1 files changed, 27 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/parseFloat/S15.1.2.3_A4_T4.js b/js/src/tests/test262/built-ins/parseFloat/S15.1.2.3_A4_T4.js
new file mode 100644
index 0000000000..22db18f194
--- /dev/null
+++ b/js/src/tests/test262/built-ins/parseFloat/S15.1.2.3_A4_T4.js
@@ -0,0 +1,27 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: |
+    Compute the longest prefix of Result(2), which might be Result(2) itself,
+    which satisfies the syntax of a StrDecimalLiteral
+esid: sec-parsefloat-string
+description: "\"Infinity\"+\"some string\""
+---*/
+
+//CHECK#1
+if (parseFloat("Infinity1") !== Number.POSITIVE_INFINITY) {
+  throw new Test262Error('#1: parseFloat("Infinity1") === Number.POSITIVE_INFINITY. Actual: ' + (parseFloat("Infinity1")));
+}
+
+//CHECK#2
+if (parseFloat("Infinityx") !== Number.POSITIVE_INFINITY) {
+  throw new Test262Error('#2: parseFloat("Infinityx") === Number.POSITIVE_INFINITY. Actual: ' + (parseFloat("Infinityx")));
+}
+
+//CHECK#3
+if (parseFloat("Infinity+1") !== Number.POSITIVE_INFINITY) {
+  throw new Test262Error('#3: parseFloat("Infinity+1") === Number.POSITIVE_INFINITY. Actual: ' + (parseFloat("Infinity+1")));
+}
+
+reportCompare(0, 0);