mirror of
https://github.com/rustwasm/wasm-bindgen.git
synced 2024-12-17 14:31:45 +03:00
326 lines
8.6 KiB
Rust
326 lines
8.6 KiB
Rust
use js_sys::*;
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use wasm_bindgen::JsCast;
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use wasm_bindgen::JsValue;
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use wasm_bindgen_test::*;
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macro_rules! js_array {
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($($e:expr),*) => ({
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let __x = Array::new();
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$(__x.push(&JsValue::from($e));)*
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__x
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})
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}
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macro_rules! array {
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($($e:expr),*) => ({
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let mut __x = Vec::new();
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$(__x.push(JsValue::from($e));)*
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__x
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})
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}
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fn to_rust(arr: &Array) -> Vec<JsValue> {
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let mut result = Vec::with_capacity(arr.length() as usize);
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arr.for_each(&mut |x, _, _| result.push(x));
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result
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}
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#[wasm_bindgen_test]
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fn filter() {
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let array = js_array!["a", "c", "x", "n"];
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assert!(array.filter(&mut |x, _, _| x.as_f64().is_some()).length() == 0);
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let array = js_array![1, 2, 3, 4];
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assert_eq!(
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array.filter(&mut |x, _, _| x.as_f64().is_some()).length(),
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4
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);
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let array = js_array!["a", 1, "b", 2];
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assert_eq!(
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array.filter(&mut |x, _, _| x.as_f64().is_some()).length(),
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2
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);
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}
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#[wasm_bindgen_test]
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fn index_of() {
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let chars = js_array!["a", "c", "x", "n"];
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assert_eq!(chars.index_of(&"x".into(), 0), 2);
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assert_eq!(chars.index_of(&"z".into(), 0), -1);
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assert_eq!(chars.index_of(&"x".into(), -3), 2);
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assert_eq!(chars.index_of(&"z".into(), -2), -1);
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}
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#[wasm_bindgen_test]
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fn is_array() {
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assert!(Array::is_array(&Array::new().into()));
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assert!(Array::is_array(&js_array![1].into()));
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assert!(!Array::is_array(&JsValue::null()));
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assert!(!Array::is_array(&JsValue::undefined()));
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assert!(!Array::is_array(&10.into()));
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assert!(!Array::is_array(&"x".into()));
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assert!(!Array::is_array(&true.into()));
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assert!(!Array::is_array(&false.into()));
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}
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#[wasm_bindgen_test]
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fn sort() {
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let array = js_array![3, 1, 6, 2];
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let sorted = array.sort();
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assert_eq!(to_rust(&sorted), array![1, 2, 3, 6]);
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}
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#[wasm_bindgen_test]
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fn some() {
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let array = js_array!["z", 1, "y", 2];
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assert!(array.some(&mut |e| e == JsValue::from(2)));
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assert!(array.some(&mut |e| e == JsValue::from("y")));
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assert!(!array.some(&mut |e| e == JsValue::from("nope")));
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}
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#[wasm_bindgen_test]
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fn last_index_of() {
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let characters = js_array!["a", "x", "c", "x", "n"];
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assert_eq!(characters.last_index_of(&"x".into(), 5), 3);
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assert_eq!(characters.last_index_of(&"z".into(), 5), -1);
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assert_eq!(characters.last_index_of(&"x".into(), 2), 1);
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assert_eq!(characters.last_index_of(&"x".into(), 0), -1);
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}
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#[wasm_bindgen_test]
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fn join() {
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let characters = js_array!["a", "c", "x", "n"];
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assert_eq!(String::from(characters.join(", ")), "a, c, x, n");
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assert_eq!(String::from(characters.join("/")), "a/c/x/n");
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}
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#[wasm_bindgen_test]
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fn slice() {
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let characters = js_array!["a", "c", "x", "n", 1, "8"];
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let subset = characters.slice(1, 3);
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assert_eq!(to_rust(&subset), array!["c", "x"]);
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}
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#[wasm_bindgen_test]
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fn splice() {
