wasm-bindgen/crates/js-sys/tests/wasm/JsString.rs
Nick Fitzgerald e3d2ea2628 js-sys: Catch exceptions thrown in Reflect APIs
Proxies passed to Reflect APIs can throw for any of these operations and it is a
bit of a mess.
2018-09-25 14:30:26 -07:00

503 lines
17 KiB
Rust

use wasm_bindgen::JsValue;
use wasm_bindgen::prelude::*;
use wasm_bindgen::JsCast;
use wasm_bindgen_test::*;
use js_sys::*;
#[wasm_bindgen(module = "tests/wasm/JsString.js")]
extern {
fn new_string_object() -> JsValue;
fn get_replacer_function() -> Function;
}
#[wasm_bindgen_test]
fn js_string_inheritance() {
let string = new_string_object();
assert!(string.is_instance_of::<JsString>());
assert!(string.is_instance_of::<Object>());
}
#[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.", s.len() as i32), true);
assert_eq!(js.ends_with("to be", s.len() as i32), false);
assert_eq!(js.ends_with("to be", 19), true);
}
#[wasm_bindgen_test]
fn from_char_code() {
let s = "½+¾=";
let codes : Vec<u32> = s.chars()
.map(|char| char as u32)
.collect();
assert_eq!(JsString::from_char_code1(codes[0]), "½");
assert_eq!(JsString::from_char_code2(codes[0], codes[1]), "½+");
assert_eq!(JsString::from_char_code3(codes[0], codes[1], codes[2]), "½+¾");
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");
// TODO: remove second parameter once we have optional parameters
assert_eq!(str.includes("Blue", 0), true);
assert_eq!(str.includes("Blute", 0), false);
assert_eq!(str.includes("Whale", 0), true);
assert_eq!(str.includes("Whale", 5), true);
assert_eq!(str.includes("Whale", 7), false);
assert_eq!(str.includes("", 0), true);
assert_eq!(str.includes("", 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", 0), 0);
// TODO: remove second parameter once we have optional parameters
assert_eq!(str.index_of("Blute", 0), -1);
assert_eq!(str.index_of("Whale", 0), 5);
assert_eq!(str.index_of("Whale", 5), 5);
assert_eq!(str.index_of("Whale", 7), -1);
// TODO: remove second parameter once we have optional parameters
assert_eq!(str.index_of("", 0), 0);
assert_eq!(str.index_of("", 9), 9);
assert_eq!(str.index_of("", 10), 10);
assert_eq!(str.index_of("", 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", len), 3);
assert_eq!(js.last_index_of("a", 2), 1);
assert_eq!(js.last_index_of("a", 0), -1);
// TODO: remove second parameter once we have optional parameters
assert_eq!(js.last_index_of("x", len), -1);
assert_eq!(js.last_index_of("c", -5), 0);
assert_eq!(js.last_index_of("c", 0), 0);
// TODO: remove second parameter once we have optional parameters
assert_eq!(js.last_index_of("", len), 5);
assert_eq!(js.last_index_of("", 2), 2);
}
#[wasm_bindgen_test]
fn locale_compare() {
let a = "résumé";
let b = "RESUME";
let js_a = JsString::from(a);
let js_b = JsString::from(b);
let locales = Array::new();
let options = Object::new();
assert_eq!(js_a.locale_compare(a, &locales, &options), 0);
assert_eq!(js_b.locale_compare(b, &locales, &options), 0);
assert!(js_a.locale_compare(b, &locales, &options) > 0);
assert!(js_b.locale_compare(a, &locales, &options) < 0);
locales.push(&"en".into());
Reflect::set(options.as_ref(), &"sensitivity".into(), &"base".into()).unwrap();
assert_eq!(js_a.locale_compare(a, &locales, &options), 0);
assert_eq!(js_a.locale_compare(b, &locales, &options), 0);
assert_eq!(js_b.locale_compare(a, &locales, &options), 0);
assert_eq!(js_b.locale_compare(b, &locales, &options), 0);
let a = "ä";
let z = "z";
let js_a = JsString::from(a);
let js_z = JsString::from(z);
let locales_de = Array::of1(&"de".into());
