ff66e08bce
PR-URL: https://github.com/nodejs/node/pull/27889 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Ujjwal Sharma <usharma1998@gmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
85 lines
2.5 KiB
JavaScript
85 lines
2.5 KiB
JavaScript
'use strict';
|
|
|
|
// Flags: --experimental-vm-modules
|
|
|
|
const common = require('../common');
|
|
const assert = require('assert');
|
|
const { SourceTextModule, createContext } = require('vm');
|
|
const util = require('util');
|
|
|
|
(async function test1() {
|
|
const context = createContext({
|
|
foo: 'bar',
|
|
baz: undefined,
|
|
typeofProcess: undefined,
|
|
});
|
|
const m = new SourceTextModule(
|
|
'baz = foo; typeofProcess = typeof process; typeof Object;',
|
|
{ context }
|
|
);
|
|
assert.strictEqual(m.status, 'uninstantiated');
|
|
await m.link(common.mustNotCall());
|
|
m.instantiate();
|
|
assert.strictEqual(m.status, 'instantiated');
|
|
const result = await m.evaluate();
|
|
assert.strictEqual(m.status, 'evaluated');
|
|
assert.strictEqual(Object.getPrototypeOf(result), null);
|
|
assert.deepStrictEqual(context, {
|
|
foo: 'bar',
|
|
baz: 'bar',
|
|
typeofProcess: 'undefined'
|
|
});
|
|
assert.strictEqual(result.result, 'function');
|
|
}());
|
|
|
|
(async () => {
|
|
const m = new SourceTextModule(
|
|
'global.vmResult = "foo"; Object.prototype.toString.call(process);'
|
|
);
|
|
await m.link(common.mustNotCall());
|
|
m.instantiate();
|
|
const { result } = await m.evaluate();
|
|
assert.strictEqual(global.vmResult, 'foo');
|
|
assert.strictEqual(result, '[object process]');
|
|
delete global.vmResult;
|
|
})();
|
|
|
|
(async () => {
|
|
const m = new SourceTextModule('while (true) {}');
|
|
await m.link(common.mustNotCall());
|
|
m.instantiate();
|
|
await m.evaluate({ timeout: 500 })
|
|
.then(() => assert(false), () => {});
|
|
})();
|
|
|
|
// Check the generated url for each module
|
|
(async () => {
|
|
const context1 = createContext({ });
|
|
const context2 = createContext({ });
|
|
|
|
const m1 = new SourceTextModule('1', { context: context1 });
|
|
assert.strictEqual(m1.url, 'vm:module(0)');
|
|
const m2 = new SourceTextModule('2', { context: context1 });
|
|
assert.strictEqual(m2.url, 'vm:module(1)');
|
|
const m3 = new SourceTextModule('3', { context: context2 });
|
|
assert.strictEqual(m3.url, 'vm:module(0)');
|
|
})();
|
|
|
|
// Check inspection of the instance
|
|
{
|
|
const context = createContext({ foo: 'bar' });
|
|
const m = new SourceTextModule('1', { context });
|
|
|
|
assert.strictEqual(
|
|
util.inspect(m),
|
|
"SourceTextModule {\n status: 'uninstantiated',\n linkingStatus:" +
|
|
" 'unlinked',\n url: 'vm:module(0)',\n context: { foo: 'bar' }\n}"
|
|
);
|
|
assert.strictEqual(
|
|
m[util.inspect.custom].call(Object.create(null)),
|
|
'SourceTextModule {\n status: undefined,\n linkingStatus: undefined,' +
|
|
'\n url: undefined,\n context: undefined\n}'
|
|
);
|
|
assert.strictEqual(util.inspect(m, { depth: -1 }), '[SourceTextModule]');
|
|
}
|