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-rw-r--r--src/core/testboxes.c1416
1 files changed, 1416 insertions, 0 deletions
diff --git a/src/core/testboxes.c b/src/core/testboxes.c
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+++ b/src/core/testboxes.c
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+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+/* Marco box operation testing program */
+
+/*
+ * Copyright (C) 2005 Elijah Newren
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+#include "boxes.h"
+#include <glib.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <X11/Xutil.h> /* Just for the definition of the various gravities */
+#include <time.h> /* To initialize random seed */
+
+#define NUM_RANDOM_RUNS 10000
+
+static void
+init_random_ness ()
+{
+ srand(time(NULL));
+}
+
+static void
+get_random_rect (MetaRectangle *rect)
+{
+ rect->x = rand () % 1600;
+ rect->y = rand () % 1200;
+ rect->width = rand () % 1600 + 1;
+ rect->height = rand () % 1200 + 1;
+}
+
+static MetaRectangle*
+new_meta_rect (int x, int y, int width, int height)
+{
+ MetaRectangle* temporary;
+ temporary = g_new (MetaRectangle, 1);
+ temporary->x = x;
+ temporary->y = y;
+ temporary->width = width;
+ temporary->height = height;
+
+ return temporary;
+}
+
+static MetaStrut*
+new_meta_strut (int x, int y, int width, int height, int side)
+{
+ MetaStrut* temporary;
+ temporary = g_new (MetaStrut, 1);
+ temporary->rect = meta_rect(x, y, width, height);
+ temporary->side = side;
+
+ return temporary;
+}
+
+static MetaEdge*
+new_screen_edge (int x, int y, int width, int height, int side_type)
+{
+ MetaEdge* temporary;
+ temporary = g_new (MetaEdge, 1);
+ temporary->rect.x = x;
+ temporary->rect.y = y;
+ temporary->rect.width = width;
+ temporary->rect.height = height;
+ temporary->side_type = side_type;
+ temporary->edge_type = META_EDGE_SCREEN;
+
+ return temporary;
+}
+
+static MetaEdge*
+new_xinerama_edge (int x, int y, int width, int height, int side_type)
+{
+ MetaEdge* temporary;
+ temporary = g_new (MetaEdge, 1);
+ temporary->rect.x = x;
+ temporary->rect.y = y;
+ temporary->rect.width = width;
+ temporary->rect.height = height;
+ temporary->side_type = side_type;
+ temporary->edge_type = META_EDGE_XINERAMA;
+
+ return temporary;
+}
+
+static void
+test_area ()
+{
+ MetaRectangle temp;
+ int i;
+ for (i = 0; i < NUM_RANDOM_RUNS; i++)
+ {
+ get_random_rect (&temp);
+ g_assert (meta_rectangle_area (&temp) == temp.width * temp.height);
+ }
+
+ temp = meta_rect (0, 0, 5, 7);
+ g_assert (meta_rectangle_area (&temp) == 35);
+
+ printf ("%s passed.\n", G_STRFUNC);
+}
+
+static void
+test_intersect ()
+{
+ MetaRectangle a = {100, 200, 50, 40};
+ MetaRectangle b = { 0, 50, 110, 152};
+ MetaRectangle c = { 0, 0, 10, 10};
+ MetaRectangle d = {100, 100, 50, 50};
+ MetaRectangle b_intersect_d = {100, 100, 10, 50};
+ MetaRectangle temp;
+ MetaRectangle temp2;
+
+ meta_rectangle_intersect (&a, &b, &temp);
+ temp2 = meta_rect (100, 200, 10, 2);
+ g_assert (meta_rectangle_equal (&temp, &temp2));
+ g_assert (meta_rectangle_area (&temp) == 20);
+
+ meta_rectangle_intersect (&a, &c, &temp);
+ g_assert (meta_rectangle_area (&temp) == 0);
+
+ meta_rectangle_intersect (&a, &d, &temp);
+ g_assert (meta_rectangle_area (&temp) == 0);
+
+ meta_rectangle_intersect (&b, &d, &b);
+ g_assert (meta_rectangle_equal (&b, &b_intersect_d));
+
+ printf ("%s passed.\n", G_STRFUNC);
+}
+
+static void
+test_equal ()
+{
+ MetaRectangle a = {10, 12, 4, 18};
+ MetaRectangle b = a;
+ MetaRectangle c = {10, 12, 4, 19};
+ MetaRectangle d = {10, 12, 7, 18};
+ MetaRectangle e = {10, 62, 4, 18};
+ MetaRectangle f = {27, 12, 4, 18};
+
+ g_assert ( meta_rectangle_equal (&a, &b));
+ g_assert (!meta_rectangle_equal (&a, &c));
+ g_assert (!meta_rectangle_equal (&a, &d));
+ g_assert (!meta_rectangle_equal (&a, &e));
+ g_assert (!meta_rectangle_equal (&a, &f));
+
+ printf ("%s passed.\n", G_STRFUNC);
+}
+
+static void
+test_overlap_funcs ()
+{
+ MetaRectangle temp1, temp2;
+ int i;
+ for (i = 0; i < NUM_RANDOM_RUNS; i++)
+ {
+ get_random_rect (&temp1);
+ get_random_rect (&temp2);
+ g_assert (meta_rectangle_overlap (&temp1, &temp2) ==
+ (meta_rectangle_horiz_overlap (&temp1, &temp2) &&
+ meta_rectangle_vert_overlap (&temp1, &temp2)));
+ }
+
+ temp1 = meta_rect ( 0, 0, 10, 10);
+ temp2 = meta_rect (20, 0, 10, 5);
+ g_assert (!meta_rectangle_overlap (&temp1, &temp2));
+ g_assert (!meta_rectangle_horiz_overlap (&temp1, &temp2));
+ g_assert ( meta_rectangle_vert_overlap (&temp1, &temp2));
+
+ printf ("%s passed.\n", G_STRFUNC);
+}
+
+static void
+test_basic_fitting ()
+{
+ MetaRectangle temp1, temp2, temp3;
+ int i;
+ /* Four cases:
+ * case temp1 fits temp2 temp1 could fit temp2
+ * 1 Y Y
+ * 2 N Y
+ * 3 Y N
+ * 4 N N
+ * Of the four cases, case 3 is impossible. An alternate way of looking
+ * at this table is that either the middle column must be no, or the last
+ * column must be yes. So we test that. Also, we can repeat the test
+ * reversing temp1 and temp2.
