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annotate graal/com.oracle.graal.debug.test/src/com/oracle/graal/debug/test/DebugHistogramTest.java @ 11551:63b4694d3627

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split DebugHistogram printing out into separate service
author Doug Simon <doug.simon@oracle.com>
date Mon, 09 Sep 2013 13:57:53 +0200
parents 3495149b9531
children a771cc1f10f5
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1 /*
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2 * Copyright (c) 2013, 2013, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.graal.debug.test;
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24
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25 import java.io.*;
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26
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27 import org.junit.*;
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28
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29 import com.oracle.graal.debug.*;
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30 import com.oracle.graal.debug.internal.*;
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31
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32 public class DebugHistogramTest {
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33
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34 @Test
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35 public void testEmptyHistogram() {
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36 DebugHistogram histogram = Debug.createHistogram("TestHistogram");
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37 ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
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38 new DebugHistogramAsciiPrinter(new PrintStream(outputStream)).print(histogram);
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39 Assert.assertEquals("TestHistogram is empty.\n", outputStream.toString());
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40 }
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41
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42 @Test
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43 public void testSingleEntryHistogram() {
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44 DebugHistogram histogram = Debug.createHistogram("TestHistogram");
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45 ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
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46 histogram.add(new Integer(1));
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47 histogram.add(new Integer(1));
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48 new DebugHistogramAsciiPrinter(new PrintStream(outputStream)).print(histogram);
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49 String[] lines = outputStream.toString().split("\n");
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50 Assert.assertEquals(4, lines.length);
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51 Assert.assertEquals("TestHistogram has 1 unique elements and 2 total elements:", lines[0]);
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52 Assert.assertEquals(
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53 "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------",
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54 lines[1]);
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55 Assert.assertEquals(
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56 "| 1 | 2 | ==================================================================================================== |",
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57 lines[2]);
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58 Assert.assertEquals(
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59 "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------",
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60 lines[3]);
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61 }
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62
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63 @Test
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64 public void testMultipleEntryHistogram() {
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65 DebugHistogram histogram = Debug.createHistogram("TestHistogram");
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66 ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
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67 histogram.add(new Integer(1));
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68 histogram.add(new Integer(2));
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69 histogram.add(new Integer(2));
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70 new DebugHistogramAsciiPrinter(new PrintStream(outputStream)).print(histogram);
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71 String[] lines = outputStream.toString().split("\n");
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72 Assert.assertEquals(5, lines.length);
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73 Assert.assertEquals("TestHistogram has 2 unique elements and 3 total elements:", lines[0]);
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74 Assert.assertEquals(
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75 "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------",
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76 lines[1]);
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77 Assert.assertEquals(
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78 "| 2 | 2 | ==================================================================================================== |",
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79 lines[2]);
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80 Assert.assertEquals(
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81 "| 1 | 1 | ================================================== |",
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82 lines[3]);
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83 Assert.assertEquals(
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84 "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------",
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85 lines[4]);
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86 }
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87
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88 @Test
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89 public void testTooLongValueString() {
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90 DebugHistogram histogram = Debug.createHistogram("TestHistogram");
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91 ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
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92 histogram.add("MyCustomValue");
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93 new DebugHistogramAsciiPrinter(new PrintStream(outputStream), Integer.MAX_VALUE, 10, 10).print(histogram);
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94 String[] lines = outputStream.toString().split("\n");
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95 Assert.assertEquals(4, lines.length);
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96 Assert.assertEquals("TestHistogram has 1 unique elements and 1 total elements:", lines[0]);
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97 Assert.assertEquals("----------------------------------------", lines[1]);
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98 Assert.assertEquals("| MyCusto... | 1 | ========== |", lines[2]);
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99 Assert.assertEquals("----------------------------------------", lines[3]);
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100 }
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101 }