/testability-explorer/src/test/java/com/google/test/metric/method/op/stack/SwapTest.java

 1/*
 2 * Copyright 2007 Google Inc.
 3 *
 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 5 * use this file except in compliance with the License. You may obtain a copy of
 6 * 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, WITHOUT
12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13 * License for the specific language governing permissions and limitations under
14 * the License.
15 */
16package com.google.test.metric.method.op.stack;
17
18import java.util.ArrayList;
19import java.util.List;
20
21import junit.framework.TestCase;
22
23import com.google.test.metric.JavaType;
24import com.google.test.metric.Variable;
25
26public class SwapTest extends TestCase {
27
28  public void testOperatorCountIs2() throws Exception {
29    assertEquals(2, new Swap(-1).getOperatorCount());
30  }
31
32  public void testApplySwaps() throws Exception {
33    Swap swap = new Swap(-1);
34    Variable first = new Variable(null, JavaType.BOOLEAN, false, false);
35    Variable second = new Variable(null, JavaType.BOOLEAN, false, false);
36    List<Variable> inputs = new ArrayList<Variable>();
37    inputs.add(first);
38    inputs.add(second);
39    List<Variable> output = swap.apply(inputs);
40    assertSame(second, output.get(0));
41    assertSame(first, output.get(1));
42  }
43
44  public void testToString() {
45    assertEquals("swap", new Swap(-1).toString());
46  }
47
48}