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75 lines
2.5 KiB
75 lines
2.5 KiB
// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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'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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// Run a string
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const result = vm.runInNewContext('\'passed\';');
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assert.strictEqual('passed', result);
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// Thrown error
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assert.throws(() => {
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vm.runInNewContext('throw new Error(\'test\');');
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}, /^Error: test$/);
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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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// 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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// 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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// 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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// 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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