From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 .../Statements/for-inof-loop-const-declaration.js  | 94 ++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 js/src/tests/ecma_6/Statements/for-inof-loop-const-declaration.js

(limited to 'js/src/tests/ecma_6/Statements/for-inof-loop-const-declaration.js')

diff --git a/js/src/tests/ecma_6/Statements/for-inof-loop-const-declaration.js b/js/src/tests/ecma_6/Statements/for-inof-loop-const-declaration.js
new file mode 100644
index 000000000..e8daa343b
--- /dev/null
+++ b/js/src/tests/ecma_6/Statements/for-inof-loop-const-declaration.js
@@ -0,0 +1,94 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+var gTestfile = "for-inof-loop-const-declaration.js";
+var BUGNUMBER = 1278150;
+var summary = "Support const declarations in for-of loop heads";
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var count;
+
+count = 0;
+for (const x in "abcdef")
+{
+  assertEq(x, "" + count++);
+
+  try
+  {
+    x = 3;
+    throw new Error("didn't throw");
+  }
+  catch (e)
+  {
+    assertEq(e instanceof TypeError, true,
+             "didn't get a TypeError, instead got: " + e);
+  }
+}
+
+count = 0;
+for (const x of "012345")
+{
+  assertEq(x, "" + count++);
+
+  try
+  {
+    x = 3;
+    throw new Error("didn't throw");
+  }
+  catch (e)
+  {
+    assertEq(e instanceof TypeError, true,
+             "didn't get a TypeError, instead got: " + e);
+  }
+}
+
+count = 0;
+for (const { length, 0: c } in "abcdef")
+{
+  assertEq(length, 1);
+  assertEq(c, "" + count++);
+
+
+  try
+  {
+    length = 1;
+    throw new Error("didn't throw");
+  }
+  catch (e)
+  {
+    assertEq(e instanceof TypeError, true,
+             "didn't get a TypeError, instead got: " + e);
+  }
+}
+
+count = 0;
+for (const { length, 0: c } of "012345")
+{
+  assertEq(length, 1);
+  assertEq(c, "" + count++);
+
+  try
+  {
+    c = 42;
+    throw new Error("didn't throw");
+  }
+  catch (e)
+  {
+    assertEq(e instanceof TypeError, true,
+             "didn't get a TypeError, instead got: " + e);
+  }
+}
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("Tests complete");
-- 
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