Source Code Cross Referenced for AnimationFunctionsTest.java in  » Swing-Library » jgoodies-animation » com » jgoodies » animation » tests » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Swing Library » jgoodies animation » com.jgoodies.animation.tests 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Copyright (c) 2001-2006 JGoodies Karsten Lentzsch. All Rights Reserved.
003:         *
004:         * Redistribution and use in source and binary forms, with or without 
005:         * modification, are permitted provided that the following conditions are met:
006:         * 
007:         *  o Redistributions of source code must retain the above copyright notice, 
008:         *    this list of conditions and the following disclaimer. 
009:         *     
010:         *  o Redistributions in binary form must reproduce the above copyright notice, 
011:         *    this list of conditions and the following disclaimer in the documentation 
012:         *    and/or other materials provided with the distribution. 
013:         *     
014:         *  o Neither the name of JGoodies Karsten Lentzsch nor the names of 
015:         *    its contributors may be used to endorse or promote products derived 
016:         *    from this software without specific prior written permission. 
017:         *     
018:         * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
019:         * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 
020:         * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
021:         * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 
022:         * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
023:         * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
024:         * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 
025:         * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
026:         * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 
027:         * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 
028:         * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
029:         */
030:
031:        package com.jgoodies.animation.tests;
032:
033:        import junit.framework.TestCase;
034:
035:        import com.jgoodies.animation.AnimationFunction;
036:        import com.jgoodies.animation.AnimationFunctions;
037:
038:        /**
039:         * A test case for class {@link AnimationFunctions}.
040:         * 
041:         * @author  Karsten Lentzsch
042:         * @version $Revision: 1.6 $
043:         */
044:        public final class AnimationFunctionsTest extends TestCase {
045:
046:            private static Float FLOAT_VALUE1 = new Float(5.12f);
047:            private static Float FLOAT_VALUE2 = new Float(19.67f);
048:            private static Float FLOAT_VALUE3 = new Float(18.5f);
049:            private static Float FLOAT_VALUE4 = new Float(19.80f);
050:
051:            private static float FROM_VALUE = 1.0f;
052:            private static float TO_VALUE = 3.0f;
053:
054:            private static float[] KEY_TIMES = { 0.0f, 0.25f, 0.5f, 0.75f };
055:
056:            private AnimationFunction constant1;
057:            private AnimationFunction constant2;
058:            private AnimationFunction discrete1;
059:            private AnimationFunction discrete2;
060:            private AnimationFunction linear;
061:
062:            protected void setUp() throws Exception {
063:                super .setUp();
064:                constant1 = AnimationFunctions.constant(1000, FLOAT_VALUE1);
065:                constant2 = AnimationFunctions.constant(3000, FLOAT_VALUE2);
066:                discrete1 = AnimationFunctions.discrete(4000,
067:                        new Object[] { FLOAT_VALUE1, FLOAT_VALUE2,
068:                                FLOAT_VALUE3, FLOAT_VALUE4 });
069:                discrete2 = AnimationFunctions.discrete(4000,
070:                        new Object[] { FLOAT_VALUE1, FLOAT_VALUE2,
071:                                FLOAT_VALUE3, FLOAT_VALUE4 }, KEY_TIMES);
072:                linear = AnimationFunctions.fromTo(7000, FROM_VALUE, TO_VALUE);
073:            }
074:
075:            protected void tearDown() throws Exception {
076:                super .tearDown();
077:                constant1 = null;
078:                constant2 = null;
079:                discrete1 = null;
080:                discrete2 = null;
081:                linear = null;
082:            }
083:
084:            /**
085:             * Checks if negative durations throw an IllegalArgumentException.
086:             */
087:            public void testIllegalDuration() {
088:                try {
089:                    AnimationFunctions.constant(-100, new Integer(42));
090:                    fail("Should prevent negative durations.");
091:                } catch (IllegalArgumentException e) {
092:                    // The expected behavior
093:                }
094:            }
095:
096:            /**
097:             * Checks if value request outside the duration throw an IllegalArgumentException.
098:             */
099:            public void testIllegalInterval() {
100:                try {
101:                    constant1.valueAt(-100);
102:                    fail("#valueAt should forbid an invalid time (-100).");
103:                } catch (IllegalArgumentException e) {
104:                    // The expected behavior.
105:                }
106:                try {
107:                    constant1.valueAt(-1);
108:                    fail("#valueAt should forbid an invalid time (-1).");
109:                } catch (IllegalArgumentException e) {
110:                    // The expected behavior.
111:                }
112:                try {
113:                    constant1.valueAt(constant1.duration());
114:                    fail("#valueAt should forbid an invalid time (duration).");
115:                } catch (IllegalArgumentException e) {
116:                    // The expected behavior.
117:                }
118:            }
119:
120:            /**
121:             * Checks that #constant answers an AnimationFunction that in turn
122:             * answers a sole value over the whole time interval.
123:             */
124:            public void testConstant() {
125:                long duration1 = constant1.duration();
126:                long step = duration1 / 10;
127:                for (long time = 0; time < duration1; time += step) {
128:                    assertSame(
129:                            "A constant function should answer a constant value.",
130:                            constant1.valueAt(time), FLOAT_VALUE1);
131:                }
132:            }
133:
134:            /**
135:             * Checks that #concat sums up the durations and answers the related values.
