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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 String} class.
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18 */
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19 public class StringTests extends RubyTests {
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20
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21 @Test
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22 public void testToI() {
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23 assertPrints("2\n", "puts \"2\".to_i");
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24 assertPrints("-2\n", "puts \"-2\".to_i");
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25 assertPrints("123456789123456789\n", "puts \"123456789123456789\".to_i");
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26 }
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27
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28 @Test
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29 public void testFormat() {
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30 assertPrints("a\n", "puts \"a\"");
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31 assertPrints("1\n", "puts \"%d\" % 1");
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32 assertPrints("a1b\n", "puts \"a%db\" % 1");
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33 assertPrints("a1.00000b\n", "puts \"a%fb\" % 1");
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34 assertPrints("a2.50000b\n", "puts \"a%fb\" % 2.5");
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35 assertPrints("3.400000000\n", "puts \"%.9f\" % 3.4");
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36 assertPrints("3.400000000\n", "puts \"%0.9f\" % 3.4");
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37 }
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38
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39 @Test
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40 public void testThreequal() {
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41 assertPrints("false\n", "puts \"a\" === \"b\"");
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42 assertPrints("true\n", "puts \"a\" === \"a\"");
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43 }
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44
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45 @Test
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46 public void testIndex() {
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47 assertPrints("a\n", "puts 'a'[0]");
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48 assertPrints("config\n", "puts 'foo.config'[-6..-1]");
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49 }
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50
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51 }
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