samples/apifest1/day1/pinbasedsolution/test/org/netbeans/apifest/boolcircuit/CircuitTest.java
Adding samples from API fest to the repository, including pieces of their code in the document, not just links
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20 package org.netbeans.apifest.boolcircuit;
22 import java.security.CodeSource;
23 import java.security.Permission;
24 import java.security.PermissionCollection;
25 import java.security.Policy;
26 import java.util.Collection;
27 import java.util.Collections;
28 import java.util.Enumeration;
29 import junit.framework.TestCase;
30 import junit.framework.*;
32 /** The initial quest for this APIFest is to create an API for boolean
33 * circuits. Such API shall be able to compose a boolean circuit from
34 * basic elements and evaluate the result given initial values for
37 * The basic elements include:
39 * <li>negation - has one input and one output and changes 0 on input to
40 * on output 1 and 1 to 0
41 * <li>and - has two inputs and one output. The output is 1 only if both
42 * inputs are 1, otherwise it is 0
43 * <li>or - has two inputs and one output. The output is 1 always, except
44 * in the case when both inputs are 0
48 * The boolean circuit can be used to represent boolean formulas and compute
49 * the results for certain values of its inputs. The individual tasks described
55 * <li><a href="http://en.wikipedia.org/wiki/Truth_table">Truth table</a>
56 * <li><a href="http://en.wikipedia.org/wiki/Tautology_(logic)">Taugology</a>
59 public class CircuitTest extends TestCase {
61 // your code shall run without any permissions
64 public CircuitTest(String testName) {
68 protected void setUp() throws Exception {
71 protected void tearDown() throws Exception {
75 // BEGIN: apifest.day1.pinbasedsolution.CircuitTest
77 * Create a circuit to evaluate x1 and x2 and then
78 * verify that its result is false for input (false, true) and
79 * it is true for input (true, true).
81 public void testX1andX2() throws Exception {
82 Circuit c = Circuit.construct(
84 Element.createInput(0),
85 Element.createInput(1)
89 assertFalse ("false AND true is false", c.evaluate(false, true));
90 assertTrue ("true AND true is true", c.evaluate(true, true));
94 * Create a circuit to evaluate (x1 and x2) or x3 and then
95 * verify that its result is false for input (false, true, false) and
96 * it is true for input (false, false, true).
98 public void testX1andX2orX3() throws Exception {
99 Circuit c = Circuit.construct(
102 Element.createInput(0),
103 Element.createInput(1)
105 Element.createInput(2)
109 assertFalse ("(false AND true) OR false is false", c.evaluate(false, true, false));
110 assertTrue ("(false AND false) OR true is true", c.evaluate(false, false, true));
114 * Create a circuit to evaluate (x1 or not(x1)) and then
115 * verify that its result is true for all values of x1.
117 public void testAlwaysTrue() throws Exception {
118 Circuit c = Circuit.construct(
120 Element.createInput(0),
121 Element.createNot(Element.createInput(0))
125 assertTrue ("tautology is true", c.evaluate(false));
126 assertTrue ("tautology is true", c.evaluate(true));
128 // END: apifest.day1.pinbasedsolution.CircuitTest