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Merge pull request #728 from quelledanielle/js_string_from_code_point

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Add bindings for String.from_code_point
This commit is contained in:
Alex Crichton
2018-08-18 22:08:48 -07:00
committed by GitHub
parent 1ea3c37b5f 27d48ad267
commit a12fc46a55
2 changed files with 51 additions and 0 deletions
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17
crates/js-sys/tests/wasm/JsString.rs
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@ -85,6 +85,23 @@ fn from_char_code() {
assert_eq!(JsString::from_char_code4(codes[0], codes[1], codes[2], codes[3]), "½+¾=");
}
#[wasm_bindgen_test]
fn from_code_point() {
let s = "☃★♲你";
let codes : Vec<u32> = s.chars()
.map(|char| char as u32)
.collect();
assert_eq!(JsString::from_code_point1(codes[0]).unwrap(), "☃");
assert_eq!(JsString::from_code_point2(codes[0], codes[1]).unwrap(), "☃★");
assert_eq!(JsString::from_code_point3(codes[0], codes[1], codes[2]).unwrap(), "☃★♲");
assert_eq!(JsString::from_code_point4(codes[0], codes[1], codes[2], codes[3]).unwrap(), "☃★♲你");
assert!(!JsString::from_code_point1(0x10FFFF).is_err());
assert!(JsString::from_code_point1(0x110000).is_err());
assert!(JsString::from_code_point1(u32::max_value()).is_err());
}
#[wasm_bindgen_test]
fn includes() {
let str = JsString::from("Blue Whale");