Add m-esr52 at 52.6.0

1 files changed, 18 insertions, 0 deletions

diff --git a/js/src/tests/ecma_6/LexicalEnvironment/implicit-this-in-with.js b/js/src/tests/ecma_6/LexicalEnvironment/implicit-this-in-with.js
new file mode 100644
index 000000000..7c112e244
--- /dev/null
+++ b/js/src/tests/ecma_6/LexicalEnvironment/implicit-this-in-with.js
@@ -0,0 +1,18 @@
+// Test that callees that resolve to bindings on the global object or the
+// global lexical environment get an 'undefined' this inside with scopes.
+
+let g = function () { "use strict"; assertEq(this, undefined); }
+function f() { "use strict"; assertEq(this, undefined); }
+
+with ({}) { 
+  // f is resolved on the global object
+  f();
+  // g is resolved on the global lexical environment
+  g();
+}
+
+f();
+g();
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);