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54 lines
1.5 KiB
54 lines
1.5 KiB
'use strict';
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// Flags: --expose-gc
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const common = require('../common');
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const assert = require('assert');
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const vm = require('vm');
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assert.strictEqual(typeof global.gc, 'function',
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'Run this test with --expose-gc');
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common.globalCheck = false;
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console.error('run a string');
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const result = vm.runInNewContext('\'passed\';');
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assert.strictEqual('passed', result);
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console.error('thrown error');
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assert.throws(function() {
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vm.runInNewContext('throw new Error(\'test\');');
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});
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global.hello = 5;
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vm.runInNewContext('hello = 2');
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assert.strictEqual(5, global.hello);
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console.error('pass values in and out');
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global.code = 'foo = 1;' +
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'bar = 2;' +
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'if (baz !== 3) throw new Error(\'test fail\');';
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global.foo = 2;
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global.obj = { foo: 0, baz: 3 };
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/* eslint-disable no-unused-vars */
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const baz = vm.runInNewContext(global.code, global.obj);
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/* eslint-enable no-unused-vars */
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assert.strictEqual(1, global.obj.foo);
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assert.strictEqual(2, global.obj.bar);
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assert.strictEqual(2, global.foo);
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console.error('call a function by reference');
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function changeFoo() { global.foo = 100; }
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vm.runInNewContext('f()', { f: changeFoo });
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assert.strictEqual(global.foo, 100);
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console.error('modify an object by reference');
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const f = { a: 1 };
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vm.runInNewContext('f.a = 2', { f: f });
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assert.strictEqual(f.a, 2);
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console.error('use function in context without referencing context');
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const fn = vm.runInNewContext('(function() { obj.p = {}; })', { obj: {} });
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global.gc();
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fn();
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// Should not crash
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