1 files changed, 33 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Math/atanh/atanh-specialVals.js b/js/src/tests/test262/built-ins/Math/atanh/atanh-specialVals.js
new file mode 100644
index 0000000000..2dc767ff6c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/atanh/atanh-specialVals.js
@@ -0,0 +1,33 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Math.atanh with special values
+es6id: 20.2.2.7
+---*/
+
+assert.sameValue(Math.atanh(-1.9), Number.NaN,
+  "Math.atanh produces incorrect output for -1.9");
+assert.sameValue(Math.atanh(NaN), Number.NaN,
+  "Math.atanh produces incorrect output for NaN");
+assert.sameValue(Math.atanh(-10), Number.NaN,
+  "Math.atanh produces incorrect output for -10");
+assert.sameValue(Math.atanh(-Infinity), Number.NaN,
+  "Math.atanh produces incorrect output for -Infinity");
+assert.sameValue(Math.atanh(1.9), Number.NaN,
+  "Math.atanh produces incorrect output for 1.9");
+assert.sameValue(Math.atanh(10), Number.NaN,
+  "Math.atanh produces incorrect output for 10");
+assert.sameValue(Math.atanh(Number.POSITIVE_INFINITY), Number.NaN,
+  "Math.atanh produces incorrect output for Number.POSITIVE_INFINITY");
+
+assert.sameValue(Math.atanh(-1), Number.NEGATIVE_INFINITY,
+  "Math.atanh should produce negative infinity for -1");
+assert.sameValue(Math.atanh(+1), Number.POSITIVE_INFINITY,
+  "Math.atanh should produce positive infinity for +1");
+assert.sameValue(1 / Math.atanh(-0), Number.NEGATIVE_INFINITY,
+  "Math.atanh should produce -0 for -0");
+assert.sameValue(1 / Math.atanh(0), Number.POSITIVE_INFINITY,
+  "Math.atanh should produce +0 for +0");
+
+reportCompare(0, 0);