+ */
+ for (i = 0; i < NUM_RANDOM_RUNS; i++)
+ {
+ get_random_rect (&temp1);
+ get_random_rect (&temp2);
+ g_assert (meta_rectangle_contains_rect (&temp1, &temp2) == FALSE ||
+ meta_rectangle_could_fit_rect (&temp1, &temp2) == TRUE);
+ g_assert (meta_rectangle_contains_rect (&temp2, &temp1) == FALSE ||
+ meta_rectangle_could_fit_rect (&temp2, &temp1) == TRUE);
+ }
+
+ temp1 = meta_rect ( 0, 0, 10, 10);
+ temp2 = meta_rect ( 5, 5, 5, 5);
+ temp3 = meta_rect ( 8, 2, 3, 7);
+ g_assert ( meta_rectangle_contains_rect (&temp1, &temp2));
+ g_assert (!meta_rectangle_contains_rect (&temp2, &temp1));
+ g_assert (!meta_rectangle_contains_rect (&temp1, &temp3));
+ g_assert ( meta_rectangle_could_fit_rect (&temp1, &temp3));
+ g_assert (!meta_rectangle_could_fit_rect (&temp3, &temp2));
+
+ printf ("%s passed.\n", G_STRFUNC);
+}
+
+static void
+free_strut_list (GSList *struts)
+{
+ GSList *tmp = struts;
+ while (tmp)
+ {
+ g_free (tmp->data);
+ tmp = tmp->next;
+ }
+ g_slist_free (struts);
+}
+
+static GSList*
+get_strut_list (int which)
+{
+ GSList *ans;
+ MetaDirection wc = 0; /* wc == who cares? ;-) */
+
+ ans = NULL;
+
+ g_assert (which >=0 && which <= 6);
+ switch (which)
+ {
+ case 0:
+ break;
+ case 1:
+ ans = g_slist_prepend (ans, new_meta_strut ( 0, 0, 1600, 20, wc));
+ ans = g_slist_prepend (ans, new_meta_strut ( 400, 1160, 1600, 40, wc));
+ break;
+ case 2:
+ ans = g_slist_prepend (ans, new_meta_strut ( 0, 0, 1600, 20, wc));
+ ans = g_slist_prepend (ans, new_meta_strut ( 800, 1100, 400, 100, wc));
+ ans = g_slist_prepend (ans, new_meta_strut ( 300, 1150, 150, 50, wc));
+ break;
+ case 3:
+ ans = g_slist_prepend (ans, new_meta_strut ( 0, 0, 1600, 20, wc));
+ ans = g_slist_prepend (ans, new_meta_strut ( 800, 1100, 400, 100, wc));
+ ans = g_slist_prepend (ans, new_meta_strut ( 300, 1150, 80, 50, wc));
+ ans = g_slist_prepend (ans, new_meta_strut ( 700, 525, 200, 150, wc));
+ break;
+ case 4:
+ ans = g_slist_prepend (ans, new_meta_strut ( 0, 0, 800, 1200, wc));
+ ans = g_slist_prepend (ans, new_meta_strut ( 800, 0, 1600, 20, wc));
+ break;
+ case 5:
+ ans = g_slist_prepend (ans, new_meta_strut ( 800, 0, 1600, 20, wc));
+ ans = g_slist_prepend (ans, new_meta_strut ( 0, 0, 800, 1200, wc));
+ ans = g_slist_prepend (ans, new_meta_strut ( 800, 10, 800, 1200, wc));
+ break;
+ case 6:
+ ans = g_slist_prepend (ans, new_meta_strut ( 0, 0, 1600, 40, wc));
+ ans = g_slist_prepend (ans, new_meta_strut ( 0, 0, 1600, 20, wc));
+ break;
+ }
+
+ return ans;
+}
+
+static GList*
+get_screen_region (int which)
+{
+ GList *ret;
+ GSList *struts;
+ MetaRectangle basic_rect;
+
+ basic_rect = meta_rect (0, 0, 1600, 1200);
+ ret = NULL;
+
+ struts = get_strut_list (which);
+ ret = meta_rectangle_get_minimal_spanning_set_for_region (&basic_rect, struts);
+ free_strut_list (struts);
+
+ return ret;
+}
+
+static GList*
+get_screen_edges (int which)
+{
+ GList *ret;
+ GSList *struts;
+ MetaRectangle basic_rect;
+
+ basic_rect = meta_rect (0, 0, 1600, 1200);
+ ret = NULL;
+
+ struts = get_strut_list (which);
+ ret = meta_rectangle_find_onscreen_edges (&basic_rect, struts);
+ free_strut_list (struts);
+
+ return ret;
+}
+
+static GList*
+get_xinerama_edges (int which_xinerama_set, int which_strut_set)
+{
+ GList *ret;
+ GSList *struts;
+ GList *xins;
+
+ xins = NULL;
+ g_assert (which_xinerama_set >=0 && which_xinerama_set <= 3);
+ switch (which_xinerama_set)
+ {
+ case 0:
+ xins = g_list_prepend (xins, new_meta_rect ( 0, 0, 1600, 1200));
+ break;
+ case 1:
+ xins = g_list_prepend (xins, new_meta_rect ( 0, 0, 800, 1200));
+ xins = g_list_prepend (xins, new_meta_rect (800, 0, 800, 1200));
+ break;
+ case 2:
+ xins = g_list_prepend (xins, new_meta_rect ( 0, 0, 1600, 600));
+ xins = g_list_prepend (xins, new_meta_rect ( 0, 600, 1600, 600));
+ break;
+ case 3:
+ xins = g_list_prepend (xins, new_meta_rect ( 0, 0, 1600, 600));
+ xins = g_list_prepend (xins, new_meta_rect ( 0, 600, 800, 600));
+ xins = g_list_prepend (xins, new_meta_rect (800, 600, 800, 600));
+ break;
+ }
+
+ ret = NULL;
+
+ struts = get_strut_list (which_strut_set);
+ ret = meta_rectangle_find_nonintersected_xinerama_edges (xins, struts);
+
+ free_strut_list (struts);
+ meta_rectangle_free_list_and_elements (xins);
+
+ return ret;
+}
+
+#if 0
+static void
+test_merge_regions ()
+{
+ /* logarithmically distributed random number of struts (range?)
+ * logarithmically distributed random size of struts (up to screen size???)
