102 lines
3.9 KiB
Java
102 lines
3.9 KiB
Java
/*
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* Copyright (C) 2008 The Guava Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.common.collect;
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import com.google.common.annotations.GwtCompatible;
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import com.google.common.annotations.GwtIncompatible;
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import com.google.common.collect.Table.Cell;
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import com.google.common.testing.CollectorTester;
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import com.google.common.testing.EqualsTester;
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import com.google.common.testing.SerializableTester;
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import java.util.stream.Collector;
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import junit.framework.TestCase;
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/**
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* Tests for {@link Tables}.
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*
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* @author Jared Levy
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*/
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@GwtCompatible(emulated = true)
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public class TablesTest extends TestCase {
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// The bulk of the toTable tests can be found in TableCollectorsTest.
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// This gives minimal coverage to the forwarding functions
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public void testToTableSanityTest() {
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Collector<Cell<String, String, Integer>, ?, Table<String, String, Integer>> collector =
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Tables.toTable(Cell::getRowKey, Cell::getColumnKey, Cell::getValue, HashBasedTable::create);
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HashBasedTable<String, String, Integer> expected = HashBasedTable.create();
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expected.put("one", "uno", 1);
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CollectorTester.of(collector)
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.expectCollects(HashBasedTable.create())
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.expectCollects(expected, Tables.immutableCell("one", "uno", 1));
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}
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public void testToTableMergingSanityTest() {
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Collector<Cell<String, String, Integer>, ?, Table<String, String, Integer>> collector =
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Tables.toTable(
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Cell::getRowKey,
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Cell::getColumnKey,
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Cell::getValue,
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Integer::sum,
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HashBasedTable::create);
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HashBasedTable<String, String, Integer> expected = HashBasedTable.create();
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expected.put("one", "uno", 3);
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CollectorTester.of(collector)
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.expectCollects(HashBasedTable.create())
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.expectCollects(
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expected, Tables.immutableCell("one", "uno", 1), Tables.immutableCell("one", "uno", 2));
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}
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@GwtIncompatible // SerializableTester
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public void testImmutableEntrySerialization() {
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Cell<String, Integer, Character> entry = Tables.immutableCell("foo", 1, 'a');
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SerializableTester.reserializeAndAssert(entry);
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}
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public void testImmutableEntryToString() {
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Cell<String, Integer, Character> entry = Tables.immutableCell("foo", 1, 'a');
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assertEquals("(foo,1)=a", entry.toString());
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Cell<String, Integer, Character> nullEntry = Tables.immutableCell(null, null, null);
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assertEquals("(null,null)=null", nullEntry.toString());
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}
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public void testEntryEquals() {
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Cell<String, Integer, Character> entry = Tables.immutableCell("foo", 1, 'a');
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new EqualsTester()
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.addEqualityGroup(entry, Tables.immutableCell("foo", 1, 'a'))
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.addEqualityGroup(Tables.immutableCell("bar", 1, 'a'))
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.addEqualityGroup(Tables.immutableCell("foo", 2, 'a'))
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.addEqualityGroup(Tables.immutableCell("foo", 1, 'b'))
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.addEqualityGroup(Tables.immutableCell(null, null, null))
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.testEquals();
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}
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public void testEntryEqualsNull() {
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Cell<String, Integer, Character> entry = Tables.immutableCell(null, null, null);
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new EqualsTester()
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.addEqualityGroup(entry, Tables.immutableCell(null, null, null))
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.addEqualityGroup(Tables.immutableCell("bar", null, null))
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.addEqualityGroup(Tables.immutableCell(null, 2, null))
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.addEqualityGroup(Tables.immutableCell(null, null, 'b'))
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.addEqualityGroup(Tables.immutableCell("foo", 1, 'a'))
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.testEquals();
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}
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}
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