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feat: Temporal.PlainYearMonth add/subtract——时长转换复用、低阶单位拒绝与按日 1 的 (年,月) 范围

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彭俊皓
2026-09-12 06:51:10 +00:00
parent 32cfc066f1
commit db0521f950
3 changed files with 153 additions and 0 deletions
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crates/oxide_vm/src/bindings/bind_temporal.rs
+6
View File
@@ -1143,6 +1143,12 @@ pub fn bind_temporal(core: &Arc<KernelCore>, session: &KernelSession, global: &m
oxide_builtins::temporal::plain_year_month_equals::<crate::vm::Vm> as *const (),
1,
),
("add", oxide_builtins::temporal::plain_year_month_add::<crate::vm::Vm> as *const (), 1),
(
"subtract",
oxide_builtins::temporal::plain_year_month_subtract::<crate::vm::Vm> as *const (),
1,
),
],
);
bind_well_known_data_property(
crates/oxide_vm/tests/builtins_temporal_tests.rs
+82
View File
@@ -3324,3 +3324,85 @@ fn plain_year_month_equals_matrix() {
"true|false|false|false|true|true|true|true|true|true|TypeError|TypeError|TypeError|RangeError|TypeError|RangeError|TypeError|true"
);
}
#[test]
fn plain_year_month_add_matrix() {
let mut vm = Vm::new();
// add：ToTemporalDuration（串/bag/实例）→ 读 overflow → weeks/days/时间分量
// 非零 RangeError；(年,月) 折绝对月数平衡；接收方与结果均按日 1 查可表示性
// （-271821-04 加零时长也 RangeError）；结果参考日恒 1。
let r = eval(
&mut vm,
"(() => {
const kind = (fn) => { try { fn(); return 'no'; } catch (e) { return e.constructor.name; } };
const ym = (s) => Temporal.PlainYearMonth.from(s);
return [
ym('2019-11').add({months: 2}).toString(),
ym('2019-11').add({years: 1}).toString(),
ym('2019-11').add({months: -2}).toString(),
ym('2000-05').add('P3M').toString(),
ym('1994-11').add(Temporal.Duration.from('P18Y7M')).toString(),
new Temporal.PlainYearMonth(2025, 8).add(new Temporal.Duration()).toString(),
ym('2019-11').add({years: 1, months: 2}).toString(),
ym('1970-01').add('-P273790Y8M').toString(),
ym('1970-01').add('P3285488M').toString(),
kind(() => ym('2019-11').add({days: 1})),
kind(() => ym('2019-11').add({hours: 1})),
kind(() => ym('2019-11').add(new Temporal.Duration(0, 0, 0, -1))),
kind(() => ym('2019-11').add({years: 1, months: -3})),
kind(() => ym('2019-11').add({year: 1})),
kind(() => ym('2019-11').add({})),
kind(() => ym('2019-11').add(7)),
kind(() => ym('2019-11').add('')),
kind(() => ym('2019-11').add({months: 1.5})),
kind(() => ym('2019-11').add({months: Infinity})),
kind(() => ym('2019-11').add('P4294967296M')),
kind(() => ym('+275760-09').add({months: 1})),
kind(() => ym('-271821-04').add(new Temporal.Duration())),
kind(() => ym('2019-11').add({months: 1}, null)),
ym('2023-05').add({months: 12}, {overflow: 'reject'}).toString(),
ym('2023-05').add({months: 12}, {overflow: 'constrain'}).toString(),
].join('|');
})()",
)
.unwrap();
assert_eq!(
str_val(&vm, r),
"2020-01|2020-11|2019-09|2000-08|2013-06|2025-08|2021-01|-271821-05|+275760-09|RangeError|RangeError|RangeError|RangeError|TypeError|TypeError|TypeError|RangeError|RangeError|RangeError|RangeError|RangeError|RangeError|TypeError|2024-05|2024-05"
);
}
#[test]
fn plain_year_month_subtract_matrix() {
let mut vm = Vm::new();
// subtract 与 add 同核（sign 取反）；日历保留；低阶单位与非零时间分量
// RangeError；单数键 TypeError；接收方/结果按日 1 可表示性。
let r = eval(
&mut vm,
"(() => {
const kind = (fn) => { try { fn(); return 'no'; } catch (e) { return e.constructor.name; } };
const ym = (s) => Temporal.PlainYearMonth.from(s);
return [
ym('2013-06').subtract(Temporal.Duration.from('P18Y7M')).toString(),
ym('2000-05').subtract('P3M').toString(),
ym('2019-11').subtract({years: 1, months: 2}).toString(),
ym('+275760-09').subtract({months: 1}).toString(),
ym('+275760-09').subtract({years: 1}).toString(),
ym('1970-01').subtract('P273790Y8M').toString(),
kind(() => ym('2019-11').subtract({weeks: 1})),
kind(() => ym('2019-11').subtract({seconds: 1})),
kind(() => ym('2019-11').subtract({months: -1, years: 1})),
kind(() => ym('2019-11').subtract({month: 1})),
kind(() => ym('-271821-04').subtract({months: 1})),
kind(() => ym('-271821-04').subtract(new Temporal.Duration())),
kind(() => ym('2019-11').subtract({months: 1}, 1)),
kind(() => ym('2019-11').subtract('junk')),
].join('|');
})()",
)
.unwrap();
assert_eq!(
str_val(&vm, r),
"1994-11|2000-02|2018-09|+275760-08|+275759-09|-271821-05|RangeError|RangeError|RangeError|TypeError|RangeError|RangeError|TypeError|RangeError"
);
}