72 lines
2.6 KiB
Java
72 lines
2.6 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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/**
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* Test cases for {@link Tables#transpose}.
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*
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* @author Jared Levy
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*/
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@GwtCompatible
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public class TransposedTableTest extends AbstractTableTest {
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@Override
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protected Table<String, Integer, Character> create(Object... data) {
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Table<Integer, String, Character> original = HashBasedTable.create();
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Table<String, Integer, Character> table = Tables.transpose(original);
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table.clear();
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populate(table, data);
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return table;
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}
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public void testTransposeTransposed() {
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Table<Integer, String, Character> original = HashBasedTable.create();
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assertSame(original, Tables.transpose(Tables.transpose(original)));
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}
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public void testPutOriginalModifiesTranspose() {
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Table<Integer, String, Character> original = HashBasedTable.create();
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Table<String, Integer, Character> transpose = Tables.transpose(original);
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original.put(1, "foo", 'a');
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assertEquals((Character) 'a', transpose.get("foo", 1));
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}
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public void testPutTransposeModifiesOriginal() {
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Table<Integer, String, Character> original = HashBasedTable.create();
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Table<String, Integer, Character> transpose = Tables.transpose(original);
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transpose.put("foo", 1, 'a');
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assertEquals((Character) 'a', original.get(1, "foo"));
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}
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public void testTransposedViews() {
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Table<Integer, String, Character> original = HashBasedTable.create();
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Table<String, Integer, Character> transpose = Tables.transpose(original);
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original.put(1, "foo", 'a');
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assertSame(original.columnKeySet(), transpose.rowKeySet());
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assertSame(original.rowKeySet(), transpose.columnKeySet());
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assertSame(original.columnMap(), transpose.rowMap());
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assertSame(original.rowMap(), transpose.columnMap());
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assertSame(original.values(), transpose.values());
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assertEquals(original.row(1), transpose.column(1));
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assertEquals(original.row(2), transpose.column(2));
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assertEquals(original.column("foo"), transpose.row("foo"));
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assertEquals(original.column("bar"), transpose.row("bar"));
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}
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}
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