1 /* 2 * Copyright (C) 2007-2010 Jlio Vilmar Gesser. 3 * Copyright (C) 2011, 2013-2017 The JavaParser Team. 4 * 5 * This file is part of JavaParser. 6 * 7 * JavaParser can be used either under the terms of 8 * a) the GNU Lesser General Public License as published by 9 * the Free Software Foundation, either version 3 of the License, or 10 * (at your option) any later version. 11 * b) the terms of the Apache License 12 * 13 * You should have received a copy of both licenses in LICENCE.LGPL and 14 * LICENCE.APACHE. Please refer to those files for details. 15 * 16 * JavaParser is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 * GNU Lesser General Public License for more details. 20 */ 21 package com.github.javaparser.ast.expr; 22 23 import com.github.javaparser.JavaParser; 24 import org.assertj.core.data.Percentage; 25 import org.junit.Test; 26 27 import static com.github.javaparser.JavaParser.*; 28 import static org.assertj.core.api.Assertions.assertThat; 29 30 @SuppressWarnings("OctalInteger") 31 public class LiteralStringValueExprTest { 32 33 @Test 34 public void trivialLiteralsAreConverted() { 35 assertThat(new CharLiteralExpr('\t').getValue()).isEqualTo("\\t"); 36 assertThat(new CharLiteralExpr('\b').getValue()).isEqualTo("\\b"); 37 assertThat(new CharLiteralExpr('\f').getValue()).isEqualTo("\\f"); 38 assertThat(new CharLiteralExpr('\r').getValue()).isEqualTo("\\r"); 39 assertThat(new CharLiteralExpr('\n').getValue()).isEqualTo("\\n"); 40 assertThat(new CharLiteralExpr('\\').getValue()).isEqualTo("\\\\"); 41 assertThat(new CharLiteralExpr('\"').getValue()).isEqualTo("\\\""); 42 43 assertThat(new IntegerLiteralExpr("0B0").asInt()).isEqualTo(0); 44 assertThat(new IntegerLiteralExpr("0b0").asInt()).isEqualTo(0); 45 assertThat(new IntegerLiteralExpr("0X0").asInt()).isEqualTo(0); 46 assertThat(new IntegerLiteralExpr("0x0").asInt()).isEqualTo(0); 47 assertThat(new IntegerLiteralExpr(0).asInt()).isEqualTo(0); 48 assertThat(new IntegerLiteralExpr(00).asInt()).isEqualTo(0); 49 assertThat(new IntegerLiteralExpr(0B0).asInt()).isEqualTo(0); 50 assertThat(new IntegerLiteralExpr(0b0).asInt()).isEqualTo(0); 51 assertThat(new IntegerLiteralExpr(0X0).asInt()).isEqualTo(0); 52 assertThat(new IntegerLiteralExpr(0x0).asInt()).isEqualTo(0); 53 54 assertThat(new LongLiteralExpr("0B0L").asLong()).isEqualTo(0); 55 assertThat(new LongLiteralExpr("0b0L").asLong()).isEqualTo(0); 56 assertThat(new LongLiteralExpr("0X0L").asLong()).isEqualTo(0); 57 assertThat(new LongLiteralExpr("0x0L").asLong()).isEqualTo(0); 58 assertThat(new LongLiteralExpr(0L).asLong()).isEqualTo(0); 59 assertThat(new LongLiteralExpr(00L).asLong()).isEqualTo(0); 60 assertThat(new LongLiteralExpr(0B0L).asLong()).isEqualTo(0); 61 assertThat(new LongLiteralExpr(0b0L).asLong()).isEqualTo(0); 62 assertThat(new LongLiteralExpr(0X0L).asLong()).isEqualTo(0); 63 assertThat(new LongLiteralExpr(0x0L).asLong()).isEqualTo(0); 64 65 assertThat(new DoubleLiteralExpr("0.0f").asDouble()).isEqualTo(0.0); 66 assertThat(new DoubleLiteralExpr("0.0F").asDouble()).isEqualTo(0.0); 67 assertThat(new DoubleLiteralExpr("0.0d").asDouble()).isEqualTo(0.0); 68 assertThat(new DoubleLiteralExpr("0.0D").asDouble()).isEqualTo(0.0); 69 assertThat(new DoubleLiteralExpr(0.0F).asDouble()).isEqualTo(0.0); 70 assertThat(new DoubleLiteralExpr(0.0f).asDouble()).isEqualTo(0.0); 71 assertThat(new DoubleLiteralExpr(0.0D).asDouble()).isEqualTo(0.0); 72 assertThat(new DoubleLiteralExpr(0.0d).asDouble()).isEqualTo(0.0); 73 } 74 75 @Test 76 public void lowerAndUpperBoundIntegersAreConverted() { 77 IntegerLiteralExpr dec = parseExpression("2147483647"); 78 IntegerLiteralExpr posOct = parseExpression("0177_7777_7777"); 79 IntegerLiteralExpr negOct = parseExpression("0377_7777_7777"); 80 IntegerLiteralExpr posHex = parseExpression("0x7fff_ffff"); 81 IntegerLiteralExpr negHex = parseExpression("0xffff_ffff"); 82 IntegerLiteralExpr posBin = parseExpression("0b0111_1111_1111_1111_1111_1111_1111_1111"); 83 IntegerLiteralExpr negBin = parseExpression("0b1000_0000_0000_0000_0000_0000_0000_0000"); 84 85 assertThat(dec.asInt()).isEqualTo(2147483647); 86 assertThat(posOct.asInt()).isEqualTo(2147483647); // 0177_7777_7777 87 assertThat(negOct.asInt()).isEqualTo(-1); // 0377_7777_7777 88 assertThat(posHex.asInt()).isEqualTo(0x7fff_ffff); 89 