1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/parser/yield-without-operand.js b/js/src/jit-test/tests/parser/yield-without-operand.js
new file mode 100644
index 000000000..56f041a73
--- /dev/null
+++ b/js/src/jit-test/tests/parser/yield-without-operand.js
@@ -0,0 +1,26 @@
+// yield without an operand is fine and dandy.
+
+load(libdir + "asserts.js");
+
+assertNoWarning(() => Function("yield"), SyntaxError,
+                "yield followed by EOF is fine");
+assertNoWarning(() => Function("yield;"), SyntaxError,
+                "yield followed by semicolon is fine");
+assertNoWarning(() => Function("yield\n"), SyntaxError,
+                "yield followed by newline is fine");
+assertNoWarning(() => Function("yield\n  print('ok');"), SyntaxError,
+                "yield followed by newline and statement is fine");
+assertNoWarning(() => Function("yield\n  /x/;"), SyntaxError,
+                "yield followed by newline and regexp is fine");
+assertThrowsInstanceOf(() => Function("yield\n  /"), SyntaxError,
+                       "yield followed by newline and slash is fine");
+
+assertNoWarning(() => eval("(function () { yield; })"), SyntaxError,
+                "yield followed by semicolon in eval code is fine");
+assertNoWarning(() => eval("(function () { yield })"), SyntaxError,
+                "yield followed by } in eval code is fine");
+
+assertNoWarning(() => Function("yield 0;"),
+                "yield with an operand should be fine");
+assertNoWarning(() => Function("yield 0"),
+                "yield with an operand should be fine, even without a semicolon");