+ * uniformly distributed location of center of struts (within screen)
+ * merge all regions that are possible
+ * print stats on problem setup
+ * number of (non-completely-occluded?) struts
+ * percentage of screen covered
+ * length of resulting non-minimal spanning set
+ * length of resulting minimal spanning set
+ * print stats on merged regions:
+ * number boxes merged
+ * number of those merges that were of the form A contains B
+ * number of those merges that were of the form A partially contains B
+ * number of those merges that were of the form A is adjacent to B
+ */
+
+ GList* region;
+ GList* compare;
+ int num_contains, num_merged, num_part_contains, num_adjacent;
+
+ num_contains = num_merged = num_part_contains = num_adjacent = 0;
+ compare = region = get_screen_region (2);
+ g_assert (region);
+
+ printf ("Merging stats:\n");
+ printf (" Length of initial list: %d\n", g_list_length (region));
+#ifdef PRINT_DEBUG
+ char rect1[RECT_LENGTH], rect2[RECT_LENGTH];
+ char region_list[(RECT_LENGTH + 2) * g_list_length (region)];
+ meta_rectangle_region_to_string (region, ", ", region_list);
+ printf (" Initial rectangles: %s\n", region_list);
+#endif
+
+ while (compare && compare->next)
+ {
+ MetaRectangle *a = compare->data;
+ GList *other = compare->next;
+
+ g_assert (a->width > 0 && a->height > 0);
+
+ while (other)
+ {
+ MetaRectangle *b = other->data;
+ GList *delete_me = NULL;
+
+ g_assert (b->width > 0 && b->height > 0);
+
+#ifdef PRINT_DEBUG
+ printf (" -- Comparing %s to %s --\n",
+ meta_rectangle_to_string (a, rect1),
+ meta_rectangle_to_string (b, rect2));
+#endif
+
+ /* If a contains b, just remove b */
+ if (meta_rectangle_contains_rect (a, b))
+ {
+ delete_me = other;
+ num_contains++;
+ num_merged++;
+ }
+ /* If b contains a, just remove a */
+ else if (meta_rectangle_contains_rect (a, b))
+ {
+ delete_me = compare;
+ num_contains++;
+ num_merged++;
+ }
+ /* If a and b might be mergeable horizontally */
+ else if (a->y == b->y && a->height == b->height)
+ {
+ /* If a and b overlap */
+ if (meta_rectangle_overlap (a, b))
+ {
+ int new_x = MIN (a->x, b->x);
+ a->width = MAX (a->x + a->width, b->x + b->width) - new_x;
+ a->x = new_x;
+ delete_me = other;
+ num_part_contains++;
+ num_merged++;
+ }
+ /* If a and b are adjacent */
+ else if (a->x + a->width == b->x || a->x == b->x + b->width)
+ {
+ int new_x = MIN (a->x, b->x);
+ a->width = MAX (a->x + a->width, b->x + b->width) - new_x;
+ a->x = new_x;
+ delete_me = other;
+ num_adjacent++;
+ num_merged++;
+ }
+ }
+ /* If a and b might be mergeable vertically */
+ else if (a->x == b->x && a->width == b->width)
+ {
+ /* If a and b overlap */
+ if (meta_rectangle_overlap (a, b))
+ {
+ int new_y = MIN (a->y, b->y);
+ a->height = MAX (a->y + a->height, b->y + b->height) - new_y;
+ a->y = new_y;
+ delete_me = other;
+ num_part_contains++;
+ num_merged++;
+ }
+ /* If a and b are adjacent */
+ else if (a->y + a->height == b->y || a->y == b->y + b->height)
+ {
+ int new_y = MIN (a->y, b->y);
+ a->height = MAX (a->y + a->height, b->y + b->height) - new_y;
+ a->y = new_y;
+ delete_me = other;
+ num_adjacent++;
+ num_merged++;
+ }
+ }
+
+ other = other->next;
+
+ /* Delete any rectangle in the list that is no longer wanted */
+ if (delete_me != NULL)
+ {
+#ifdef PRINT_DEBUG
+ MetaRectangle *bla = delete_me->data;
+ printf (" Deleting rect %s\n",
+ meta_rectangle_to_string (bla, rect1));
+#endif
+
+ /* Deleting the rect we're compare others to is a little tricker */
+ if (compare == delete_me)
+ {
+ compare = compare->next;
+ other = compare->next;
+ a = compare->data;
+ }
+
+ /* Okay, we can free it now */
+ g_free (delete_me->data);
+ region = g_list_delete_link (region, delete_me);
+ }
+
+#ifdef PRINT_DEBUG
+ char region_list[(RECT_LENGTH + 2) * g_list_length (region)];
+ meta_rectangle_region_to_string (region, ", ", region_list);
+ printf (" After comparison, new list is: %s\n", region_list);
+#endif
+ }
+
+ compare = compare->next;
+ }
+
+ printf (" Num rectangles contained in others : %d\n",
+ num_contains);
+ printf (" Num rectangles partially contained in others: %d\n",
+ num_part_contains);
+ printf (" Num rectangles adjacent to others : %d\n",
+ num_adjacent);
+ printf (" Num rectangles merged with others : %d\n",
+ num_merged);
+#ifdef PRINT_DEBUG
+ char region_list2[(RECT_LENGTH + 2) * g_list_length (region)];
+ meta_rectangle_region_to_string (region, ", ", region_list2);
+ printf (" Final rectangles: %s\n", region_list2);
+#endif
+
+ meta_rectangle_free_spanning_set (region);
+ region = NULL;
+
+ printf ("%s passed.\n", G_STRFUNC);
+}
+#endif
+
+static void
+verify_lists_are_equal (GList *code, GList *answer)
+{
+ int which = 0;
+
+ while (code && answer)
+ {
+ MetaRectangle *a = code->data;
+ MetaRectangle *b = answer->data;
+
+ if (a->x != b->x ||
+ a->y != b->y ||
+ a->width != b->width ||
+ a->height != b->height)
+ {
+ g_error ("%dth item in code answer answer lists do not match; "
+ "code rect: %d,%d + %d,%d; answer rect: %d,%d + %d,%d\n",
+ which,
+ a->x, a->y, a->width, a->height,
+ b->x, b->y, b->width, b->height);
+ }
+
+ code = code->next;
+ answer = answer->next;
+
+ which++;
+ }
+
+ /* Ought to be at the end of both lists; check if we aren't */
+ if (code)
+ {
+ MetaRectangle *tmp = code->data;
+ g_error ("code list longer than answer list by %d items; "
+ "first extra item: %d,%d +%d,%d\n",
+ g_list_length (code),
+ tmp->x, tmp->y, tmp->width, tmp->height);
+ }
+
+ if (answer)
+ {
+ MetaRectangle *tmp = answer->data;
+ g_error ("answer list longer than code list by %d items; "
+ "first extra item: %d,%d +%d,%d\n",
+ g_list_length (answer),
+ tmp->x, tmp->y, tmp->width, tmp->height);
+ }
+}
+
+static void
+test_regions_okay ()
+{
