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13514
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1 /*
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2 * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. This
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3 * code is released under a tri EPL/GPL/LGPL license. You can use it,
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4 * redistribute it and/or modify it under the terms of the:
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5 *
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6 * Eclipse Public License version 1.0
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7 * GNU General Public License version 2
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8 * GNU Lesser General Public License version 2.1
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9 */
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10 package com.oracle.truffle.ruby.test;
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11
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12 import static org.junit.Assert.*;
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13
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14 import java.io.*;
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15 import java.util.*;
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16
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17 import org.junit.*;
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18
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19 import com.oracle.truffle.api.*;
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20 import com.oracle.truffle.ruby.nodes.core.*;
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21 import com.oracle.truffle.ruby.parser.*;
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22 import com.oracle.truffle.ruby.runtime.*;
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23 import com.oracle.truffle.ruby.runtime.configuration.*;
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24 import com.oracle.truffle.ruby.runtime.core.*;
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25
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26 /**
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27 * Base class for Ruby tests.
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28 */
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29 public class RubyTests {
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30
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31 @BeforeClass
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32 public static void applyDefaultLocale() {
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33 // Avoid printing comparison issues
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34 Locale.setDefault(Locale.ENGLISH);
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35 }
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36
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37 /**
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38 * Executes some Ruby code and asserts that it prints an expected string. Remember to include
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39 * the newline characters.
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40 */
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41 public static void assertPrints(String expectedOutput, String code, String... args) {
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42 assertPrintsWithInput(expectedOutput, code, "", args);
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43 }
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44
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45 /**
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46 * Executes some Ruby code and asserts that it prints an expected string. Remember to include
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47 * the newline characters. Allows input for {@code Kernel#gets} to be passed in.
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48 */
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49 public static void assertPrintsWithInput(String expectedOutput, String code, String input, String... args) {
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50 assertPrints(null, expectedOutput, "(test)", code, input, args);
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51 }
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52
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53 /**
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54 * Executes some Ruby code and asserts that it prints an expected string. Remember to include
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55 * the newline characters. Also takes a string to simulate input.
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56 */
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57 public static void assertPrints(Configuration configuration, String expectedOutput, String fileName, String code, String input, String... args) {
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58 final ByteArrayOutputStream byteArray = new ByteArrayOutputStream();
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59 final PrintStream printStream = new PrintStream(byteArray);
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60
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61 ConfigurationBuilder configurationBuilder;
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62
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63 if (configuration == null) {
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64 configurationBuilder = new ConfigurationBuilder();
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65 } else {
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66 configurationBuilder = new ConfigurationBuilder(configuration);
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67 }
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68
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69 configurationBuilder.setStandardOut(printStream);
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70
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71 final BufferedReader inputReader = new BufferedReader(new StringReader(input));
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72
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73 configurationBuilder.setInputReader(new InputReader() {
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74
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75 @Override
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76 public String readLine(String prompt) throws IOException {
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77 return inputReader.readLine();
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78 }
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79
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80 });
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81
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82 final RubyContext context = new RubyContext(new Configuration(configurationBuilder), new JRubyParser());
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83
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84 CoreMethodNodeManager.addMethods(context.getCoreLibrary().getObjectClass());
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85 context.getCoreLibrary().initializeAfterMethodsAdded();
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86
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87 for (String arg : args) {
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88 context.getCoreLibrary().getArgv().push(new RubyString(context.getCoreLibrary().getStringClass(), arg));
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89 }
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90
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91 final Source source = context.getSourceManager().getFakeFile(fileName, code);
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92
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93 context.execute(context, source, RubyParser.ParserContext.TOP_LEVEL, context.getCoreLibrary().getMainObject(), null);
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94 context.shutdown();
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95
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96 assertEquals(expectedOutput, byteArray.toString().replaceAll("\r\n", "\n"));
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97 }
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98 }
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