TypeScript/tests/cases/compiler/bigintWithoutLib.ts
2018-11-12 14:52:44 -08:00

51 lines
2 KiB
TypeScript

// @target: es5
// Every line should error because these builtins are not declared
// Test BigInt functions
let bigintVal: bigint = BigInt(123);
bigintVal = BigInt("456");
new BigInt(123);
bigintVal = BigInt.asIntN(8, 0xFFFFn);
bigintVal = BigInt.asUintN(8, 0xFFFFn);
bigintVal = bigintVal.valueOf(); // should error - bigintVal inferred as {}
let stringVal: string = bigintVal.toString(); // should not error - bigintVal inferred as {}
stringVal = bigintVal.toString(2); // should error - bigintVal inferred as {}
stringVal = bigintVal.toLocaleString(); // should not error - bigintVal inferred as {}
// Test BigInt64Array
let bigIntArray: BigInt64Array = new BigInt64Array();
bigIntArray = new BigInt64Array(10);
bigIntArray = new BigInt64Array([1n, 2n, 3n]);
bigIntArray = new BigInt64Array([1, 2, 3]);
bigIntArray = new BigInt64Array(new ArrayBuffer(80));
bigIntArray = new BigInt64Array(new ArrayBuffer(80), 8);
bigIntArray = new BigInt64Array(new ArrayBuffer(80), 8, 3);
let len: number = bigIntArray.length;
bigIntArray.length = 10;
let arrayBufferLike: ArrayBufferView = bigIntArray;
// Test BigUint64Array
let bigUintArray: BigUint64Array = new BigUint64Array();
bigUintArray = new BigUint64Array(10);
bigUintArray = new BigUint64Array([1n, 2n, 3n]);
bigUintArray = new BigUint64Array([1, 2, 3]);
bigUintArray = new BigUint64Array(new ArrayBuffer(80));
bigUintArray = new BigUint64Array(new ArrayBuffer(80), 8);
bigUintArray = new BigUint64Array(new ArrayBuffer(80), 8, 3);
len = bigIntArray.length;
bigIntArray.length = 10;
arrayBufferLike = bigIntArray;
// Test added DataView methods
const dataView = new DataView(new ArrayBuffer(80));
dataView.setBigInt64(1, -1n);
dataView.setBigInt64(1, -1n, true);
dataView.setBigInt64(1, -1);
dataView.setBigUint64(2, 123n);
dataView.setBigUint64(2, 123n, true);
dataView.setBigUint64(2, 123);
bigintVal = dataView.getBigInt64(1);
bigintVal = dataView.getBigInt64(1, true);
bigintVal = dataView.getBigUint64(2);
bigintVal = dataView.getBigUint64(2, true);