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/*
* 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.collect;
import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.collect.Table.Cell;
import com.google.common.testing.CollectorTester;
import com.google.common.testing.EqualsTester;
import com.google.common.testing.SerializableTester;
import java.util.stream.Collector;
import junit.framework.TestCase;
/**
* Tests for {@link Tables}.
*
* @author Jared Levy
*/
@GwtCompatible(emulated = true)
public class TablesTest extends TestCase {
// The bulk of the toTable tests can be found in TableCollectorsTest.
// This gives minimal coverage to the forwarding functions
public void testToTableSanityTest() {
Collector<Cell<String, String, Integer>, ?, Table<String, String, Integer>> collector =
Tables.toTable(Cell::getRowKey, Cell::getColumnKey, Cell::getValue, HashBasedTable::create);
HashBasedTable<String, String, Integer> expected = HashBasedTable.create();
expected.put("one", "uno", 1);
CollectorTester.of(collector)
.expectCollects(HashBasedTable.create())
.expectCollects(expected, Tables.immutableCell("one", "uno", 1));
}
public void testToTableMergingSanityTest() {
Collector<Cell<String, String, Integer>, ?, Table<String, String, Integer>> collector =
Tables.toTable(
Cell::getRowKey,
Cell::getColumnKey,
Cell::getValue,
Integer::sum,
HashBasedTable::create);
HashBasedTable<String, String, Integer> expected = HashBasedTable.create();
expected.put("one", "uno", 3);
CollectorTester.of(collector)
.expectCollects(HashBasedTable.create())
.expectCollects(
expected, Tables.immutableCell("one", "uno", 1), Tables.immutableCell("one", "uno", 2));
}
@GwtIncompatible // SerializableTester
public void testImmutableEntrySerialization() {
Cell<String, Integer, Character> entry = Tables.immutableCell("foo", 1, 'a');
SerializableTester.reserializeAndAssert(entry);
}
public void testImmutableEntryToString() {
Cell<String, Integer, Character> entry = Tables.immutableCell("foo", 1, 'a');
assertEquals("(foo,1)=a", entry.toString());
Cell<String, Integer, Character> nullEntry = Tables.immutableCell(null, null, null);
assertEquals("(null,null)=null", nullEntry.toString());
}
public void testEntryEquals() {
Cell<String, Integer, Character> entry = Tables.immutableCell("foo", 1, 'a');
new EqualsTester()
.addEqualityGroup(entry, Tables.immutableCell("foo", 1, 'a'))
.addEqualityGroup(Tables.immutableCell("bar", 1, 'a'))
.addEqualityGroup(Tables.immutableCell("foo", 2, 'a'))
.addEqualityGroup(Tables.immutableCell("foo", 1, 'b'))
.addEqualityGroup(Tables.immutableCell(null, null, null))
.testEquals();
}
public void testEntryEqualsNull() {
Cell<String, Integer, Character> entry = Tables.immutableCell(null, null, null);
new EqualsTester()
.addEqualityGroup(entry, Tables.immutableCell(null, null, null))
.addEqualityGroup(Tables.immutableCell("bar", null, null))
.addEqualityGroup(Tables.immutableCell(null, 2, null))
.addEqualityGroup(Tables.immutableCell(null, null, 'b'))
.addEqualityGroup(Tables.immutableCell("foo", 1, 'a'))
.testEquals();
}
}
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