| /* |
| * Copyright (C) 2008 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 android.text.cts; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.fail; |
| |
| import android.support.test.filters.SmallTest; |
| import android.support.test.runner.AndroidJUnit4; |
| import android.text.AlteredCharSequence; |
| import android.text.Spanned; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| @SmallTest |
| @RunWith(AndroidJUnit4.class) |
| public class AlteredCharSequenceTest { |
| private static final String SOURCE_STR = "This is a char sequence."; |
| |
| private AlteredCharSequence mAlteredCharSequence; |
| |
| @Test |
| public void testCharAt() { |
| mAlteredCharSequence = AlteredCharSequence.make("abcdefgh", new char[] {'i', 's'}, 0, 2); |
| // chars in sub. |
| assertEquals('i', mAlteredCharSequence.charAt(0)); |
| assertEquals('s', mAlteredCharSequence.charAt(1)); |
| // chars in source. |
| assertEquals('c', mAlteredCharSequence.charAt(2)); |
| assertEquals('d', mAlteredCharSequence.charAt(3)); |
| } |
| |
| @Test(expected=StringIndexOutOfBoundsException.class) |
| public void testCharAtTooLow() { |
| mAlteredCharSequence = AlteredCharSequence.make("abcdefgh", new char[] {'i', 's'}, 0, 2); |
| |
| mAlteredCharSequence.charAt(-1); |
| } |
| |
| @Test(expected=StringIndexOutOfBoundsException.class) |
| public void testCharAtTooHigh() { |
| mAlteredCharSequence = AlteredCharSequence.make("abcdefgh", new char[] {'i', 's'}, 0, 2); |
| |
| mAlteredCharSequence.charAt(mAlteredCharSequence.length() + 1); |
| } |
| |
| @Test |
| public void testGetChars() { |
| char[] sub = { 'i', 's' }; |
| int start = 0; |
| int end = 2; |
| int off = 1; |
| |
| mAlteredCharSequence = AlteredCharSequence.make(SOURCE_STR, sub, 0, sub.length); |
| char[] dest = new char[4]; |
| mAlteredCharSequence.getChars(start, end, dest, off); |
| |
| char[] expected = { 0, 'T', 'h', 0 }; |
| for (int i = off; i < end - start + off; i++) { |
| assertEquals(expected[i], dest[i]); |
| } |
| end = 0; |
| for (int i = 0; i < 4; i++) { |
| dest[i] = 'a'; |
| } |
| mAlteredCharSequence.getChars(start, end, dest, off); |
| for (int i = off; i < end - start + off; i++) { |
| assertEquals('a', dest[i]); |
| } |
| start = end + 1; |
| try { |
| mAlteredCharSequence.getChars(start, end, dest, off); |
| fail("should raise a StringIndexOutOfBoundsException."); |
| } catch (StringIndexOutOfBoundsException e) { |
| // expected. |
| } |
| } |
| |
| @Test |
| public void testLength() { |
| char[] sub = { 'i', 's' }; |
| |
| CharSequence source = SOURCE_STR; |
| for (int i = 1; i < 10; i++) { |
| source = source + "a"; |
| mAlteredCharSequence = AlteredCharSequence.make(source, sub, 0, sub.length); |
| assertEquals(source.length(), mAlteredCharSequence.length()); |
| } |
| } |
| |
| @Test |
| public void testMake() { |
| char[] sub = { 'i', 's' }; |
| |
| CharSequence source = SOURCE_STR; |
| mAlteredCharSequence = AlteredCharSequence.make(source, sub, 0, sub.length); |
| assertNotNull(mAlteredCharSequence); |
| assertEquals(source.toString(), mAlteredCharSequence.toString()); |
| String acsClassName = mAlteredCharSequence.getClass().getName(); |
| |
| MockSpanned spanned = new MockSpanned("This is a spanned."); |
| mAlteredCharSequence = AlteredCharSequence.make(spanned, sub, 0, sub.length); |
| assertNotNull(mAlteredCharSequence); |
| assertEquals(0, mAlteredCharSequence.length()); |
| String spanClassName = mAlteredCharSequence.getClass().getName(); |
| assertFalse(0 == acsClassName.compareTo(spanClassName)); |
| } |
| |
| @Test |
| public void testSubSequence() { |
| char[] sub = { 'i', 's' }; |
| |
| CharSequence source = SOURCE_STR; |
| mAlteredCharSequence = AlteredCharSequence.make(source, sub, 0, sub.length); |
| assertEquals("Th", mAlteredCharSequence.subSequence(0, 2).toString()); |
| |
| try { |
| mAlteredCharSequence.subSequence(0, 100); |
| fail("Should throw StringIndexOutOfBoundsException!"); |
| } catch (StringIndexOutOfBoundsException e) { |
| // expected. |
| } |
| } |
| |
| @Test |
| public void testToString() { |
| char[] sub = { 'i', 's' }; |
| CharSequence source = SOURCE_STR; |
| mAlteredCharSequence = AlteredCharSequence.make(source, sub, 0, sub.length); |
| assertNotNull(mAlteredCharSequence.toString()); |
| } |
| |
| class MockSpanned implements Spanned { |
| public MockSpanned(String sequence) { |
| } |
| |
| public int getSpanEnd(Object tag) { |
| return 0; |
| } |
| |
| public int getSpanFlags(Object tag) { |
| return 0; |
| } |
| |
| public int getSpanStart(Object tag) { |
| return 0; |
| } |
| |
| public <T> T[] getSpans(int start, int end, Class<T> type) { |
| return null; |
| } |
| |
| public int nextSpanTransition(int start, int limit, Class type) { |
| return 0; |
| } |
| |
| public char charAt(int index) { |
| return 0; |
| } |
| |
| public int length() { |
| return 0; |
| } |
| |
| public CharSequence subSequence(int start, int end) { |
| return null; |
| } |
| } |
| } |
| |