reifydb_value/config/
i8.rs

1// SPDX-License-Identifier: Apache-2.0
2// Copyright (c) 2026 ReifyDB
3
4use super::Config;
5
6impl Config {
7	pub fn i8(&self, key: &str) -> Option<i8> {
8		self.opt_coerce(key)
9	}
10
11	pub fn require_i8(&self, key: &str) -> i8 {
12		self.opt_coerce(key).unwrap_or_else(|| self.missing(key, "an integer"))
13	}
14
15	pub fn i8_or(&self, key: &str, default: i8) -> i8 {
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_widths_that_fit() {
27		let cfg = config(vec![("a", Value::Int1(-128)), ("b", Value::Int8(127)), ("c", Value::Uint4(5))]);
28		assert_eq!(cfg.i8("a"), Some(-128));
29		assert_eq!(cfg.i8("b"), Some(127), "wider signed within i8 range coerces down");
30		assert_eq!(cfg.i8("c"), Some(5), "unsigned within range coerces to i8");
31	}
32
33	#[test]
34	fn rejects_out_of_range() {
35		let cfg = config(vec![("hi", Value::Int2(128)), ("lo", Value::Int2(-129)), ("u", Value::Uint1(200))]);
36		assert_eq!(cfg.i8("hi"), None, "128 exceeds i8::MAX");
37		assert_eq!(cfg.i8("lo"), None, "-129 below i8::MIN");
38		assert_eq!(cfg.i8("u"), None, "200 exceeds i8::MAX");
39	}
40
41	#[test]
42	fn rejects_non_integer() {
43		let cfg = config(vec![("f", Value::float8(1.0)), ("s", Value::utf8("1"))]);
44		assert_eq!(cfg.i8("f"), None);
45		assert_eq!(cfg.i8("s"), None);
46	}
47
48	#[test]
49	fn or_and_require_behavior() {
50		let cfg = config(vec![("present", Value::Int1(-9))]);
51		assert_eq!(cfg.i8_or("present", 1), -9);
52		assert_eq!(cfg.i8_or("absent", 1), 1);
53		assert_eq!(cfg.require_i8("present"), -9);
54	}
55
56	#[test]
57	#[should_panic(expected = "is missing or not an integer")]
58	fn require_panics_when_missing() {
59		let cfg = config(vec![]);
60		cfg.require_i8("k");
61	}
62}
reifydb_value/config/i8.rs

reifydb_value/config/
i8.rs
