1 /* 2 * Copyright (C) 2008 The Guava Authors 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.google.common.collect; 18 19 import com.google.common.annotations.GwtCompatible; 20 21 /** 22 * Test cases for {@link Tables#transpose}. 23 * 24 * @author Jared Levy 25 */ 26 @GwtCompatible 27 public class TransposedTableTest extends AbstractTableTest { 28 29 @Override protected Table<String, Integer, Character> create( 30 Object... data) { 31 Table<Integer, String, Character> original = HashBasedTable.create(); 32 Table<String, Integer, Character> table = Tables.transpose(original); 33 table.clear(); 34 populate(table, data); 35 return table; 36 } 37 38 public void testTransposeTransposed() { 39 Table<Integer, String, Character> original = HashBasedTable.create(); 40 assertSame(original, Tables.transpose(Tables.transpose(original))); 41 } 42 43 public void testPutOriginalModifiesTranspose() { 44 Table<Integer, String, Character> original = HashBasedTable.create(); 45 Table<String, Integer, Character> transpose = Tables.transpose(original); 46 original.put(1, "foo", 'a'); 47 assertEquals((Character) 'a', transpose.get("foo", 1)); 48 } 49 50 public void testPutTransposeModifiesOriginal() { 51 Table<Integer, String, Character> original = HashBasedTable.create(); 52 Table<String, Integer, Character> transpose = Tables.transpose(original); 53 transpose.put("foo", 1, 'a'); 54 assertEquals((Character) 'a', original.get(1, "foo")); 55 } 56 57 public void testTransposedViews() { 58 Table<Integer, String, Character> original = HashBasedTable.create(); 59 Table<String, Integer, Character> transpose = Tables.transpose(original); 60 original.put(1, "foo", 'a'); 61 assertSame(original.columnKeySet(), transpose.rowKeySet()); 62 assertSame(original.rowKeySet(), transpose.columnKeySet()); 63 assertSame(original.columnMap(), transpose.rowMap()); 64 assertSame(original.rowMap(), transpose.columnMap()); 65 assertSame(original.values(), transpose.values()); 66 assertEquals(original.row(1), transpose.column(1)); 67 assertEquals(original.row(2), transpose.column(2)); 68 assertEquals(original.column("foo"), transpose.row("foo")); 69 assertEquals(original.column("bar"), transpose.row("bar")); 70 } 71 } 72
