electronic is
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* permitted without restriction.
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*
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* This work is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* In no event shall the authors or contributors be liable for any
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* direct, indirect, incidental, special, exemplary, or consequential
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* damages (including, but not limited to, procurement of substitute
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* goods or services; loss of use, data, or profits; or business
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* interruption) however caused and on any theory of liability, whether
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* in contract, strict liability, or tort (including negligence or
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* otherwise) arising in any way out of the use of this software, even
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* if advised of the possibility of such damage.
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*/
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#include <glib/glib.h>
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#include <gio/gio.h>
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#include <stdlib.h>
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#include <string.h>
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static void
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test_truncate (void)
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{
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GOutputStream *mo;
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GDataOutputStream *o;
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int i;
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GError *error = NULL;
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guint8 *data;
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g_test_bug ("https://bugzilla.gnome.org/show_bug.cgi?id=540423");
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mo = g_memory_output_stream_new_resizable ();
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g_assert (g_seekable_can_truncate (G_SEEKABLE (mo)));
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o = g_data_output_stream_new (mo);
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for (i = 0; i < 1000; i++)
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{
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g_data_output_stream_put_byte (o, 1, NULL, &error);
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g_assert_no_error (error);
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}
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g_assert_cmpint (g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mo)), ==, 1000);
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g_seekable_truncate (G_SEEKABLE (mo), 0, NULL, &error);
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g_assert_cmpuint (g_seekable_tell (G_SEEKABLE (mo)), ==, 1000);
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g_assert_no_error (error);
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g_assert_cmpint (g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mo)), ==, 0);
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for (i = 0; i < 2000; i++)
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{
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g_data_output_stream_put_byte (o, 2, NULL, &error);
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g_assert_no_error (error);
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}
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g_assert_cmpint (g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mo)), ==, 3000);
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data = (guint8 *)g_memory_output_stream_get_data (G_MEMORY_OUTPUT_STREAM (mo));
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/* The 1's written initially were lost when we truncated to 0
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* and then started writing at position 1000.
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*/
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for (i = 0; i < 1000; i++)
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g_assert_cmpuint (data[i], ==, 0);
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for (i = 1000; i < 3000; i++)
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g_assert_cmpuint (data[i], ==, 2);
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g_test_bug ("https://bugzilla.gnome.org/show_bug.cgi?id=720080");
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g_seekable_truncate (G_SEEKABLE (mo), 8192, NULL, &error);
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g_assert_cmpint (g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mo)), ==, 8192);
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data = (guint8 *)g_memory_output_stream_get_data (G_MEMORY_OUTPUT_STREAM (mo));
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for (i = 3000; i < 8192; i++)
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g_assert_cmpuint (data[i], ==, 0);
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g_object_unref (o);
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g_object_unref (mo);
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}
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static void
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test_seek_fixed (void)
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{
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GOutputStream *mo;
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GError *error;
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mo = g_memory_output_stream_new (g_new (gchar, 100), 100, NULL, g_free);
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g_assert (G_IS_SEEKABLE (mo));
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g_assert (g_seekable_can_seek (G_SEEKABLE (mo)));
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g_assert_cmpint (g_seekable_tell (G_SEEKABLE (mo)), ==, 0);
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error = NULL;
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g_assert (!g_seekable_seek (G_SEEKABLE (mo), 222, G_SEEK_CUR, NULL, &error));
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g_assert_error (error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT);
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g_clear_error (&error);
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g_assert_cmpint (g_seekable_tell (G_SEEKABLE (mo)), ==, 0);
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g_assert (g_seekable_seek (G_SEEKABLE (mo), 26, G_SEEK_SET, NULL, &error));
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g_assert_no_error (error);
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g_assert_cmpint (g_seekable_tell (G_SEEKABLE (mo)), ==, 26);
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g_assert (g_seekable_seek (G_SEEKABLE (mo), 20, G_SEEK_CUR, NULL, &error));
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g_assert_cmpint (g_seekable_tell (G_SEEKABLE (mo)), ==, 46);
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g_assert_no_error (error);
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g_assert (!g_seekable_seek (G_SEEKABLE (mo), 200, G_SEEK_CUR, NULL, &error));
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g_assert_error (error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT);
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g_clear_error (&error);
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g_assert_cmpint (g_seekable_tell (G_SEEKABLE (mo)), ==, 46);
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g_assert (!g_seekable_seek (G_SEEKABLE (mo), 1, G_SEEK_END, NULL, &error));