+ GList* region;
+ GList* tmp;
+
+ /*************************************************************/
+ /* Make sure test region 0 has the right spanning rectangles */
+ /*************************************************************/
+ region = get_screen_region (0);
+ tmp = NULL;
+ tmp = g_list_prepend (tmp, new_meta_rect (0, 0, 1600, 1200));
+ verify_lists_are_equal (region, tmp);
+ meta_rectangle_free_list_and_elements (tmp);
+ meta_rectangle_free_list_and_elements (region);
+
+ /*************************************************************/
+ /* Make sure test region 1 has the right spanning rectangles */
+ /*************************************************************/
+ region = get_screen_region (1);
+ tmp = NULL;
+ tmp = g_list_prepend (tmp, new_meta_rect (0, 20, 400, 1180));
+ tmp = g_list_prepend (tmp, new_meta_rect (0, 20, 1600, 1140));
+ verify_lists_are_equal (region, tmp);
+ meta_rectangle_free_list_and_elements (tmp);
+ meta_rectangle_free_list_and_elements (region);
+
+ /*************************************************************/
+ /* Make sure test region 2 has the right spanning rectangles */
+ /*************************************************************/
+ region = get_screen_region (2);
+ tmp = NULL;
+ tmp = g_list_prepend (tmp, new_meta_rect ( 0, 20, 300, 1180));
+ tmp = g_list_prepend (tmp, new_meta_rect ( 450, 20, 350, 1180));
+ tmp = g_list_prepend (tmp, new_meta_rect (1200, 20, 400, 1180));
+ tmp = g_list_prepend (tmp, new_meta_rect ( 0, 20, 800, 1130));
+ tmp = g_list_prepend (tmp, new_meta_rect ( 0, 20, 1600, 1080));
+ verify_lists_are_equal (region, tmp);
+ meta_rectangle_free_list_and_elements (tmp);
+ meta_rectangle_free_list_and_elements (region);
+
+ /*************************************************************/
+ /* Make sure test region 3 has the right spanning rectangles */
+ /*************************************************************/
+ region = get_screen_region (3);
+ tmp = NULL;
+ tmp = g_list_prepend (tmp, new_meta_rect ( 380, 675, 420, 525)); /* 220500 */
+ tmp = g_list_prepend (tmp, new_meta_rect ( 0, 20, 300, 1180)); /* 354000 */
+ tmp = g_list_prepend (tmp, new_meta_rect ( 380, 20, 320, 1180)); /* 377600 */
+ tmp = g_list_prepend (tmp, new_meta_rect ( 0, 675, 800, 475)); /* 380000 */
+ tmp = g_list_prepend (tmp, new_meta_rect (1200, 20, 400, 1180)); /* 472000 */
+ tmp = g_list_prepend (tmp, new_meta_rect ( 0, 675, 1600, 425)); /* 680000 */
+ tmp = g_list_prepend (tmp, new_meta_rect ( 900, 20, 700, 1080)); /* 756000 */
+ tmp = g_list_prepend (tmp, new_meta_rect ( 0, 20, 700, 1130)); /* 791000 */
+ tmp = g_list_prepend (tmp, new_meta_rect ( 0, 20, 1600, 505)); /* 808000 */
+#if 0
+ printf ("Got to here...\n");
+ char region_list[(RECT_LENGTH+2) * g_list_length (region)];
+ char tmp_list[ (RECT_LENGTH+2) * g_list_length (tmp)];
+ meta_rectangle_region_to_string (region, ", ", region_list);
+ meta_rectangle_region_to_string (region, ", ", tmp_list);
+ printf ("%s vs. %s\n", region_list, tmp_list);
+#endif
+ verify_lists_are_equal (region, tmp);
+ meta_rectangle_free_list_and_elements (tmp);
+ meta_rectangle_free_list_and_elements (region);
+
+ /*************************************************************/
+ /* Make sure test region 4 has the right spanning rectangles */
+ /*************************************************************/
+ region = get_screen_region (4);
+ tmp = NULL;
+ tmp = g_list_prepend (tmp, new_meta_rect ( 800, 20, 800, 1180));
+ verify_lists_are_equal (region, tmp);
+ meta_rectangle_free_list_and_elements (tmp);
+ meta_rectangle_free_list_and_elements (region);
+
+ /*************************************************************/
+ /* Make sure test region 5 has the right spanning rectangles */
+ /*************************************************************/
+ printf ("The next test intentionally causes a warning, "
+ "but it can be ignored.\n");
+ region = get_screen_region (5);
+ verify_lists_are_equal (region, NULL);
+
+ /* FIXME: Still to do:
+ * - Create random struts and check the regions somehow
+ */
+
+ printf ("%s passed.\n", G_STRFUNC);
+}
+
+static void
+test_region_fitting ()
+{
+ GList* region;
+ MetaRectangle rect;
+
+ /* See test_basic_fitting() for how/why these automated random tests work */
+ int i;
+ region = get_screen_region (3);
+ for (i = 0; i < NUM_RANDOM_RUNS; i++)
+ {
+ get_random_rect (&rect);
+ g_assert (meta_rectangle_contained_in_region (region, &rect) == FALSE ||
+ meta_rectangle_could_fit_in_region (region, &rect) == TRUE);
+ }
+ meta_rectangle_free_list_and_elements (region);
+
+ /* Do some manual tests too */
+ region = get_screen_region (1);
+
+ rect = meta_rect (50, 50, 400, 400);
+ g_assert (meta_rectangle_could_fit_in_region (region, &rect));
+ g_assert (meta_rectangle_contained_in_region (region, &rect));
+
+ rect = meta_rect (250, 0, 500, 1150);
+ g_assert (!meta_rectangle_could_fit_in_region (region, &rect));
+ g_assert (!meta_rectangle_contained_in_region (region, &rect));
+
+ rect = meta_rect (250, 0, 400, 400);
+ g_assert (meta_rectangle_could_fit_in_region (region, &rect));
+ g_assert (!meta_rectangle_contained_in_region (region, &rect));
+
+ meta_rectangle_free_list_and_elements (region);
+
+ region = get_screen_region (2);
+ rect = meta_rect (1000, 50, 600, 1100);
+ g_assert (meta_rectangle_could_fit_in_region (region, &rect));
+ g_assert (!meta_rectangle_contained_in_region (region, &rect));
+
+ meta_rectangle_free_list_and_elements (region);
+
+ printf ("%s passed.\n", G_STRFUNC);
+}
+
+static void
+test_clamping_to_region ()
+{
+ GList* region;
+ MetaRectangle rect;
+ MetaRectangle min_size;
+ FixedDirections fixed_directions;
+ int i;
+
+ min_size.height = min_size.width = 1;
+ fixed_directions = 0;
