1'use strict'; 2 3// Flags: --experimental-wasi-unstable-preview1 4 5require('../common'); 6const assert = require('assert'); 7const { WASI } = require('wasi'); 8 9// If args is undefined, it should default to [] and should not throw. 10new WASI({}); 11 12// If args is not an Array and not undefined, it should throw. 13assert.throws(() => { new WASI({ args: 'fhqwhgads' }); }, 14 { code: 'ERR_INVALID_ARG_TYPE', message: /\bargs\b/ }); 15 16// If env is not an Object and not undefined, it should throw. 17assert.throws(() => { new WASI({ env: 'fhqwhgads' }); }, 18 { code: 'ERR_INVALID_ARG_TYPE', message: /\benv\b/ }); 19 20// If preopens is not an Object and not undefined, it should throw. 21assert.throws(() => { new WASI({ preopens: 'fhqwhgads' }); }, 22 { code: 'ERR_INVALID_ARG_TYPE', message: /\bpreopens\b/ }); 23 24// If returnOnExit is not a boolean and not undefined, it should throw. 25assert.throws(() => { new WASI({ returnOnExit: 'fhqwhgads' }); }, 26 { code: 'ERR_INVALID_ARG_TYPE', message: /\breturnOnExit\b/ }); 27 28// If stdin is not an int32 and not undefined, it should throw. 29assert.throws(() => { new WASI({ stdin: 'fhqwhgads' }); }, 30 { code: 'ERR_INVALID_ARG_TYPE', message: /\bstdin\b/ }); 31 32// If stdout is not an int32 and not undefined, it should throw. 33assert.throws(() => { new WASI({ stdout: 'fhqwhgads' }); }, 34 { code: 'ERR_INVALID_ARG_TYPE', message: /\bstdout\b/ }); 35 36// If stderr is not an int32 and not undefined, it should throw. 37assert.throws(() => { new WASI({ stderr: 'fhqwhgads' }); }, 38 { code: 'ERR_INVALID_ARG_TYPE', message: /\bstderr\b/ }); 39 40// If options is provided, but not an object, the constructor should throw. 41[null, 'foo', '', 0, NaN, Symbol(), true, false, () => {}].forEach((value) => { 42 assert.throws(() => { new WASI(value); }, 43 { code: 'ERR_INVALID_ARG_TYPE' }); 44}); 45 46// Verify that exceptions thrown from the binding layer are handled. 47assert.throws(() => { 48 new WASI({ preopens: { '/sandbox': '__/not/real/path' } }); 49}, { code: 'UVWASI_ENOENT', message: /uvwasi_init/ }); 50