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g_assert_error (error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT);
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g_clear_error (&error);
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g_assert_cmpint (g_seekable_tell (G_SEEKABLE (mo)), ==, 46);
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g_assert (g_seekable_seek (G_SEEKABLE (mo), 0, G_SEEK_END, NULL, &error));
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g_assert_no_error (error);
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g_assert_cmpint (g_seekable_tell (G_SEEKABLE (mo)), ==, 100);
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g_assert (g_seekable_seek (G_SEEKABLE (mo), -1, G_SEEK_END, NULL, &error));
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g_assert_no_error (error);
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g_assert_cmpint (g_seekable_tell (G_SEEKABLE (mo)), ==, 99);
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g_object_unref (mo);
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}
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static void
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test_seek_resizable_stream (GOutputStream *mo)
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{
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GError *error;
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g_assert (G_IS_SEEKABLE (mo));
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g_assert (g_seekable_can_seek (G_SEEKABLE (mo)));
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g_assert_cmpint (g_seekable_tell (G_SEEKABLE (mo)), ==, 0);
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error = NULL;
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g_assert (g_seekable_seek (G_SEEKABLE (mo), 222, G_SEEK_CUR, NULL, &error));
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g_assert_no_error (error);
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g_assert_cmpint (g_seekable_tell (G_SEEKABLE (mo)), ==, 222);
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g_assert (g_seekable_seek (G_SEEKABLE (mo), 26, G_SEEK_SET, NULL, &error));
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g_assert_no_error (error);
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g_assert_cmpint (g_seekable_tell (G_SEEKABLE (mo)), ==, 26);
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g_assert (g_seekable_seek (G_SEEKABLE (mo), 20, G_SEEK_CUR, NULL, &error));
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g_assert_cmpint (g_seekable_tell (G_SEEKABLE (mo)), ==, 46);
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g_assert_no_error (error);
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g_assert (g_seekable_seek (G_SEEKABLE (mo), 200, G_SEEK_CUR, NULL, &error));
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g_assert_cmpint (g_seekable_tell (G_SEEKABLE (mo)), ==, 246);
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g_assert_no_error (error);
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g_assert (g_seekable_seek (G_SEEKABLE (mo), 1, G_SEEK_END, NULL, &error));
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g_assert_cmpint (g_seekable_tell (G_SEEKABLE (mo)), ==, 1);
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g_assert_no_error (error);
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g_assert (g_seekable_seek (G_SEEKABLE (mo), 0, G_SEEK_END, NULL, &error));
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g_assert_no_error (error);
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g_assert_cmpint (g_seekable_tell (G_SEEKABLE (mo)), ==, 0);
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/* The 'end' is still zero, so this should fail */
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g_assert (!g_seekable_seek (G_SEEKABLE (mo), -1, G_SEEK_END, NULL, &error));
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g_assert_error (error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT);
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g_clear_error (&error);
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g_assert_cmpint (g_seekable_tell (G_SEEKABLE (mo)), ==, 0);
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}
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static void
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test_seek_resizable (void)
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{
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GOutputStream *mo;
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gint i;
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/* For resizable streams, the initially allocated size is purely an
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* implementation detail. We should not be able to tell the
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* difference based on the seek API, so make a bunch of streams with
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* different sizes and subject them to the same test.
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*/
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for (i = 0; i < 1024; i++)
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{
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mo = g_memory_output_stream_new (g_malloc (i), i, g_realloc, g_free);
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test_seek_resizable_stream (mo);
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g_assert_cmpint (g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mo)), ==, 0);
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/* No writes = no resizes */
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g_assert_cmpint (g_memory_output_stream_get_size (G_MEMORY_OUTPUT_STREAM (mo)), ==, i);
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g_object_unref (mo);
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}
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}
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static void
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test_data_size (void)
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{
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GOutputStream *mo;
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GDataOutputStream *o;
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int pos;
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g_test_bug ("https://bugzilla.gnome.org/show_bug.cgi?id=540459");
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mo = g_memory_output_stream_new_resizable ();
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o = g_data_output_stream_new (mo);
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g_data_output_stream_put_byte (o, 1, NULL, NULL);
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pos = g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mo));
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g_assert_cmpint (pos, ==, 1);
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g_seekable_seek (G_SEEKABLE (mo), 0, G_SEEK_CUR, NULL, NULL);
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pos = g_seekable_tell (G_SEEKABLE (mo));
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g_assert_cmpint (pos, ==, 1);
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g_test_bug ("https://bugzilla.gnome.org/show_bug.cgi?id=540461");
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g_seekable_seek (G_SEEKABLE (mo), 0, G_SEEK_SET, NULL, NULL);
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pos = g_seekable_tell (G_SEEKABLE (mo));
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g_assert_cmpint (pos, ==, 0);
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pos = g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mo));
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g_assert_cmpint (pos, ==, 1);
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g_assert_cmpint (g_memory_output_stream_get_size (G_MEMORY_OUTPUT_STREAM (mo)), ==, 16);
