57 lines
2.1 KiB
TypeScript
57 lines
2.1 KiB
TypeScript
// @target: es2020
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// @declaration: true
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// Test BigInt functions
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let bigintVal: bigint = BigInt(123);
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bigintVal = BigInt("456");
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new BigInt(123); // should error
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bigintVal = BigInt.asIntN(8, 0xFFFFn);
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bigintVal = BigInt.asUintN(8, 0xFFFFn);
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bigintVal = bigintVal.valueOf();
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let stringVal: string = bigintVal.toString();
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stringVal = bigintVal.toString(2);
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stringVal = bigintVal.toLocaleString();
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// Test BigInt64Array
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let bigIntArray: BigInt64Array = new BigInt64Array();
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bigIntArray = new BigInt64Array(10);
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bigIntArray = new BigInt64Array([1n, 2n, 3n]);
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bigIntArray = new BigInt64Array([1, 2, 3]); // should error
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bigIntArray = new BigInt64Array(new ArrayBuffer(80));
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bigIntArray = new BigInt64Array(new ArrayBuffer(80), 8);
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bigIntArray = new BigInt64Array(new ArrayBuffer(80), 8, 3);
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let len: number = bigIntArray.length;
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bigIntArray.length = 10; // should error
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let arrayBufferLike: ArrayBufferView = bigIntArray;
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// Test BigUint64Array
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let bigUintArray: BigUint64Array = new BigUint64Array();
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bigUintArray = new BigUint64Array(10);
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bigUintArray = new BigUint64Array([1n, 2n, 3n]);
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bigUintArray = new BigUint64Array([1, 2, 3]); // should error
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bigUintArray = new BigUint64Array(new ArrayBuffer(80));
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bigUintArray = new BigUint64Array(new ArrayBuffer(80), 8);
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bigUintArray = new BigUint64Array(new ArrayBuffer(80), 8, 3);
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len = bigIntArray.length;
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bigIntArray.length = 10; // should error
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arrayBufferLike = bigIntArray;
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// Test added DataView methods
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const dataView = new DataView(new ArrayBuffer(80));
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dataView.setBigInt64(1, -1n);
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dataView.setBigInt64(1, -1n, true);
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dataView.setBigInt64(1, -1); // should error
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dataView.setBigUint64(2, 123n);
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dataView.setBigUint64(2, 123n, true);
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dataView.setBigUint64(2, 123); // should error
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bigintVal = dataView.getBigInt64(1);
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bigintVal = dataView.getBigInt64(1, true);
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bigintVal = dataView.getBigUint64(2);
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bigintVal = dataView.getBigUint64(2, true);
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// Test emitted declarations files
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const w = 12n; // should emit as const w = 12n
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const x = -12n; // should emit as const x = -12n
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const y: 12n = 12n; // should emit type 12n
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let z = 12n; // should emit type bigint in declaration file
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