wasm-bindgen/crates/js-sys/tests/wasm/JsString.rs
2018-07-20 13:35:46 -07:00

264 lines
8.8 KiB
Rust

use wasm_bindgen::JsValue;
use wasm_bindgen_test::*;
use js_sys::*;
#[wasm_bindgen_test]
fn length() {
fn test(s: &str) {
assert_eq!(JsString::from(s).length(), s.len() as u32);
}
test("Mozilla");
test("");
}
#[wasm_bindgen_test]
fn char_at() {
let s = JsString::from("Brave new world");
assert_eq!(JsValue::from(s.char_at(0)), "B");
assert_eq!(JsValue::from(s.char_at(999)), "");
}
#[wasm_bindgen_test]
fn char_code_at() {
let s = "Brave new world";
let js = JsString::from(s);
for (i, b) in s.char_indices() {
assert_eq!(js.char_code_at(i as u32), b as u32 as f64);
}
assert!(js.char_code_at(s.len() as u32).is_nan());
}
#[wasm_bindgen_test]
fn code_point_at() {
assert_eq!(JsString::from("ABC").code_point_at(1), b'B');
assert!(JsString::from("ABC").code_point_at(42).is_undefined());
}
#[wasm_bindgen_test]
fn concat() {
// TODO: Implement ability to receive multiple optional arguments
let s = JsString::from("Hello ").concat(&"World".into());
assert_eq!(JsValue::from(s), "Hello World");
let foo = JsString::from("foo");
assert_eq!(JsValue::from(foo.concat(&Object::new().into())), "foo[object Object]");
assert_eq!(JsValue::from(foo.concat(&Array::new().into())), "foo");
assert_eq!(JsValue::from(foo.concat(&JsValue::null())), "foonull");
assert_eq!(JsValue::from(foo.concat(&true.into())), "footrue");
assert_eq!(JsValue::from(foo.concat(&1234.into())), "foo1234");
}
#[wasm_bindgen_test]
fn ends_with() {
let s = "To be, or not to be, that is the question.";
let js = JsString::from(s);
// TODO: remove third parameter once we have optional parameters
assert_eq!(js.ends_with(&"question.".into(), s.len() as i32), true);
assert_eq!(js.ends_with(&"to be".into(), s.len() as i32), false);
assert_eq!(js.ends_with(&"to be".into(), 19), true);
}
#[wasm_bindgen_test]
fn includes() {
let str = JsString::from("Blue Whale");
// TODO: remove second parameter once we have optional parameters
assert_eq!(str.includes(&"Blue".into(), 0), true);
assert_eq!(str.includes(&"Blute".into(), 0), false);
assert_eq!(str.includes(&"Whale".into(), 0), true);
assert_eq!(str.includes(&"Whale".into(), 5), true);
assert_eq!(str.includes(&"Whale".into(), 7), false);
assert_eq!(str.includes(&"".into(), 0), true);
assert_eq!(str.includes(&"".into(), 16), true);
}
#[wasm_bindgen_test]
fn index_of() {
let str = JsString::from("Blue Whale");
// TODO: remove second parameter once we have optional parameters
assert_eq!(str.index_of(&"Blue".into(), 0), 0);
// TODO: remove second parameter once we have optional parameters
assert_eq!(str.index_of(&"Blute".into(), 0), -1);
assert_eq!(str.index_of(&"Whale".into(), 0), 5);
assert_eq!(str.index_of(&"Whale".into(), 5), 5);
assert_eq!(str.index_of(&"Whale".into(), 7), -1);
// TODO: remove second parameter once we have optional parameters
assert_eq!(str.index_of(&"".into(), 0), 0);
assert_eq!(str.index_of(&"".into(), 9), 9);
assert_eq!(str.index_of(&"".into(), 10), 10);
assert_eq!(str.index_of(&"".into(), 11), 10);
}
#[wasm_bindgen_test]
fn last_index_of() {
let js = JsString::from("canal");
let len = js.length() as i32;
// TODO: remove second parameter once we have optional parameters
assert_eq!(js.last_index_of(&"a".into(), len), 3);
assert_eq!(js.last_index_of(&"a".into(), 2), 1);
assert_eq!(js.last_index_of(&"a".into(), 0), -1);
// TODO: remove second parameter once we have optional parameters
assert_eq!(js.last_index_of(&"x".into(), len), -1);
assert_eq!(js.last_index_of(&"c".into(), -5), 0);
assert_eq!(js.last_index_of(&"c".into(), 0), 0);
// TODO: remove second parameter once we have optional parameters
assert_eq!(js.last_index_of(&"".into(), len), 5);
assert_eq!(js.last_index_of(&"".into(), 2), 2);
}
#[wasm_bindgen_test]
fn normalize() {
let js = JsString::from("\u{1E9B}\u{0323}");
// TODO: Handle undefined
assert_eq!(JsValue::from(js.normalize(&"NFC".into())), "\u{1E9B}\u{0323}");
assert_eq!(JsValue::from(js.normalize(&"NFD".into())), "\u{017F}\u{0323}\u{0307}");
assert_eq!(JsValue::from(js.normalize(&"NFKC".into())), "\u{1E69}");
assert_eq!(JsValue::from(js.normalize(&"NFKD".into())), "\u{0073}\u{0323}\u{0307}");
}
#[wasm_bindgen_test]
