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Add a tool to wrap lines at words boundaries (spaces) to fit in a
specified number of columns, left-indented by a specified number of
spaces.
This commit is contained in:
Romain Vimont
2021-11-06 20:26:35 +01:00
parent 6dba1922c1
commit 9ec3406568
4 changed files with 130 additions and 0 deletions
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39
app/tests/test_strutil.c
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@@ -299,6 +299,44 @@ static void test_strlist_contains(void) {
assert(strlist_contains("xyz", '\0', "xyz"));
}
static void test_wrap_lines(void) {
const char *s = "This is a text to test line wrapping. The lines must be "
"wrapped at a space or a line break.\n"
"\n"
"This rectangle must remains a rectangle because it is "
"drawn in lines having lengths lower than the specified "
"number of columns:\n"
" +----+\n"
" | |\n"
" +----+\n";
// |---- 1 1 2 2|
// |0 5 0 5 0 3| <-- 24 columns
const char *expected = " This is a text to\n"
" test line wrapping.\n"
" The lines must be\n"
" wrapped at a space\n"
" or a line break.\n"
" \n"
" This rectangle must\n"
" remains a rectangle\n"
" because it is drawn\n"
" in lines having\n"
" lengths lower than\n"
" the specified number\n"
" of columns:\n"
" +----+\n"
" | |\n"
" +----+\n";
char *formatted = sc_str_wrap_lines(s, 24, 4);
assert(formatted);
assert(!strcmp(formatted, expected));
free(formatted);
}
int main(int argc, char *argv[]) {
(void) argc;
(void) argv;
@@ -317,5 +355,6 @@ int main(int argc, char *argv[]) {
test_parse_integers();
test_parse_integer_with_suffix();
test_strlist_contains();
test_wrap_lines();
return 0;
}