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|
use wasm_bindgen::prelude::*;
use wasm_bindgen_test::*;
#[wasm_bindgen(module = "tests/wasm/math.js")]
extern "C" {
fn js_auto_bind_math();
// There's an identity function called `roundtrip` in the module and we bind
// that one function with multiple different signatures here. Note that the
// return value is always `f64` to faithfully capture what was sent to JS
// (what we're interested in) because all JS numbers fit in `f64` anyway.
// This is testing what happens when we pass numbers to JS and what it sees.
#[wasm_bindgen(assert_no_shim, js_name = roundtrip)]
fn roundtrip_i8(a: i8) -> f64;
#[wasm_bindgen(assert_no_shim, js_name = roundtrip)]
fn roundtrip_i16(a: i16) -> f64;
#[wasm_bindgen(assert_no_shim, js_name = roundtrip)]
fn roundtrip_i32(a: i32) -> f64;
#[wasm_bindgen(assert_no_shim, js_name = roundtrip)]
fn roundtrip_u8(a: u8) -> f64;
#[wasm_bindgen(assert_no_shim, js_name = roundtrip)]
fn roundtrip_u16(a: u16) -> f64;
#[wasm_bindgen(js_name = roundtrip)]
fn roundtrip_u32(a: u32) -> f64;
fn test_js_roundtrip();
}
#[wasm_bindgen]
pub fn math(a: f32, b: f64) -> f64 {
b.acos()
+ b.asin()
+ b.atan()
+ b.atan2(b)
+ b.cbrt()
+ b.cosh()
+ b.exp_m1()
+ b.ln_1p()
+ b.sinh()
+ b.tan()
+ b.tanh()
+ b.hypot(b)
+ b.cos()
+ b.exp()
+ b.exp2()
+ b.mul_add(b, b)
+ b.ln()
+ b.log(b)
+ b.log10()
+ b.log2()
+ b.powi(8)
+ b.powf(b)
+ b.round()
+ b.sin()
+ b.abs()
+ b.signum()
+ b.floor()
+ b.ceil()
+ b.trunc()
+ b.sqrt()
+ (b % (a as f64))
+ ((a.cos()
+ a.exp()
+ a.exp2()
+ a.mul_add(a, a)
+ a.ln()
+ a.log(a)
+ a.log10()
+ a.log2()
+ a.powi(8)
+ a.powf(a)
+ a.round()
+ a.sin()
+ a.abs()
+ a.signum()
+ a.floor()
+ a.ceil()
+ a.trunc()
+ a.sqrt()
+ (a % (b as f32))) as f64)
+ (b + 2.0f64.powf(a as f64))
}
#[wasm_bindgen_test]
fn auto_bind_math() {
js_auto_bind_math();
}
macro_rules! t_roundtrip {
($f:ident($e:expr)) => {
assert_eq!($f($e), $e as f64)
};
}
#[wasm_bindgen_test]
fn limits_correct() {
t_roundtrip!(roundtrip_i8(i8::min_value()));
t_roundtrip!(roundtrip_i8(0));
t_roundtrip!(roundtrip_i8(i8::max_value()));
t_roundtrip!(roundtrip_i16(i16::min_value()));
t_roundtrip!(roundtrip_i16(0));
t_roundtrip!(roundtrip_i16(i16::max_value()));
t_roundtrip!(roundtrip_i32(i32::min_value()));
t_roundtrip!(roundtrip_i32(0));
t_roundtrip!(roundtrip_i32(i32::max_value()));
t_roundtrip!(roundtrip_u8(u8::min_value()));
t_roundtrip!(roundtrip_u8(0));
t_roundtrip!(roundtrip_u8(u8::max_value()));
t_roundtrip!(roundtrip_u16(u16::min_value()));
t_roundtrip!(roundtrip_u16(0));
t_roundtrip!(roundtrip_u16(u16::max_value()));
t_roundtrip!(roundtrip_u32(u32::min_value()));
t_roundtrip!(roundtrip_u32(0));
t_roundtrip!(roundtrip_u32(u32::max_value()));
test_js_roundtrip();
#[wasm_bindgen]
pub fn rust_roundtrip_i8(a: i8) -> i8 {
a
}
#[wasm_bindgen]
pub fn rust_roundtrip_i16(a: i16) -> i16 {
a
}
#[wasm_bindgen]
pub fn rust_roundtrip_i32(a: i32) -> i32 {
a
}
#[wasm_bindgen]
pub fn rust_roundtrip_u8(a: u8) -> u8 {
a
}
#[wasm_bindgen]
pub fn rust_roundtrip_u16(a: u16) -> u16 {
a
}
#[wasm_bindgen]
pub fn rust_roundtrip_u32(a: u32) -> u32 {
a
}
}
|
