1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/SharedArrayBuffer/prototype/slice/tointeger-conversion-start.js b/js/src/tests/test262/built-ins/SharedArrayBuffer/prototype/slice/tointeger-conversion-start.js
new file mode 100644
index 0000000000..3291405e41
--- /dev/null
+++ b/js/src/tests/test262/built-ins/SharedArrayBuffer/prototype/slice/tointeger-conversion-start.js
@@ -0,0 +1,23 @@
+// |reftest| skip-if(!this.hasOwnProperty('SharedArrayBuffer')) -- SharedArrayBuffer is not enabled unconditionally
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// Copyright (C) 2017 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+  The `start` index parameter is converted to an integral numeric value.
+info: |
+  SharedArrayBuffer.prototype.slice ( start, end )
+features: [SharedArrayBuffer]
+---*/
+
+var arrayBuffer = new SharedArrayBuffer(8);
+var result;
+
+result = arrayBuffer.slice(4.5, 8);
+assert.sameValue(result.byteLength, 4, "slice(4.5, 8)");
+
+result = arrayBuffer.slice(NaN, 8);
+assert.sameValue(result.byteLength, 8, "slice(NaN, 8)");
+
+reportCompare(0, 0);