Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 64 insertions, 0 deletions

diff --git a/js/src/tests/test262/language/global-code/script-decl-var-collision.js b/js/src/tests/test262/language/global-code/script-decl-var-collision.js
new file mode 100644
index 0000000000..dcc247e536
--- /dev/null
+++ b/js/src/tests/test262/language/global-code/script-decl-var-collision.js
@@ -0,0 +1,64 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-globaldeclarationinstantiation
+es6id: 15.1.8
+description: Var binding collision with existing lexical declaration
+info: |
+  [...]
+  6. For each name in varNames, do
+     a. If envRec.HasLexicalDeclaration(name) is true, throw a SyntaxError
+        exception.
+---*/
+
+var test262Var;
+let test262Let;
+const test262Const = null;
+class test262Class {}
+
+$262.evalScript('var test262Var;');
+$262.evalScript('function test262Var() {}');
+
+assert.throws(SyntaxError, function() {
+  $262.evalScript('var x; var test262Let;');
+}, '`var` on `let` binding');
+assert.throws(ReferenceError, function() {
+  x;
+}, 'no bindings created (script declaring a `var` on a `let` binding)');
+
+assert.throws(SyntaxError, function() {
+  $262.evalScript('var x; var test262Const;');
+}, '`var` on `const` binding');
+assert.throws(ReferenceError, function() {
+  x;
+}, 'no bindings created (script declaring a `var` on a `const` binding)');
+
+assert.throws(SyntaxError, function() {
+  $262.evalScript('var x; var test262Class;');
+}, '`var` on `class` binding');
+assert.throws(ReferenceError, function() {
+  x;
+}, 'no bindings created (script declaring a `var` on a `class` binding)');
+
+assert.throws(SyntaxError, function() {
+  $262.evalScript('var x; function test262Let() {}');
+}, 'function on `let` binding');
+assert.throws(ReferenceError, function() {
+  x;
+}, 'no bindings created (script declaring a function on a `let` binding)');
+
+assert.throws(SyntaxError, function() {
+  $262.evalScript('var x; function test262Const() {}');
+}, 'function on `const` binding');
+assert.throws(ReferenceError, function() {
+  x;
+}, 'no bindings created (script declaring a function on a `const` binding)');
+
+assert.throws(SyntaxError, function() {
+  $262.evalScript('var x; function test262Class() {}');
+} , 'function on `class` binding');
+assert.throws(ReferenceError, function() {
+  x;
+}, 'no bindings created (script declaring a function on a class binding)');
+
+reportCompare(0, 0);