gtk2/tests/testtexthistory.c
2020-07-25 00:47:36 +02:00

601 lines
17 KiB
C

#include "gtktexthistoryprivate.h"
#if 0
# define DEBUG_COMMANDS
#endif
typedef struct
{
GtkTextHistory *history;
GString *buf;
struct {
int insert;
int bound;
} selection;
guint can_redo : 1;
guint can_undo : 1;
guint is_modified : 1;
} Text;
enum {
IGNORE = 0,
SET = 1,
UNSET = 2,
};
enum {
IGNORE_SELECT = 0,
DO_SELECT = 1,
};
enum {
INSERT = 1,
INSERT_SEQ,
BACKSPACE,
DELETE_KEY,
UNDO,
REDO,
BEGIN_IRREVERSIBLE,
END_IRREVERSIBLE,
BEGIN_USER,
END_USER,
MODIFIED,
UNMODIFIED,
SELECT,
CHECK_SELECT,
SET_MAX_UNDO,
};
typedef struct
{
int kind;
int location;
int end_location;
const char *text;
const char *expected;
int can_undo;
int can_redo;
int is_modified;
int select;
} Command;
static void
do_change_state (gpointer funcs_data,
gboolean is_modified,
gboolean can_undo,
gboolean can_redo)
{
Text *text = funcs_data;
text->is_modified = is_modified;
text->can_undo = can_undo;
text->can_redo = can_redo;
}
static void
do_insert (gpointer funcs_data,
guint begin,
guint end,
const char *text,
guint len)
{
Text *t = funcs_data;
#ifdef DEBUG_COMMANDS
g_printerr ("Insert Into '%s' (begin=%u end=%u text=%s)\n",
t->buf->str, begin, end, text);
#endif
g_string_insert_len (t->buf, begin, text, len);
}
static void
do_delete (gpointer funcs_data,
guint begin,
guint end,
const char *expected_text,
guint len)
{
Text *t = funcs_data;
#ifdef DEBUG_COMMANDS
g_printerr ("Delete(begin=%u end=%u expected_text=%s)\n", begin, end, expected_text);
#endif
if (end < begin)
{
guint tmp = end;
end = begin;
begin = tmp;
}
g_assert_cmpint (memcmp (t->buf->str + begin, expected_text, len), ==, 0);
if (end >= t->buf->len)
{
t->buf->len = begin;
t->buf->str[begin] = 0;
return;
}
memmove (t->buf->str + begin,
t->buf->str + end,
t->buf->len - end);
g_string_truncate (t->buf, t->buf->len - (end - begin));
}
static void
do_select (gpointer funcs_data,
int selection_insert,
int selection_bound)
{
Text *text = funcs_data;
text->selection.insert = selection_insert;
text->selection.bound = selection_bound;
}
static GtkTextHistoryFuncs funcs = {
do_change_state,
do_insert,
do_delete,
do_select,
};
static Text *
text_new (void)
{
Text *text = g_slice_new0 (Text);
text->history = gtk_text_history_new (&funcs, text);
text->buf = g_string_new (NULL);
text->selection.insert = -1;
text->selection.bound = -1;
return text;
}
static void
text_free (Text *text)
{
g_object_unref (text->history);
g_string_free (text->buf, TRUE);
g_slice_free (Text, text);
}
static void
command_insert (const Command *cmd,
Text *text)
{
do_insert (text,
cmd->location,
cmd->location + g_utf8_strlen (cmd->text, -1),
cmd->text,
strlen (cmd->text));
gtk_text_history_text_inserted (text->history, cmd->location, cmd->text, -1);
}
static void
command_delete_key (const Command *cmd,
Text *text)
{
do_delete (text,
cmd->location,
cmd->end_location,
cmd->text,
strlen (cmd->text));
gtk_text_history_text_deleted (text->history,
cmd->location,
cmd->end_location,
cmd->text,
