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authorGravatar Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com> 2022-06-22 23:21:48 -0700
committerGravatar Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com> 2022-06-22 23:21:48 -0700
commit729d445b6885f69dd2c6355f38707bd42851c791 (patch)
treef87a7c408929ea3f57bbb7ace380cf869da83c0e /integration/bunjs-only-snippets/mmap.test.js
parent25f820c6bf1d8ec6d444ef579cc036b8c0607b75 (diff)
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change the directory structurejarred/rename
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-rw-r--r--integration/bunjs-only-snippets/mmap.test.js69
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diff --git a/integration/bunjs-only-snippets/mmap.test.js b/integration/bunjs-only-snippets/mmap.test.js
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--- a/integration/bunjs-only-snippets/mmap.test.js
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-import { describe, it, expect } from "bun:test";
-import { gcTick } from "./gc";
-
-describe("Bun.mmap", async () => {
- await gcTick();
- const path = `/tmp/bun-mmap-test_${Math.random()}.txt`;
- await gcTick();
- await Bun.write(path, "hello");
- await gcTick();
-
- it("mmap finalizer", async () => {
- let map = Bun.mmap(path);
- await gcTick();
- const map2 = Bun.mmap(path);
-
- map = null;
- await gcTick();
- });
-
- it("mmap passed to other syscalls", async () => {
- const map = Bun.mmap(path);
- await gcTick();
- await Bun.write(path + "1", map);
- await gcTick();
- const text = await (await Bun.file(path + "1")).text();
- await gcTick();
-
- expect(text).toBe(new TextDecoder().decode(map));
- });
-
- it("mmap sync", async () => {
- const map = Bun.mmap(path);
- await gcTick();
- const map2 = Bun.mmap(path);
- await gcTick();
-
- const old = map[0];
- await gcTick();
- map[0] = 0;
- await gcTick();
- expect(map2[0]).toBe(0);
-
- map2[0] = old;
- await gcTick();
- expect(map[0]).toBe(old);
- await gcTick();
- await Bun.write(path, "olleh");
- await gcTick();
- expect(new TextDecoder().decode(map)).toBe("olleh");
- await gcTick();
- });
-
- it("mmap private", async () => {
- await gcTick();
- const map = Bun.mmap(path, { shared: true });
- await gcTick();
- const map2 = Bun.mmap(path, { shared: false });
- await gcTick();
- const old = map[0];
-
- await gcTick();
- map2[0] = 0;
- await gcTick();
- expect(map2[0]).toBe(0);
- await gcTick();
- expect(map[0]).toBe(old);
- await gcTick();
- });
-});