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