fn pad_end() {
let js = JsString::from("abc");
// TODO: remove second parameter once we have optional parameters
assert_eq!(JsValue::from(js.pad_end(10, &" ".into())), "abc ");
// TODO: remove second parameter once we have optional parameters
assert_eq!(JsValue::from(js.pad_end(10, &" ".into())), "abc ");
assert_eq!(JsValue::from(js.pad_end(10, &"foo".into())), "abcfoofoof");
assert_eq!(JsValue::from(js.pad_end(6, &"123456".into())), "abc123");
// TODO: remove second parameter once we have optional parameters
assert_eq!(JsValue::from(js.pad_end(1, &" ".into())), "abc");
}
#[wasm_bindgen_test]
fn pad_start() {
let js = JsString::from("abc");
// TODO: remove second parameter once we have optional parameters
assert_eq!(js.pad_start(10, &" ".into()), " abc");
assert_eq!(js.pad_start(10, &"foo".into()), "foofoofabc");
assert_eq!(js.pad_start(6, &"123465".into()), "123abc");
assert_eq!(js.pad_start(8, &"0".into()), "00000abc");
// TODO: remove second parameter once we have optional parameters
assert_eq!(js.pad_start(1, &" ".into()), "abc");
}
#[wasm_bindgen_test]
fn repeat() {
assert_eq!(JsString::from("test").repeat(3), "testtesttest");
}
#[wasm_bindgen_test]
fn slice() {
let characters = JsString::from("acxn18");
assert_eq!(characters.slice(1, 3), "cx");
}
#[wasm_bindgen_test]
fn starts_with() {
let js = JsString::from("To be, or not to be, that is the question.");
// TODO: remove second parameter for both assertions once we have optional parameters
assert!(js.starts_with(&"To be".into(), 0));
assert!(!js.starts_with(&"not to be".into(), 0));
assert!(js.starts_with(&"not to be".into(), 10));
}
#[wasm_bindgen_test]
fn substring() {
let js = JsString::from("Mozilla");
assert_eq!(js.substring(0, 1), "M");
assert_eq!(js.substring(1, 0), "M");
assert_eq!(js.substring(0, 6), "Mozill");
// TODO: Add test once we have optional parameters
// assert_eq!(js.substring(4), "lla");
assert_eq!(js.substring(4, 7), "lla");
assert_eq!(js.substring(7, 4), "lla");
assert_eq!(js.substring(0, 7), "Mozilla");
assert_eq!(js.substring(0, 10), "Mozilla");
}
#[wasm_bindgen_test]
fn substr() {
let js = JsString::from("Mozilla");
assert_eq!(js.substr(0, 1), "M");
assert_eq!(js.substr(1, 0), "");
assert_eq!(js.substr(-1, 1), "a");
assert_eq!(js.substr(1, -1), "");
// TODO: Uncomment and test these assertions, once we have support for optional parameters
// assert_eq!(js.substr(-3), "lla");
// assert_eq!(js.substr(1), "ozilla");
assert_eq!(js.substr(-20, 2), "Mo");
assert_eq!(js.substr(20, 2), "");
}
#[wasm_bindgen_test]
fn to_locale_lower_case() {
let js = JsString::from("Mozilla");
assert_eq!(js.to_locale_lower_case(None), "mozilla");
let s = JsString::from("\u{0130}");
assert_eq!(s.to_locale_lower_case(Some("tr".into())), "i");
assert_ne!(s.to_locale_lower_case(Some("en-US".into())), "i");
}
#[wasm_bindgen_test]
fn to_locale_upper_case() {
let js = JsString::from("mozilla");
assert_eq!(js.to_locale_upper_case(None), "MOZILLA");
let s = JsString::from("i\u{0307}");
assert_eq!(s.to_locale_upper_case(Some("lt".into())), "I");
assert_ne!(s.to_locale_upper_case(Some("en-US".into())), "I");
}
#[wasm_bindgen_test]
fn to_lower_case() {
assert_eq!(JsString::from("Mozilla").to_lower_case(), "mozilla");
}
#[wasm_bindgen_test]
fn to_string() {
assert_eq!(JsString::from("foo").to_string(), "foo");
}
#[wasm_bindgen_test]
fn to_upper_case() {
assert_eq!(JsString::from("Mozilla").to_upper_case(), "MOZILLA");
}
#[wasm_bindgen_test]
fn trim() {
assert_eq!(JsString::from(" foo ").trim(), "foo");
// Another example of .trim() removing whitespace from just one side.
assert_eq!(JsString::from("foo ").trim(), "foo");
}
#[wasm_bindgen_test]
fn trim_end_and_trim_right() {
let greeting = JsString::from(" Hello world! ");
let trimmed = " Hello world!";
assert_eq!(greeting.trim_end(), trimmed);
assert_eq!(greeting.trim_right(), trimmed);
}
#[wasm_bindgen_test]
fn trim_start_and_trim_left() {
let greeting = JsString::from(" Hello world! ");
let trimmed = "Hello world! ";
assert_eq!(greeting.trim_start(), trimmed);
assert_eq!(greeting.trim_left(), trimmed);
}
#[wasm_bindgen_test]
fn value_of() {
let greeting = JsString::from("Hello world!");
assert_eq!(greeting.value_of(), "Hello world!");
}