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-rw-r--r--js/src/tests/non262/statements/for-inof-loop-const-declaration.js94
1 files changed, 94 insertions, 0 deletions
diff --git a/js/src/tests/non262/statements/for-inof-loop-const-declaration.js b/js/src/tests/non262/statements/for-inof-loop-const-declaration.js
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index 0000000000..e8daa343b9
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+++ b/js/src/tests/non262/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");