text: // Copyright Joyent, Inc. and other Node contributors.
  //
  // Permission is hereby granted, free of charge, to any person obtaining a
  // copy of this software and associated documentation files (the
  // "Software"), to deal in the Software without restriction, including
  // without limitation the rights to use, copy, modify, merge, publish,
  // distribute, sublicense, and/or sell copies of the Software, and to permit
  // persons to whom the Software is furnished to do so, subject to the
  // following conditions:
  //
  // The above copyright notice and this permission notice shall be included
  // in all copies or substantial portions of the Software.
  //
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
  // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
  // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  // USE OR OTHER DEALINGS IN THE SOFTWARE.
  
  'use strict';
  require('../common');
  const assert = require('assert');
  const vm = require('vm');
  
  // Test 1: Timeout of 100ms executing endless loop
  assert.throws(function() {
    vm.runInThisContext('while(true) {}', { timeout: 100 });
  }, /^Error: Script execution timed out\.$/);
  
  // Test 2: Timeout must be >= 0ms
  assert.throws(function() {
    vm.runInThisContext('', { timeout: -1 });
  }, RangeError);
  
  // Test 3: Timeout of 0ms
  assert.throws(function() {
    vm.runInThisContext('', { timeout: 0 });
  }, RangeError);
  
  // Test 4: Timeout of 1000ms, script finishes first
  vm.runInThisContext('', { timeout: 1000 });
  
  // Test 5: Nested vm timeouts, inner timeout propagates out
  assert.throws(function() {
    const context = {
      log: console.log,
      runInVM: function(timeout) {
        vm.runInNewContext('while(true) {}', context, { timeout: timeout });
      }
    };
    vm.runInNewContext('runInVM(10)', context, { timeout: 10000 });
    throw new Error('Test 5 failed');
  }, /Script execution timed out\./);
  
  // Test 6: Nested vm timeouts, outer timeout is shorter and fires first.
  assert.throws(function() {
    const context = {
      runInVM: function(timeout) {
        vm.runInNewContext('while(true) {}', context, { timeout: timeout });
      }
    };
    vm.runInNewContext('runInVM(10000)', context, { timeout: 100 });
    throw new Error('Test 6 failed');
  }, /Script execution timed out\./);
  
  // Test 7: Nested vm timeouts, inner script throws an error.
  assert.throws(function() {
    const context = {
      runInVM: function(timeout) {
        vm.runInNewContext('throw new Error(\'foobar\')', context, {
          timeout: timeout
        });
      }
    };
    vm.runInNewContext('runInVM(10000)', context, { timeout: 100000 });
  }, /foobar/);
  