ABS (cmd->end_location - cmd->location));
}
static void
command_undo (const Command *cmd,
Text *text)
{
gtk_text_history_undo (text->history);
}
static void
command_redo (const Command *cmd,
Text *text)
{
gtk_text_history_redo (text->history);
}
static void
set_selection (Text *text,
int begin,
int end)
{
gtk_text_history_selection_changed (text->history, begin, end);
}
static void
run_test (const Command *commands,
guint n_commands,
guint max_undo)
{
Text *text = text_new ();
if (max_undo)
gtk_text_history_set_max_undo_levels (text->history, max_undo);
for (guint i = 0; i < n_commands; i++)
{
const Command *cmd = &commands[i];
#ifdef DEBUG_COMMANDS
g_printerr ("%d: %d\n", i, cmd->kind);
#endif
switch (cmd->kind)
{
case INSERT:
command_insert (cmd, text);
break;
case INSERT_SEQ:
for (guint j = 0; cmd->text[j]; j++)
{
const char seqtext[2] = { cmd->text[j], 0 };
Command seq = { INSERT, cmd->location + j, 1, seqtext, NULL };
command_insert (&seq, text);
}
break;
case DELETE_KEY:
if (cmd->select == DO_SELECT)
set_selection (text, cmd->location, cmd->end_location);
else if (strlen (cmd->text) == 1)
set_selection (text, cmd->location, -1);
else
set_selection (text, -1, -1);
command_delete_key (cmd, text);
break;
case BACKSPACE:
if (cmd->select == DO_SELECT)
set_selection (text, cmd->location, cmd->end_location);
else if (strlen (cmd->text) == 1)
set_selection (text, cmd->end_location, -1);
else
set_selection (text, -1, -1);
command_delete_key (cmd, text);
break;
case UNDO:
command_undo (cmd, text);
break;
case REDO:
command_redo (cmd, text);
break;
case BEGIN_USER:
gtk_text_history_begin_user_action (text->history);
break;
case END_USER:
gtk_text_history_end_user_action (text->history);
break;
case BEGIN_IRREVERSIBLE:
gtk_text_history_begin_irreversible_action (text->history);
break;
case END_IRREVERSIBLE:
gtk_text_history_end_irreversible_action (text->history);
break;
case MODIFIED:
gtk_text_history_modified_changed (text->history, TRUE);
break;
case UNMODIFIED:
gtk_text_history_modified_changed (text->history, FALSE);
break;
case SELECT:
gtk_text_history_selection_changed (text->history,
cmd->location,
cmd->end_location);
break;
case CHECK_SELECT:
g_assert_cmpint (text->selection.insert, ==, cmd->location);
g_assert_cmpint (text->selection.bound, ==, cmd->end_location);
break;
case SET_MAX_UNDO:
/* Not ideal use of location, but fine */
gtk_text_history_set_max_undo_levels (text->history, cmd->location);
break;
default:
break;
}
if (cmd->expected)
g_assert_cmpstr (text->buf->str, ==, cmd->expected);
if (cmd->can_redo == SET)
g_assert_cmpint (text->can_redo, ==, TRUE);
else if (cmd->can_redo == UNSET)
g_assert_cmpint (text->can_redo, ==, FALSE);
if (cmd->can_undo == SET)
g_assert_cmpint (text->can_undo, ==, TRUE);
else if (cmd->can_undo == UNSET)
g_assert_cmpint (text->can_undo, ==, FALSE);
if (cmd->is_modified == SET)
g_assert_cmpint (text->is_modified, ==, TRUE);
else if (cmd->is_modified == UNSET)
g_assert_cmpint (text->is_modified, ==, FALSE);
}