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g_object_unref (o);
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g_object_unref (mo);
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}
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static void
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test_properties (void)
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{
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GOutputStream *mo;
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GDataOutputStream *o;
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int i;
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GError *error = NULL;
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gsize data_size_fun;
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gsize data_size_prop = 0;
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gpointer data_fun;
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gpointer data_prop;
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gpointer func;
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g_test_bug ("https://bugzilla.gnome.org/show_bug.cgi?id=605733");
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mo = (GOutputStream*) g_object_new (G_TYPE_MEMORY_OUTPUT_STREAM,
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"realloc-function", g_realloc,
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"destroy-function", g_free,
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NULL);
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o = g_data_output_stream_new (mo);
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for (i = 0; i < 1000; i++)
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{
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g_data_output_stream_put_byte (o, 1, NULL, &error);
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g_assert_no_error (error);
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}
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data_size_fun = g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mo));
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g_object_get (mo, "data-size", &data_size_prop, NULL);
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g_assert_cmpint (data_size_fun, ==, data_size_prop);
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data_fun = g_memory_output_stream_get_data (G_MEMORY_OUTPUT_STREAM (mo));
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g_object_get (mo, "data", &data_prop, NULL);
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g_assert_cmphex (GPOINTER_TO_SIZE (data_fun), ==, GPOINTER_TO_SIZE (data_prop));
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g_object_get (mo, "realloc-function", &func, NULL);
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g_assert (func == g_realloc);
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g_object_get (mo, "destroy-function", &func, NULL);
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g_assert (func == g_free);
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data_size_fun = g_memory_output_stream_get_size (G_MEMORY_OUTPUT_STREAM (mo));
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g_object_get (mo, "size", &data_size_prop, NULL);
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g_assert_cmpint (data_size_fun, ==, data_size_prop);
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g_object_unref (o);
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g_object_unref (mo);
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}
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static void
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test_write_bytes (void)
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{
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GOutputStream *mo;
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GBytes *bytes, *bytes2;
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GError *error = NULL;
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mo = (GOutputStream*) g_object_new (G_TYPE_MEMORY_OUTPUT_STREAM,
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"realloc-function", g_realloc,
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"destroy-function", g_free,
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NULL);
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bytes = g_bytes_new_static ("hello world!", strlen ("hello world!") + 1);
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g_output_stream_write_bytes (mo, bytes, NULL, &error);
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g_assert_no_error (error);
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g_output_stream_close (mo, NULL, &error);
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g_assert_no_error (error);
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bytes2 = g_memory_output_stream_steal_as_bytes (G_MEMORY_OUTPUT_STREAM (mo));
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g_object_unref (mo);
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g_assert (g_bytes_equal (bytes, bytes2));
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g_bytes_unref (bytes);
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g_bytes_unref (bytes2);
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}
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static void
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test_write_null (void)
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{
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GOutputStream *mo;
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GError *error = NULL;
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gssize bytes_written;
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g_test_bug ("https://gitlab.gnome.org/GNOME/glib/-/issues/2471");
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mo = g_memory_output_stream_new_resizable ();
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g_output_stream_write_all (mo, NULL, 0, NULL, NULL, &error);
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g_assert_no_error (error);
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g_assert_cmpint (0, ==, g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mo)));
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bytes_written = g_output_stream_write (mo, NULL, 0, NULL, &error);
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g_assert_no_error (error);
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g_assert_cmpint (0, ==, bytes_written);
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g_output_stream_close (mo, NULL, &error);
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g_assert_no_error (error);
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g_object_unref (mo);
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}
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/* Test that writev() works on #GMemoryOutputStream with a non-empty set of vectors. This
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* covers the default writev() implementation around write(). */
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static void
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test_writev (void)
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{
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GOutputStream *mo;
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GError *error = NULL;
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gboolean res;
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gsize bytes_written;
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GOutputVector vectors[3];
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const guint8 buffer[] = {1, 2, 3, 4, 5,
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1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
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1, 2, 3};
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guint8 *output_buffer;
