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-rw-r--r--js/src/tests/test262/annexB/language/function-code/block-decl-func-skip-arguments.js59
1 files changed, 59 insertions, 0 deletions
diff --git a/js/src/tests/test262/annexB/language/function-code/block-decl-func-skip-arguments.js b/js/src/tests/test262/annexB/language/function-code/block-decl-func-skip-arguments.js
new file mode 100644
index 0000000000..14772af5ff
--- /dev/null
+++ b/js/src/tests/test262/annexB/language/function-code/block-decl-func-skip-arguments.js
@@ -0,0 +1,59 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Functions named 'arguments' have legacy hoisting semantics
+esid: sec-web-compat-functiondeclarationinstantiation
+flags: [noStrict]
+info: |
+ FunctionDeclarationInstantiation ( _func_, _argumentsList_ )
+
+ [...]
+ 7. Let _parameterNames_ be the BoundNames of _formals_.
+ [...]
+ 22. If argumentsObjectNeeded is true, then
+ f. Append "arguments" to parameterNames.
+
+ Changes to FunctionDeclarationInstantiation
+
+ [...]
+ ii. If replacing the |FunctionDeclaration| _f_ with a |VariableStatement| that has _F_
+ as a |BindingIdentifier| would not produce any Early Errors for _func_ and _F_ is
+ not an element of _parameterNames_, then
+ [...]
+---*/
+
+// Simple parameters
+(function() {
+ assert.sameValue(arguments.toString(), "[object Arguments]");
+ {
+ assert.sameValue(arguments(), undefined);
+ function arguments() {}
+ assert.sameValue(arguments(), undefined);
+ }
+ assert.sameValue(arguments.toString(), "[object Arguments]");
+}());
+
+// Single named parameter
+(function(x) {
+ assert.sameValue(arguments.toString(), "[object Arguments]");
+ {
+ assert.sameValue(arguments(), undefined);
+ function arguments() {}
+ assert.sameValue(arguments(), undefined);
+ }
+ assert.sameValue(arguments.toString(), "[object Arguments]");
+}());
+
+// Non-simple parameters
+(function(..._) {
+ assert.sameValue(arguments.toString(), "[object Arguments]");
+ {
+ assert.sameValue(arguments(), undefined);
+ function arguments() {}
+ assert.sameValue(arguments(), undefined);
+ }
+ assert.sameValue(arguments.toString(), "[object Arguments]");
+}());
+
+reportCompare(0, 0);