1 files changed, 17 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/parseFloat/S15.1.2.3_A3_T1.js b/js/src/tests/test262/built-ins/parseFloat/S15.1.2.3_A3_T1.js
new file mode 100644
index 0000000000..98fc07e9b2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/parseFloat/S15.1.2.3_A3_T1.js
@@ -0,0 +1,17 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: |
+    If neither Result(2) nor any prefix of Result(2) satisfies the syntax of a
+    StrDecimalLiteral (see 9.3.1), return NaN
+esid: sec-parsefloat-string
+description: parseFloat("some string") return NaN
+---*/
+
+assert.sameValue(parseFloat("str"), NaN, "str");
+assert.sameValue(parseFloat("s1"), NaN, "s1");
+assert.sameValue(parseFloat(""), NaN, "");
+assert.sameValue(parseFloat("+"), NaN, "+");
+
+reportCompare(0, 0);