/java/core/src/test/java/com/google/protobuf/UnmodifiableLazyStringListTest.java
Java | 227 lines | 157 code | 22 blank | 48 comment | 4 complexity | e34a9877a7e0885aab296decd5de9677 MD5 | raw file
- // Protocol Buffers - Google's data interchange format
- // Copyright 2008 Google Inc. All rights reserved.
- // https://developers.google.com/protocol-buffers/
- //
- // Redistribution and use in source and binary forms, with or without
- // modification, are permitted provided that the following conditions are
- // met:
- //
- // * Redistributions of source code must retain the above copyright
- // notice, this list of conditions and the following disclaimer.
- // * Redistributions in binary form must reproduce the above
- // copyright notice, this list of conditions and the following disclaimer
- // in the documentation and/or other materials provided with the
- // distribution.
- // * Neither the name of Google Inc. nor the names of its
- // contributors may be used to endorse or promote products derived from
- // this software without specific prior written permission.
- //
- // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- package com.google.protobuf;
- import junit.framework.TestCase;
- import java.util.Iterator;
- import java.util.List;
- import java.util.ListIterator;
- /**
- * Tests for {@link UnmodifiableLazyStringList}.
- *
- * @author jonp@google.com (Jon Perlow)
- */
- public class UnmodifiableLazyStringListTest extends TestCase {
- private static String STRING_A = "A";
- private static String STRING_B = "B";
- private static String STRING_C = "C";
- private static ByteString BYTE_STRING_A = ByteString.copyFromUtf8("A");
- private static ByteString BYTE_STRING_B = ByteString.copyFromUtf8("B");
- private static ByteString BYTE_STRING_C = ByteString.copyFromUtf8("C");
- public void testReadOnlyMethods() {
- LazyStringArrayList rawList = createSampleList();
- UnmodifiableLazyStringList list = new UnmodifiableLazyStringList(rawList);
- assertEquals(3, list.size());
- assertSame(STRING_A, list.get(0));
- assertSame(STRING_B, list.get(1));
- assertSame(STRING_C, list.get(2));
- assertEquals(BYTE_STRING_A, list.getByteString(0));
- assertEquals(BYTE_STRING_B, list.getByteString(1));
- assertEquals(BYTE_STRING_C, list.getByteString(2));
- List<ByteString> byteStringList = list.asByteStringList();
- assertSame(list.getByteString(0), byteStringList.get(0));
- assertSame(list.getByteString(1), byteStringList.get(1));
- assertSame(list.getByteString(2), byteStringList.get(2));
- }
- public void testModifyMethods() {
- LazyStringArrayList rawList = createSampleList();
- UnmodifiableLazyStringList list = new UnmodifiableLazyStringList(rawList);
- try {
- list.remove(0);
- fail();
- } catch (UnsupportedOperationException e) {
- // expected
- }
- assertEquals(3, list.size());
- try {
- list.add(STRING_B);
- fail();
- } catch (UnsupportedOperationException e) {
- // expected
- }
- assertEquals(3, list.size());
- try {
- list.set(1, STRING_B);
- fail();
- } catch (UnsupportedOperationException e) {
- // expected
- }
- assertEquals(3, list.size());
- List<ByteString> byteStringList = list.asByteStringList();
- try {
- byteStringList.remove(0);
- fail();
- } catch (UnsupportedOperationException e) {
- // expected
- }
- assertEquals(3, list.size());
- assertEquals(3, byteStringList.size());
- try {
- byteStringList.add(BYTE_STRING_B);
- fail();
- } catch (UnsupportedOperationException e) {
- // expected
- }
- assertEquals(3, list.size());
- assertEquals(3, byteStringList.size());
- try {
- byteStringList.set(1, BYTE_STRING_B);
- fail();
- } catch (UnsupportedOperationException e) {
- // expected
- }
- assertEquals(3, list.size());
- assertEquals(3, byteStringList.size());
- }
- public void testIterator() {
- LazyStringArrayList rawList = createSampleList();
- UnmodifiableLazyStringList list = new UnmodifiableLazyStringList(rawList);
- Iterator<String> iter = list.iterator();
- int count = 0;
- while (iter.hasNext()) {
- iter.next();
- count++;
- try {
- iter.remove();
- fail();
- } catch (UnsupportedOperationException e) {
- // expected
- }
- }
- assertEquals(3, count);
- List<ByteString> byteStringList = list.asByteStringList();
- Iterator<ByteString> byteIter = byteStringList.iterator();
- count = 0;
- while (byteIter.hasNext()) {
- byteIter.next();
- count++;
- try {
- byteIter.remove();
- fail();
- } catch (UnsupportedOperationException e) {
- // expected
- }
- }
- assertEquals(3, count);
- }
- public void testListIterator() {
- LazyStringArrayList rawList = createSampleList();
- UnmodifiableLazyStringList list = new UnmodifiableLazyStringList(rawList);
- ListIterator<String> iter = list.listIterator();
- int count = 0;
- while (iter.hasNext()) {
- iter.next();
- count++;
- try {
- iter.remove();
- fail();
- } catch (UnsupportedOperationException e) {
- // expected
- }
- try {
- iter.set("bar");
- fail();
- } catch (UnsupportedOperationException e) {
- // expected
- }
- try {
- iter.add("bar");
- fail();
- } catch (UnsupportedOperationException e) {
- // expected
- }
- }
- assertEquals(3, count);
- List<ByteString> byteStringList = list.asByteStringList();
- ListIterator<ByteString> byteIter = byteStringList.listIterator();
- count = 0;
- while (byteIter.hasNext()) {
- byteIter.next();
- count++;
- try {
- byteIter.remove();
- fail();
- } catch (UnsupportedOperationException e) {
- // expected
- }
- try {
- byteIter.set(BYTE_STRING_A);
- fail();
- } catch (UnsupportedOperationException e) {
- // expected
- }
- try {
- byteIter.add(BYTE_STRING_A);
- fail();
- } catch (UnsupportedOperationException e) {
- // expected
- }
- }
- assertEquals(3, count);
- }
- private LazyStringArrayList createSampleList() {
- LazyStringArrayList rawList = new LazyStringArrayList();
- rawList.add(STRING_A);
- rawList.add(STRING_B);
- rawList.add(STRING_C);
- return rawList;
- }
- }