| /* |
| * 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.bluetooth; |
| |
| import android.test.AndroidTestCase; |
| import android.text.InputFilter; |
| import android.text.SpannableStringBuilder; |
| |
| import com.android.settings.bluetooth.Utf8ByteLengthFilter; |
| |
| import dalvik.annotation.TestLevel; |
| import dalvik.annotation.TestTargetClass; |
| import dalvik.annotation.TestTargetNew; |
| import dalvik.annotation.TestTargets; |
| |
| @TestTargetClass(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 = "Utf8ByteLengthFilter", |
| args = {int.class} |
| ) |
| }) |
| public void testFilter() { |
| // Define the variables |
| CharSequence source; |
| SpannableStringBuilder dest; |
| // Constructor to create a LengthFilter |
| InputFilter lengthFilter = new 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); |
| } |
| } |