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let characters = js_array!["a", "c", "x", "n", 1, "8"];
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let removed = characters.splice(1, 3, &"b".into());
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assert_eq!(to_rust(&removed), array!["c", "x", "n"]);
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assert_eq!(to_rust(&characters), array!["a", "b", 1, "8"]);
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}
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#[wasm_bindgen_test]
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fn fill() {
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let characters = js_array!["a", "c", "x", "n", 1, "8"];
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let subset = characters.fill(&0.into(), 0, 3);
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assert_eq!(to_rust(&subset), array![0, 0, 0, "n", 1, "8"]);
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}
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#[wasm_bindgen_test]
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fn copy_within() {
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let characters = js_array![8, 5, 4, 3, 1, 2];
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characters.copy_within(1, 4, 5);
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assert_eq!(to_rust(&characters)[1], JsValue::from(1));
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// if negatives were used
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characters.copy_within(-1, -3, -2);
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assert_eq!(to_rust(&characters)[5], JsValue::from(3));
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}
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#[wasm_bindgen_test]
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fn of() {
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let a = JsValue::from("a");
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let b = JsValue::from("b");
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let c = JsValue::from("c");
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let arr = Array::of3(&a, &b, &c);
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let vec = to_rust(&arr);
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assert_eq!(vec.len(), 3);
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assert_eq!(vec[0], a);
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assert_eq!(vec[1], b);
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assert_eq!(vec[2], c);
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}
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#[wasm_bindgen_test]
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fn pop() {
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let characters = js_array![8, 5, 4, 3, 1, 2];
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let item = characters.pop();
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assert_eq!(item, JsValue::from(2));
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assert_eq!(characters.length(), 5);
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}
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#[wasm_bindgen_test]
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fn push() {
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let characters = js_array![8, 5, 4, 3, 1, 2];
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let length = characters.push(&"a".into());
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assert_eq!(length, 7);
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assert_eq!(to_rust(&characters)[6], "a");
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}
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#[wasm_bindgen_test]
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fn reverse() {
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let characters = js_array![8, 5, 4, 3, 1, 2];
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let reversed = characters.reverse();
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assert_eq!(to_rust(&reversed), array![2, 1, 3, 4, 5, 8]);
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}
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#[wasm_bindgen_test]
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fn shift() {
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let characters = js_array![8, 5, 4, 3, 1, 2];
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let shiftedItem = characters.shift();
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assert_eq!(shiftedItem, 8);
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assert_eq!(characters.length(), 5);
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}
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#[wasm_bindgen_test]
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fn unshift() {
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let characters = js_array![8, 5, 4, 3, 1, 2];
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let length = characters.unshift(&"abba".into());
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assert_eq!(length, 7);
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assert_eq!(to_rust(&characters)[0], "abba");
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}
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#[wasm_bindgen_test]
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fn to_string() {
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let characters = js_array![8, 5, 4, 3, 1, 2];
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assert_eq!(String::from(characters.to_string()), "8,5,4,3,1,2");
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}
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#[wasm_bindgen_test]
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fn includes() {
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let characters = js_array![8, 5, 4, 3, 1, 2];
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assert!(characters.includes(&2.into(), 0));
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assert!(!characters.includes(&9.into(), 0));
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assert!(!characters.includes(&3.into(), 4));
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}
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#[wasm_bindgen_test]
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fn concat() {
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let arr1 = js_array![1, 2, 3];
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let arr2 = js_array![4, 5, 6];
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let new_array = arr1.concat(&arr2);
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assert_eq!(to_rust(&new_array), array![1, 2, 3, 4, 5, 6]);
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}
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#[wasm_bindgen_test]
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fn length() {
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let characters = js_array![8, 5, 4, 3, 1, 2];
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assert_eq!(characters.length(), 6);
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assert_eq!(Array::new().length(), 0);
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}
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#[wasm_bindgen_test]
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fn every() {
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let even = js_array![2, 4, 6, 8];
