mirror of
https://github.com/rustwasm/wasm-bindgen.git
synced 2024-12-17 22:51:47 +03:00
115 lines
3.6 KiB
Rust
115 lines
3.6 KiB
Rust
use std::f64::{INFINITY, NAN};
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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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use js_sys::*;
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#[wasm_bindgen_test]
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fn number_inheritance() {
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let number = Number::new(&JsValue::from(10));
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assert!(number.is_instance_of::<Number>());
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assert!(number.is_instance_of::<Object>());
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}
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#[wasm_bindgen_test]
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fn is_finite() {
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assert!(Number::is_finite(&42.into()));
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assert!(Number::is_finite(&42.1.into()));
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assert!(!Number::is_finite(&"42".into()));
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assert!(!Number::is_finite(&NAN.into()));
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assert!(!Number::is_finite(&INFINITY.into()));
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}
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#[wasm_bindgen_test]
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fn is_integer() {
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assert!(Number::is_integer(&42.into()));
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assert!(!Number::is_integer(&42.1.into()));
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}
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#[wasm_bindgen_test]
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fn is_nan() {
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assert!(Number::is_nan(&NAN.into()));
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assert!(!Number::is_nan(&JsValue::TRUE));
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assert!(!Number::is_nan(&JsValue::NULL));
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assert!(!Number::is_nan(&37.into()));
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assert!(!Number::is_nan(&"37".into()));
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assert!(!Number::is_nan(&"37.37".into()));
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assert!(!Number::is_nan(&"".into()));
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assert!(!Number::is_nan(&" ".into()));
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// These would all return true with the global isNaN()
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assert!(!Number::is_nan(&"NaN".into()));
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assert!(!Number::is_nan(&JsValue::UNDEFINED));
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assert!(!Number::is_nan(&"blabla".into()));
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}
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#[wasm_bindgen_test]
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fn is_safe_integer() {
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assert_eq!(Number::is_safe_integer(&42.into()), true);
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assert_eq!(Number::is_safe_integer(&(Math::pow(2., 53.) - 1.).into()), true);
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assert_eq!(Number::is_safe_integer(&Math::pow(2., 53.).into()), false);
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assert_eq!(Number::is_safe_integer(&"42".into()), false);
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assert_eq!(Number::is_safe_integer(&42.1.into()), false);
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assert_eq!(Number::is_safe_integer(&NAN.into()), false);
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assert_eq!(Number::is_safe_integer(&INFINITY.into()), false);
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}
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#[wasm_bindgen_test]
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fn new() {
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let n = Number::new(&JsValue::from(42));
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let v = JsValue::from(n);
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assert!(v.is_object());
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assert_eq!(Number::from(v).value_of(), 42.);
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}
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#[wasm_bindgen_test]
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fn parse_int_float() {
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assert_eq!(Number::parse_int("42", 10), 42.);
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assert_eq!(Number::parse_int("42", 16), 66.); // 0x42 == 66
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assert!(Number::parse_int("invalid int", 10).is_nan());
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assert_eq!(Number::parse_float("123456.789"), 123456.789);
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assert!(Number::parse_float("invalid float").is_nan());
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}
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#[wasm_bindgen_test]
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fn to_locale_string() {
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let number = Number::new(&1234.45.into());
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assert_eq!(number.to_locale_string("en-US"), "1,234.45");
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// TODO: these tests seems to be system dependent, disable for now
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// assert_eq!(wasm.to_locale_string(number, "de-DE"), "1,234.45");
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// assert_eq!(wasm.to_locale_string(number, "zh-Hans-CN-u-nu-hanidec"), "1,234.45");
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}
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#[wasm_bindgen_test]
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fn to_precision() {
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assert_eq!(Number::new(&0.1.into()).to_precision(3).unwrap(), "0.100");
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assert!(Number::new(&10.into()).to_precision(101).is_err());
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}
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#[wasm_bindgen_test]
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fn to_string() {
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assert_eq!(Number::new(&42.into()).to_string(10).unwrap(), "42");
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assert_eq!(Number::new(&233.into()).to_string(16).unwrap(), "e9");
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assert!(Number::new(&100.into()).to_string(100).is_err());
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}
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#[wasm_bindgen_test]
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fn value_of() {
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assert_eq!(Number::new(&42.into()).value_of(), 42.);
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}
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#[wasm_bindgen_test]
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fn to_fixed() {
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assert_eq!(Number::new(&123.456.into()).to_fixed(2).unwrap(), "123.46");
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assert!(Number::new(&10.into()).to_fixed(101).is_err());
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}
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#[wasm_bindgen_test]
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fn to_exponential() {
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assert_eq!(Number::new(&123456.into()).to_exponential(2).unwrap(), "1.23e+5");
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assert!(Number::new(&10.into()).to_exponential(101).is_err());
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}
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