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cc4de801c9
The existing implementation was completely incorrect (despite the fix in
commit 566e64a66) — it always compared GVariants by pointer, rather than
by value.
Reimplement it to compare them by value where possible, depending on
their type. The core of this implementation is g_variant_compare(). See
the documentation and tests for further details of the new sort order.
This adds documentation and tests.
Signed-off-by: Philip Withnall <withnall@endlessm.com>
https://bugzilla.gnome.org/show_bug.cgi?id=795735
367 lines
11 KiB
C
367 lines
11 KiB
C
/* GLIB - Library of useful routines for C programming
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* Modified by the GLib Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GLib Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GLib at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#undef G_DISABLE_ASSERT
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#undef G_LOG_DOMAIN
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#include <string.h>
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#include <glib.h>
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#include <glib-object.h>
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static void
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test_param_spec_char (void)
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{
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GParamSpec *pspec;
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GValue value = G_VALUE_INIT;
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gboolean modified;
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pspec = g_param_spec_char ("char", "nick", "blurb",
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20, 40, 30, G_PARAM_READWRITE);
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g_assert (strcmp (g_param_spec_get_name (pspec), "char") == 0);
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g_assert (strcmp (g_param_spec_get_nick (pspec), "nick") == 0);
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g_assert (strcmp (g_param_spec_get_blurb (pspec), "blurb") == 0);
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g_value_init (&value, G_TYPE_CHAR);
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g_value_set_char (&value, 30);
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g_assert (g_param_value_defaults (pspec, &value));
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g_value_set_char (&value, 0);
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modified = g_param_value_validate (pspec, &value);
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g_assert (modified && g_value_get_char (&value) == 20);
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g_value_set_char (&value, 20);
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modified = g_param_value_validate (pspec, &value);
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g_assert (!modified && g_value_get_char (&value) == 20);
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g_value_set_char (&value, 40);
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modified = g_param_value_validate (pspec, &value);
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g_assert (!modified && g_value_get_char (&value) == 40);
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g_value_set_char (&value, 60);
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modified = g_param_value_validate (pspec, &value);
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g_assert (modified && g_value_get_char (&value) == 40);
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g_value_set_schar (&value, 0);
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modified = g_param_value_validate (pspec, &value);
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g_assert (modified && g_value_get_schar (&value) == 20);
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g_value_set_schar (&value, 20);
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modified = g_param_value_validate (pspec, &value);
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g_assert (!modified && g_value_get_schar (&value) == 20);
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g_value_set_schar (&value, 40);
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modified = g_param_value_validate (pspec, &value);
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g_assert (!modified && g_value_get_schar (&value) == 40);
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g_value_set_schar (&value, 60);
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modified = g_param_value_validate (pspec, &value);
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g_assert (modified && g_value_get_schar (&value) == 40);
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g_param_spec_unref (pspec);
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}
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static void
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test_param_spec_string (void)
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{
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GParamSpec *pspec;
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GValue value = G_VALUE_INIT;
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gboolean modified;
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pspec = g_param_spec_string ("string", "nick", "blurb",
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NULL, G_PARAM_READWRITE);
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g_value_init (&value, G_TYPE_STRING);
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g_value_set_string (&value, "foobar");
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modified = g_param_value_validate (pspec, &value);
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g_assert (!modified);
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g_value_set_string (&value, "");
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modified = g_param_value_validate (pspec, &value);
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g_assert (!modified && g_value_get_string (&value) != NULL);
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/* test ensure_non_null */
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G_PARAM_SPEC_STRING (pspec)->ensure_non_null = TRUE;
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g_value_set_string (&value, NULL);
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modified = g_param_value_validate (pspec, &value);
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g_assert (modified && g_value_get_string (&value) != NULL);
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G_PARAM_SPEC_STRING (pspec)->ensure_non_null = FALSE;
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/* test null_fold_if_empty */
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G_PARAM_SPEC_STRING (pspec)->null_fold_if_empty = TRUE;
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g_value_set_string (&value, "");
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modified = g_param_value_validate (pspec, &value);
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g_assert (modified && g_value_get_string (&value) == NULL);
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g_value_set_static_string (&value, "");
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modified = g_param_value_validate (pspec, &value);
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g_assert (modified && g_value_get_string (&value) == NULL);
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G_PARAM_SPEC_STRING (pspec)->null_fold_if_empty = FALSE;
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/* test cset_first */
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G_PARAM_SPEC_STRING (pspec)->cset_first = g_strdup ("abc");
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G_PARAM_SPEC_STRING (pspec)->substitutor = '-';
