1 | /*
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2 | * Copyright 2001,2004 The Apache Software Foundation
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3 | *
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4 | * Licensed under the Apache License, Version 2.0 (the "License");
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5 | * you may not use this file except in compliance with the License.
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6 | * You may obtain a copy of the License at
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7 | *
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8 | * http://www.apache.org/licenses/LICENSE-2.0
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9 | *
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10 | * Unless required by applicable law or agreed to in writing, software
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11 | * distributed under the License is distributed on an "AS IS" BASIS,
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12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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13 | * See the License for the specific language governing permissions and
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14 | * limitations under the License.
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15 | *
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16 | */
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17 |
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18 | package org.apache.tools.zip;
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19 |
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20 | import junit.framework.TestCase;
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21 |
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22 | /**
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23 | * JUnit 3 testcases for org.apache.tools.zip.ZipShort.
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24 | *
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25 | */
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26 | public class ZipShortTest extends TestCase {
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27 |
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28 | public ZipShortTest(String name) {
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29 | super(name);
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30 | }
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31 |
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32 | /**
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33 | * Test conversion to bytes.
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34 | */
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35 | public void testToBytes() {
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36 | ZipShort zs = new ZipShort(0x1234);
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37 | byte[] result = zs.getBytes();
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38 | assertEquals("length getBytes", 2, result.length);
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39 | assertEquals("first byte getBytes", 0x34, result[0]);
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40 | assertEquals("second byte getBytes", 0x12, result[1]);
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41 | }
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42 |
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43 | /**
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44 | * Test conversion from bytes.
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45 | */
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46 | public void testFromBytes() {
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47 | byte[] val = new byte[] {0x34, 0x12};
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48 | ZipShort zs = new ZipShort(val);
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49 | assertEquals("value from bytes", 0x1234, zs.getValue());
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50 | }
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51 |
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52 | /**
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53 | * Test the contract of the equals method.
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54 | */
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55 | public void testEquals() {
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56 | ZipShort zs = new ZipShort(0x1234);
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57 | ZipShort zs2 = new ZipShort(0x1234);
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58 | ZipShort zs3 = new ZipShort(0x5678);
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59 |
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60 | assertTrue("reflexive", zs.equals(zs));
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61 |
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62 | assertTrue("works", zs.equals(zs2));
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63 | assertTrue("works, part two", !zs.equals(zs3));
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64 |
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65 | assertTrue("symmetric", zs2.equals(zs));
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66 |
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67 | assertTrue("null handling", !zs.equals(null));
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68 | assertTrue("non ZipShort handling", !zs.equals(new Integer(0x1234)));
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69 | }
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70 |
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71 | /**
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72 | * Test sign handling.
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73 | */
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74 | public void testSign() {
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75 | ZipShort zs = new ZipShort(new byte[] {(byte)0xFF, (byte)0xFF});
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76 | assertEquals(0x0000FFFF, zs.getValue());
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77 | }
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78 |
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79 | }
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