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vectors[0].buffer = buffer;
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vectors[0].size = 5;
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vectors[1].buffer = buffer + vectors[0].size;
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vectors[1].size = 12;
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vectors[2].buffer = buffer + vectors[0].size + vectors[1].size;
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vectors[2].size = 3;
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mo = (GOutputStream*) g_object_new (G_TYPE_MEMORY_OUTPUT_STREAM,
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"realloc-function", g_realloc,
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"destroy-function", g_free,
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NULL);
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res = g_output_stream_writev_all (mo, vectors, G_N_ELEMENTS (vectors), &bytes_written, NULL, &error);
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g_assert_no_error (error);
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g_assert_true (res);
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g_assert_cmpuint (bytes_written, ==, sizeof buffer);
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g_output_stream_close (mo, NULL, &error);
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g_assert_no_error (error);
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g_assert_cmpuint (g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mo)), ==, sizeof buffer);
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output_buffer = g_memory_output_stream_get_data (G_MEMORY_OUTPUT_STREAM (mo));
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g_assert_cmpmem (output_buffer, sizeof buffer, buffer, sizeof buffer);
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g_object_unref (mo);
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}
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/* Test that writev_nonblocking() works on #GMemoryOutputStream with a non-empty set of vectors. This
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* covers the default writev_nonblocking() implementation around write_nonblocking(). */
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static void
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test_writev_nonblocking (void)
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{
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GOutputStream *mo;
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GError *error = NULL;
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gboolean res;
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gsize bytes_written;
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GOutputVector vectors[3];
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const guint8 buffer[] = {1, 2, 3, 4, 5,
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1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
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1, 2, 3};
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guint8 *output_buffer;
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vectors[0].buffer = buffer;
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vectors[0].size = 5;
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vectors[1].buffer = buffer + vectors[0].size;
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vectors[1].size = 12;
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vectors[2].buffer = buffer + vectors[0].size + vectors[1].size;
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vectors[2].size = 3;
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mo = (GOutputStream*) g_object_new (G_TYPE_MEMORY_OUTPUT_STREAM,
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"realloc-function", g_realloc,
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"destroy-function", g_free,
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NULL);
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res = g_pollable_output_stream_writev_nonblocking (G_POLLABLE_OUTPUT_STREAM (mo),
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vectors, G_N_ELEMENTS (vectors),
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&bytes_written, NULL, &error);
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g_assert_no_error (error);
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g_assert_cmpint (res, ==, G_POLLABLE_RETURN_OK);
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g_assert_cmpuint (bytes_written, ==, sizeof buffer);
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g_output_stream_close (mo, NULL, &error);
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g_assert_no_error (error);
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g_assert_cmpuint (g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (mo)), ==, sizeof buffer);
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output_buffer = g_memory_output_stream_get_data (G_MEMORY_OUTPUT_STREAM (mo));
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g_assert_cmpmem (output_buffer, sizeof buffer, buffer, sizeof buffer);
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g_object_unref (mo);
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}
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static void
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test_steal_as_bytes (void)
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{
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GOutputStream *mo;
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GDataOutputStream *o;
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GError *error = NULL;
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GBytes *bytes;
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gsize size;
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mo = (GOutputStream*) g_object_new (G_TYPE_MEMORY_OUTPUT_STREAM,
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"realloc-function", g_realloc,
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"destroy-function", g_free,
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NULL);
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o = g_data_output_stream_new (mo);
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g_data_output_stream_put_string (o, "hello ", NULL, &error);
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g_assert_no_error (error);
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g_data_output_stream_put_string (o, "world!", NULL, &error);
|
|
g_assert_no_error (error);
|
|
|
|
g_data_output_stream_put_byte (o, '\0', NULL, &error);
|
|
g_assert_no_error (error);
|
|
|
|
g_output_stream_close ((GOutputStream*) o, NULL, &error);
|
|
g_assert_no_error (error);
|
|
|
|
bytes = g_memory_output_stream_steal_as_bytes ((GMemoryOutputStream*)mo);
|
|
g_object_unref (mo);
|
|
|
|
g_assert_cmpint (g_bytes_get_size (bytes), ==, strlen ("hello world!") + 1);
|
|
g_assert_cmpstr (g_bytes_get_data (bytes, &size), ==, "hello world!");
|
|
|
|
g_bytes_unref (bytes);
|
|
g_object_unref (o);
|
|
}
|
|
|
|
int
|
|
main (int argc,
|
|
char *argv[])
|
|
{
|
|
g_test_init (&argc, &argv, NULL);
|
|
|
|
g_test_add_func ("/memory-output-stream/truncate", test_truncate);
|
|
g_test_add_func ("/memory-output-stream/seek/fixed", test_seek_fixed);
|
|
g_test_add_func ("/memory-output-stream/seek/resizable", test_seek_resizable);
|
|
g_test_add_func ("/memory-output-stream/get-data-size", test_data_size);
|
|
g_test_add_func ("/memory-output-stream/properties", test_properties);
|
|
g_test_add_func ("/memory-output-stream/write-bytes", test_write_bytes);
|
|
g_test_add_func ("/memory-output-stream/write-null", test_write_null);
|
|
g_test_add_func ("/memory-output-stream/writev", test_writev);
|
|
g_test_add_func ("/memory-output-stream/writev_nonblocking", test_writev_nonblocking);
|
|
g_test_add_func ("/memory-output-stream/steal_as_bytes", test_steal_as_bytes);
|
|
|
|
return g_test_run();
|
|
}
|