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g_value_set_string (&value, "ABC");
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modified = g_param_value_validate (pspec, &value);
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g_assert (modified && g_value_get_string (&value)[0] == '-');
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g_value_set_static_string (&value, "ABC");
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modified = g_param_value_validate (pspec, &value);
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g_assert (modified && g_value_get_string (&value)[0] == '-');
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/* test cset_nth */
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G_PARAM_SPEC_STRING (pspec)->cset_nth = g_strdup ("abc");
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g_value_set_string (&value, "aBC");
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modified = g_param_value_validate (pspec, &value);
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g_assert (modified && g_value_get_string (&value)[1] == '-');
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g_value_set_static_string (&value, "aBC");
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modified = g_param_value_validate (pspec, &value);
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g_assert (modified && g_value_get_string (&value)[1] == '-');
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g_value_unset (&value);
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g_param_spec_unref (pspec);
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}
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static void
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test_param_spec_override (void)
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{
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GParamSpec *ospec, *pspec;
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GValue value = G_VALUE_INIT;
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gboolean modified;
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ospec = g_param_spec_char ("char", "nick", "blurb",
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20, 40, 30, G_PARAM_READWRITE);
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pspec = g_param_spec_override ("override", ospec);
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g_assert (strcmp (g_param_spec_get_name (pspec), "override") == 0);
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g_assert (strcmp (g_param_spec_get_nick (pspec), "nick") == 0);
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g_assert (strcmp (g_param_spec_get_blurb (pspec), "blurb") == 0);
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g_value_init (&value, G_TYPE_CHAR);
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g_value_set_char (&value, 30);
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g_assert (g_param_value_defaults (pspec, &value));
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g_value_set_char (&value, 0);
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modified = g_param_value_validate (pspec, &value);
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g_assert (modified && g_value_get_char (&value) == 20);
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g_value_set_char (&value, 20);
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modified = g_param_value_validate (pspec, &value);
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g_assert (!modified && g_value_get_char (&value) == 20);
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g_value_set_char (&value, 40);
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modified = g_param_value_validate (pspec, &value);
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g_assert (!modified && g_value_get_char (&value) == 40);
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g_value_set_char (&value, 60);
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modified = g_param_value_validate (pspec, &value);
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g_assert (modified && g_value_get_char (&value) == 40);
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g_param_spec_unref (pspec);
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g_param_spec_unref (ospec);
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}
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static void
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test_param_spec_gtype (void)
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{
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GParamSpec *pspec;
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GValue value = G_VALUE_INIT;
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gboolean modified;
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pspec = g_param_spec_gtype ("gtype", "nick", "blurb",
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G_TYPE_PARAM, G_PARAM_READWRITE);
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g_value_init (&value, G_TYPE_GTYPE);
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g_value_set_gtype (&value, G_TYPE_PARAM);
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g_assert (g_param_value_defaults (pspec, &value));
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g_value_set_gtype (&value, G_TYPE_INT);
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modified = g_param_value_validate (pspec, &value);
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g_assert (modified && g_value_get_gtype (&value) == G_TYPE_PARAM);
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g_value_set_gtype (&value, G_TYPE_PARAM_INT);
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modified = g_param_value_validate (pspec, &value);
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g_assert (!modified && g_value_get_gtype (&value) == G_TYPE_PARAM_INT);
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g_param_spec_unref (pspec);
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}
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static void
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test_param_spec_variant (void)
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{
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GParamSpec *pspec;
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GValue value = G_VALUE_INIT;
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GValue value2 = G_VALUE_INIT;
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GValue value3 = G_VALUE_INIT;
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GValue value4 = G_VALUE_INIT;
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GValue value5 = G_VALUE_INIT;
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gboolean modified;
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pspec = g_param_spec_variant ("variant", "nick", "blurb",
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G_VARIANT_TYPE ("i"),
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g_variant_new_int32 (42),
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G_PARAM_READWRITE);
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g_value_init (&value, G_TYPE_VARIANT);
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g_value_set_variant (&value, g_variant_new_int32 (42));
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g_value_init (&value2, G_TYPE_VARIANT);
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g_value_set_variant (&value2, g_variant_new_int32 (43));
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g_value_init (&value3, G_TYPE_VARIANT);
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g_value_set_variant (&value3, g_variant_new_int16 (42));
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g_value_init (&value4, G_TYPE_VARIANT);
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g_value_set_variant (&value4, g_variant_new_parsed ("[@u 15, @u 10]"));
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g_value_init (&value5, G_TYPE_VARIANT);