+
+ region = get_screen_region (3);
+ for (i = 0; i < NUM_RANDOM_RUNS; i++)
+ {
+ MetaRectangle temp;
+ get_random_rect (&rect);
+ temp = rect;
+ meta_rectangle_clamp_to_fit_into_region (region,
+ fixed_directions,
+ &rect,
+ &min_size);
+ g_assert (meta_rectangle_could_fit_in_region (region, &rect) == TRUE);
+ g_assert (rect.x == temp.x && rect.y == temp.y);
+ }
+ meta_rectangle_free_list_and_elements (region);
+
+ /* Do some manual tests too */
+ region = get_screen_region (1);
+
+ rect = meta_rect (50, 50, 10000, 10000);
+ meta_rectangle_clamp_to_fit_into_region (region,
+ fixed_directions,
+ &rect,
+ &min_size);
+ g_assert (rect.width == 1600 && rect.height == 1140);
+
+ rect = meta_rect (275, -50, 410, 10000);
+ meta_rectangle_clamp_to_fit_into_region (region,
+ fixed_directions,
+ &rect,
+ &min_size);
+ g_assert (rect.width == 400 && rect.height == 1180);
+
+ rect = meta_rect (50, 50, 10000, 10000);
+ min_size.height = 1170;
+ meta_rectangle_clamp_to_fit_into_region (region,
+ fixed_directions,
+ &rect,
+ &min_size);
+ g_assert (rect.width == 400 && rect.height == 1180);
+
+ printf ("The next test intentionally causes a warning, "
+ "but it can be ignored.\n");
+ rect = meta_rect (50, 50, 10000, 10000);
+ min_size.width = 600; min_size.height = 1170;
+ meta_rectangle_clamp_to_fit_into_region (region,
+ fixed_directions,
+ &rect,
+ &min_size);
+ g_assert (rect.width == 600 && rect.height == 1170);
+
+ rect = meta_rect (350, 50, 100, 1100);
+ min_size.width = 1; min_size.height = 1;
+ fixed_directions = FIXED_DIRECTION_X;
+ meta_rectangle_clamp_to_fit_into_region (region,
+ fixed_directions,
+ &rect,
+ &min_size);
+ g_assert (rect.width == 100 && rect.height == 1100);
+
+ rect = meta_rect (300, 70, 500, 1100);
+ min_size.width = 1; min_size.height = 1;
+ fixed_directions = FIXED_DIRECTION_Y;
+ meta_rectangle_clamp_to_fit_into_region (region,
+ fixed_directions,
+ &rect,
+ &min_size);
+ g_assert (rect.width == 400 && rect.height == 1100);
+
+ printf ("The next test intentionally causes a warning, "
+ "but it can be ignored.\n");
+ rect = meta_rect (300, 70, 999999, 999999);
+ min_size.width = 100; min_size.height = 200;
+ fixed_directions = FIXED_DIRECTION_Y;
+ meta_rectangle_clamp_to_fit_into_region (region,
+ fixed_directions,
+ &rect,
+ &min_size);
+ g_assert (rect.width == 100 && rect.height == 999999);
+
+ meta_rectangle_free_list_and_elements (region);
+
+ printf ("%s passed.\n", G_STRFUNC);
+}
+
+static gboolean
+rect_overlaps_region (const GList *spanning_rects,
+ const MetaRectangle *rect)
+{
+ /* FIXME: Should I move this to boxes.[ch]? */
+ const GList *temp;
+ gboolean overlaps;
+
+ temp = spanning_rects;
+ overlaps = FALSE;
+ while (!overlaps && temp != NULL)
+ {
+ overlaps = overlaps || meta_rectangle_overlap (temp->data, rect);
+ temp = temp->next;
+ }
+
+ return overlaps;
+}
+
+gboolean time_to_print = FALSE;
+
+static void
+test_clipping_to_region ()
+{
+ GList* region;
+ MetaRectangle rect, temp;
+ FixedDirections fixed_directions = 0;
+ int i;
+
+ region = get_screen_region (3);
+ for (i = 0; i < NUM_RANDOM_RUNS; i++)
+ {
+ get_random_rect (&rect);
+ if (rect_overlaps_region (region, &rect))
+ {
+ meta_rectangle_clip_to_region (region, 0, &rect);
+ g_assert (meta_rectangle_contained_in_region (region, &rect) == TRUE);
+ }
+ }
+ meta_rectangle_free_list_and_elements (region);
+
+ /* Do some manual tests too */
+ region = get_screen_region (2);
+
+ rect = meta_rect (-50, -10, 10000, 10000);
+ meta_rectangle_clip_to_region (region,
+ fixed_directions,
+ &rect);
+ g_assert (meta_rectangle_equal (region->data, &rect));
+
+ rect = meta_rect (300, 1000, 400, 200);
+ temp = meta_rect (300, 1000, 400, 150);
+ meta_rectangle_clip_to_region (region,
+ fixed_directions,
+ &rect);
+ g_assert (meta_rectangle_equal (&rect, &temp));
+
+ rect = meta_rect (400, 1000, 300, 200);
+ temp = meta_rect (450, 1000, 250, 200);
+ meta_rectangle_clip_to_region (region,
+ fixed_directions,
+ &rect);
+ g_assert (meta_rectangle_equal (&rect, &temp));
+
+ rect = meta_rect (400, 1000, 300, 200);
+ temp = meta_rect (400, 1000, 300, 150);
+ meta_rectangle_clip_to_region (region,
+ FIXED_DIRECTION_X,
+ &rect);
+ g_assert (meta_rectangle_equal (&rect, &temp));
+
+ rect = meta_rect (400, 1000, 300, 200);
+ temp = meta_rect (400, 1000, 300, 150);
+ meta_rectangle_clip_to_region (region,
+ FIXED_DIRECTION_X,
+ &rect);
+ g_assert (meta_rectangle_equal (&rect, &temp));
+
+ meta_rectangle_free_list_and_elements (region);
+
+ printf ("%s passed.\n", G_STRFUNC);
+}
+
+static void
+test_shoving_into_region ()
+{
+ GList* region;
+ MetaRectangle rect, temp;
+ FixedDirections fixed_directions = 0;
+ int i;
+
+ region = get_screen_region (3);
+ for (i = 0; i < NUM_RANDOM_RUNS; i++)
+ {
+ get_random_rect (&rect);
+ if (meta_rectangle_could_fit_in_region (region, &rect))
+ {
+ meta_rectangle_shove_into_region (region, 0, &rect);
+ g_assert (meta_rectangle_contained_in_region (region, &rect));
+ }
+ }
+ meta_rectangle_free_list_and_elements (region);
+
+ /* Do some manual tests too */
+ region = get_screen_region (2);
+
+ rect = meta_rect (300, 1000, 400, 200);
+ temp = meta_rect (300, 950, 400, 200);
+ meta_rectangle_shove_into_region (region,
+ fixed_directions,
+ &rect);
+ g_assert (meta_rectangle_equal (&rect, &temp));
+
+ rect = meta_rect (425, 1000, 300, 200);
+ temp = meta_rect (450, 1000, 300, 200);
+ meta_rectangle_shove_into_region (region,
+ fixed_directions,
+ &rect);
+ g_assert (meta_rectangle_equal (&rect, &temp));
+
+ rect = meta_rect (425, 1000, 300, 200);
+ temp = meta_rect (425, 950, 300, 200);
+ meta_rectangle_shove_into_region (region,
+ FIXED_DIRECTION_X,
+ &rect);
+ g_assert (meta_rectangle_equal (&rect, &temp));
+