assertThat(negHex.asInt()).isEqualTo(0xffff_ffff); 90 assertThat(posBin.asInt()).isEqualTo(0b0111_1111_1111_1111_1111_1111_1111_1111); 91 assertThat(negBin.asInt()).isEqualTo(0b1000_0000_0000_0000_0000_0000_0000_0000); 92 } 93 94 @Test 95 public void lowerAndUpperBoundLongsAreConverted() { 96 LongLiteralExpr dec = parseExpression("9223372036854775807L"); 97 LongLiteralExpr posOct = parseExpression("07_7777_7777_7777_7777_7777L"); 98 LongLiteralExpr negOct = parseExpression("010_0000_0000_0000_0000_0000L"); 99 LongLiteralExpr posHex = parseExpression("0x7fff_ffff_ffff_ffffL"); 100 LongLiteralExpr negHex = parseExpression("0xffff_ffff_ffff_ffffL"); 101 LongLiteralExpr posBin = parseExpression("0b0111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111L"); 102 LongLiteralExpr negBin = parseExpression("0b1000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000L"); 103 104 assertThat(dec.asLong()).isEqualTo(9223372036854775807L); 105 assertThat(posOct.asLong()).isEqualTo(9223372036854775807L); // 07_7777_7777_7777_7777_7777L 106 assertThat(negOct.asLong()).isEqualTo(-9223372036854775808L); // 010_0000_0000_0000_0000_0000L 107 assertThat(posHex.asLong()).isEqualTo(0x7fff_ffff_ffff_ffffL); 108 assertThat(negHex.asLong()).isEqualTo(0xffff_ffff_ffff_ffffL); 109 assertThat(posBin.asLong()).isEqualTo(0b0111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111L); 110 assertThat(negBin.asLong()).isEqualTo(0b1000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000L); 111 } 112 113 @Test 114 public void charLiteralsAreConverted() { 115 CharLiteralExpr a = parseExpression("'a'"); 116 CharLiteralExpr percent = parseExpression("'%'"); 117 CharLiteralExpr tab = parseExpression("'\\t'"); 118 CharLiteralExpr newLine = parseExpression("'\\n'"); 119 CharLiteralExpr slash = parseExpression("'\\\\'"); 120 CharLiteralExpr quote = parseExpression("'\\''"); 121 CharLiteralExpr omega = parseExpression("'\\u03a9'"); 122 CharLiteralExpr unicode = parseExpression("'\\uFFFF'"); 123 CharLiteralExpr ascii = parseExpression("'\\177'"); 124 CharLiteralExpr trademark = parseExpression("''"); 125 126 assertThat(a.asChar()).isEqualTo('a'); 127 assertThat(percent.asChar()).isEqualTo('%'); 128 assertThat(tab.asChar()).isEqualTo('\t'); 129 assertThat(newLine.asChar()).isEqualTo('\n'); 130 assertThat(slash.asChar()).isEqualTo('\\'); 131 assertThat(quote.asChar()).isEqualTo('\''); 132 assertThat(omega.asChar()).isEqualTo('\u03a9'); 133 assertThat(unicode.asChar()).isEqualTo('\uFFFF'); 134 assertThat(ascii.asChar()).isEqualTo('\177'); 135 assertThat(trademark.asChar()).isEqualTo(''); 136 } 137 138 @Test 139 public void lowerAndUpperBoundDoublesAreConverted() { 140 DoubleLiteralExpr posFloat = parseExpression("3.4028235e38f"); 141 DoubleLiteralExpr negFloat = parseExpression("1.40e-45f"); 142 DoubleLiteralExpr posDouble = parseExpression("1.7976931348623157e308"); 143 DoubleLiteralExpr negDouble = parseExpression("4.9e-324"); 144 DoubleLiteralExpr posHexFloat = parseExpression("0x1.fffffffffffffp1023"); 145 DoubleLiteralExpr negHexFloat = parseExpression("0x0.0000000000001P-1022"); 146 147 assertThat(posFloat.asDouble()).isCloseTo(3.4028235e38f, Percentage.withPercentage(1)); 148 assertThat(negFloat.asDouble()).isCloseTo(1.40e-45f, Percentage.withPercentage(1)); 149 assertThat(posDouble.asDouble()).isEqualTo(1.7976931348623157e308); 150 assertThat(negDouble.asDouble()).isEqualTo(4.9e-324); 151 assertThat(posHexFloat.asDouble()).isEqualTo(0x1.fffffffffffffp1023); 152 assertThat(negHexFloat.asDouble()).isEqualTo(0x0.0000000000001P-1022); 153 } 154 155 @Test 156 public void specialCharactersInStringsAreEscaped() { 157 assertThat(new StringLiteralExpr("\n").getValue()).isEqualTo("\\n"); 158 assertThat(new StringLiteralExpr("\r").getValue()).isEqualTo("\\r"); 159 assertThat(new StringLiteralExpr("").setEscapedValue("\n").getValue()).isEqualTo("\\n"); 160 assertThat(new StringLiteralExpr("").setEscapedValue("\r").getValue()).isEqualTo("\\r"); 161 assertThat(new StringLiteralExpr("").setEscapedValue("\n").asString()).isEqualTo("\n"); 162 assertThat(new StringLiteralExpr("").setEscapedValue("\r").asString()).isEqualTo("\r"); 163 assertThat(new StringLiteralExpr("Hello\nWorld\rHello\"World\'").asString()).isEqualTo("Hello\nWorld\rHello\"World\'"); 164 } 165 166 } 167
