Adding upstream version 86.0.1.upstream/86.0.1upstream

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

1 files changed, 73 insertions, 0 deletions

diff --git a/js/src/tests/test262/language/global-code/script-decl-var.js b/js/src/tests/test262/language/global-code/script-decl-var.js
new file mode 100644
index 0000000000..7cc30af979
--- /dev/null
+++ b/js/src/tests/test262/language/global-code/script-decl-var.js
@@ -0,0 +1,73 @@
+// 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: Declaration of variable where permissible
+info: |
+  [...]
+  11. Let declaredVarNames be a new empty List.
+  12. For each d in varDeclarations, do
+      a. If d is a VariableDeclaration or a ForBinding, then
+         i. For each String vn in the BoundNames of d, do
+            1. If vn is not an element of declaredFunctionNames, then
+               a. Let vnDefinable be ? envRec.CanDeclareGlobalVar(vn).
+               b. If vnDefinable is false, throw a TypeError exception.
+               c. If vn is not an element of declaredVarNames, then
+                  i. Append vn to declaredVarNames.
+  [...]
+  18. For each String vn in declaredVarNames, in list order do
+      a. Perform ? envRec.CreateGlobalVarBinding(vn, false).
+  [...]
+
+  8.1.1.4.15 CanDeclareGlobalVar
+
+  1. Let envRec be the global Environment Record for which the method was
+     invoked.
+  2. Let ObjRec be envRec.[[ObjectRecord]].
+  3. Let globalObject be the binding object for ObjRec.
+  4. Let hasProperty be ? HasOwnProperty(globalObject, N).
+  5. If hasProperty is true, return true.
+  6. Return ? IsExtensible(globalObject). 
+includes: [propertyHelper.js]
+---*/
+
+$262.evalScript('var brandNew;');
+
+assert.sameValue(
+  this.brandNew, undefined, 'new binding on an extensible global object'
+);
+verifyEnumerable(this, 'brandNew');
+verifyWritable(this, 'brandNew');
+verifyNotConfigurable(this, 'brandNew');
+
+Object.defineProperty(
+  this,
+  'configurable',
+  { configurable: true, writable: false, enumerable: false, value: 0 }
+);
+Object.defineProperty(
+  this,
+  'nonConfigurable',
+  { configurable: false, writable: false, enumerable: false, value: 0 }
+);
+
+// Prevent extensions on the global object to ensure that detail is not
+// considered by any of the declarations which follow.
+Object.preventExtensions(this);
+
+$262.evalScript('var configurable;');
+
+assert.sameValue(configurable, 0, 'like-named configurable property');
+verifyNotEnumerable(this, 'configurable');
+verifyNotWritable(this, 'configurable');
+verifyConfigurable(this, 'configurable');
+
+$262.evalScript('var nonConfigurable;');
+
+assert.sameValue(nonConfigurable, 0, 'like-named non-configurable property');
+verifyNotEnumerable(this, 'nonConfigurable');
+verifyNotWritable(this, 'nonConfigurable');
+verifyNotConfigurable(this, 'nonConfigurable');
+
+reportCompare(0, 0);