+ rect = meta_rect ( 300, 1000, 400, 200);
+ temp = meta_rect (1200, 1000, 400, 200);
+ meta_rectangle_shove_into_region (region,
+ FIXED_DIRECTION_Y,
+ &rect);
+ g_assert (meta_rectangle_equal (&rect, &temp));
+
+ rect = meta_rect ( 800, 1150, 400, 50); /* Completely "offscreen" :) */
+ temp = meta_rect ( 800, 1050, 400, 50);
+ meta_rectangle_shove_into_region (region,
+ 0,
+ &rect);
+ g_assert (meta_rectangle_equal (&rect, &temp));
+
+ rect = meta_rect (-1000, 0, 400, 150); /* Offscreen in 2 directions */
+ temp = meta_rect ( 0, 20, 400, 150);
+ meta_rectangle_shove_into_region (region,
+ 0,
+ &rect);
+ g_assert (meta_rectangle_equal (&rect, &temp));
+
+ meta_rectangle_free_list_and_elements (region);
+
+ printf ("%s passed.\n", G_STRFUNC);
+}
+
+static void
+verify_edge_lists_are_equal (GList *code, GList *answer)
+{
+ int which = 0;
+
+ while (code && answer)
+ {
+ MetaEdge *a = code->data;
+ MetaEdge *b = answer->data;
+
+ if (!meta_rectangle_equal (&a->rect, &b->rect) ||
+ a->side_type != b->side_type ||
+ a->edge_type != b->edge_type)
+ {
+ g_error ("%dth item in code answer answer lists do not match; "
+ "code rect: %d,%d + %d,%d; answer rect: %d,%d + %d,%d\n",
+ which,
+ a->rect.x, a->rect.y, a->rect.width, a->rect.height,
+ b->rect.x, b->rect.y, b->rect.width, b->rect.height);
+ }
+
+ code = code->next;
+ answer = answer->next;
+
+ which++;
+ }
+
+ /* Ought to be at the end of both lists; check if we aren't */
+ if (code)
+ {
+ MetaEdge *tmp = code->data;
+ g_error ("code list longer than answer list by %d items; "
+ "first extra item rect: %d,%d +%d,%d\n",
+ g_list_length (code),
+ tmp->rect.x, tmp->rect.y, tmp->rect.width, tmp->rect.height);
+ }
+
+ if (answer)
+ {
+ MetaEdge *tmp = answer->data;
+ g_error ("answer list longer than code list by %d items; "
+ "first extra item rect: %d,%d +%d,%d\n",
+ g_list_length (answer),
+ tmp->rect.x, tmp->rect.y, tmp->rect.width, tmp->rect.height);
+ }
+}
+
+static void
+test_find_onscreen_edges ()
+{
+ GList* edges;
+ GList* tmp;
+
+ int left = META_DIRECTION_LEFT;
+ int right = META_DIRECTION_RIGHT;
+ int top = META_DIRECTION_TOP;
+ int bottom = META_DIRECTION_BOTTOM;
+
+ /*************************************************/
+ /* Make sure test region 0 has the correct edges */
+ /*************************************************/
+ edges = get_screen_edges (0);
+ tmp = NULL;
+ tmp = g_list_prepend (tmp, new_screen_edge ( 0, 1200, 1600, 0, bottom));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 0, 0, 1600, 0, top));
+ tmp = g_list_prepend (tmp, new_screen_edge (1600, 0, 0, 1200, right));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 0, 0, 0, 1200, left));
+ verify_edge_lists_are_equal (edges, tmp);
+ meta_rectangle_free_list_and_elements (tmp);
+ meta_rectangle_free_list_and_elements (edges);
+
+ /*************************************************/
+ /* Make sure test region 1 has the correct edges */
+ /*************************************************/
+ edges = get_screen_edges (1);
+ tmp = NULL;
+ tmp = g_list_prepend (tmp, new_screen_edge ( 0, 1200, 400, 0, bottom));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 400, 1160, 1200, 0, bottom));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 0, 20, 1600, 0, top));
+ tmp = g_list_prepend (tmp, new_screen_edge (1600, 20, 0, 1140, right));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 400, 1160, 0, 40, right));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 0, 20, 0, 1180, left));
+ verify_edge_lists_are_equal (edges, tmp);
+ meta_rectangle_free_list_and_elements (tmp);
+ meta_rectangle_free_list_and_elements (edges);
+
+ /*************************************************/
+ /* Make sure test region 2 has the correct edges */
+ /*************************************************/
+ edges = get_screen_edges (2);
+ tmp = NULL;
+ tmp = g_list_prepend (tmp, new_screen_edge (1200, 1200, 400, 0, bottom));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 450, 1200, 350, 0, bottom));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 0, 1200, 300, 0, bottom));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 300, 1150, 150, 0, bottom));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 800, 1100, 400, 0, bottom));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 0, 20, 1600, 0, top));
+ tmp = g_list_prepend (tmp, new_screen_edge (1600, 20, 0, 1180, right));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 800, 1100, 0, 100, right));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 300, 1150, 0, 50, right));
+ tmp = g_list_prepend (tmp, new_screen_edge (1200, 1100, 0, 100, left));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 450, 1150, 0, 50, left));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 0, 20, 0, 1180, left));
+ verify_edge_lists_are_equal (edges, tmp);
+ meta_rectangle_free_list_and_elements (tmp);
+ meta_rectangle_free_list_and_elements (edges);
+
+ /*************************************************/
+ /* Make sure test region 3 has the correct edges */
+ /*************************************************/
+ edges = get_screen_edges (3);
+ tmp = NULL;
+ tmp = g_list_prepend (tmp, new_screen_edge (1200, 1200, 400, 0, bottom));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 380, 1200, 420, 0, bottom));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 0, 1200, 300, 0, bottom));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 300, 1150, 80, 0, bottom));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 800, 1100, 400, 0, bottom));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 700, 525, 200, 0, bottom));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 700, 675, 200, 0, top));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 0, 20, 1600, 0, top));
