Adds API tests for listRemovableStorageDevices

chrome/test/data/extensions/api_test/image_writer_private/list_devices/test.js

Index: chrome/test/data/extensions/api_test/image_writer_private/list_devices/test.js
diff --git a/chrome/test/data/extensions/api_test/image_writer_private/list_devices/test.js b/chrome/test/data/extensions/api_test/image_writer_private/list_devices/test.js
new file mode 100644
index 0000000000000000000000000000000000000000..5643515dbb0378a280c486b85ed44485e4c8f3f1
--- /dev/null
+++ b/chrome/test/data/extensions/api_test/image_writer_private/list_devices/test.js
@@ -0,0 +1,41 @@
+// 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 expectedDevices = [{
+  'vendor': 'Vendor 1',
+  'model': 'Model 1',
+  'capacity': 1 << 20,
+  'storageUnitId': '/test/id/1',
+  }, {
+  'vendor': 'Vendor 2',
+  'model': 'Model 2',
+  'capacity': 1 << 22,
+  'storageUnitId': '/test/id/2',
+  }];
+
+
+function testDeviceList() {
+  chrome.imageWriterPrivate.listRemovableStorageDevices(
+          chrome.test.callback(listRemovableDevicesCallback));
+}
+
+function listRemovableDevicesCallback(deviceList) {
+  deviceList.sort(function (a, b) {
+    if (a.storageUnitId > b.storageUnitId) return 1;
+    if (a.storageUnitId < b.storageUnitId) return -1;
+    return 0;
+  });
+
+  chrome.test.assertEq(2, deviceList.length);
+
+  deviceList.forEach(function (dev, i) {
+    var expected = expectedDevices[i];
+    chrome.test.assertEq(expected.vendor, dev.vendor);
+    chrome.test.assertEq(expected.model, dev.model);
+    chrome.test.assertEq(expected.capacity, dev.capacity);
+    chrome.test.assertEq(expected.storageUnitId, dev.storageUnitId);
+  });
+}
+
+chrome.test.runTests([testDeviceList])