JezK
Edit File: property-load-across-eval.js
// Copyright 2009 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following // disclaimer in the documentation and/or other materials provided // with the distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // Tests loading of properties across eval calls. var x = 1; function global_function() { return 'global'; } const const_uninitialized; const const_initialized = function() { return "const_global"; } // Test loading across an eval call that does not shadow variables. function testNoShadowing() { var y = 2; function local_function() { return 'local'; } const local_const_uninitialized; const local_const_initialized = function() { return "const_local"; } function f() { eval('1'); assertEquals(1, x); try { typeof(asdf); } catch(e) { assertUnreachable(); } assertEquals(2, y); assertEquals('global', global_function()); assertEquals('local', local_function()); var exception = false; try { const_uninitialized(); } catch(e) { exception = true; } assertTrue(exception); assertEquals('const_global', const_initialized()); exception = false; try { local_const_uninitialized(); } catch(e) { exception = true; } assertTrue(exception); assertEquals('const_local', local_const_initialized()); function g() { assertEquals(1, x); try { typeof(asdf); } catch(e) { assertUnreachable(); } assertEquals(2, y); assertEquals('global', global_function()); assertEquals('local', local_function()); var exception = false; try { const_uninitialized(); } catch(e) { exception = true; } assertTrue(exception); assertEquals('const_global', const_initialized()); exception = false; try { local_const_uninitialized(); } catch(e) { exception = true; } assertTrue(exception); assertEquals('const_local', local_const_initialized()); } g(); } f(); } testNoShadowing(); // Test loading across eval calls that do not shadow variables. function testNoShadowing2() { var y = 2; function local_function() { return 'local'; } eval('1'); function f() { eval('1'); assertEquals(1, x); assertEquals(2, y); assertEquals('global', global_function()); assertEquals('local', local_function()); function g() { assertEquals(1, x); assertEquals(2, y); assertEquals('global', global_function()); assertEquals('local', local_function()); } g(); } f(); } testNoShadowing2(); // Test loading across an eval call that shadows variables. function testShadowing() { var y = 2; function local_function() { return 'local'; } function f() { eval('var x = 3; var y = 4;'); assertEquals(3, x); assertEquals(4, y); eval('function local_function() { return "new_local"; }'); eval('function global_function() { return "new_nonglobal"; }'); assertEquals('new_nonglobal', global_function()); assertEquals('new_local', local_function()); function g() { assertEquals(3, x); assertEquals(4, y); assertEquals('new_nonglobal', global_function()); assertEquals('new_local', local_function()); } g(); } f(); } testShadowing();