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annotate jvmci/com.oracle.jvmci.debug.test/src/com/oracle/jvmci/debug/test/DebugHistogramTest.java @ 21798:395ac43a8578

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moved JVMCI sources from graal/ to jvmci/ directory
author Doug Simon <doug.simon@oracle.com>
date Tue, 09 Jun 2015 00:22:49 +0200
parents graal/com.oracle.jvmci.debug.test/src/com/oracle/jvmci/debug/test/DebugHistogramTest.java@f5b549811bac
children
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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.jvmci.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.jvmci.debug.*;
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30 import com.oracle.jvmci.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
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39 new DebugHistogramAsciiPrinter(new PrintStream(outputStream)).print(histogram);
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40 String line = outputStream.toString().split("\r?\n")[0];
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41 Assert.assertEquals("TestHistogram is empty.", line);
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42
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43 outputStream.reset();
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44 new DebugHistogramRPrinter(new PrintStream(outputStream)).print(histogram);
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45 Assert.assertEquals("", outputStream.toString());
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46 }
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47
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48 @Test
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49 public void testSingleEntryHistogram() {
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50 DebugHistogram histogram = Debug.createHistogram("TestHistogram");
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51 ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
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52 histogram.add(new Integer(1));
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53 histogram.add(new Integer(1));
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54 new DebugHistogramAsciiPrinter(new PrintStream(outputStream)).print(histogram);
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55 String[] lines = outputStream.toString().split("\r?\n");
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56 // @formatter:off
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57 String[] expected = {
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58 "TestHistogram has 1 unique elements and 2 total elements:",
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59 "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------",
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60 "| 1 | 2 | ==================================================================================================== |",
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61 "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------"
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62 };
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63 // @formatter:on
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64 Assert.assertArrayEquals(expected, lines);
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65
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66 outputStream.reset();
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67 new DebugHistogramRPrinter(new PrintStream(outputStream)).print(histogram);
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68 lines = outputStream.toString().split("\r?\n");
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69 // @formatter:off
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70 expected = new String[] {
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71 "TestHistogram <- c(2);",
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72 "names(TestHistogram) <- c(\"1\");"
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73 };
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74 // @formatter:on
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75 Assert.assertArrayEquals(expected, lines);
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76 }
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77
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78 @Test
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79 public void testMultipleEntryHistogram() {
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80 DebugHistogram histogram = Debug.createHistogram("TestHistogram");
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81 ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
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82 histogram.add(new Integer(1));
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83 histogram.add(new Integer(2));
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84 histogram.add(new Integer(2));
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85 new DebugHistogramAsciiPrinter(new PrintStream(outputStream)).print(histogram);
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86 String[] lines = outputStream.toString().split("\r?\n");
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87 // @formatter:off
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88 String[] expected = new String[] {
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89 "TestHistogram has 2 unique elements and 3 total elements:",
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90 "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------",
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91 "| 2 | 2 | ==================================================================================================== |",
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92 "| 1 | 1 | ================================================== |",
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93 "--------------------------------------------------------------------------------------------------------------------------------------------------------------------------"
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94 };
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95 // @formatter:on
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96 Assert.assertArrayEquals(expected, lines);
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97
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98 outputStream.reset();
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99 new DebugHistogramRPrinter(new PrintStream(outputStream)).print(histogram);
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100 lines = outputStream.toString().split("\r?\n");
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101 // @formatter:off
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102 expected = new String[] {
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103 "TestHistogram <- c(2, 1);",
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104 "names(TestHistogram) <- c(\"2\", \"1\");"
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105 };
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106 // @formatter:on
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107 Assert.assertArrayEquals(expected, lines);
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108 }
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109
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110 @Test
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111 public void testTooLongValueString() {
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112 DebugHistogram histogram = Debug.createHistogram("TestHistogram");
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113 ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
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114 histogram.add("MyCustomValue");
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115 new DebugHistogramAsciiPrinter(new PrintStream(outputStream), Integer.MAX_VALUE, 10, 10, 1).print(histogram);
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116 String[] lines = outputStream.toString().split("\r?\n");
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117 Assert.assertEquals(4, lines.length);
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118 Assert.assertEquals("TestHistogram has 1 unique elements and 1 total elements:", lines[0]);
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119 Assert.assertEquals("----------------------------------------", lines[1]);
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120 Assert.assertEquals("| MyCusto... | 1 | ========== |", lines[2]);
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121 Assert.assertEquals("----------------------------------------", lines[3]);
3495149b9531 Added support for trimming the name of objects in the histogram and a corresponding test case.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 9103
diff changeset
122 }
9103
e7541d478e38 Added DebugHistory utility and corresponding unit tests.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
123 }