v8/test/mjsunit/regress/regress-1624.js

// Copyright 2012 the V8 project authors. All rights reserved.
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// modification, are permitted provided that the following conditions are
// met:
//
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// Test that global eval calls of strict code (independent from whether being
// direct or indirect) have their own lexical and variable environment.

var evil = eval;

// Test global direct strict eval.
// Expects new environment.
var no_touch = 0;
eval('"use strict"; var no_touch = 1;');
assertSame(0, no_touch);

// Test global indirect strict eval.
// Expects new environment.
var no_touch = 0;
evil('"use strict"; var no_touch = 2;');
assertSame(0, no_touch);

// Test global direct non-strict eval.
// Expects global environment.
var no_touch = 0;
eval('var no_touch = 3;');
assertSame(3, no_touch);

// Test global indirect non-strict eval.
// Expects global environment.
var no_touch = 0;
evil('var no_touch = 4;');
assertSame(4, no_touch);

// Test non-global direct strict eval in non-strict function.
// Expects new environment.
var no_touch = 0;
(function() {
  var no_touch = 0;
  eval('"use strict"; var no_touch = 5;');
  assertSame(0, no_touch);
})()
assertSame(0, no_touch);

// Test non-global indirect strict eval in non-strict function.
// Expects new environment.
var no_touch = 0;
(function() {
  var no_touch = 0;
  evil('"use strict"; var no_touch = 6;');
  assertSame(0, no_touch);
})()
assertSame(0, no_touch);

// Test non-global direct non-strict eval in non-strict function.
// Expects function environment.
var no_touch = 0;
(function() {
  var no_touch = 0;
  eval('var no_touch = 7;');
  assertSame(7, no_touch);
})()
assertSame(0, no_touch);

// Test non-global indirect non-strict eval in non-strict function.
// Expects global environment.
var no_touch = 0;
(function() {
  var no_touch = 0;
  evil('var no_touch = 8;');
  assertSame(0, no_touch);
})()
assertSame(8, no_touch);

// Test non-global direct strict eval in strict function.
// Expects new environment.
var no_touch = 0;
(function() {
  "use strict";
  var no_touch = 0;
  eval('"use strict"; var no_touch = 9;');
  assertSame(0, no_touch);
})()
assertSame(0, no_touch);

// Test non-global indirect strict eval in strict function.
// Expects new environment.
var no_touch = 0;
(function() {
  "use strict";
  var no_touch = 0;
  evil('"use strict"; var no_touch = 10;');
  assertSame(0, no_touch);
})()
assertSame(0, no_touch);

// Test non-global direct non-strict eval in strict function.
// Expects new environment.
var no_touch = 0;
(function() {
  "use strict";
  var no_touch = 0;
  eval('var no_touch = 11;');
  assertSame(0, no_touch);
})()
assertSame(0, no_touch);

// Test non-global indirect non-strict eval in strict function.
// Expects global environment.
var no_touch = 0;
(function() {
  "use strict";
  var no_touch = 0;
  evil('var no_touch = 12;');
  assertSame(0, no_touch);
})()
assertSame(12, no_touch);