+ tmp = g_list_prepend (tmp, new_screen_edge (1600, 20, 0, 1180, right));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 800, 1100, 0, 100, right));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 700, 525, 0, 150, right));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 300, 1150, 0, 50, right));
+ tmp = g_list_prepend (tmp, new_screen_edge (1200, 1100, 0, 100, left));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 900, 525, 0, 150, left));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 380, 1150, 0, 50, left));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 0, 20, 0, 1180, left));
+
+#if 0
+ #define FUDGE 50 /* number of edges */
+ char big_buffer1[(EDGE_LENGTH+2)*FUDGE], big_buffer2[(EDGE_LENGTH+2)*FUDGE];
+ meta_rectangle_edge_list_to_string (edges, "\n ", big_buffer1);
+ meta_rectangle_edge_list_to_string (tmp, "\n ", big_buffer2);
+ printf("Generated edge list:\n %s\nComparison edges list:\n %s\n",
+ big_buffer1, big_buffer2);
+#endif
+
+ verify_edge_lists_are_equal (edges, tmp);
+ meta_rectangle_free_list_and_elements (tmp);
+ meta_rectangle_free_list_and_elements (edges);
+
+ /*************************************************/
+ /* Make sure test region 4 has the correct edges */
+ /*************************************************/
+ edges = get_screen_edges (4);
+ tmp = NULL;
+ tmp = g_list_prepend (tmp, new_screen_edge ( 800, 1200, 800, 0, bottom));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 800, 20, 800, 0, top));
+ tmp = g_list_prepend (tmp, new_screen_edge (1600, 20, 0, 1180, right));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 800, 20, 0, 1180, left));
+ verify_edge_lists_are_equal (edges, tmp);
+ meta_rectangle_free_list_and_elements (tmp);
+ meta_rectangle_free_list_and_elements (edges);
+
+ /*************************************************/
+ /* Make sure test region 5 has the correct edges */
+ /*************************************************/
+ edges = get_screen_edges (5);
+ tmp = NULL;
+ verify_edge_lists_are_equal (edges, tmp);
+ meta_rectangle_free_list_and_elements (tmp);
+ meta_rectangle_free_list_and_elements (edges);
+
+ /*************************************************/
+ /* Make sure test region 6 has the correct edges */
+ /*************************************************/
+ edges = get_screen_edges (6);
+ tmp = NULL;
+ tmp = g_list_prepend (tmp, new_screen_edge ( 0, 1200, 1600, 0, bottom));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 0, 40, 1600, 0, top));
+ tmp = g_list_prepend (tmp, new_screen_edge (1600, 40, 0, 1160, right));
+ tmp = g_list_prepend (tmp, new_screen_edge ( 0, 40, 0, 1160, left));
+ verify_edge_lists_are_equal (edges, tmp);
+ meta_rectangle_free_list_and_elements (tmp);
+ meta_rectangle_free_list_and_elements (edges);
+
+ printf ("%s passed.\n", G_STRFUNC);
+}
+
+static void
+test_find_nonintersected_xinerama_edges ()
+{
+ GList* edges;
+ GList* tmp;
+
+ int left = META_DIRECTION_LEFT;
+ int right = META_DIRECTION_RIGHT;
+ int top = META_DIRECTION_TOP;
+ int bottom = META_DIRECTION_BOTTOM;
+
+ /*************************************************************************/
+ /* Make sure test xinerama set 0 for with region 0 has the correct edges */
+ /*************************************************************************/
+ edges = get_xinerama_edges (0, 0);
+ tmp = NULL;
+ verify_edge_lists_are_equal (edges, tmp);
+ meta_rectangle_free_list_and_elements (tmp);
+ meta_rectangle_free_list_and_elements (edges);
+
+ /*************************************************************************/
+ /* Make sure test xinerama set 2 for with region 1 has the correct edges */
+ /*************************************************************************/
+ edges = get_xinerama_edges (2, 1);
+ tmp = NULL;
+ tmp = g_list_prepend (tmp, new_xinerama_edge ( 0, 600, 1600, 0, bottom));
+ tmp = g_list_prepend (tmp, new_xinerama_edge ( 0, 600, 1600, 0, top));
+ verify_edge_lists_are_equal (edges, tmp);
+ meta_rectangle_free_list_and_elements (tmp);
+ meta_rectangle_free_list_and_elements (edges);
+
+ /*************************************************************************/
+ /* Make sure test xinerama set 1 for with region 2 has the correct edges */
+ /*************************************************************************/
+ edges = get_xinerama_edges (1, 2);
+ tmp = NULL;
+ tmp = g_list_prepend (tmp, new_xinerama_edge ( 800, 20, 0, 1080, right));
+ tmp = g_list_prepend (tmp, new_xinerama_edge ( 800, 20, 0, 1180, left));
+#if 0
+ #define FUDGE 50
+ char big_buffer1[(EDGE_LENGTH+2)*FUDGE], big_buffer2[(EDGE_LENGTH+2)*FUDGE];
+ meta_rectangle_edge_list_to_string (edges, "\n ", big_buffer1);
+ meta_rectangle_edge_list_to_string (tmp, "\n ", big_buffer2);
+ printf("Generated edge list:\n %s\nComparison edges list:\n %s\n",
+ big_buffer1, big_buffer2);
+#endif
+ verify_edge_lists_are_equal (edges, tmp);
+ meta_rectangle_free_list_and_elements (tmp);
+ meta_rectangle_free_list_and_elements (edges);
+
+ /*************************************************************************/
+ /* Make sure test xinerama set 3 for with region 3 has the correct edges */
+ /*************************************************************************/
+ edges = get_xinerama_edges (3, 3);
+ tmp = NULL;
+ tmp = g_list_prepend (tmp, new_xinerama_edge ( 900, 600, 700, 0, bottom));
+ tmp = g_list_prepend (tmp, new_xinerama_edge ( 0, 600, 700, 0, bottom));
+ tmp = g_list_prepend (tmp, new_xinerama_edge ( 900, 600, 700, 0, top));
+ tmp = g_list_prepend (tmp, new_xinerama_edge ( 0, 600, 700, 0, top));
+ tmp = g_list_prepend (tmp, new_xinerama_edge ( 800, 675, 0, 425, right));
+ tmp = g_list_prepend (tmp, new_xinerama_edge ( 800, 675, 0, 525, left));
