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f8435d20b0
Closes https://github.com/denoland/deno/issues/17115 Implements `cachedDataVersionTag` and `getHeapStatistics`.
58 lines
1.5 KiB
TypeScript
58 lines
1.5 KiB
TypeScript
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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import {
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cachedDataVersionTag,
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getHeapStatistics,
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setFlagsFromString,
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} from "node:v8";
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import {
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assertEquals,
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assertThrows,
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} from "../../../test_util/std/testing/asserts.ts";
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// https://github.com/nodejs/node/blob/a2bbe5ff216bc28f8dac1c36a8750025a93c3827/test/parallel/test-v8-version-tag.js#L6
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Deno.test({
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name: "cachedDataVersionTag success",
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fn() {
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const tag = cachedDataVersionTag();
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assertEquals(typeof tag, "number");
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assertEquals(cachedDataVersionTag(), tag);
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},
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});
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// https://github.com/nodejs/node/blob/a2bbe5ff216bc28f8dac1c36a8750025a93c3827/test/parallel/test-v8-stats.js#L6
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Deno.test({
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name: "getHeapStatistics success",
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fn() {
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const s = getHeapStatistics();
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const keys = [
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"does_zap_garbage",
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"external_memory",
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"heap_size_limit",
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"malloced_memory",
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"number_of_detached_contexts",
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"number_of_native_contexts",
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"peak_malloced_memory",
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"total_available_size",
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"total_global_handles_size",
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"total_heap_size",
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"total_heap_size_executable",
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"total_physical_size",
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"used_global_handles_size",
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"used_heap_size",
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];
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assertEquals(Object.keys(s).sort(), keys);
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for (const k of keys) {
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assertEquals(
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typeof (s as unknown as Record<string, unknown>)[k],
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"number",
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);
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}
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},
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});
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Deno.test({
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name: "setFlagsFromString throws",
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fn() {
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assertThrows(() => setFlagsFromString("--allow_natives_syntax"));
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},
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});
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