Vendor things

third-party/vendor/js-sys/tests/wasm/BigInt.rs

@@ -0,0 +1,43 @@
+use js_sys::BigInt;
+use wasm_bindgen::prelude::*;
+use wasm_bindgen_test::wasm_bindgen_test;
+
+/// `assert_eq!`, but the arguments are converted to `JsValue`s.
+#[track_caller]
+fn assert_jsvalue_eq(a: impl Into<JsValue>, b: impl Into<JsValue>) {
+    assert_eq!(a.into(), b.into());
+}
+
+#[wasm_bindgen_test]
+fn from() {
+    // Test that all the `From` impls work properly.
+    assert_jsvalue_eq(BigInt::from(1u8), 1u64);
+    assert_jsvalue_eq(BigInt::from(1u16), 1u64);
+    assert_jsvalue_eq(BigInt::from(1u32), 1u64);
+    assert_jsvalue_eq(BigInt::from(1u64), 1u64);
+    assert_jsvalue_eq(BigInt::from(1u128), 1u64);
+    assert_jsvalue_eq(BigInt::from(1usize), 1u64);
+    assert_jsvalue_eq(BigInt::from(-3i8), -3i64);
+    assert_jsvalue_eq(BigInt::from(-3i16), -3i64);
+    assert_jsvalue_eq(BigInt::from(-3i32), -3i64);
+    assert_jsvalue_eq(BigInt::from(-3i64), -3i64);
+    assert_jsvalue_eq(BigInt::from(-3i128), -3i64);
+    assert_jsvalue_eq(BigInt::from(-3isize), -3i64);
+}
+
+#[wasm_bindgen_test]
+fn eq() {
+    // Test that all the `Eq` impls work properly.
+    assert_eq!(BigInt::from(1u64), 1u8);
+    assert_eq!(BigInt::from(1u64), 1u16);
+    assert_eq!(BigInt::from(1u64), 1u32);
+    assert_eq!(BigInt::from(1u64), 1u64);
+    assert_eq!(BigInt::from(1u64), 1u128);
+    assert_eq!(BigInt::from(1u64), 1usize);
+    assert_eq!(BigInt::from(-3i64), -3i8);
+    assert_eq!(BigInt::from(-3i64), -3i16);
+    assert_eq!(BigInt::from(-3i64), -3i32);
+    assert_eq!(BigInt::from(-3i64), -3i64);
+    assert_eq!(BigInt::from(-3i64), -3i128);
+    assert_eq!(BigInt::from(-3i64), -3isize);
+}