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Diffstat (limited to 'vendor/js-sys/tests/wasm/Number.rs')
-rw-r--r-- | vendor/js-sys/tests/wasm/Number.rs | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/vendor/js-sys/tests/wasm/Number.rs b/vendor/js-sys/tests/wasm/Number.rs new file mode 100644 index 000000000..6c3416eda --- /dev/null +++ b/vendor/js-sys/tests/wasm/Number.rs @@ -0,0 +1,158 @@ +use std::f64::{INFINITY, NAN}; + +use js_sys::*; +use wasm_bindgen::prelude::*; +use wasm_bindgen::JsCast; +use wasm_bindgen_test::*; + +#[wasm_bindgen(module = "tests/wasm/Number.js")] +extern "C" { + fn const_epsilon() -> f64; + fn const_max_safe_integer() -> f64; + fn const_max_value() -> f64; + fn const_min_safe_integer() -> f64; + fn const_min_value() -> f64; + fn const_negative_infinity() -> f64; + fn const_positive_infinity() -> f64; +} + +#[wasm_bindgen_test] +fn is_finite() { + assert!(Number::is_finite(&42.into())); + assert!(Number::is_finite(&42.1.into())); + assert!(!Number::is_finite(&"42".into())); + assert!(!Number::is_finite(&NAN.into())); + assert!(!Number::is_finite(&INFINITY.into())); +} + +#[wasm_bindgen_test] +fn is_integer() { + assert!(Number::is_integer(&42.into())); + assert!(!Number::is_integer(&42.1.into())); +} + +#[wasm_bindgen_test] +fn is_nan() { + assert!(Number::is_nan(&NAN.into())); + + assert!(!Number::is_nan(&JsValue::TRUE)); + assert!(!Number::is_nan(&JsValue::NULL)); + assert!(!Number::is_nan(&37.into())); + assert!(!Number::is_nan(&"37".into())); + assert!(!Number::is_nan(&"37.37".into())); + assert!(!Number::is_nan(&"".into())); + assert!(!Number::is_nan(&" ".into())); + + // These would all return true with the global isNaN() + assert!(!Number::is_nan(&"NaN".into())); + assert!(!Number::is_nan(&JsValue::UNDEFINED)); + assert!(!Number::is_nan(&"blabla".into())); +} + +#[wasm_bindgen_test] +fn is_safe_integer() { + assert_eq!(Number::is_safe_integer(&42.into()), true); + assert_eq!( + Number::is_safe_integer(&(Math::pow(2., 53.) - 1.).into()), + true + ); + assert_eq!(Number::is_safe_integer(&Math::pow(2., 53.).into()), false); + assert_eq!(Number::is_safe_integer(&"42".into()), false); + assert_eq!(Number::is_safe_integer(&42.1.into()), false); + assert_eq!(Number::is_safe_integer(&NAN.into()), false); + assert_eq!(Number::is_safe_integer(&INFINITY.into()), false); +} + +#[allow(deprecated)] +#[wasm_bindgen_test] +fn new() { + let n = Number::new(&JsValue::from(42)); + let v = JsValue::from(n); + assert!(v.is_object()); + assert_eq!(Number::from(v).value_of(), 42.); +} + +#[wasm_bindgen_test] +fn parse_int_float() { + assert_eq!(Number::parse_int("42", 10), 42.); + assert_eq!(Number::parse_int("42", 16), 66.); // 0x42 == 66 + assert!(Number::parse_int("invalid int", 10).is_nan()); + + assert_eq!(Number::parse_float("123456.789"), 123456.789); + assert!(Number::parse_float("invalid float").is_nan()); +} + +#[wasm_bindgen_test] +fn to_locale_string() { + let number = Number::from(1234.45); + assert_eq!(number.to_locale_string("en-US"), "1,234.45"); + // TODO: these tests seems to be system dependent, disable for now + // assert_eq!(wasm.to_locale_string(number, "de-DE"), "1,234.45"); + // assert_eq!(wasm.to_locale_string(number, "zh-Hans-CN-u-nu-hanidec"), "1,234.45"); +} + +#[wasm_bindgen_test] +fn to_precision() { + assert_eq!(Number::from(0.1).to_precision(3).unwrap(), "0.100"); + assert!(Number::from(10).to_precision(101).is_err()); +} + +#[wasm_bindgen_test] +fn to_string() { + assert_eq!(Number::from(42).to_string(10).unwrap(), "42"); + assert_eq!(Number::from(233).to_string(16).unwrap(), "e9"); + assert!(Number::from(100).to_string(100).is_err()); +} + +#[wasm_bindgen_test] +fn value_of() { + assert_eq!(Number::from(42).value_of(), 42.); +} + +#[wasm_bindgen_test] +fn to_fixed() { + assert_eq!(Number::from(123.456).to_fixed(2).unwrap(), "123.46"); + assert!(Number::from(10).to_fixed(101).is_err()); +} + +#[wasm_bindgen_test] +fn to_exponential() { + assert_eq!(Number::from(123456).to_exponential(2).unwrap(), "1.23e+5"); + assert!(Number::from(10).to_exponential(101).is_err()); +} + +#[allow(deprecated)] +#[wasm_bindgen_test] +fn number_inheritance() { + let n = Number::new(&JsValue::from(42)); + assert!(n.is_instance_of::<Number>()); + assert!(n.is_instance_of::<Object>()); + let _: &Object = n.as_ref(); +} + +#[wasm_bindgen_test] +fn consts() { + assert_eq!(const_epsilon(), Number::EPSILON, "EPSILON"); + assert_eq!( + const_max_safe_integer(), + Number::MAX_SAFE_INTEGER, + "MAX_SAFE_INTEGER" + ); + assert_eq!(const_max_value(), Number::MAX_VALUE, "MAX_VALUE"); + assert_eq!( + const_min_safe_integer(), + Number::MIN_SAFE_INTEGER, + "MIN_SAFE_INTEGER" + ); + assert_eq!(const_min_value(), Number::MIN_VALUE, "MIN_VALUE"); + assert_eq!( + const_negative_infinity(), + Number::NEGATIVE_INFINITY, + "NEGATIVE_INFINITY" + ); + assert_eq!( + const_positive_infinity(), + Number::POSITIVE_INFINITY, + "POSITIVE_INFINITY" + ); +} |