1 /****************************************************************************
2 * Copyright 2022,2023 Thomas E. Dickey *
3 * *
4 * Permission is hereby granted, free of charge, to any person obtaining a *
5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
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8 * distribute, distribute with modifications, sublicense, and/or sell *
9 * copies of the Software, and to permit persons to whom the Software is *
10 * furnished to do so, subject to the following conditions: *
11 * *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
14 * *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
22 * *
23 * Except as contained in this notice, the name(s) of the above copyright *
24 * holders shall not be used in advertising or otherwise to promote the *
25 * sale, use or other dealings in this Software without prior written *
26 * authorization. *
27 ****************************************************************************/
28
29 /*
30 * $Id: test_delwin.c,v 1.5 2023/05/27 20:34:51 tom Exp $
31 */
32 #include <test.priv.h>
33
34 #define STATUS 10
35
36 static SCREEN *my_screen;
37
38 static void
show_rc(const char * what,const char * explain,int rc)39 show_rc(const char *what, const char *explain, int rc)
40 {
41 printw("%s : %d (%s)\n", what, rc, explain);
42 }
43
44 static void
next_step(WINDOW * win)45 next_step(WINDOW *win)
46 {
47 int ch = wgetch(win);
48 if (ch == QUIT || ch == ESCAPE) {
49 endwin();
50 /* use this to verify if delscreen frees all memory */
51 delscreen(my_screen);
52 exit(EXIT_FAILURE);
53 }
54 }
55
56 static void
usage(int ok)57 usage(int ok)
58 {
59 static const char *msg[] =
60 {
61 "Usage: test_delwin [options]"
62 ,""
63 ,USAGE_COMMON
64 };
65 size_t n;
66
67 for (n = 0; n < SIZEOF(msg); n++)
68 fprintf(stderr, "%s\n", msg[n]);
69
70 ExitProgram(ok ? EXIT_SUCCESS : EXIT_FAILURE);
71 }
72 /* *INDENT-OFF* */
VERSION_COMMON()73 VERSION_COMMON()
74 /* *INDENT-ON* */
75
76 int
77 main(int argc, char **argv)
78 {
79 WINDOW *parent, *child1;
80 int rc;
81 int ch;
82
83 while ((ch = getopt(argc, argv, OPTS_COMMON)) != -1) {
84 switch (ch) {
85 case OPTS_VERSION:
86 show_version(argv);
87 ExitProgram(EXIT_SUCCESS);
88 default:
89 usage(ch == OPTS_USAGE);
90 /* NOTREACHED */
91 }
92 }
93 if (optind < argc)
94 usage(FALSE);
95
96 if ((my_screen = newterm(NULL, stdout, stdin)) == NULL)
97 ExitProgram(EXIT_FAILURE);
98
99 noecho();
100 cbreak();
101
102 refresh();
103 wsetscrreg(stdscr, 0, STATUS - 1);
104 scrollok(stdscr, TRUE);
105
106 parent = newwin(0, 0, STATUS, 0);
107 box(parent, 0, 0);
108 wrefresh(parent);
109 next_step(parent);
110
111 printw("New window %p %s\n", (void *) parent, "Top window");
112 mvwprintw(parent, 1, 1, "Top window");
113 wrefresh(parent);
114 next_step(stdscr);
115
116 child1 = derwin(parent, LINES - STATUS - 4, COLS - 4, 2, 2);
117 box(child1, 0, 0);
118 mvwprintw(child1, 1, 1, "Sub window");
119 wrefresh(child1);
120
121 printw("Sub window %p %s\n", (void *) child1, "Hello world!");
122 next_step(stdscr);
123
124 show_rc("Deleted parent",
125 "should fail, it still has a subwindow",
126 delwin(parent));
127 next_step(stdscr);
128 show_rc("Deleted child1",
129 "should succeed",
130 rc = delwin(child1));
131 next_step(stdscr);
132 if (rc == OK) {
133 wclrtobot(parent);
134 box(parent, 0, 0);
135 next_step(parent);
136 }
137 show_rc("Deleted parent",
138 "should succeed, it has no subwindow now",
139 rc = delwin(parent));
140 next_step(stdscr);
141 if (rc == OK) {
142 touchwin(stdscr);
143 next_step(stdscr);
144 }
145 show_rc("Deleted parent",
146 "should fail, may dump core",
147 delwin(parent));
148 next_step(stdscr);
149 endwin();
150 ExitProgram(EXIT_SUCCESS);
151 }
152