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LibJS: Add initial implementation for SharedArrayBuffer

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None of the actual sharing is implemented yet, but this is enough for
most basic functionality.

Diff Tests:
    +260 ✅    -262 ❌   +2 💀
This commit is contained in:
Shannon Booth
2023-07-01 16:07:26 +12:00
committed by Linus Groh
parent 1c1aa2c0d0
commit 3781948f0c
Notes: sideshowbarker 2024-07-17 05:02:35 +09:00 
Author: https://github.com/shannonbooth
Commit: https://github.com/SerenityOS/serenity/commit/3781948f0c
Pull-request: https://github.com/SerenityOS/serenity/pull/19727
Reviewed-by: https://github.com/linusg
13 changed files with 347 additions and 0 deletions
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19
Userland/Libraries/LibJS/Tests/builtins/SharedArrayBuffer/SharedArrayBuffer.js Normal file
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@@ -0,0 +1,19 @@
test("basic functionality", () => {
expect(SharedArrayBuffer).toHaveLength(1);
expect(SharedArrayBuffer.name).toBe("SharedArrayBuffer");
expect(SharedArrayBuffer.prototype.constructor).toBe(SharedArrayBuffer);
expect(new SharedArrayBuffer()).toBeInstanceOf(SharedArrayBuffer);
expect(typeof new SharedArrayBuffer()).toBe("object");
});
test("SharedArrayBuffer constructor must be invoked with 'new'", () => {
expect(() => {
SharedArrayBuffer();
}).toThrowWithMessage(TypeError, "SharedArrayBuffer constructor must be called with 'new'");
});
test("SharedArrayBuffer size limit", () => {
expect(() => {
new SharedArrayBuffer(2 ** 53);
}).toThrowWithMessage(RangeError, "Invalid shared array buffer length");
});