| /* |
| * Copyright (C) 2009 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.collect; |
| |
| import com.google.common.annotations.GwtCompatible; |
| import com.google.common.testing.EqualsTester; |
| |
| /** |
| * Tests {@link EmptyImmutableTable} |
| * |
| * @author Gregory Kick |
| */ |
| @GwtCompatible(emulated = true) |
| public class EmptyImmutableTableTest extends AbstractImmutableTableTest { |
| private static final ImmutableTable<Character, Integer, String> INSTANCE = ImmutableTable.of(); |
| |
| @Override Iterable<ImmutableTable<Character, Integer, String>> getTestInstances() { |
| return ImmutableSet.of(INSTANCE); |
| } |
| |
| public void testHashCode() { |
| assertEquals(0, INSTANCE.hashCode()); |
| } |
| |
| public void testEqualsObject() { |
| Table<Character, Integer, String> nonEmptyTable = HashBasedTable.create(); |
| nonEmptyTable.put('A', 1, "blah"); |
| |
| new EqualsTester() |
| .addEqualityGroup(INSTANCE, HashBasedTable.create(), TreeBasedTable.create()) |
| .addEqualityGroup(nonEmptyTable) |
| .testEquals(); |
| } |
| |
| public void testToString() { |
| assertEquals("{}", INSTANCE.toString()); |
| } |
| |
| public void testSize() { |
| assertEquals(0, INSTANCE.size()); |
| } |
| |
| public void testGet() { |
| assertNull(INSTANCE.get('a', 1)); |
| } |
| |
| public void testIsEmpty() { |
| assertTrue(INSTANCE.isEmpty()); |
| } |
| |
| public void testCellSet() { |
| assertEquals(ImmutableSet.of(), INSTANCE.cellSet()); |
| } |
| |
| public void testColumn() { |
| assertEquals(ImmutableMap.of(), INSTANCE.column(1)); |
| } |
| |
| public void testColumnKeySet() { |
| assertEquals(ImmutableSet.of(), INSTANCE.columnKeySet()); |
| } |
| |
| public void testColumnMap() { |
| assertEquals(ImmutableMap.of(), INSTANCE.columnMap()); |
| } |
| |
| public void testContains() { |
| assertFalse(INSTANCE.contains('a', 1)); |
| } |
| |
| public void testContainsColumn() { |
| assertFalse(INSTANCE.containsColumn(1)); |
| } |
| |
| public void testContainsRow() { |
| assertFalse(INSTANCE.containsRow('a')); |
| } |
| |
| public void testContainsValue() { |
| assertFalse(INSTANCE.containsValue("blah")); |
| } |
| |
| public void testRow() { |
| assertEquals(ImmutableMap.of(), INSTANCE.row('a')); |
| } |
| |
| public void testRowKeySet() { |
| assertEquals(ImmutableSet.of(), INSTANCE.rowKeySet()); |
| } |
| |
| public void testRowMap() { |
| assertEquals(ImmutableMap.of(), INSTANCE.rowMap()); |
| } |
| |
| public void testValues() { |
| assertTrue(INSTANCE.values().isEmpty()); |
| } |
| } |
| |