32 lines
1.1 KiB
JavaScript
32 lines
1.1 KiB
JavaScript
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// Flags: --experimental-wasi-unstable-preview1 --experimental-wasm-bigint
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'use strict';
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const common = require('../common');
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const assert = require('assert');
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const fs = require('fs');
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const path = require('path');
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const { WASI } = require('wasi');
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const wasmDir = path.join(__dirname, 'wasm');
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const modulePath = path.join(wasmDir, 'exitcode.wasm');
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const buffer = fs.readFileSync(modulePath);
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(async () => {
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const wasi = new WASI({ returnOnExit: true });
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const importObject = { wasi_snapshot_preview1: wasi.wasiImport };
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const { instance } = await WebAssembly.instantiate(buffer, importObject);
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assert.strictEqual(wasi.start(instance), 120);
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})().then(common.mustCall());
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(async () => {
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// Verify that if a WASI application throws an exception, Node rethrows it
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// properly.
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const wasi = new WASI({ returnOnExit: true });
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wasi.wasiImport.proc_exit = () => { throw new Error('test error'); };
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const importObject = { wasi_snapshot_preview1: wasi.wasiImport };
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const { instance } = await WebAssembly.instantiate(buffer, importObject);
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assert.throws(() => {
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wasi.start(instance);
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}, /^Error: test error$/);
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})().then(common.mustCall());
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