mirror of
https://github.com/vercel-labs/scriptc.git
synced 2026-11-06 08:23:19 +08:00
Malte Ubl
70dfdbd61e
Move the allocator into scr_alloc.c with inline fast paths in scr_runtime.h;
strings, array headers/slot buffers, and emitted acyclic records/classes
(scr_rt_calloc/scr_rt_free) now use it. Adds scr_alloc.test.{c,ts}.
44 lines
1.4 KiB
TypeScript
44 lines
1.4 KiB
TypeScript
import { execFile } from "node:child_process";
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import { mkdtemp, rm } from "node:fs/promises";
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import { tmpdir } from "node:os";
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import { join } from "node:path";
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import { promisify } from "node:util";
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import { expect, test } from "vitest";
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const exec = promisify(execFile);
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// The size-class allocator is compiled out under AddressSanitizer, so the
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// UBSan-only build is the one that exercises it; the ASan build pins the
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// system-allocator bypass the sanitizer lane relies on.
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test.each([
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["size-class", ["-fsanitize=undefined"]],
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["system", ["-fsanitize=address,undefined"]],
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])("small-object allocator contracts hold (%s)", async (mode, sanitize) => {
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const scratch = await mkdtemp(join(tmpdir(), "scriptc-alloc-"));
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try {
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const binary = join(scratch, "alloc");
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await exec("clang", [
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"-std=c11",
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"-O1",
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"-Wall",
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"-Wextra",
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...sanitize,
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join(import.meta.dirname, "scr_alloc.test.c"),
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join(import.meta.dirname, "scr_alloc.c"),
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"-o",
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binary,
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]);
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const result = await exec(binary, [], {
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env: {
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...process.env,
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ASAN_OPTIONS: "halt_on_error=1",
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UBSAN_OPTIONS: "halt_on_error=1",
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},
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});
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expect(result.stdout).toBe(`allocator checks passed: ${mode}\n`);
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expect(result.stderr).toBe("");
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} finally {
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await rm(scratch, { recursive: true, force: true });
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}
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});
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