+ verify_edge_lists_are_equal (edges, tmp);
+ meta_rectangle_free_list_and_elements (tmp);
+ meta_rectangle_free_list_and_elements (edges);
+
+ /*************************************************************************/
+ /* Make sure test xinerama set 3 for with region 4 has the correct edges */
+ /*************************************************************************/
+ edges = get_xinerama_edges (3, 4);
+ tmp = NULL;
+ tmp = g_list_prepend (tmp, new_xinerama_edge ( 800, 600, 800, 0, bottom));
+ tmp = g_list_prepend (tmp, new_xinerama_edge ( 800, 600, 800, 0, top));
+ tmp = g_list_prepend (tmp, new_xinerama_edge ( 800, 600, 0, 600, right));
+ verify_edge_lists_are_equal (edges, tmp);
+ meta_rectangle_free_list_and_elements (tmp);
+ meta_rectangle_free_list_and_elements (edges);
+
+ /*************************************************************************/
+ /* Make sure test xinerama set 3 for with region 5has the correct edges */
+ /*************************************************************************/
+ edges = get_xinerama_edges (3, 5);
+ tmp = NULL;
+ verify_edge_lists_are_equal (edges, tmp);
+ meta_rectangle_free_list_and_elements (tmp);
+ meta_rectangle_free_list_and_elements (edges);
+
+ printf ("%s passed.\n", G_STRFUNC);
+}
+
+static void
+test_gravity_resize ()
+{
+ MetaRectangle oldrect, rect, temp;
+
+ rect.x = -500; /* Some random amount not equal to oldrect.x to ensure that
+ * the resize is done with respect to oldrect instead of rect
+ */
+ oldrect = meta_rect ( 50, 300, 250, 400);
+ temp = meta_rect ( 50, 300, 20, 5);
+ meta_rectangle_resize_with_gravity (&oldrect,
+ &rect,
+ NorthWestGravity,
+ 20,
+ 5);
+ g_assert (meta_rectangle_equal (&rect, &temp));
+
+ rect = meta_rect ( 50, 300, 250, 400);
+ temp = meta_rect (165, 300, 20, 5);
+ meta_rectangle_resize_with_gravity (&rect,
+ &rect,
+ NorthGravity,
+ 20,
+ 5);
+ g_assert (meta_rectangle_equal (&rect, &temp));
+
+ rect = meta_rect ( 50, 300, 250, 400);
+ temp = meta_rect (280, 300, 20, 5);
+ meta_rectangle_resize_with_gravity (&rect,
+ &rect,
+ NorthEastGravity,
+ 20,
+ 5);
+ g_assert (meta_rectangle_equal (&rect, &temp));
+
+ rect = meta_rect ( 50, 300, 250, 400);
+ temp = meta_rect ( 50, 695, 50, 5);
+ meta_rectangle_resize_with_gravity (&rect,
+ &rect,
+ SouthWestGravity,
+ 50,
+ 5);
+ g_assert (meta_rectangle_equal (&rect, &temp));
+
+ rect = meta_rect ( 50, 300, 250, 400);
+ temp = meta_rect (150, 695, 50, 5);
+ meta_rectangle_resize_with_gravity (&rect,
+ &rect,
+ SouthGravity,
+ 50,
+ 5);
+ g_assert (meta_rectangle_equal (&rect, &temp));
+
+ rect = meta_rect ( 50, 300, 250, 400);
+ temp = meta_rect (250, 695, 50, 5);
+ meta_rectangle_resize_with_gravity (&rect,
+ &rect,
+ SouthEastGravity,
+ 50,
+ 5);
+ g_assert (meta_rectangle_equal (&rect, &temp));
+
+ rect = meta_rect (167, 738, 237, 843);
+ temp = meta_rect (167, 1113, 832, 93);
+ meta_rectangle_resize_with_gravity (&rect,
+ &rect,
+ WestGravity,
+ 832,
+ 93);
+ g_assert (meta_rectangle_equal (&rect, &temp));
+
+ rect = meta_rect ( 167, 738, 237, 843);
+ temp = meta_rect (-131, 1113, 833, 93);
+ meta_rectangle_resize_with_gravity (&rect,
+ &rect,
+ CenterGravity,
+ 832,
+ 93);
+ g_assert (meta_rectangle_equal (&rect, &temp));
+
+ rect = meta_rect (300, 1000, 400, 200);
+ temp = meta_rect (270, 994, 430, 212);
+ meta_rectangle_resize_with_gravity (&rect,
+ &rect,
+ EastGravity,
+ 430,
+ 211);
+ g_assert (meta_rectangle_equal (&rect, &temp));
+
+ rect = meta_rect (300, 1000, 400, 200);
+ temp = meta_rect (300, 1000, 430, 211);
+ meta_rectangle_resize_with_gravity (&rect,
+ &rect,
+ StaticGravity,
+ 430,
+ 211);
+ g_assert (meta_rectangle_equal (&rect, &temp));
+
+ printf ("%s passed.\n", G_STRFUNC);
+}
+
+static void
+test_find_closest_point_to_line ()
+{
+ double x1, y1, x2, y2, px, py, rx, ry;
+ double answer_x, answer_y;
+
+ x1 = 3.0; y1 = 49.0;
+ x2 = 2.0; y2 = - 1.0;
+ px = -2.6; py = 19.1;
+ answer_x = 2.4; answer_y = 19;
+ meta_rectangle_find_linepoint_closest_to_point (x1, y1,
+ x2, y2,
+ px, py,
+ &rx, &ry);
+ g_assert (rx == answer_x && ry == answer_y);
+
+ /* Special test for x1 == x2, so that slop of line is infinite */
+ x1 = 3.0; y1 = 49.0;
+ x2 = 3.0; y2 = - 1.0;
+ px = -2.6; py = 19.1;
+ answer_x = 3.0; answer_y = 19.1;
+ meta_rectangle_find_linepoint_closest_to_point (x1, y1,
+ x2, y2,
+ px, py,
+ &rx, &ry);
+ g_assert (rx == answer_x && ry == answer_y);
+
+ /* Special test for y1 == y2, so perp line has slope of infinity */
+ x1 = 3.14; y1 = 7.0;
+ x2 = 2.718; y2 = 7.0;
+ px = -2.6; py = 19.1;
+ answer_x = -2.6; answer_y = 7;
+ meta_rectangle_find_linepoint_closest_to_point (x1, y1,
+ x2, y2,
+ px, py,
+ &rx, &ry);
+ g_assert (rx == answer_x && ry == answer_y);
+
+ /* Test when we the point we want to be closest to is actually on the line */
+ x1 = 3.0; y1 = 49.0;
+ x2 = 2.0; y2 = - 1.0;
+ px = 2.4; py = 19.0;
+ answer_x = 2.4; answer_y = 19;
+ meta_rectangle_find_linepoint_closest_to_point (x1, y1,
+ x2, y2,
+ px, py,
+ &rx, &ry);
+ g_assert (rx == answer_x && ry == answer_y);
+
+ printf ("%s passed.\n", G_STRFUNC);
+}
+
+int
+main()
+{
+ init_random_ness ();
+ test_area ();
+ test_intersect ();
+ test_equal ();
+ test_overlap_funcs ();
+ test_basic_fitting ();
+
+ test_regions_okay ();
+ test_region_fitting ();
+
+ test_clamping_to_region ();
+ test_clipping_to_region ();
+ test_shoving_into_region ();
+
+ /* And now the functions dealing with edges more than boxes */
+ test_find_onscreen_edges ();
+ test_find_nonintersected_xinerama_edges ();
+
+ /* And now the misfit functions that don't quite fit in anywhere else... */
+ test_gravity_resize ();
+ test_find_closest_point_to_line ();
+
+ printf ("All tests passed.\n");
+ return 0;
+}