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assert!(even.every(&mut |x, _, _| x.as_f64().unwrap() % 2.0 == 0.0));
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let odd = js_array![1, 3, 5, 7];
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assert!(!odd.every(&mut |x, _, _| x.as_f64().unwrap() % 2.0 == 0.0));
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let mixed = js_array![2, 3, 4, 5];
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assert!(!mixed.every(&mut |x, _, _| x.as_f64().unwrap() % 2.0 == 0.0));
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}
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#[wasm_bindgen_test]
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fn find() {
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let even = js_array![2, 4, 6, 8];
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assert_eq!(
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even.find(&mut |x, _, _| x.as_f64().unwrap() % 2.0 == 0.0),
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2
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);
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let odd = js_array![1, 3, 5, 7];
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assert_eq!(
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odd.find(&mut |x, _, _| x.as_f64().unwrap() % 2.0 == 0.0),
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JsValue::undefined(),
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);
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let mixed = js_array![3, 5, 7, 10];
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assert_eq!(
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mixed.find(&mut |x, _, _| x.as_f64().unwrap() % 2.0 == 0.0),
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10
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);
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}
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#[wasm_bindgen_test]
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fn map() {
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let numbers = js_array![1, 4, 9];
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let sqrt = numbers.map(&mut |x, _, _| x.as_f64().unwrap().sqrt().into());
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assert_eq!(to_rust(&sqrt), array![1, 2, 3]);
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}
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#[wasm_bindgen_test]
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fn reduce() {
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let arr = js_array!["0", "1", "2", "3", "4"].reduce(
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&mut |ac, cr, _, _| {
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format!("{}{}", &ac.as_string().unwrap(), &cr.as_string().unwrap()).into()
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},
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&"".into(),
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);
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assert_eq!(arr, "01234");
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}
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#[wasm_bindgen_test]
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fn reduce_right() {
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let arr = js_array!["0", "1", "2", "3", "4"].reduce_right(
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&mut |ac, cr, _, _| {
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format!("{}{}", &ac.as_string().unwrap(), &cr.as_string().unwrap()).into()
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},
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&"".into(),
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);
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assert_eq!(arr, "43210");
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}
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#[wasm_bindgen_test]
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fn find_index() {
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let even = js_array![2, 4, 6, 8];
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assert_eq!(
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even.find_index(&mut |e, _, _| e.as_f64().unwrap() % 2. == 0.),
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0
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);
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let odd = js_array![1, 3, 5, 7];
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assert_eq!(
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odd.find_index(&mut |e, _, _| e.as_f64().unwrap() % 2. == 0.),
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-1
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);
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let mixed = js_array![3, 5, 7, 10];
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assert_eq!(
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mixed.find_index(&mut |e, _, _| e.as_f64().unwrap() % 2. == 0.),
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3
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);
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}
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#[wasm_bindgen_test]
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fn to_locale_string() {
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let output = js_array![1, "a", Date::new(&"21 Dec 1997 14:12:00 UTC".into())]
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.to_locale_string(&"en".into(), &JsValue::undefined());
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assert!(String::from(output).len() > 0);
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}
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#[wasm_bindgen_test]
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fn for_each() {
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fn sum_indices_of_evens(array: &Array) -> u32 {
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let mut res = 0;
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array.for_each(&mut |elem: JsValue, i, _| match elem.as_f64() {
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Some(val) if val % 2. == 0. => res += i,
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_ => {}
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});
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res
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}
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assert_eq!(sum_indices_of_evens(&js_array![2, 4, 6, 8]), 0 + 1 + 2 + 3);
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assert_eq!(sum_indices_of_evens(&js_array![1, 3, 5, 7]), 0);
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assert_eq!(sum_indices_of_evens(&js_array![3, 5, 7, 10]), 3);
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}
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#[wasm_bindgen_test]
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fn array_inheritance() {
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let array = Array::new();
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assert!(array.is_instance_of::<Array>());
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assert!(array.is_instance_of::<Object>());
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let _: &Object = array.as_ref();
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}
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