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Add util function to parse a list of integers

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This will help parsing arguments like '1234:5678' into a list of
integers.
This commit is contained in:
Romain Vimont 2019-12-09 14:32:59 +01:00
commit 2a3a9d4ea9
3 changed files with 84 additions and 0 deletions
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50
app/tests/test_strutil.c
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@ -187,6 +187,55 @@ static void test_parse_integer(void) {
assert(!ok); // out-of-range
}
static void test_parse_integers(void) {
long values[5];
size_t count = parse_integers("1234", ':', 5, values);
assert(count == 1);
assert(values[0] == 1234);
count = parse_integers("1234:5678", ':', 5, values);
assert(count == 2);
assert(values[0] == 1234);
assert(values[1] == 5678);
count = parse_integers("1234:5678", ':', 2, values);
assert(count == 2);
assert(values[0] == 1234);
assert(values[1] == 5678);
count = parse_integers("1234:-5678", ':', 2, values);
assert(count == 2);
assert(values[0] == 1234);
assert(values[1] == -5678);
count = parse_integers("1:2:3:4:5", ':', 5, values);
assert(count == 5);
assert(values[0] == 1);
assert(values[1] == 2);
assert(values[2] == 3);
assert(values[3] == 4);
assert(values[4] == 5);
count = parse_integers("1234:5678", ':', 1, values);
assert(count == 0); // max_items == 1
count = parse_integers("1:2:3:4:5", ':', 3, values);
assert(count == 0); // max_items == 3
count = parse_integers(":1234", ':', 5, values);
assert(count == 0); // invalid
count = parse_integers("1234:", ':', 5, values);
assert(count == 0); // invalid
count = parse_integers("1234:", ':', 1, values);
assert(count == 0); // invalid, even when max_items == 1
count = parse_integers("1234::5678", ':', 5, values);
assert(count == 0); // invalid
}
static void test_parse_integer_with_suffix(void) {
long value;
bool ok = parse_integer_with_suffix("1234", &value);
@ -249,6 +298,7 @@ int main(void) {
test_strquote();
test_utf8_truncate();
test_parse_integer();
test_parse_integers();
test_parse_integer_with_suffix();
return 0;
}