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js-sys: Add extends to Math

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Part of #670
This commit is contained in:
Nick Fitzgerald
2018-09-06 13:39:30 -07:00
parent 5df2347a7a
commit bfff8661c1
2 changed files with 14 additions and 0 deletions
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13
crates/js-sys/tests/wasm/Math.rs
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@ -1,9 +1,22 @@
use std::f64::consts::PI;
use std::f64::{NEG_INFINITY, NAN};
use wasm_bindgen::{JsCast, prelude::*};
use wasm_bindgen_test::*;
use js_sys::*;
#[wasm_bindgen_test]
fn math_extends() {
#[wasm_bindgen]
extern {
#[wasm_bindgen(js_name = Math)]
static math: Math;
}
assert!(math.is_instance_of::<Object>());
let _: &Object = math.as_ref();
}
macro_rules! assert_eq {
($a:expr, $b:expr) => ({
let (a, b) = (&$a, &$b);