1 files changed, 130 insertions, 0 deletions
diff --git a/js/src/tests/ecma_6/Statements/for-in-with-destructuring-assignments.js b/js/src/tests/ecma_6/Statements/for-in-with-destructuring-assignments.js
new file mode 100644
index 000000000..6741c885e
--- /dev/null
+++ b/js/src/tests/ecma_6/Statements/for-in-with-destructuring-assignments.js
@@ -0,0 +1,130 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+var gTestfile = "for-in-with-destructuring-assignments.js";
+var BUGNUMBER = 1164741;
+var summary = "|for (var <pat> = ... in ...)| is invalid syntax";
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+// This is a total grab-bag of junk originally in tests changed when this
+// syntax was removed.  Avert your eyes!
+
+assertThrowsInstanceOf(() => eval(`
+   for (var [x] = x>>x in [[]<[]])
+   {
+     [];
+   }`),
+ SyntaxError);
+
+/******************************************************************************/
+
+assertThrowsInstanceOf(function() {
+  // Abandon all hope, ye who try to read this.
+  eval(`
+    (function () {
+      for
+      (var [x] = function(){}
+       in
+       (function m(a) {
+         if (a < 1) {
+           x;
+           return;
+         }
+         return m(a - 1) + m(a - 2);
+       })(7)(eval(""))
+      )
+      {
+        [];
+      }
+    })
+  `)();
+}, SyntaxError);
+
+/******************************************************************************/
+
+assertThrowsInstanceOf(() => eval(`
+  for (var [e] = [] in (eval("for (b = 0; b < 6; ++b) gc()"))) {}
+`), SyntaxError);
+
+/******************************************************************************/
+
+assertThrowsInstanceOf(() => eval("for (var [ v , c ] = 0 in undefined) { }"),
+                       SyntaxError);
+
+/******************************************************************************/
+
+assertThrowsInstanceOf(() => eval("var b = e; for (var [e] = b in w) c"),
+                       SyntaxError);
+
+/******************************************************************************/
+
+assertThrowsInstanceOf(() => eval("for (var {a: []} = 2 in []) { }"),
+                       SyntaxError);
+
+/******************************************************************************/
+
+assertThrowsInstanceOf(() => eval(`try
+  {
+    for (var [,{y}] = 1 in []) {}
+  }
+  catch(ex)
+  {
+  }`),
+SyntaxError);
+
+/******************************************************************************/
+
+assertThrowsInstanceOf(() => eval("for (var [x] = [] in null);"),
+                       SyntaxError);
+
+/******************************************************************************/
+
+assertThrowsInstanceOf(() => eval("for (var [x] = x in y) var x;"),
+                       SyntaxError);
+
+/******************************************************************************/
+
+assertThrowsInstanceOf(() => eval(`
+  for (var [arguments] = ({ get y(){} }) in y ) (x);
+`),
+SyntaxError);
+
+/******************************************************************************/
+
+if (typeof evalcx == 'function') {
+  var src = 'try {\n' +
+  '    for (var [e] = /x/ in d) {\n' +
+  '        (function () {});\n' +
+  '    }\n' +
+  '} catch (e) {}\n' +
+  'try {\n' +
+  '    let(x = Object.freeze(this, /x/))\n' +
+  '    e = {}.toString\n' +
+  '    function y() {}\n' +
+  '} catch (e) {}';
+
+  try
+  {
+    evalcx(src);
+    throw new Error("didn't throw");
+  }
+  catch (e)
+  {
+    assertEq(e.name === "SyntaxError", true,
+             "expected invalid syntax, got " + e);
+  }
+}
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("Tests complete");