Add m-esr52 at 52.6.0

1 files changed, 90 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/basic/object-shorthand.js b/js/src/jit-test/tests/basic/object-shorthand.js
new file mode 100644
index 000000000..934f46680
--- /dev/null
+++ b/js/src/jit-test/tests/basic/object-shorthand.js
@@ -0,0 +1,90 @@
+
+load(libdir + 'asserts.js');
+
+// globals:
+a = b = get = set = eval = arguments = 10;
+
+assertEq({arguments}.arguments, 10);
+
+var o = {a, b: b, get, set: set};
+assertEq(o.a, 10);
+assertEq(o.b, 10);
+assertEq(o.get, 10);
+assertEq(o.set, 10);
+
+var names = ['a', 'get', 'set', 'eval'];
+// global
+names.forEach(ident =>
+  assertEq(new Function('return {' + ident + '}.' + ident + ';')(), 10));
+// local
+names.forEach(ident =>
+  assertEq(new Function('var ' + ident + ' = 20; return {' + ident + '}.' + ident + ';')(), 20));
+// scope
+names.forEach(ident =>
+  assertEq(new Function('var ' + ident + ' = 30; return (function () {return {' + ident + '}.' + ident + ';})();')(), 30));
+
+var reserved = [
+  'break',
+  'do',
+  'in',
+  'typeof',
+  'case',
+  'else',
+  'instanceof',
+  'var',
+  'catch',
+  'export',
+  'new',
+  'void',
+  'class',
+  'extends',
+  'return',
+  'while',
+  'const',
+  'finally',
+  'super',
+  'with',
+  'continue',
+  'for',
+  'switch',
+  'debugger',
+  'function',
+  'this',
+  'delete',
+  'import',
+  'try',
+  'enum',
+  'null',
+  'true',
+  'false'
+];
+
+// non-identifiers should also throw
+var nonidents = [
+  '"str"',
+  '0'
+];
+
+reserved.concat(nonidents).forEach(ident =>
+  assertThrowsInstanceOf(() => new Function('return {' + ident + '}'), SyntaxError));
+
+var reservedStrict = [
+  'implements',
+  'interface',
+  'package',
+  'private',
+  'protected',
+  'public',
+  'static',
+  // XXX: according to 12.1.1, these should only be errors in strict code:
+  // see https://bugzilla.mozilla.org/show_bug.cgi?id=1032150
+  //'let',
+  //'yield'
+];
+
+reservedStrict.forEach(ident =>
+  assertEq(new Function('var ' + ident + ' = 10; return {' + ident + '}.' + ident + ';')(), 10));
+
+reservedStrict.concat(['let', 'yield']).forEach(ident =>
+  assertThrowsInstanceOf(() => new Function('"use strict"; return {' + ident + '}'), SyntaxError));
+