1 files changed, 27 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Math/fround/value-convertion.js b/js/src/tests/test262/built-ins/Math/fround/value-convertion.js
new file mode 100644
index 0000000000..98e6b9d4a3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Math/fround/value-convertion.js
@@ -0,0 +1,27 @@
+// Copyright (C) 2016 The V8 Project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.fround
+description: >
+  Convert to binary32 format and than to binary64 format
+info: |
+  Math.fround ( x )
+
+  [...]
+  3. Let x32 be the result of converting x to a value in IEEE 754-2008 binary32
+  format using roundTiesToEven.
+  4. Let x64 be the result of converting x32 to a value in IEEE 754-2008
+  binary64 format.
+  5. Return the ECMAScript Number value corresponding to x64.
+---*/
+
+assert.sameValue(Math.fround(4294967295), 4294967296, "2**32-1");
+assert.sameValue(Math.fround(4294967296), 4294967296, "2**32");
+assert.sameValue(Math.fround(4294967297), 4294967296, "2**32+1");
+
+assert.sameValue(Math.fround(0.1), 0.10000000149011612, "0.1");
+assert.sameValue(Math.fround(0.2), 0.20000000298023224, "0.2");
+assert.sameValue(Math.fround(0.5), 0.5, "0.5");
+
+reportCompare(0, 0);