let locales_sv = Array::of1(&"sv".into());
let options = Object::new();
assert_eq!(js_a.locale_compare(a, &locales_de, &options), 0);
assert_eq!(js_z.locale_compare(z, &locales_de, &options), 0);
assert!(js_a.locale_compare(z, &locales_de, &options) < 0);
assert!(js_z.locale_compare(a, &locales_de, &options) > 0);
assert_eq!(js_a.locale_compare(a, &locales_sv, &options), 0);
assert_eq!(js_z.locale_compare(z, &locales_sv, &options), 0);
assert!(js_a.locale_compare(z, &locales_sv, &options) < 0);
assert!(js_z.locale_compare(a, &locales_sv, &options) > 0);
let two = "2";
let ten = "10";
let js_two = JsString::from(two);
let js_ten = JsString::from(ten);
let locales = Array::new();
let options = Object::new();
assert_eq!(js_two.locale_compare(two, &locales, &options), 0);
assert_eq!(js_ten.locale_compare(ten, &locales, &options), 0);
assert!(js_two.locale_compare(ten, &locales, &options) > 0);
assert!(js_ten.locale_compare(two, &locales, &options) < 0);
locales.push(&"en-u-kn-true".into());
assert!(js_two.locale_compare(ten, &locales, &options) < 0);
assert!(js_ten.locale_compare(two, &locales, &options) > 0);
let locales = Array::new();
Reflect::set(options.as_ref(), &"numeric".into(), &JsValue::TRUE).unwrap();
assert!(js_two.locale_compare(ten, &locales, &options) < 0);
assert!(js_ten.locale_compare(two, &locales, &options) > 0);
}
#[wasm_bindgen_test]
fn match_() {
let s = "The quick brown fox jumped over the lazy dog. It barked.";
let re = RegExp::new("[A-Z]", "g");
let result = JsString::from(s).match_(&re);
let obj = result.unwrap();
assert_eq!(Reflect::get(obj.as_ref(), &"0".into()).unwrap(), "T");
assert_eq!(Reflect::get(obj.as_ref(), &"1".into()).unwrap(), "I");
let result = JsString::from("foo").match_(&re);
assert!(result.is_none());
let s = "For more information, see Chapter 3.4.5.1";
let re = RegExp::new("see (chapter \\d+(\\.\\d)*)", "i");
let result = JsString::from(s).match_(&re);
let obj = result.unwrap();
assert_eq!(Reflect::get(obj.as_ref(), &"0".into()).unwrap(), "see Chapter 3.4.5.1");
assert_eq!(Reflect::get(obj.as_ref(), &"1".into()).unwrap(), "Chapter 3.4.5.1");
assert_eq!(Reflect::get(obj.as_ref(), &"2".into()).unwrap(), ".1");
assert_eq!(Reflect::get(obj.as_ref(), &"index".into()).unwrap(), 22);
assert_eq!(Reflect::get(obj.as_ref(), &"input".into()).unwrap(), s);
}
#[wasm_bindgen_test]
fn normalize() {
let js = JsString::from("\u{1E9B}\u{0323}");
// TODO: Handle undefined
assert_eq!(JsValue::from(js.normalize("NFC")), "\u{1E9B}\u{0323}");
assert_eq!(JsValue::from(js.normalize("NFD")), "\u{017F}\u{0323}\u{0307}");
assert_eq!(JsValue::from(js.normalize("NFKC")), "\u{1E69}");
assert_eq!(JsValue::from(js.normalize("NFKD")), "\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, " ")), "abc ");
// TODO: remove second parameter once we have optional parameters
assert_eq!(JsValue::from(js.pad_end(10, " ")), "abc ");
assert_eq!(JsValue::from(js.pad_end(10, "foo")), "abcfoofoof");
assert_eq!(JsValue::from(js.pad_end(6, "123456")), "abc123");
// TODO: remove second parameter once we have optional parameters
assert_eq!(JsValue::from(js.pad_end(1, " ")), "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, " "), " abc");
assert_eq!(js.pad_start(10, "foo"), "foofoofabc");
assert_eq!(js.pad_start(6, "123465"), "123abc");
assert_eq!(js.pad_start(8, "0"), "00000abc");
// TODO: remove second parameter once we have optional parameters
assert_eq!(js.pad_start(1, " "), "abc");
}
#[wasm_bindgen_test]
fn repeat() {
assert_eq!(JsString::from("test").repeat(3), "testtesttest");
