Index: chrome/android/junit/src/org/chromium/chrome/browser/widget/selection/SelectionDelegateTest.java |
diff --git a/chrome/android/junit/src/org/chromium/chrome/browser/widget/selection/SelectionDelegateTest.java b/chrome/android/junit/src/org/chromium/chrome/browser/widget/selection/SelectionDelegateTest.java |
new file mode 100644 |
index 0000000000000000000000000000000000000000..9e2c04bfd153ddc880a630ec56f82e1e5f83e851 |
--- /dev/null |
+++ b/chrome/android/junit/src/org/chromium/chrome/browser/widget/selection/SelectionDelegateTest.java |
@@ -0,0 +1,117 @@ |
+// Copyright 2016 The Chromium Authors. All rights reserved. |
Michael van Ouwerkerk
2017/04/04 13:54:31
nit: 2017
Finnur
2017/04/04 16:13:36
Done.
|
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+package org.chromium.chrome.browser.widget.selection; |
+ |
+import static org.junit.Assert.assertEquals; |
+ |
+import org.junit.Test; |
+import org.junit.runner.RunWith; |
+import org.robolectric.annotation.Config; |
+ |
+import org.chromium.testing.local.LocalRobolectricTestRunner; |
+ |
+import java.util.List; |
+ |
+/** |
+ * Tests for the SelectionDelegate class. |
Michael van Ouwerkerk
2017/04/04 13:54:31
nit: {@link SelectionDelegate}
Finnur
2017/04/04 16:13:36
Done.
|
+ */ |
+@RunWith(LocalRobolectricTestRunner.class) |
+@Config(manifest = Config.NONE) |
+public class SelectionDelegateTest implements SelectionDelegate.SelectionObserver<Object> { |
+ private SelectionDelegate<Object> mDelegate; |
Michael van Ouwerkerk
2017/04/04 13:54:31
It seems cleaner to track this state on a per-test
Finnur
2017/04/04 16:13:36
Done.
|
+ |
+ private final Object mData1 = new Object(); |
+ private final Object mData2 = new Object(); |
+ private final Object mData3 = new Object(); |
+ |
+ private List<Object> mSelectedItems; |
Michael van Ouwerkerk
2017/04/04 13:54:31
Same for this member, I'd avoid changing member st
Finnur
2017/04/04 16:13:36
Done.
|
+ |
+ // SelectionDelegate.SelectionObserver: |
+ |
+ public void onSelectionStateChange(List<Object> selectedItems) { |
+ mSelectedItems = selectedItems; |
+ assertEquals(selectedItems, mDelegate.getSelectedItems()); |
+ } |
+ |
+ @Test |
+ public void testSelectionDelegateSingle() { |
+ mDelegate = new SelectionDelegate<Object>(); |
+ mDelegate.setSingleSelectionMode(); |
+ |
+ mDelegate.addObserver(this); |
+ |
+ // Starting state, nothing is selected. |
+ assertEquals(false, mDelegate.isItemSelected(mData1)); |
Michael van Ouwerkerk
2017/04/04 13:54:31
Use assertFalse and assertTrue.
Finnur
2017/04/04 16:13:36
Done.
|
+ assertEquals(false, mDelegate.isSelectionEnabled()); |
+ |
+ // Select first item and verify selection. |
+ mDelegate.toggleSelectionForItem(mData1); |
+ assertEquals(1, mSelectedItems.size()); |
+ assertEquals(true, mDelegate.isItemSelected(mData1)); |
+ assertEquals(true, mDelegate.isSelectionEnabled()); |
+ |
+ // Select second item, first item gets unselected. |
+ mDelegate.toggleSelectionForItem(mData2); |
+ assertEquals(1, mSelectedItems.size()); |
+ assertEquals(false, mDelegate.isItemSelected(mData1)); |
+ assertEquals(true, mDelegate.isItemSelected(mData2)); |
+ assertEquals(true, mDelegate.isSelectionEnabled()); |
+ |
+ // Unselect second item. |
+ mDelegate.toggleSelectionForItem(mData2); |
+ assertEquals(0, mSelectedItems.size()); |
+ assertEquals(false, mDelegate.isItemSelected(mData2)); |
+ assertEquals(false, mDelegate.isSelectionEnabled()); |
+ |
+ // Test clearing selection. |
+ mDelegate.toggleSelectionForItem(mData1); |
+ mDelegate.clearSelection(); |
+ assertEquals(0, mSelectedItems.size()); |
+ assertEquals(false, mDelegate.isItemSelected(mData2)); |
+ assertEquals(false, mDelegate.isSelectionEnabled()); |
+ |
+ mDelegate.removeObserver(this); |
+ } |
+ |
+ @Test |
+ public void testSelectionDelegateMulti() { |
+ mDelegate = new SelectionDelegate<Object>(); |
+ |
+ mDelegate.addObserver(this); |
+ |
+ // Starting state, nothing is selected. |
+ assertEquals(false, mDelegate.isItemSelected(mData1)); |
+ assertEquals(false, mDelegate.isSelectionEnabled()); |
+ |
+ // Select first item and verify selection. |
+ mDelegate.toggleSelectionForItem(mData1); |
+ assertEquals(1, mSelectedItems.size()); |
+ assertEquals(true, mDelegate.isItemSelected(mData1)); |
+ assertEquals(true, mDelegate.isSelectionEnabled()); |
+ |
+ // Select second item, first item does not get unselected. |
+ mDelegate.toggleSelectionForItem(mData2); |
+ assertEquals(2, mSelectedItems.size()); |
+ assertEquals(true, mDelegate.isItemSelected(mData1)); |
+ assertEquals(true, mDelegate.isItemSelected(mData2)); |
+ assertEquals(true, mDelegate.isSelectionEnabled()); |
+ |
+ // Unselect second item. |
+ mDelegate.toggleSelectionForItem(mData2); |
+ assertEquals(1, mSelectedItems.size()); |
+ assertEquals(false, mDelegate.isItemSelected(mData2)); |
+ assertEquals(true, mDelegate.isItemSelected(mData1)); |
+ assertEquals(true, mDelegate.isSelectionEnabled()); |
+ |
+ // Test clearing selection. |
+ mDelegate.clearSelection(); |
+ assertEquals(0, mSelectedItems.size()); |
+ assertEquals(false, mDelegate.isItemSelected(mData1)); |
+ assertEquals(false, mDelegate.isItemSelected(mData2)); |
+ assertEquals(false, mDelegate.isSelectionEnabled()); |
+ |
+ mDelegate.removeObserver(this); |
+ } |
+} |