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Diffstat (limited to 'java/src/test/java/com/google/protobuf/FloatArrayListTest.java')
| -rw-r--r-- | java/src/test/java/com/google/protobuf/FloatArrayListTest.java | 473 |
1 files changed, 473 insertions, 0 deletions
diff --git a/java/src/test/java/com/google/protobuf/FloatArrayListTest.java b/java/src/test/java/com/google/protobuf/FloatArrayListTest.java new file mode 100644 index 00000000..8f3e93dc --- /dev/null +++ b/java/src/test/java/com/google/protobuf/FloatArrayListTest.java @@ -0,0 +1,473 @@ +// 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 junit.framework.TestCase; + +import java.util.Collections; +import java.util.ConcurrentModificationException; +import java.util.Iterator; + +/** + * Tests for {@link FloatArrayList}. + * + * @author dweis@google.com (Daniel Weis) + */ +public class FloatArrayListTest extends TestCase { + + private static final FloatArrayList UNARY_LIST = newImmutableFloatArrayList(1); + private static final FloatArrayList TERTIARY_LIST = + newImmutableFloatArrayList(1, 2, 3); + + private FloatArrayList list; + + @Override + protected void setUp() throws Exception { + list = new FloatArrayList(); + } + + public void testEmptyListReturnsSameInstance() { + assertSame(FloatArrayList.emptyList(), FloatArrayList.emptyList()); + } + + public void testEmptyListIsImmutable() { + assertImmutable(FloatArrayList.emptyList()); + } + + public void testMakeImmutable() { + list.addFloat(2); + list.addFloat(4); + list.addFloat(6); + list.addFloat(8); + list.makeImmutable(); + assertImmutable(list); + } + + public void testCopyConstructor() { + FloatArrayList copy = new FloatArrayList(TERTIARY_LIST); + assertEquals(TERTIARY_LIST, copy); + + copy = new FloatArrayList(FloatArrayList.emptyList()); + assertEquals(FloatArrayList.emptyList(), copy); + + copy = new FloatArrayList(asList(1F, 2F, 3F)); + assertEquals(asList(1F, 2F, 3F), copy); + + copy = new FloatArrayList(Collections.<Float>emptyList()); + assertEquals(FloatArrayList.emptyList(), copy); + } + + public void testModificationWithIteration() { + list.addAll(asList(1F, 2F, 3F, 4F)); + Iterator<Float> iterator = list.iterator(); + assertEquals(4, list.size()); + assertEquals(1F, (float) list.get(0)); + assertEquals(1F, (float) iterator.next()); + list.set(0, 1F); + assertEquals(2F, (float) iterator.next()); + + list.remove(0); + try { + iterator.next(); + fail(); + } catch (ConcurrentModificationException e) { + // expected + } + + iterator = list.iterator(); + list.add(0, 0F); + try { + iterator.next(); + fail(); + } catch (ConcurrentModificationException e) { + // expected + } + } + + public void testGet() { + assertEquals(1F, (float) TERTIARY_LIST.get(0)); + assertEquals(2F, (float) TERTIARY_LIST.get(1)); + assertEquals(3F, (float) TERTIARY_LIST.get(2)); + + try { + TERTIARY_LIST.get(-1); + fail(); + } catch (IndexOutOfBoundsException e) { + // expected + } + + try { + TERTIARY_LIST.get(3); + fail(); + } catch (IndexOutOfBoundsException e) { + // expected + } + } + + public void testGetFloat() { + assertEquals(1F, TERTIARY_LIST.getFloat(0)); + assertEquals(2F, TERTIARY_LIST.getFloat(1)); + assertEquals(3F, TERTIARY_LIST.getFloat(2)); + + try { + TERTIARY_LIST.get(-1); + fail(); + } catch (IndexOutOfBoundsException e) { + // expected + } + + try { + TERTIARY_LIST.get(3); + fail(); + } catch (IndexOutOfBoundsException e) { + // expected + } + } + + public void testSize() { + assertEquals(0, FloatArrayList.emptyList().size()); + assertEquals(1, UNARY_LIST.size()); + assertEquals(3, TERTIARY_LIST.size()); + + list.addFloat(2); + list.addFloat(4); + list.addFloat(6); + list.addFloat(8); + assertEquals(4, list.size()); + + list.remove(0); + assertEquals(3, list.size()); + + list.add(16F); + assertEquals(4, list.size()); + } + + public void testSet() { + list.addFloat(2); + list.addFloat(4); + + assertEquals(2F, (float) list.set(0, 0F)); + assertEquals(0F, list.getFloat(0)); + + assertEquals(4F, (float) list.set(1, 0F)); + assertEquals(0F, list.getFloat(1)); + + try { + list.set(-1, 0F); + fail(); + } catch (IndexOutOfBoundsException e) { + // expected + } + + try { + list.set(2, 0F); + fail(); + } catch (IndexOutOfBoundsException e) { + // expected + } + } + + public void