michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: 
michael@0: /*
michael@0:  * Any copyright is dedicated to the Public Domain.
michael@0:  * http://creativecommons.org/licenses/publicdomain/
michael@0:  */
michael@0: 
michael@0: /*
michael@0:  * These tests depend on the fact that testLenientAndStrict tries the
michael@0:  * strict case first; otherwise, the non-strict evaluation creates the
michael@0:  * variable. Ugh. Ideally, we would use evalcx, but that's not
michael@0:  * available in the browser.
michael@0:  */
michael@0: 
michael@0: /* Assigning to an undeclared variable should fail in strict mode. */
michael@0: assertEq(testLenientAndStrict('undeclared=1',
michael@0:                               completesNormally,
michael@0:                               raisesException(ReferenceError)),
michael@0:          true);
michael@0: 
michael@0: /*
michael@0:  * Assigning to a var-declared variable should be okay in strict and
michael@0:  * lenient modes.
michael@0:  */
michael@0: assertEq(testLenientAndStrict('var var_declared; var_declared=1',
michael@0:                               completesNormally,
michael@0:                               completesNormally),
michael@0:          true);
michael@0: 
michael@0: /*
michael@0:  * We mustn't report errors until the code is actually run; the variable
michael@0:  * could be created in the mean time.
michael@0:  */
michael@0: assertEq(testLenientAndStrict('undeclared_at_compiletime=1',
michael@0:                               parsesSuccessfully,
michael@0:                               parsesSuccessfully),
michael@0:          true);
michael@0: 
michael@0: function obj() {
michael@0:   var o = { x: 1, y: 1 };
michael@0:   Object.defineProperty(o, 'x', { writable: false });
michael@0:   return o;
michael@0: }
michael@0: 
michael@0: /* Put EXPR in a strict mode code context with 'with' bindings in scope. */
michael@0: function in_strict_with(expr) {
michael@0:   return "with(obj()) { (function () { 'use strict'; " + expr + " })(); }";
michael@0: }
michael@0: 
michael@0: assertEq(raisesException(TypeError)(in_strict_with('x = 2; y = 2;')), true);
michael@0: assertEq(raisesException(TypeError)(in_strict_with('x++;')), true);
michael@0: assertEq(raisesException(TypeError)(in_strict_with('++x;')), true);
michael@0: assertEq(raisesException(TypeError)(in_strict_with('x--;')), true);
michael@0: assertEq(raisesException(TypeError)(in_strict_with('--x;')), true);
michael@0: 
michael@0: reportCompare(true, true);