am 5496db04: am 59091c08: Fix Bluetooth device name max length checking.

Merge commit '5496db047df21a44280c56984dbc296e2a1d7968'

* commit '5496db047df21a44280c56984dbc296e2a1d7968':
  Fix Bluetooth device name max length checking.

tests/src/com/android/settings/tests/SettingsLaunchPerformance.java

@@ -26,7 +26,7 @@ import java.util.Map;
  * Instrumentation class for Settings launch performance testing.
  */
 public class SettingsLaunchPerformance extends LaunchPerformanceBase {
- 
+
     public static final String LOG_TAG = "SettingsLaunchPerformance";
 
     public SettingsLaunchPerformance() {

tests/src/com/android/settings/tests/Utf8ByteLengthFilterTest.java

@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.tests;
+
+import android.test.AndroidTestCase;
+import android.text.InputFilter;
+import android.text.SpannableStringBuilder;
+
+import com.android.settings.bluetooth.BluetoothNamePreference;
+
+import dalvik.annotation.TestLevel;
+import dalvik.annotation.TestTargetClass;
+import dalvik.annotation.TestTargetNew;
+import dalvik.annotation.TestTargets;
+
+@TestTargetClass(BluetoothNamePreference.Utf8ByteLengthFilter.class)
+public class Utf8ByteLengthFilterTest extends AndroidTestCase {
+
+    @TestTargets({
+        @TestTargetNew(
+            level = TestLevel.COMPLETE,
+            method = "filter",
+            args = {java.lang.CharSequence.class, int.class, int.class, android.text.Spanned.class,
+                    int.class, int.class}
+        ),
+        @TestTargetNew(
+            level = TestLevel.COMPLETE,
+            method = "BluetoothNamePreference.Utf8ByteLengthFilter",
+            args = {int.class}
+        )
+    })
+    public void testFilter() {
+        // Define the variables
+        CharSequence source;
+        SpannableStringBuilder dest;
+        // Constructor to create a LengthFilter
+        BluetoothNamePreference.Utf8ByteLengthFilter lengthFilter = new BluetoothNamePreference.Utf8ByteLengthFilter(10);
+        InputFilter[] filters = {lengthFilter};
+
+        // filter() implicitly invoked. If the total length > filter length, the filter will
+        // cut off the source CharSequence from beginning to fit the filter length.
+        source = "abc";
+        dest = new SpannableStringBuilder("abcdefgh");
+        dest.setFilters(filters);
+
+        dest.insert(1, source);
+        String expectedString1 = "aabbcdefgh";
+        assertEquals(expectedString1, dest.toString());
+
+        dest.replace(5, 8, source);
+        String expectedString2 = "aabbcabcgh";
+        assertEquals(expectedString2, dest.toString());
+
+        dest.insert(2, source);
+        assertEquals(expectedString2, dest.toString());
+
+        dest.delete(1, 3);
+        String expectedString3 = "abcabcgh";
+        assertEquals(expectedString3, dest.toString());
+
+        dest.append("12345");
+        String expectedString4 = "abcabcgh12";
+        assertEquals(expectedString4, dest.toString());
+
+        source = "\u60a8\u597d";  // 2 Chinese chars == 6 bytes in UTF-8
+        dest.replace(8, 10, source);
+        assertEquals(expectedString3, dest.toString());
+
+        dest.replace(0, 1, source);
+        String expectedString5 = "\u60a8bcabcgh";
+        assertEquals(expectedString5, dest.toString());
+
+        dest.replace(0, 4, source);
+        String expectedString6 = "\u60a8\u597dbcgh";
+        assertEquals(expectedString6, dest.toString());
+
+        source = "\u00a3\u00a5";  // 2 Latin-1 chars == 4 bytes in UTF-8
+        dest.delete(2, 6);
+        dest.insert(0, source);
+        String expectedString7 = "\u00a3\u00a5\u60a8\u597d";
+        assertEquals(expectedString7, dest.toString());
+
+        dest.replace(2, 3, source);
+        String expectedString8 = "\u00a3\u00a5\u00a3\u597d";
+        assertEquals(expectedString8, dest.toString());
+
+        dest.replace(3, 4, source);
+        String expectedString9 = "\u00a3\u00a5\u00a3\u00a3\u00a5";
+        assertEquals(expectedString9, dest.toString());
+
+        // filter() explicitly invoked
+        dest = new SpannableStringBuilder("abcdefgh");
+        CharSequence beforeFilterSource = "TestLengthFilter";
+        String expectedAfterFilter = "TestLength";
+        CharSequence actualAfterFilter = lengthFilter.filter(beforeFilterSource, 0,
+                beforeFilterSource.length(), dest, 0, dest.length());
+        assertEquals(expectedAfterFilter, actualAfterFilter);
+    }
+}