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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.core;
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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 the {@code Hash} class.
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18 */
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19 public class HashTests extends RubyTests {
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20
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21 @Test
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22 public void testLiteral() {
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23 assertPrints("Hash\n", "puts ({}).class");
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24 assertPrints("Hash\n", "puts ({1 => 2, 3 => 4}).class");
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25 assertPrints("Hash\n", "puts ({key1: 2, key3: 4}).class");
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26 }
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27
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28 @Test
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29 public void testIndex() {
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30 assertPrints("4\n", "foo = {1 => 2, 3 => 4}; puts foo[3]");
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31 }
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32
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33 @Test
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34 public void testIndexSet() {
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35 assertPrints("6\n", "foo = {1 => 2, 3 => 4}; foo[5] = 6; puts foo[5]");
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36 }
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37
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38 @Test
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39 public void testKeys() {
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40 assertPrints("[1, 3]\n", "foo = {1 => 2, 3 => 4}; puts foo.keys.to_s");
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41 }
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42
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43 }
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