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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.language;
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11
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12 import org.junit.*;
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13
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14 import com.oracle.truffle.ruby.test.*;
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15
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16 /**
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17 * Test {@code case} expressions.
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18 */
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19 public class CaseTests extends RubyTests {
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20
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21 @Test
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22 public void testSingle() {
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23 assertPrints("1\n4\n", "case 'a'; when 'a'; puts 1; when 'b'; puts 2; else; puts 3; end; puts 4");
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24 assertPrints("2\n4\n", "case 'b'; when 'a'; puts 1; when 'b'; puts 2; else; puts 3; end; puts 4");
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25 assertPrints("3\n4\n", "case 'c'; when 'a'; puts 1; when 'b'; puts 2; else; puts 3; end; puts 4");
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26 }
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27
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28 @Test
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29 public void testMultiple() {
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30 assertPrints("1\n4\n", "case 'a'; when 'a', 'b'; puts 1; when 'c'; puts 2; else; puts 3; end; puts 4");
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31 assertPrints("1\n4\n", "case 'b'; when 'a', 'b'; puts 1; when 'c'; puts 2; else; puts 3; end; puts 4");
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32 assertPrints("2\n4\n", "case 'c'; when 'a', 'b'; puts 1; when 'c'; puts 2; else; puts 3; end; puts 4");
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33 assertPrints("3\n4\n", "case 'd'; when 'a', 'b'; puts 1; when 'c'; puts 2; else; puts 3; end; puts 4");
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34 }
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35
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36 @Test
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37 public void testSimpleConditions() {
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38 assertPrints("1\n", "case; when true; puts 1; when false; puts 2; end");
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39 }
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40
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41 }
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