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Unified Diff: test/mjsunit/const-declaration.js

Issue 73076: Fix crash bug when loading const variable in the presence of eval.... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 11 years, 8 months ago
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Index: test/mjsunit/const-declaration.js
===================================================================
--- test/mjsunit/const-declaration.js (revision 0)
+++ test/mjsunit/const-declaration.js (revision 0)
@@ -0,0 +1,172 @@
+// 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.
+
+// Test handling of const variables in various settings.
+
+(function () {
+ function f() {
+ function g() {
+ x = 42; // should be ignored
+ return x; // force x into context
+ }
+ x = 43; // should be ignored
+ assertEquals(undefined, g());
+ x = 44; // should be ignored
+ const x = 0;
+ x = 45; // should be ignored
+ assertEquals(0, g());
+ }
+ f();
+})();
+
+
+(function () {
+ function f() {
+ function g() {
+ with ({foo: 0}) {
+ x = 42; // should be ignored
+ return x; // force x into context
+ }
+ }
+ x = 43; // should be ignored
+ assertEquals(undefined, g());
+ x = 44; // should be ignored
+ const x = 0;
+ x = 45; // should be ignored
+ assertEquals(0, g());
+ }
+ f();
+})();
+
+
+(function () {
+ function f() {
+ function g(s) {
+ eval(s);
+ return x; // force x into context
+ }
+ x = 43; // should be ignored
+ assertEquals(undefined, g("x = 42;"));
+ x = 44; // should be ignored
+ const x = 0;
+ x = 45; // should be ignored
+ assertEquals(0, g("x = 46;"));
+ }
+ f();
+})();
+
+
+(function () {
+ function f() {
+ function g(s) {
+ with ({foo: 0}) {
+ eval(s);
+ return x; // force x into context
+ }
+ }
+ x = 43; // should be ignored
+ assertEquals(undefined, g("x = 42;"));
+ x = 44; // should be ignored
+ const x = 0;
+ x = 45; // should be ignored
+ assertEquals(0, g("x = 46;"));
+ }
+ f();
+})();
+
+
+(function () {
+ function f(s) {
+ function g() {
+ x = 42; // assign to global x, or to const x
+ return x;
+ }
+ x = 43; // declare global x
+ assertEquals(42, g());
+ x = 44; // assign to global x
+ eval(s);
+ x = 45; // should be ignored (assign to const x)
+ assertEquals(0, g());
+ }
+ f("const x = 0;");
+})();
+
+
+(function () {
+ function f(s) {
+ function g() {
+ with ({foo: 0}) {
+ x = 42; // assign to global x, or to const x
+ return x;
+ }
+ }
+ x = 43; // declare global x
+ assertEquals(42, g());
+ x = 44; // assign to global x
+ eval(s);
+ x = 45; // should be ignored (assign to const x)
+ assertEquals(0, g());
+ }
+ f("const x = 0;");
+})();
+
+
+(function () {
+ function f(s) {
+ function g(s) {
+ eval(s);
+ return x;
+ }
+ x = 43; // declare global x
+ assertEquals(42, g("x = 42;"));
+ x = 44; // assign to global x
+ eval(s);
+ x = 45; // should be ignored (assign to const x)
+ assertEquals(0, g("x = 46;"));
+ }
+ f("const x = 0;");
+})();
+
+
+(function () {
+ function f(s) {
+ function g(s) {
+ with ({foo: 0}) {
+ eval(s);
+ return x;
+ }
+ }
+ x = 43; // declare global x
+ assertEquals(42, g("x = 42;"));
+ x = 44; // assign to global x
+ eval(s);
+ x = 45; // should be ignored (assign to const x)
+ assertEquals(0, g("x = 46;"));
+ }
+ f("const x = 0;");
+})();
+
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