text_free (text);
}
static void
test1 (void)
{
static const Command commands[] = {
{ INSERT, 0, -1, "test", "test", SET, UNSET },
{ INSERT, 2, -1, "s", "tesst", SET, UNSET },
{ INSERT, 3, -1, "ss", "tesssst", SET, UNSET },
{ DELETE_KEY, 2, 5, "sss", "test", SET, UNSET },
{ UNDO, -1, -1, NULL, "tesssst", SET, SET },
{ REDO, -1, -1, NULL, "test", SET, UNSET },
{ UNDO, -1, -1, NULL, "tesssst", SET, SET },
{ DELETE_KEY, 0, 7, "tesssst", "", SET, UNSET },
{ INSERT, 0, -1, "z", "z", SET, UNSET },
{ UNDO, -1, -1, NULL, "", SET, SET },
{ UNDO, -1, -1, NULL, "tesssst", SET, SET },
{ UNDO, -1, -1, NULL, "test", SET, SET },
};
run_test (commands, G_N_ELEMENTS (commands), 0);
}
static void
test2 (void)
{
static const Command commands[] = {
{ BEGIN_IRREVERSIBLE, -1, -1, NULL, "", UNSET, UNSET },
{ INSERT, 0, -1, "this is a test", "this is a test", UNSET, UNSET },
{ END_IRREVERSIBLE, -1, -1, NULL, "this is a test", UNSET, UNSET },
{ UNDO, -1, -1, NULL, "this is a test", UNSET, UNSET },
{ REDO, -1, -1, NULL, "this is a test", UNSET, UNSET },
{ BEGIN_USER, -1, -1, NULL, NULL, UNSET, UNSET },
{ INSERT, 0, -1, "first", "firstthis is a test", UNSET, UNSET },
{ INSERT, 5, -1, " ", "first this is a test", UNSET, UNSET },
{ END_USER, -1, -1, NULL, "first this is a test", SET, UNSET },
{ UNDO, -1, -1, NULL, "this is a test", UNSET, SET },
{ UNDO, -1, -1, NULL, "this is a test", UNSET, SET },
{ REDO, -1, -1, NULL, "first this is a test", SET, UNSET },
{ UNDO, -1, -1, NULL, "this is a test", UNSET, SET },
};
run_test (commands, G_N_ELEMENTS (commands), 0);
}
static void
test3 (void)
{
static const Command commands[] = {
{ INSERT_SEQ, 0, -1, "this is a test of insertions.", "this is a test of insertions.", SET, UNSET },
{ UNDO, -1, -1, NULL, "this is a test of", SET, SET },
{ UNDO, -1, -1, NULL, "this is a test", SET, SET },
{ UNDO, -1, -1, NULL, "this is a", SET, SET },
{ UNDO, -1, -1, NULL, "this is", SET, SET },
{ UNDO, -1, -1, NULL, "this", SET, SET },
{ UNDO, -1, -1, NULL, "", UNSET, SET },
{ UNDO, -1, -1, NULL, "" , UNSET, SET },
{ REDO, -1, -1, NULL, "this", SET, SET },
{ REDO, -1, -1, NULL, "this is", SET, SET },
{ REDO, -1, -1, NULL, "this is a", SET, SET },
{ REDO, -1, -1, NULL, "this is a test", SET, SET },
{ REDO, -1, -1, NULL, "this is a test of", SET, SET },
{ REDO, -1, -1, NULL, "this is a test of insertions.", SET, UNSET },
};
run_test (commands, G_N_ELEMENTS (commands), 0);
}
static void
test4 (void)
{
static const Command commands[] = {
{ INSERT, 0, -1, "initial text", "initial text", SET, UNSET },
/* Barrier */
{ BEGIN_IRREVERSIBLE, -1, -1, NULL, NULL, UNSET, UNSET },
{ END_IRREVERSIBLE, -1, -1, NULL, NULL, UNSET, UNSET },
{ INSERT, 0, -1, "more text ", "more text initial text", SET, UNSET },
{ UNDO, -1, -1, NULL, "initial text", UNSET, SET },
{ UNDO, -1, -1, NULL, "initial text", UNSET, SET },
{ REDO, -1, -1, NULL, "more text initial text", SET, UNSET },
/* Barrier */
{ BEGIN_IRREVERSIBLE, UNSET, UNSET },
{ END_IRREVERSIBLE, UNSET, UNSET },
