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authorRyan <ry@tinyclouds.org>2009-04-22 19:35:47 +0200
committerRyan <ry@tinyclouds.org>2009-04-22 19:35:47 +0200
commit40c0f755c998d2615fe8466aab20c6d81bd463e7 (patch)
tree51fcb08ba1bd3f745ceb43fd5f814a5700079881 /deps/v8/test/mjsunit/global-load-from-eval.js
parenta93cf503073ba0258c55dec4dc325bdc1509b739 (diff)
downloadnode-new-40c0f755c998d2615fe8466aab20c6d81bd463e7.tar.gz
import full versions of dependency libraries!
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+// 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 global loads from eval.
+
+var x = 27;
+
+function test() {
+ function g() {
+ assertEquals(27, eval('x'));
+ function h() {
+ // Shadow with local variable.
+ var x = 22;
+ assertEquals(22, eval('x'));
+ function i(x) {
+ // Shadow with parameter.
+ assertEquals(44, eval('x'));
+ function j() {
+ assertEquals(x, eval('x'));
+ // Shadow with function name.
+ function x() {
+ assertEquals(x, eval('x'));
+ }
+ x();
+ }
+ j();
+ }
+ i(44);
+ }
+ h();
+ }
+ g();
+}
+
+test();
+
+// Test loading of globals from deeply nested eval. This code is a
+// bit complicated, but the complication is needed to check that the
+// code that loads the global variable accounts for the fact that the
+// global variable becomes shadowed by an eval-introduced variable.
+var result = 0;
+function testDeep(source, load, test) {
+ eval(source);
+ function f() {
+ var y = 23;
+ function g() {
+ var z = 25;
+ function h() {
+ eval(load);
+ eval(test);
+ }
+ h();
+ }
+ g();
+ }
+ f();
+}
+testDeep('1', 'result = x', 'assertEquals(27, result)');
+// Because of the eval-cache, the 'result = x' code gets reused. This
+// time in a context where the 'x' variable has been shadowed.
+testDeep('var x = 1', 'result = x', 'assertEquals(1, result)');