use super::Config;
impl Config {
pub fn u64(&self, key: &str) -> Option<u64> {
self.opt_coerce(key)
}
pub fn require_u64(&self, key: &str) -> u64 {
self.opt_coerce(key).unwrap_or_else(|| self.missing(key, "an unsigned integer"))
}
pub fn u64_or(&self, key: &str, default: u64) -> u64 {
self.opt_coerce(key).unwrap_or(default)
}
}
#[cfg(test)]
mod tests {
use super::super::testutil::config;
use crate::value::Value;
#[test]
fn casts_every_unsigned_width() {
let cfg = config(vec![
("a", Value::Uint1(1)),
("b", Value::Uint2(2)),
("c", Value::Uint4(3)),
("d", Value::Uint8(4)),
("e", Value::Uint16(5)),
]);
assert_eq!(cfg.u64("a"), Some(1));
assert_eq!(cfg.u64("b"), Some(2));
assert_eq!(cfg.u64("c"), Some(3));
assert_eq!(cfg.u64("d"), Some(4));
assert_eq!(cfg.u64("e"), Some(5), "Uint16 within range coerces to u64");
}
#[test]
fn casts_non_negative_signed_width() {
let cfg = config(vec![
("a", Value::Int1(1)),
("b", Value::Int2(2)),
("c", Value::Int4(3)),
("d", Value::Int8(4)),
("e", Value::Int16(5)),
]);
assert_eq!(cfg.u64("a"), Some(1));
assert_eq!(cfg.u64("b"), Some(2));
assert_eq!(cfg.u64("c"), Some(3));
assert_eq!(cfg.u64("d"), Some(4));
assert_eq!(cfg.u64("e"), Some(5), "non-negative Int16 coerces to u64");
}
#[test]
fn rejects_negative_signed() {
let cfg = config(vec![("a", Value::Int1(-1)), ("b", Value::Int4(-3)), ("c", Value::Int16(-7))]);
assert_eq!(cfg.u64("a"), None, "negative does not coerce to unsigned");
assert_eq!(cfg.u64("b"), None, "negative does not coerce to unsigned");
assert_eq!(cfg.u64("c"), None, "negative does not coerce to unsigned");
}
#[test]
fn rejects_uint16_above_u64_max() {
let cfg = config(vec![("a", Value::Uint16(u64::MAX as u128 + 1))]);
assert_eq!(cfg.u64("a"), None, "Uint16 above u64::MAX is range-checked and rejected");
}
#[test]
fn rejects_non_integer_values() {
let cfg = config(vec![("f", Value::float8(1.0)), ("s", Value::utf8("3")), ("b", Value::Boolean(true))]);
assert_eq!(cfg.u64("f"), None, "floats do not coerce to u64");
assert_eq!(cfg.u64("s"), None, "strings are not integers");
assert_eq!(cfg.u64("b"), None, "booleans are not integers");
}
#[test]
fn opt_and_or_handle_absent() {
let cfg = config(vec![("present", Value::Uint4(9))]);
assert_eq!(cfg.u64("absent"), None);
assert_eq!(cfg.u64_or("present", 1), 9);
assert_eq!(cfg.u64_or("absent", 1), 1);
}
#[test]
fn require_returns_value_when_present() {
let cfg = config(vec![("window_duration", Value::Uint8(60))]);
assert_eq!(cfg.require_u64("window_duration"), 60);
}
#[test]
#[should_panic(expected = "test_op: required config 'window_duration' is missing or not an unsigned integer")]
fn require_panics_when_missing() {
let cfg = config(vec![]);
cfg.require_u64("window_duration");
}
}