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g_value_set_variant (&value5, NULL);
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g_assert_true (g_param_value_defaults (pspec, &value));
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g_assert_false (g_param_value_defaults (pspec, &value2));
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g_assert_false (g_param_value_defaults (pspec, &value3));
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g_assert_false (g_param_value_defaults (pspec, &value4));
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g_assert_false (g_param_value_defaults (pspec, &value5));
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modified = g_param_value_validate (pspec, &value);
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g_assert_false (modified);
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g_value_reset (&value);
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g_value_set_variant (&value, g_variant_new_uint32 (41));
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modified = g_param_value_validate (pspec, &value);
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g_assert_true (modified);
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g_assert_cmpint (g_variant_get_int32 (g_value_get_variant (&value)), ==, 42);
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g_value_unset (&value);
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g_value_unset (&value5);
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g_value_unset (&value4);
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g_value_unset (&value3);
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g_value_unset (&value2);
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g_param_spec_unref (pspec);
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}
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/* Test g_param_values_cmp() for #GParamSpecVariant. */
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static void
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test_param_spec_variant_cmp (void)
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{
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const struct
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{
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const GVariantType *pspec_type;
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const gchar *v1;
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enum
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{
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LESS_THAN = -1,
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EQUAL = 0,
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GREATER_THAN = 1,
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NOT_EQUAL,
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} expected_result;
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const gchar *v2;
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}
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vectors[] =
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{
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{ G_VARIANT_TYPE ("i"), "@i 1", LESS_THAN, "@i 2" },
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{ G_VARIANT_TYPE ("i"), "@i 2", EQUAL, "@i 2" },
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{ G_VARIANT_TYPE ("i"), "@i 3", GREATER_THAN, "@i 2" },
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{ G_VARIANT_TYPE ("i"), NULL, LESS_THAN, "@i 2" },
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{ G_VARIANT_TYPE ("i"), NULL, EQUAL, NULL },
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{ G_VARIANT_TYPE ("i"), "@i 1", GREATER_THAN, NULL },
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{ G_VARIANT_TYPE ("i"), "@u 1", LESS_THAN, "@u 2" },
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{ G_VARIANT_TYPE ("i"), "@as ['hi']", NOT_EQUAL, "@u 2" },
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{ G_VARIANT_TYPE ("i"), "@as ['hi']", NOT_EQUAL, "@as ['there']" },
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{ G_VARIANT_TYPE ("i"), "@as ['hi']", EQUAL, "@as ['hi']" },
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};
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gsize i;
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for (i = 0; i < G_N_ELEMENTS (vectors); i++)
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{
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GParamSpec *pspec;
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GValue v1 = G_VALUE_INIT;
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GValue v2 = G_VALUE_INIT;
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gint cmp;
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pspec = g_param_spec_variant ("variant", "nick", "blurb",
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vectors[i].pspec_type,
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NULL,
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G_PARAM_READWRITE);
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g_value_init (&v1, G_TYPE_VARIANT);
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g_value_set_variant (&v1, (vectors[i].v1 != NULL) ? g_variant_new_parsed (vectors[i].v1) : NULL);
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g_value_init (&v2, G_TYPE_VARIANT);
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g_value_set_variant (&v2, (vectors[i].v2 != NULL) ? g_variant_new_parsed (vectors[i].v2) : NULL);
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cmp = g_param_values_cmp (pspec, &v1, &v2);
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switch (vectors[i].expected_result)
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{
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case LESS_THAN:
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case EQUAL:
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case GREATER_THAN:
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g_assert_cmpint (cmp, ==, vectors[i].expected_result);
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break;
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case NOT_EQUAL:
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g_assert_cmpint (cmp, !=, 0);
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break;
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default:
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g_assert_not_reached ();
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}
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g_value_unset (&v2);
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g_value_unset (&v1);
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g_param_spec_unref (pspec);
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}
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}
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int
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main (int argc, char *argv[])
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{
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g_test_init (&argc, &argv, NULL);
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g_test_add_func ("/paramspec/char", test_param_spec_char);
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g_test_add_func ("/paramspec/string", test_param_spec_string);
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g_test_add_func ("/paramspec/override", test_param_spec_override);
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g_test_add_func ("/paramspec/gtype", test_param_spec_gtype);
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g_test_add_func ("/paramspec/variant", test_param_spec_variant);
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g_test_add_func ("/paramspec/variant/cmp", test_param_spec_variant_cmp);
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return g_test_run ();
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}
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