scriptc/packages/runtime/src/scr_json.test.ts

import { execFile } from "node:child_process";
import { mkdtemp, rm } from "node:fs/promises";
import { tmpdir } from "node:os";
import { join } from "node:path";
import { promisify } from "node:util";
import { expect, test } from "vitest";

const exec = promisify(execFile);

test.each([false, true])(
  "checked storage and weak metadata preserve ownership (audit=%s)",
  async (audit) => {
    const scratch = await mkdtemp(join(tmpdir(), "scriptc-weak-map-"));
    const src = import.meta.dirname;
    const binary = join(scratch, "weak-map");
    try {
      await exec("clang", [
        "-std=c11",
        "-O1",
        "-Wall",
        "-Wextra",
        "-fsanitize=address,undefined",
        ...(audit ? ["-DSCR_RC_AUDIT"] : []),
        "-I",
        src,
        "-o",
        binary,
        ...[
          "scr_json.test.c",
          "scr_json.c",
          "scr_string.c",
          "scr_array.c",
          "scr_arena.c",
          "scr_map.c",
          "scr_exception.c",
          "scr_error.c",
          "scr_number.c",
          "scr_console.c",
          "scr_closure.c",
          "scr_object.c",
          "scr_union.c",
          "scr_cycle.c",
          "scr_alloc.c",
          "scr_lib.c",
          "scr_hash.c",
          "scr_bytes.c",
          "scr_shared.c",
          "scr_bigint.c",
          "scr_url.c",
          "scr_url_params.c",
          "scr_path.c",
        ].map((file) => join(src, file)),
        ...(process.platform === "linux" ? ["-D_GNU_SOURCE", "-lm"] : []),
      ]);
      for (const threshold of ["1", "7", "256"]) {
        const result = await exec(binary, [], {
          env: {
            ...process.env,
            SCR_CYCLE_THRESHOLD: threshold,
            ASAN_OPTIONS: "detect_leaks=0:halt_on_error=1",
            UBSAN_OPTIONS: "halt_on_error=1",
          },
        });
        expect(result.stdout).toBe("checked storage and weak metadata lifetime checks passed\n");
        expect(result.stderr).toBe("");
      }
    } finally {
      await rm(scratch, { recursive: true, force: true });
    }
  },
);