Pad HID output reports on Windows to the maximum output report size.

extensions/test/data/api_test/hid/api/background.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 var kInvalidDeviceId = -1;
 var kInvalidConnectionId = -1;
 
 var kReportDescriptor = [0x06, 0x00, 0xFF, 0x08, 0xA1, 0x01, 0x15,
                          0x00, 0x26, 0xFF, 0x00, 0x75, 0x08, 0x95,
                          0x08, 0x08, 0x81, 0x02, 0x08, 0x91, 0x02,
@@ skipping 216 matching lines @@
 }
 
 function testSendWithInvalidConnectionId() {
   var buffer = new ArrayBuffer();
   chrome.hid.send(kInvalidConnectionId, 0, buffer, function () {
     chrome.test.assertLastError("Connection not established.");
     chrome.test.succeed("Rejected invalid connection ID.");
   });
 }
 
+function testSendOversizeReport() {
+  openDeviceWithReportId(function (connection) {
+    var buffer = stringToArrayBuffer("oversize report");
+    chrome.hid.send(connection, 1, buffer, function () {
+      chrome.test.assertLastError("Transfer failed.");
+      chrome.hid.disconnect(connection);
+      chrome.test.succeed("Caught oversize report.");
+    });
+  });
+}
+
 function testSendWithReportId() {
   openDeviceWithReportId(function (connection) {
-    var buffer = stringToArrayBuffer("This is a HID output report.");
+    var buffer = stringToArrayBuffer("o-report");
     chrome.hid.send(connection, 1, buffer, function () {
       chrome.test.assertNoLastError();
       chrome.hid.disconnect(connection);
       chrome.test.succeed("Send successful.");
     });
   });
 }
 
 function testSendWithoutReportId() {
   openDeviceWithoutReportId(function (connection) {
-    var buffer = stringToArrayBuffer("This is a HID output report.");
+    var buffer = stringToArrayBuffer("o-report");
     chrome.hid.send(connection, 0, buffer, function () {
       chrome.test.assertNoLastError();
       chrome.hid.disconnect(connection);
       chrome.test.succeed("Send successful.");
     });
   });
 }
 
 function testSendWithInvalidReportId() {
   openDeviceWithReportId(function (connection) {
-    var buffer = stringToArrayBuffer("This is a HID output report.");
+    var buffer = stringToArrayBuffer("o-report");
     chrome.hid.send(connection, 0, buffer, function () {
       chrome.test.assertLastError("Transfer failed.");
       chrome.hid.disconnect(connection);
       chrome.test.succeed("Caught invalid report ID.");
     });
   });
 }
 
 function testSendWithUnexpectedReportId() {
   openDeviceWithoutReportId(function (connection) {
-    var buffer = stringToArrayBuffer("This is a HID output report.");
+    var buffer = stringToArrayBuffer("o-report");
     chrome.hid.send(connection, 1, buffer, function () {
       chrome.test.assertLastError("Transfer failed.");
       chrome.hid.disconnect(connection);
       chrome.test.succeed("Caught unexpected report ID.");
     });
   });
 }
 
 function testReceiveFeatureReportWithInvalidConnectionId() {
   chrome.hid.receiveFeatureReport(kInvalidConnectionId, 0, function (data) {
@@ skipping 106 matching lines @@
   testGetDevicesWithUsageFilter,
   testGetDevicesWithUnauthorizedDevice,
   testDeviceInfo,
   testConnectWithInvalidDeviceId,
   testConnectAndDisconnect,
   testDisconnectWithInvalidConnectionId,
   testReceiveWithInvalidConnectionId,
   testReceiveWithReportId,
   testReceiveWithoutReportId,
   testSendWithInvalidConnectionId,
+  testSendOversizeReport,
   testSendWithReportId,
   testSendWithoutReportId,
   testSendWithInvalidReportId,
   testSendWithUnexpectedReportId,
   testReceiveFeatureReportWithInvalidConnectionId,
   testReceiveFeatureReportWithReportId,
   testReceiveFeatureReportWithoutReportId,
   testReceiveFeatureReportWithInvalidReportId,
   testReceiveFeatureReportWithUnexpectedReportId,
   testSendFeatureReportWithInvalidConnectionId,
   testSendFeatureReportWithReportId,
   testSendFeatureReportWithoutReportId,
   testSendFeatureReportWithInvalidReportId,
   testSendFeatureReportWithUnexpectedReportId,
 ]);