1 | /*
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2 | * Copyright 2003-2004 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 | package org.apache.tools.ant.util;
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18 |
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19 | import java.io.File;
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20 | import java.io.IOException;
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21 | import junit.framework.TestCase;
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22 |
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23 | /**
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24 | * @since Ant 1.6
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25 | */
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26 | public class LazyFileOutputStreamTest extends TestCase {
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27 | private LazyFileOutputStream los;
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28 | private final static File f = new File("test.txt");
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29 |
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30 | public LazyFileOutputStreamTest(String s) {
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31 | super(s);
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32 | }
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33 |
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34 | public void setUp() {
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35 | los = new LazyFileOutputStream(f);
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36 | }
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37 |
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38 | public void tearDown() throws IOException {
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39 | try {
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40 | los.close();
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41 | } finally {
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42 | f.delete();
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43 | }
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44 | }
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45 |
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46 | public void testNoFileWithoutWrite() throws IOException {
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47 | los.close();
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48 | assertTrue(f + " has not been written.", !f.exists());
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49 | }
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50 |
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51 | public void testOpen() throws IOException {
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52 | los.open();
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53 | los.close();
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54 | assertTrue(f + " has been written.", f.exists());
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55 | }
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56 |
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57 | public void testSingleByte() throws IOException {
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58 | los.write(0);
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59 | los.close();
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60 | assertTrue(f + " has been written.", f.exists());
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61 | }
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62 |
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63 | public void testByteArray() throws IOException {
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64 | los.write(new byte[] {0});
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65 | los.close();
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66 | assertTrue(f + " has been written.", f.exists());
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67 | }
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68 | }
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