{ UNDO, -1, -1, NULL, "more text initial text", UNSET, UNSET },
};
run_test (commands, G_N_ELEMENTS (commands), 0);
}
static void
test5 (void)
{
static const Command commands[] = {
{ INSERT, 0, -1, "initial text", "initial text", SET, UNSET },
{ DELETE_KEY, 0, 12, "initial text", "", SET, UNSET },
/* Add empty nested user action (should get ignored) */
{ BEGIN_USER, -1, -1, NULL, NULL, UNSET, UNSET },
{ BEGIN_USER, -1, -1, NULL, NULL, UNSET, UNSET },
{ BEGIN_USER, -1, -1, NULL, NULL, UNSET, UNSET },
{ END_USER, -1, -1, NULL, NULL, UNSET, UNSET },
{ END_USER, -1, -1, NULL, NULL, UNSET, UNSET },
{ END_USER, -1, -1, NULL, NULL, SET, UNSET },
{ UNDO, -1, -1, NULL, "initial text" },
};
run_test (commands, G_N_ELEMENTS (commands), 0);
}
static void
test6 (void)
{
static const Command commands[] = {
{ INSERT_SEQ, 0, -1, " \t\t this is some text", " \t\t this is some text", SET, UNSET },
{ UNDO, -1, -1, NULL, " \t\t this is some", SET, SET },
{ UNDO, -1, -1, NULL, " \t\t this is", SET, SET },
{ UNDO, -1, -1, NULL, " \t\t this", SET, SET },
{ UNDO, -1, -1, NULL, "", UNSET, SET },
{ UNDO, -1, -1, NULL, "", UNSET, SET },
};
run_test (commands, G_N_ELEMENTS (commands), 0);
}
static void
test7 (void)
{
static const Command commands[] = {
{ MODIFIED, -1, -1, NULL, NULL, UNSET, UNSET, SET },
{ UNMODIFIED, -1, -1, NULL, NULL, UNSET, UNSET, UNSET },
{ INSERT, 0, -1, "foo bar", "foo bar", SET, UNSET, UNSET },
{ MODIFIED, -1, -1, NULL, NULL, SET, UNSET, SET },
{ UNDO, -1, -1, NULL, "", UNSET, SET, UNSET },
{ REDO, -1, -1, NULL, "foo bar", SET, UNSET, SET },
{ UNDO, -1, -1, NULL, "", UNSET, SET, UNSET },
{ REDO, -1, -1, NULL, "foo bar", SET, UNSET, SET },
};
run_test (commands, G_N_ELEMENTS (commands), 0);
}
static void
test8 (void)
{
static const Command commands[] = {
{ INSERT, 0, -1, "foo bar", "foo bar", SET, UNSET, UNSET },
{ MODIFIED, -1, -1, NULL, NULL, SET, UNSET, SET },
{ INSERT, 0, -1, "f", "ffoo bar", SET, UNSET, SET },
{ UNMODIFIED, -1, -1, NULL, NULL, SET, UNSET, UNSET },
{ UNDO, -1, -1, NULL, "foo bar", SET, SET, SET },
{ UNDO, -1, -1, NULL, "", UNSET, SET, SET },
{ REDO, -1, -1, NULL, "foo bar", SET, SET, SET },
{ REDO, -1, -1, NULL, "ffoo bar", SET, UNSET, UNSET },
};
run_test (commands, G_N_ELEMENTS (commands), 0);
}
static void
test9 (void)
{
static const Command commands[] = {
{ INSERT, 0, -1, "foo bar", "foo bar", SET, UNSET, UNSET },
{ DELETE_KEY, 0, 3, "foo", " bar", SET, UNSET, UNSET, DO_SELECT },
{ DELETE_KEY, 0, 4, " bar", "", SET, UNSET, UNSET, DO_SELECT },
{ UNDO, -1, -1, NULL, " bar", SET, SET, UNSET },
{ CHECK_SELECT, 0, 4, NULL, " bar", SET, SET, UNSET },
{ UNDO, -1, -1, NULL, "foo bar", SET, SET, UNSET },
{ CHECK_SELECT, 0, 3, NULL, "foo bar", SET, SET, UNSET },
{ BEGIN_IRREVERSIBLE, -1, -1, NULL, "foo bar", UNSET, UNSET, UNSET },
{ END_IRREVERSIBLE, -1, -1, NULL, "foo bar", UNSET, UNSET, UNSET },
};
run_test (commands, G_N_ELEMENTS (commands), 0);
}
static void
test10 (void)
{
static const Command commands[] = {
{ BEGIN_USER }, { INSERT, 0, -1, "t", "t", UNSET, UNSET, UNSET }, { END_USER },