}
#[wasm_bindgen_test]
fn replace() {
let js = JsString::from("The quick brown fox jumped over the lazy dog. If the dog reacted, was it really lazy?");
let result = js.replace("dog", "ferret");
assert_eq!(result, "The quick brown fox jumped over the lazy ferret. If the dog reacted, was it really lazy?");
let js = JsString::from("borderTop");
let result = js.replace_with_function("T", &get_replacer_function());
assert_eq!(result, "border-top");
let js = JsString::from("The quick brown fox jumped over the lazy dog. If the dog reacted, was it really lazy?");
let re = RegExp::new("dog", "g");
let result = js.replace_by_pattern(&re, "ferret");
assert_eq!(result, "The quick brown fox jumped over the lazy ferret. If the ferret reacted, was it really lazy?");
let js = JsString::from("borderTop");
let re = RegExp::new("[A-Z]", "g");
let result = js.replace_by_pattern_with_function(&re, &get_replacer_function());
assert_eq!(result, "border-top");
}
#[wasm_bindgen_test]
fn search() {
let js = JsString::from("The quick brown fox jumped over the lazy dog. If the dog reacted, was it really lazy?");
let re = RegExp::new("[^\\w\\s]", "g");
assert_eq!(js.search(&re), 44);
let js = JsString::from("hey JudE");
let re1 = RegExp::new("[A-Z]", "g");
let re2 = RegExp::new("[.]", "g");
assert_eq!(js.search(&re1), 4);
assert_eq!(js.search(&re2), -1);
}
#[wasm_bindgen_test]
fn slice() {
let characters = JsString::from("acxn18");
assert_eq!(characters.slice(1, 3), "cx");
}
#[wasm_bindgen_test]
fn split() {
let js = JsString::from("Oh brave new world");
let result = js.split(" ");
let mut v = Vec::with_capacity(result.length() as usize);
result.for_each(&mut |x, _, _| v.push(x));
assert_eq!(v[0], "Oh");
assert_eq!(v[1], "brave");
assert_eq!(v[2], "new");
assert_eq!(v[3], "world");
let js = JsString::from("Oct,Nov,Dec");
let result = js.split(",");
let mut v = Vec::with_capacity(result.length() as usize);
result.for_each(&mut |x, _, _| v.push(x));
assert_eq!(v[0], "Oct");
assert_eq!(v[1], "Nov");
assert_eq!(v[2], "Dec");
let result = js.split_limit(",", 2);
let mut v = Vec::with_capacity(result.length() as usize);
result.for_each(&mut |x, _, _| v.push(x));
assert_eq!(result.length(), 2);
assert_eq!(v[0], "Oct");
assert_eq!(v[1], "Nov");
let js = JsString::from("Oh brave new world");
let re = RegExp::new("\\s", "g");
let result = js.split_by_pattern(&re);
let mut v = Vec::with_capacity(result.length() as usize);
result.for_each(&mut |x, _, _| v.push(x));
assert_eq!(v[0], "Oh");
assert_eq!(v[1], "brave");
assert_eq!(v[2], "new");
assert_eq!(v[3], "world");
let result = js.split_by_pattern_limit(&re, 2);
let mut v = Vec::with_capacity(result.length() as usize);
result.for_each(&mut |x, _, _| v.push(x));
assert_eq!(result.length(), 2);
assert_eq!(v[0], "Oh");
assert_eq!(v[1], "brave");
}
#[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", 0));
assert!(!js.starts_with("not to be", 0));
assert!(js.starts_with("not to be", 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!");
}
#[wasm_bindgen_test]
fn raw() {
let call_site = Object::new();
let raw = Array::of3(&"foo".into(), &"bar".into(), &"123".into());
Reflect::set(&call_site.as_ref(), &"raw".into(), &raw.into()).unwrap();
assert_eq!(JsString::raw_2(&call_site, "5", "JavaScript").unwrap(), "foo5barJavaScript123");
let substitutions = Array::of2(&"5".into(), &"JavaScript".into());
assert_eq!(JsString::raw(&call_site, &substitutions).unwrap(), "foo5barJavaScript123");
assert!(JsString::raw_0(&JsValue::null().unchecked_into()).is_err());
}