1 files changed, 82 insertions, 0 deletions
diff --git a/js/src/tests/ecma_2017/Statements/for-in-with-assignments.js b/js/src/tests/ecma_2017/Statements/for-in-with-assignments.js
new file mode 100644
index 000000000..9a9782ee4
--- /dev/null
+++ b/js/src/tests/ecma_2017/Statements/for-in-with-assignments.js
@@ -0,0 +1,82 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+var gTestfile = "for-in-with-assignments.js";
+var BUGNUMBER = 1164741;
+var summary = "Parse |for (var ... = ... in ...)|."
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+// This is a total grab-bag of junk originally in tests changed when this
+// syntax was removed.  Leaving it all in one file will make it easier to
+// eventually remove.  Avert your eyes!
+// TC39 has revived this syntax for ES2017 - "What is dead may never die."
+
+if (typeof Reflect !== "undefined" && Reflect.parse)
+  Reflect.parse("for (var x = 3 in []) { }");
+
+/******************************************************************************/
+
+function testQ() {
+  try {
+    for (var i = 0 in this) throw p;
+  } catch (e) {
+    if (i !== 94)
+      return "what";
+  }
+}
+testQ();
+
+/******************************************************************************/
+
+function f3(i,o){for(var x=i in o)parseInt(o[x]); return x}
+function f4(i,o){with(this)for(var x=i in o)parseInt(o[x]); return x}
+
+assertEq(f3(42, []), 42);
+assertEq(f3(42, ['first']), "0");
+assertEq(f4(42, []), 42);
+assertEq(f4(42, ['first']), "0");
+
+/******************************************************************************/
+
+function SetLangHead(l){
+  with(p){
+    for(var i=0 in x)
+      if(getElementById("TxtH"+i)!=undefined)
+        parseInt('huh');
+  }
+}
+x=[0,1,2,3];
+p={getElementById: function (id){parseInt(uneval(this), id); return undefined;}};
+SetLangHead(1);
+
+/******************************************************************************/
+
+(function(){for(var x = arguments in []){} function x(){}})();
+
+/******************************************************************************/
+
+with (0)
+  for (var b = 0 in 0);  // don't assert in parser
+
+/******************************************************************************/
+
+function* g1() {
+  for (var x = yield in {}) ;
+}
+var it = g1();
+assertEq(it.next().done, false);
+assertEq(it.next().done, true);
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("Tests complete");