reifydb_value/config/
u128.rs

1// SPDX-License-Identifier: Apache-2.0
2// Copyright (c) 2026 ReifyDB
3
4use super::Config;
5
6impl Config {
7	pub fn u128(&self, key: &str) -> Option<u128> {
8		self.opt_coerce(key)
9	}
10
11	pub fn require_u128(&self, key: &str) -> u128 {
12		self.opt_coerce(key).unwrap_or_else(|| self.missing(key, "an unsigned integer"))
13	}
14
15	pub fn u128_or(&self, key: &str, default: u128) -> u128 {
16		self.opt_coerce(key).unwrap_or(default)
17	}
18}
19
20#[cfg(test)]
21mod tests {
22	use super::super::testutil::config;
23	use crate::value::Value;
24
25	#[test]
26	fn casts_every_unsigned_width() {
27		let cfg = config(vec![("a", Value::Uint1(1)), ("b", Value::Uint16(u128::MAX)), ("c", Value::Int8(7))]);
28		assert_eq!(cfg.u128("a"), Some(1));
29		assert_eq!(cfg.u128("b"), Some(u128::MAX), "Uint16 round-trips through u128");
30		assert_eq!(cfg.u128("c"), Some(7), "non-negative signed coerces to u128");
31	}
32
33	#[test]
34	fn rejects_negative() {
35		let cfg = config(vec![("neg", Value::Int16(-1))]);
36		assert_eq!(cfg.u128("neg"), None, "negative does not coerce to unsigned");
37	}
38
39	#[test]
40	fn rejects_non_integer() {
41		let cfg = config(vec![("f", Value::float8(1.0)), ("s", Value::utf8("1"))]);
42		assert_eq!(cfg.u128("f"), None);
43		assert_eq!(cfg.u128("s"), None);
44	}
45
46	#[test]
47	fn or_and_require_behavior() {
48		let cfg = config(vec![("present", Value::Uint16(9))]);
49		assert_eq!(cfg.u128_or("present", 1), 9);
50		assert_eq!(cfg.u128_or("absent", 1), 1);
51		assert_eq!(cfg.require_u128("present"), 9);
52	}
53
54	#[test]
55	#[should_panic(expected = "is missing or not an unsigned integer")]
56	fn require_panics_when_missing() {
57		let cfg = config(vec![]);
58		cfg.require_u128("k");
59	}
60}
reifydb_value/config/u128.rs

reifydb_value/config/
u128.rs
