reifydb_value/config/
i16.rs1use 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}