testSetFloat() { + list.addFloat(2); + list.addFloat(4); + + assertEquals(2F, list.setFloat(0, 0)); + assertEquals(0F, list.getFloat(0)); + + assertEquals(4F, list.setFloat(1, 0)); + assertEquals(0F, list.getFloat(1)); + + try { + list.setFloat(-1, 0); + fail(); + } catch (IndexOutOfBoundsException e) { + // expected + } + + try { + list.setFloat(2, 0); + fail(); + } catch (IndexOutOfBoundsException e) { + // expected + } + } + + public void testAdd() { + assertEquals(0, list.size()); + + assertTrue(list.add(2F)); + assertEquals(asList(2F), list); + + assertTrue(list.add(3F)); + list.add(0, 4F); + assertEquals(asList(4F, 2F, 3F), list); + + list.add(0, 1F); + list.add(0, 0F); + // Force a resize by getting up to 11 elements. + for (int i = 0; i < 6; i++) { + list.add(Float.valueOf(5 + i)); + } + assertEquals(asList(0F, 1F, 4F, 2F, 3F, 5F, 6F, 7F, 8F, 9F, 10F), list); + + try { + list.add(-1, 5F); + } catch (IndexOutOfBoundsException e) { + // expected + } + + try { + list.add(4, 5F); + } catch (IndexOutOfBoundsException e) { + // expected + } + } + + public void testAddFloat() { + assertEquals(0, list.size()); + + list.addFloat(2); + assertEquals(asList(2F), list); + + list.addFloat(3); + assertEquals(asList(2F, 3F), list); + } + + public void testAddAll() { + assertEquals(0, list.size()); + + assertTrue(list.addAll(Collections.singleton(1F))); + assertEquals(1, list.size()); + assertEquals(1F, (float) list.get(0)); + assertEquals(1F, list.getFloat(0)); + + assertTrue(list.addAll(asList(2F, 3F, 4F, 5F, 6F))); + assertEquals(asList(1F, 2F, 3F, 4F, 5F, 6F), list); + + assertTrue(list.addAll(TERTIARY_LIST)); + assertEquals(asList(1F, 2F, 3F, 4F, 5F, 6F, 1F, 2F, 3F), list); + + assertFalse(list.addAll(Collections.<Float>emptyList())); + assertFalse(list.addAll(FloatArrayList.emptyList())); + } + + public void testRemove() { + list.addAll(TERTIARY_LIST); + assertEquals(1F, (float) list.remove(0)); + assertEquals(asList(2F, 3F), list); + + assertTrue(list.remove(Float.valueOf(3))); + assertEquals(asList(2F), list); + + assertFalse(list.remove(Float.valueOf(3))); + assertEquals(asList(2F), list); + + assertEquals(2F, (float) list.remove(0)); + assertEquals(asList(), list); + + try { + list.remove(-1); + fail(); + } catch (IndexOutOfBoundsException e) { + // expected + } + + try { + list.remove(0); + } catch (IndexOutOfBoundsException e) { + // expected + } + } + + private void assertImmutable(FloatArrayList list) { + if (list.contains(1)) { + throw new RuntimeException("Cannot test the immutability of lists that contain 1."); + } + + try { + list.add(1F); + fail(); + } catch (UnsupportedOperationException e) { + // expected + } + + try { + list.add(0, 1F); + fail(); + } catch (UnsupportedOperationException e) { + // expected + } + + try { + list.addAll(Collections.<Float>emptyList()); + fail(); + } catch (UnsupportedOperationException e) { + // expected + } + + try { + list.addAll(Collections.singletonList(1F)); + fail(); + } catch (UnsupportedOperationException e) { + // expected + } + + try { + list.addAll(new FloatArrayList()); + fail(); + } catch (UnsupportedOperationException e) { + // expected + } + + try { + list.addAll(UNARY_LIST); + fail(); + } catch (UnsupportedOperationException e) { + // expected + } + + try { + list.addAll(0, Collections.singleton(1F)); + fail(); + } catch (UnsupportedOperationException e) { + // expected + } + + try { + list.addAll(0, UNARY_LIST); + fail(); + } catch (UnsupportedOperationException e) { + // expected + } + + try { + list.addAll(0, Collections.<Float>emptyList()); + fail(); + } catch (UnsupportedOperationException e) { + // expected + } + + try { + list.addFloat(0); + 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.<Float>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.<Float>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, 0F); + fail(); + } catch (UnsupportedOperationException e) { + // expected + } + + try { + list.setFloat(0, 0); + fail(); + } catch (UnsupportedOperationException e) { + // expected + } + } + + private static FloatArrayList newImmutableFloatArrayList(int... elements) { + FloatArrayList list = new FloatArrayList(); + for (int element : elements) { + list.addFloat(element); + } + list.makeImmutable(); + return list; + } +} |