{ BEGIN_USER }, { INSERT, 1, -1, " ", "t ", UNSET, UNSET, UNSET }, { END_USER },
{ BEGIN_USER }, { INSERT, 2, -1, "t", "t t", UNSET, UNSET, UNSET }, { END_USER },
{ BEGIN_USER }, { INSERT, 3, -1, "h", "t th", UNSET, UNSET, UNSET }, { END_USER },
{ BEGIN_USER }, { INSERT, 4, -1, "i", "t thi", UNSET, UNSET, UNSET }, { END_USER },
{ BEGIN_USER }, { INSERT, 5, -1, "s", "t this", UNSET, UNSET, UNSET }, { END_USER },
};
run_test (commands, G_N_ELEMENTS (commands), 0);
}
static void
test11 (void)
{
/* Test backspace */
static const Command commands[] = {
{ INSERT_SEQ, 0, -1, "insert some text", "insert some text", SET, UNSET, UNSET },
{ BACKSPACE, 15, 16, "t", "insert some tex", SET, UNSET, UNSET },
{ BACKSPACE, 14, 15, "x", "insert some te", SET, UNSET, UNSET },
{ BACKSPACE, 13, 14, "e", "insert some t", SET, UNSET, UNSET },
{ BACKSPACE, 12, 13, "t", "insert some ", SET, UNSET, UNSET },
{ UNDO, -1, -1, NULL, "insert some text", SET, SET, UNSET },
};
run_test (commands, G_N_ELEMENTS (commands), 0);
}
static void
test12 (void)
{
static const Command commands[] = {
{ INSERT_SEQ, 0, -1, "this is a test\nmore", "this is a test\nmore", SET, UNSET, UNSET },
{ UNDO, -1, -1, NULL, "this is a test\n", SET, SET, UNSET },
{ UNDO, -1, -1, NULL, "this is a test", SET, SET, UNSET },
{ UNDO, -1, -1, NULL, "this is a", SET, SET, UNSET },
{ UNDO, -1, -1, NULL, "this is", SET, SET, UNSET },
{ UNDO, -1, -1, NULL, "this", SET, SET, UNSET },
{ UNDO, -1, -1, NULL, "", UNSET, SET, UNSET },
};
run_test (commands, G_N_ELEMENTS (commands), 0);
}
static void
test13 (void)
{
static const Command commands[] = {
{ INSERT_SEQ, 0, -1, "this is a test\nmore", "this is a test\nmore", SET, UNSET, UNSET },
{ UNDO, -1, -1, NULL, "this is a test\n", SET, SET, UNSET },
{ UNDO, -1, -1, NULL, "this is a test", SET, SET, UNSET },
{ UNDO, -1, -1, NULL, "this is a", UNSET, SET, UNSET },
{ UNDO, -1, -1, NULL, "this is a", UNSET, SET, UNSET },
{ SET_MAX_UNDO, 2, -1, NULL, "this is a", UNSET, SET, UNSET },
{ REDO, -1, -1, NULL, "this is a test", SET, SET, UNSET },
{ REDO, -1, -1, NULL, "this is a test\n", SET, UNSET, UNSET },
{ REDO, -1, -1, NULL, "this is a test\n", SET, UNSET, UNSET },
};
run_test (commands, G_N_ELEMENTS (commands), 3);
}
int
main (int argc,
char *argv[])
{
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/Gtk/TextHistory/test1", test1);
g_test_add_func ("/Gtk/TextHistory/test2", test2);
g_test_add_func ("/Gtk/TextHistory/test3", test3);
g_test_add_func ("/Gtk/TextHistory/test4", test4);
g_test_add_func ("/Gtk/TextHistory/test5", test5);
g_test_add_func ("/Gtk/TextHistory/test6", test6);
g_test_add_func ("/Gtk/TextHistory/test7", test7);
g_test_add_func ("/Gtk/TextHistory/test8", test8);
g_test_add_func ("/Gtk/TextHistory/test9", test9);
g_test_add_func ("/Gtk/TextHistory/test10", test10);
g_test_add_func ("/Gtk/TextHistory/test11", test11);
g_test_add_func ("/Gtk/TextHistory/test12", test12);
g_test_add_func ("/Gtk/TextHistory/test13", test13);
return g_test_run ();
}