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-rw-r--r--js/src/tests/ecma_6/Function/rest-parameter-names.js68
1 files changed, 68 insertions, 0 deletions
diff --git a/js/src/tests/ecma_6/Function/rest-parameter-names.js b/js/src/tests/ecma_6/Function/rest-parameter-names.js
new file mode 100644
index 000000000..6cfa01dcf
--- /dev/null
+++ b/js/src/tests/ecma_6/Function/rest-parameter-names.js
@@ -0,0 +1,68 @@
+// Any copyright is dedicated to the Public Domain.
+// http://creativecommons.org/licenses/publicdomain/
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 1288460;
+var summary =
+ "Rest parameters to functions can be named |yield| or |eval| or |let| in "
+ "non-strict code";
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var f1 = (...yield) => yield + 42;
+assertEq(f1(), "42");
+assertEq(f1(1), "142");
+
+var f2 = (...eval) => eval + 42;
+assertEq(f2(), "42");
+assertEq(f2(1), "142");
+
+var f3 = (...let) => let + 42;
+assertEq(f3(), "42");
+assertEq(f3(1), "142");
+
+function g1(x, ...yield)
+{
+ return yield + x;
+}
+assertEq(g1(0, 42), "420");
+
+function g2(x, ...eval)
+{
+ return eval + x;
+}
+assertEq(g2(0, 42), "420");
+
+function g3(x, ...let)
+{
+ return let + x;
+}
+assertEq(g3(0, 42), "420");
+
+function h()
+{
+ "use strict";
+
+ var badNames = ["yield", "eval", "let"];
+
+ for (var badName of ["yield", "eval", "let"])
+ {
+ assertThrowsInstanceOf(() => eval(`var q = (...${badName}) => ${badName} + 42;`),
+ SyntaxError);
+
+ assertThrowsInstanceOf(() => eval(`function r(x, ...${badName}) { return x + ${badName}; }`),
+ SyntaxError);
+ }
+}
+h();
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+ reportCompare(true, true);
+
+print("Tests complete");