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Diffstat (limited to 'guava-gwt/test-super/com/google/common/primitives/super/com/google/common/primitives/IntArrayAsListTest.java')
-rw-r--r-- | guava-gwt/test-super/com/google/common/primitives/super/com/google/common/primitives/IntArrayAsListTest.java | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/guava-gwt/test-super/com/google/common/primitives/super/com/google/common/primitives/IntArrayAsListTest.java b/guava-gwt/test-super/com/google/common/primitives/super/com/google/common/primitives/IntArrayAsListTest.java new file mode 100644 index 000000000..f54c0e26c --- /dev/null +++ b/guava-gwt/test-super/com/google/common/primitives/super/com/google/common/primitives/IntArrayAsListTest.java @@ -0,0 +1,127 @@ +/* + * Copyright (C) 2008 The Guava Authors + * + * 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.google.common.primitives; + +import static com.google.common.base.Preconditions.checkNotNull; + +import com.google.common.annotations.GwtCompatible; +import com.google.common.collect.testing.SampleElements; +import com.google.common.collect.testing.TestListGenerator; + +import junit.framework.TestCase; + +import java.util.List; + +/** + * Test suite covering {@link Ints#asList(int[])}. + * + * @author Kevin Bourrillion + */ +@GwtCompatible(emulated = true) +@SuppressWarnings("cast") // redundant casts are intentional and harmless +public class IntArrayAsListTest extends TestCase { + + private static List<Integer> asList(Integer[] values) { + int[] temp = new int[values.length]; + for (int i = 0; i < values.length; i++) { + temp[i] = checkNotNull(values[i]); // checkNotNull for GWT (do not optimize). + } + return Ints.asList(temp); + } + + // Test generators. To let the GWT test suite generator access them, they need to be + // public named classes with a public default constructor. + + public static final class IntsAsListGenerator extends TestIntegerListGenerator { + @Override protected List<Integer> create(Integer[] elements) { + return asList(elements); + } + } + + public static final class IntsAsListHeadSubListGenerator extends TestIntegerListGenerator { + @Override protected List<Integer> create(Integer[] elements) { + Integer[] suffix = {Integer.MIN_VALUE, Integer.MAX_VALUE}; + Integer[] all = concat(elements, suffix); + return asList(all).subList(0, elements.length); + } + } + + public static final class IntsAsListTailSubListGenerator extends TestIntegerListGenerator { + @Override protected List<Integer> create(Integer[] elements) { + Integer[] prefix = {(int) 86, (int) 99}; + Integer[] all = concat(prefix, elements); + return asList(all).subList(2, elements.length + 2); + } + } + + public static final class IntsAsListMiddleSubListGenerator extends TestIntegerListGenerator { + @Override protected List<Integer> create(Integer[] elements) { + Integer[] prefix = {Integer.MIN_VALUE, Integer.MAX_VALUE}; + Integer[] suffix = {(int) 86, (int) 99}; + Integer[] all = concat(concat(prefix, elements), suffix); + return asList(all).subList(2, elements.length + 2); + } + } + + private static Integer[] concat(Integer[] left, Integer[] right) { + Integer[] result = new Integer[left.length + right.length]; + System.arraycopy(left, 0, result, 0, left.length); + System.arraycopy(right, 0, result, left.length, right.length); + return result; + } + + public static abstract class TestIntegerListGenerator + implements TestListGenerator<Integer> { + @Override + public SampleElements<Integer> samples() { + return new SampleIntegers(); + } + + @Override + public List<Integer> create(Object... elements) { + Integer[] array = new Integer[elements.length]; + int i = 0; + for (Object e : elements) { + array[i++] = (Integer) e; + } + return create(array); + } + + /** + * Creates a new collection containing the given elements; implement this + * method instead of {@link #create(Object...)}. + */ + protected abstract List<Integer> create(Integer[] elements); + + @Override public Integer[] createArray(int length) { + return new Integer[length]; + } + + /** Returns the original element list, unchanged. */ + @Override + public List<Integer> order(List<Integer> insertionOrder) { + return insertionOrder; + } + } + + public static class SampleIntegers extends SampleElements<Integer> { + public SampleIntegers() { + super((int) 0, (int) 1, (int) 2, (int) 3, (int) 4); + } + } +} + |