1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/ArrayBuffer/prototype/slice/tointeger-conversion-start.js b/js/src/tests/test262/built-ins/ArrayBuffer/prototype/slice/tointeger-conversion-start.js
new file mode 100644
index 0000000000..0b13d6efa7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/ArrayBuffer/prototype/slice/tointeger-conversion-start.js
@@ -0,0 +1,29 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-arraybuffer.prototype.slice
+description: >
+  The `start` index parameter is converted to an integral numeric value.
+info: |
+  ArrayBuffer.prototype.slice ( start, end )
+
+  ...
+  6. Let relativeStart be ToInteger(start).
+  7. ReturnIfAbrupt(relativeStart).
+  ...
+---*/
+
+var arrayBuffer = new ArrayBuffer(8);
+
+var start = 4.5,
+  end = 8;
+var result = arrayBuffer.slice(start, end);
+assert.sameValue(result.byteLength, 4, "slice(4.5, 8)");
+
+var start = NaN,
+  end = 8;
+var result = arrayBuffer.slice(start, end);
+assert.sameValue(result.byteLength, 8, "slice(NaN, 8)");
+
+reportCompare(0, 0);