diff options
Diffstat (limited to 'third_party/protobuf/3.6.0/java/core/src/test/java/com/google/protobuf/ProtobufArrayListTest.java')
-rw-r--r-- | third_party/protobuf/3.6.0/java/core/src/test/java/com/google/protobuf/ProtobufArrayListTest.java | 288 |
1 files changed, 288 insertions, 0 deletions
diff --git a/third_party/protobuf/3.6.0/java/core/src/test/java/com/google/protobuf/ProtobufArrayListTest.java b/third_party/protobuf/3.6.0/java/core/src/test/java/com/google/protobuf/ProtobufArrayListTest.java new file mode 100644 index 0000000000..af717bfd20 --- /dev/null +++ b/third_party/protobuf/3.6.0/java/core/src/test/java/com/google/protobuf/ProtobufArrayListTest.java @@ -0,0 +1,288 @@ +// 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 static java.util.Arrays.asList; + +import java.util.Collections; +import java.util.ConcurrentModificationException; +import java.util.Iterator; +import java.util.List; +import junit.framework.TestCase; + +/** + * Tests for {@link ProtobufArrayList}. + */ +public class ProtobufArrayListTest extends TestCase { + + private static final ProtobufArrayList<Integer> UNARY_LIST = newImmutableProtoArrayList(1); + private static final ProtobufArrayList<Integer> TERTIARY_LIST = + newImmutableProtoArrayList(1, 2, 3); + + private ProtobufArrayList<Integer> list; + + @Override + protected void setUp() throws Exception { + list = new ProtobufArrayList<Integer>(); + } + + public void testEmptyListReturnsSameInstance() { + assertSame(ProtobufArrayList.emptyList(), ProtobufArrayList.emptyList()); + } + + public void testEmptyListIsImmutable() { + assertImmutable(ProtobufArrayList.<Integer>emptyList()); + } + + public void testModificationWithIteration() { + list.addAll(asList(1, 2, 3, 4)); + Iterator<Integer> iterator = list.iterator(); + assertEquals(4, list.size()); + assertEquals(1, (int) list.get(0)); + assertEquals(1, (int) iterator.next()); + + list.remove(0); + try { + iterator.next(); + fail(); + } catch (ConcurrentModificationException e) { + // expected + } + + iterator = list.iterator(); + list.set(0, 1); + try { + iterator.next(); + fail(); + } catch (ConcurrentModificationException e) { + // expected + } + + iterator = list.iterator(); + list.add(0, 0); + try { + iterator.next(); + fail(); + } catch (ConcurrentModificationException e) { + // expected + } + } + + public void testMakeImmutable() { + list.add(2); + list.add(4); + list.add(6); + list.add(8); + list.makeImmutable(); + assertImmutable(list); + } + + public void testRemove() { + list.add(2); + list.add(4); + list.add(6); + + list.remove(1); + assertEquals(asList(2, 6), list); + + list.remove(1); + assertEquals(asList(2), list); + + list.remove(0); + assertEquals(asList(), list); + } + + public void testGet() { + list.add(2); + list.add(6); + + assertEquals(2, (int) list.get(0)); + assertEquals(6, (int) list.get(1)); + } + + public void testSet() { + list.add(2); + list.add(6); + + list.set(0, 1); + assertEquals(1, (int) list.get(0)); + list.set(1, 2); + assertEquals(2, (int) list.get(1)); + } + + private void assertImmutable(List<Integer> list) { + if (list.contains(1)) { + throw new RuntimeException("Cannot test the immutability of lists that contain 1."); + } + + try { + list.add(1); + fail(); + } catch (UnsupportedOperationException e) { + // expected + } + + try { + list.add(0, 1); + fail(); + } catch (UnsupportedOperationException e) { + // expected + } + + try { + list.addAll(Collections.<Integer>emptyList()); + fail(); + } catch (UnsupportedOperationException e) { + // expected + } + + try { + list.addAll(Collections.singletonList(1)); + fail(); + } catch (UnsupportedOperationException e) { + // expected + } + + try { + list.addAll(new ProtobufArrayList<Integer>()); + fail(); + } catch (UnsupportedOperationException e) { + // expected + } + + try { + list.addAll(UNARY_LIST); + fail(); + } catch (UnsupportedOperationException e) { + // expected + } + + try { + list.addAll(0, Collections.singleton(1)); + fail(); + } catch (UnsupportedOperationException e) { + // expected + } + + try { + list.addAll(0, UNARY_LIST); + fail(); + } catch (UnsupportedOperationException e) { + // expected + } + + try { + list.addAll(0, Collections.<Integer>emptyList()); + fail(); + } catch (UnsupportedOperationException e) { + // expected + } + + try { + list.clear(); + fail(); + } catch (UnsupportedOperationException e) { + // expected + } + + try { + list.remove(1); + fail(); + } catch (UnsupportedOperationException e) { + // expected + } + + try { + list.remove(new Object()); + fail(); + } catch (UnsupportedOperationException e) { + // expected + } + + try { + list.removeAll(Collections.emptyList()); + fail(); + } catch (UnsupportedOperationException e) { + // expected + } + + try { + list.removeAll(Collections.singleton(1)); + fail(); + } catch (UnsupportedOperationException e) { + // expected + } + + try { + list.removeAll(UNARY_LIST); + fail(); + } catch (UnsupportedOperationException e) { + // expected + } + + try { + list.retainAll(Collections.emptyList()); + fail(); + } catch (UnsupportedOperationException e) { + // expected + } + + try { + list.retainAll(Collections.singleton(1)); + fail(); + } catch (UnsupportedOperationException e) { + // expected + } + + try { + list.retainAll(UNARY_LIST); + fail(); + } catch (UnsupportedOperationException e) { + // expected + } + + try { + list.set(0, 0); + fail(); + } catch (UnsupportedOperationException e) { + // expected + } + } + + private static ProtobufArrayList<Integer> newImmutableProtoArrayList(int... elements) { + ProtobufArrayList<Integer> list = new ProtobufArrayList<Integer>(); + for (int element : elements) { + list.add(element); + } + list.makeImmutable(); + return list; + } +} |