// WGSL's integer semantics vectors (wai/wgsl-conformance/integer.jsonl) against the
// reference compiled to wasm32, under Node, with no GPU: every committed result must be
// the one `wai_ops_gpu::semantics::reference` gives in WebAssembly.
//
// Build the page's module first (run.mjs's header says how), then:
//
//   node wai/wai-ops-gpu/browser/semantics_reference.mjs
//
// Prints `wasm reference: target=wasm32 ... cases=N equal` and exits 0, or prints the
// first difference and exits 1.
import fs from "node:fs";
import path from "node:path";
import { fileURLToPath } from "node:url";

const HERE = path.dirname(fileURLToPath(import.meta.url));
const pkg = path.join(HERE, "pkg");
if (!fs.existsSync(path.join(pkg, "wai_ops_gpu_browser.js"))) {
  console.error("no pkg/wai_ops_gpu_browser.js; build it as run.mjs's header says");
  process.exit(2);
}
const mod = await import(path.join(pkg, "wai_ops_gpu_browser.js"));
mod.initSync({ module: fs.readFileSync(path.join(pkg, "wai_ops_gpu_browser_bg.wasm")) });
const vectors = fs.readFileSync(path.resolve(HERE, "../../wgsl-conformance/integer.jsonl"), "utf8");
const out = mod.semantics_reference(vectors);
console.log(`node ${process.version}: ${out}`);
if (!/^wasm reference: target=wasm32 .* cases=[1-9][0-9]* equal$/.test(out)) process.exit(1);