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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import { assert, assertEquals, loadTestLibrary } from "./common.js";
const typedarray = loadTestLibrary();
Deno.test("napi typedarray uint8", function () {
const byteArray = new Uint8Array([0, 1, 2]);
assertEquals(byteArray.length, 3);
const byteResult = typedarray.test_multiply(byteArray, 3);
assert(byteResult instanceof Uint8Array);
assertEquals(byteResult.length, 3);
assertEquals(byteResult[0], 0);
assertEquals(byteResult[1], 3);
assertEquals(byteResult[2], 6);
});
Deno.test("napi typedarray float64", function () {
const doubleArray = new Float64Array([0.0, 1.1, 2.2]);
assertEquals(doubleArray.length, 3);
const doubleResult = typedarray.test_multiply(doubleArray, -3);
assert(doubleResult instanceof Float64Array);
assertEquals(doubleResult.length, 3);
assertEquals(doubleResult[0], -0);
assertEquals(Math.round(10 * doubleResult[1]) / 10, -3.3);
assertEquals(Math.round(10 * doubleResult[2]) / 10, -6.6);
});
// TODO(bartlomieju): this test causes segfaults when used with jemalloc.
// Node documentation provides a hint that this function is not supported by
// other runtime like electron.
// Deno.test("napi typedarray external", function () {
// assertEquals(
// new Uint8Array(typedarray.test_external()),
// new Uint8Array([0, 1, 2, 3]),
// );
// });
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