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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 Range} class.
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18 */
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19 public class RangeTests extends RubyTests {
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20
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21 @Test
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22 public void testImmediate() {
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23 assertPrints("1..2\n", "puts 1..2");
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24 assertPrints("1..2\n", "puts (1..2)");
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25 assertPrints("1..2\n", "puts ((1)..2)");
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26 assertPrints("1...2\n", "puts 1...2");
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27 }
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28
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29 @Test
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30 public void testVariables() {
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31 assertPrints("1..2\n", "x = 1; puts x..2");
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32 assertPrints("1..2\n", "y = 2; puts 1..y");
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33 assertPrints("1..2\n", "x = 1; y = 2; puts x..y");
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34 }
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35
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36 @Test
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37 public void testToArray() {
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38 assertPrints("0\n1\n2\n", "puts (0..2).to_a");
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39 assertPrints("1\n2\n", "puts (1..2).to_a");
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40 assertPrints("1\n2\n", "puts (1...3).to_a");
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41 assertPrints("1\n2\n3\n", "puts (1..3).to_a");
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42 }
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43
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44 @Test
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45 public void testEach() {
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46 assertPrints("", "(1...1).each { |n| puts n }");
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47 assertPrints("1\n", "(1...2).each { |n| puts n }");
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48 assertPrints("1\n2\n", "(1...3).each { |n| puts n }");
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49 assertPrints("1\n2\n3\n", "(1...4).each { |n| puts n }");
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50 assertPrints("1\n", "(1..1).each { |n| puts n }");
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51 assertPrints("1\n2\n", "(1..2).each { |n| puts n }");
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52 assertPrints("1\n2\n3\n", "(1..3).each { |n| puts n }");
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53 assertPrints("1\n2\n3\n4\n", "(1..4).each { |n| puts n }");
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54 assertPrints("0\n1\n", "(0..1).each { |n| puts n }");
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55 assertPrints("", "(4..-2).each { |n| puts n }");
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56 assertPrints("-4\n-3\n-2\n", "(-4..-2).each { |n| puts n }");
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57 assertPrints("-1\n0\n1\n", "(-1..1).each { |n| puts n }");
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58 }
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59
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60 @Test
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61 public void testMap() {
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62 assertPrints("2\n4\n6\n", "puts (1..3).map { |n| n*2 }");
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63 }
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64
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65 }
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