136:             */
137:            public void testConcat() {
138:                AnimationFunction concatenated = AnimationFunctions.concat(
139:                        constant1, constant2);
140:
141:                long duration1 = constant1.duration();
142:                long duration2 = constant2.duration();
143:                long durationSum = duration1 + duration2;
144:
145:                assertEquals("Concat does not sum up the durations.",
146:                        concatenated.duration(), durationSum);
147:
148:                long t0 = 0;
149:                long t1 = duration1;
150:                long t2 = durationSum - 1;
151:
152:                assertSame("concat.valueAt(" + (t0) + ") failed.", concatenated
153:                        .valueAt(t0), FLOAT_VALUE1);
154:
155:                assertSame("concat.valueAt(" + (t1 - 1) + ") failed.",
156:                        concatenated.valueAt(t1 - 1), FLOAT_VALUE1);
157:
158:                assertSame("concat.valueAt(" + (t1) + ") failed.", concatenated
159:                        .valueAt(t1), FLOAT_VALUE2);
160:
161:                assertSame("concat.valueAt(" + (t2) + ") failed.", concatenated
162:                        .valueAt(t2), FLOAT_VALUE2);
163:
164:                try {
165:                    concatenated.valueAt(durationSum);
166:                    fail("concat.valueAt(totalDuration) is illegal.");
167:                } catch (IllegalArgumentException e) {
168:                    // The expected behavior.
169:                }
170:            }
171:
172:            /**
173:             * Checks that a discrete animation function answers the correct values
174:             * over the duration.
175:             */
176:            public void testDiscrete() {
177:                long duration = discrete1.duration();
178:                long intervalLength = duration / 4;
179:                long t0 = 0;
180:                long t1 = 1 * intervalLength;
181:                long t2 = 2 * intervalLength;
182:                long t3 = 3 * intervalLength;
183:                long t4 = duration - 1;
184:
185:                assertSame("discrete(" + t0 + ") failed",
186:                        discrete1.valueAt(t0), FLOAT_VALUE1);
187:
188:                assertSame("discrete(" + (t1 - 1) + ") failed", discrete1
189:                        .valueAt(t1 - 1), FLOAT_VALUE1);
190:
191:                assertSame("discrete(" + t1 + ") failed",
192:                        discrete1.valueAt(t1), FLOAT_VALUE2);
193:
194:                assertSame("discrete(" + (t2 - 1) + ") failed", discrete1
195:                        .valueAt(t2 - 1), FLOAT_VALUE2);
196:
197:                assertSame("discrete(" + t2 + ") failed",
198:                        discrete1.valueAt(t2), FLOAT_VALUE3);
199:
200:                assertSame("discrete(" + (t3 - 1) + ") failed", discrete1
201:                        .valueAt(t3 - 1), FLOAT_VALUE3);
202:
203:                assertSame("discrete(" + t3 + ") failed",
204:                        discrete1.valueAt(t3), FLOAT_VALUE4);
205:
206:                assertSame("discrete(" + (t4) + ") failed", discrete1
207:                        .valueAt(t4), FLOAT_VALUE4);
208:            }
209:
210:            /**
211:             * Checks that a discrete animation function answers the correct values
212:             * over the duration.
213:             */
214:            public void testDiscreteKeyTimes() {
215:                long duration = discrete2.duration();
216:                long t0 = 0;
217:                long t1 = (long) (duration * KEY_TIMES[1]);
218:                long t2 = (long) (duration * KEY_TIMES[2]);
219:                long t3 = (long) (duration * KEY_TIMES[3]);
220:                long t4 = duration - 1;
221:
222:                assertSame("discrete(" + t0 + ") failed",
223:                        discrete1.valueAt(t0), FLOAT_VALUE1);
224:
225:                assertSame("discrete(" + (t1 - 1) + ") failed", discrete1
226:                        .valueAt(t1 - 1), FLOAT_VALUE1);
227:
228:                assertSame("discrete(" + t1 + ") failed",
229:                        discrete1.valueAt(t1), FLOAT_VALUE2);
230:
231:                assertSame("discrete(" + (t2 - 1) + ") failed", discrete1
232:                        .valueAt(t2 - 1), FLOAT_VALUE2);
233:
234:                assertSame("discrete(" + t2 + ") failed",
235:                        discrete1.valueAt(t2), FLOAT_VALUE3);
236:
237:                assertSame("discrete(" + (t3 - 1) + ") failed", discrete1
238:                        .valueAt(t3 - 1), FLOAT_VALUE3);
239:
240:                assertSame("discrete(" + t3 + ") failed",
241:                        discrete1.valueAt(t3), FLOAT_VALUE4);
242:
243:                assertSame("discrete(" + (t4) + ") failed", discrete1
244:                        .valueAt(t4), FLOAT_VALUE4);
245:            }
246:
247:            /**
248:             * Checks that a linear animation function answers the correct values
249:             * over the duration.
250:             */
251:            public void testLinear() {
252:                if (!linear.valueAt(0).equals(new Float(FROM_VALUE)))
253:                    fail("The linear function should answer the from value at t0.");
254:
255:                Object expected = new Float(TO_VALUE);
256:                Object answered = linear.valueAt(linear.duration() - 1);
257:                if (!answered.equals(expected))
258:                    fail("The linear function should answer the to value at t1."
259:                            + "\nanswered="
260:                            + answered
261:                            + "\nexpected="
262:                            + expected);
263:            }
264:
265:        }
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