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reifydb_value/config/
i16.rs

1// SPDX-License-Identifier: Apache-2.0
2// Copyright (c) 2026 ReifyDB
3
4use super::Config;
5
6impl Config {
7	pub fn i16(&self, key: &str) -> Option<i16> {
8		self.opt_coerce(key)
9	}
10
11	pub fn require_i16(&self, key: &str) -> i16 {
12		self.opt_coerce(key).unwrap_or_else(|| self.missing(key, "an integer"))
13	}
14
15	pub fn i16_or(&self, key: &str, default: i16) -> i16 {
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(-100)), ("b", Value::Int4(32767)), ("c", Value::Uint2(300))]);
28		assert_eq!(cfg.i16("a"), Some(-100));
29		assert_eq!(cfg.i16("b"), Some(32767));
30		assert_eq!(cfg.i16("c"), Some(300), "unsigned within range coerces to i16");
31	}
32
33	#[test]
34	fn rejects_out_of_range() {
35		let cfg = config(vec![("hi", Value::Int4(32768)), ("u", Value::Uint4(40000))]);
36		assert_eq!(cfg.i16("hi"), None, "32768 exceeds i16::MAX");
37		assert_eq!(cfg.i16("u"), None, "40000 exceeds i16::MAX");
38	}
39
40	#[test]
41	fn rejects_non_integer() {
42		let cfg = config(vec![("f", Value::float4(1.0f32)), ("b", Value::Boolean(true))]);
43		assert_eq!(cfg.i16("f"), None);
44		assert_eq!(cfg.i16("b"), None);
45	}
46
47	#[test]
48	fn or_and_require_behavior() {
49		let cfg = config(vec![("present", Value::Int2(-9))]);
50		assert_eq!(cfg.i16_or("present", 1), -9);
51		assert_eq!(cfg.i16_or("absent", 1), 1);
52		assert_eq!(cfg.require_i16("present"), -9);
53	}
54
55	#[test]
56	#[should_panic(expected = "is missing or not an integer")]
57	fn require_panics_when_missing() {
58		let cfg = config(vec![]);
59		cfg.require_i16("k");
60	}
61}