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/*
* Copyright (C) 2007-2010 Júlio Vilmar Gesser.
* Copyright (C) 2011, 2013-2017 The JavaParser Team.
*
* This file is part of JavaParser.
*
* JavaParser can be used either under the terms of
* a) the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* b) the terms of the Apache License
*
* You should have received a copy of both licenses in LICENCE.LGPL and
* LICENCE.APACHE. Please refer to those files for details.
*
* JavaParser is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*/
package com.github.javaparser.ast.expr;
import com.github.javaparser.JavaParser;
import org.assertj.core.data.Percentage;
import org.junit.Test;
import static com.github.javaparser.JavaParser.*;
import static org.assertj.core.api.Assertions.assertThat;
@SuppressWarnings("OctalInteger")
public class LiteralStringValueExprTest {
@Test
public void trivialLiteralsAreConverted() {
assertThat(new CharLiteralExpr('\t').getValue()).isEqualTo("\\t");
assertThat(new CharLiteralExpr('\b').getValue()).isEqualTo("\\b");
assertThat(new CharLiteralExpr('\f').getValue()).isEqualTo("\\f");
assertThat(new CharLiteralExpr('\r').getValue()).isEqualTo("\\r");
assertThat(new CharLiteralExpr('\n').getValue()).isEqualTo("\\n");
assertThat(new CharLiteralExpr('\\').getValue()).isEqualTo("\\\\");
assertThat(new CharLiteralExpr('\"').getValue()).isEqualTo("\\\"");
assertThat(new IntegerLiteralExpr("0B0").asInt()).isEqualTo(0);
assertThat(new IntegerLiteralExpr("0b0").asInt()).isEqualTo(0);
assertThat(new IntegerLiteralExpr("0X0").asInt()).isEqualTo(0);
assertThat(new IntegerLiteralExpr("0x0").asInt()).isEqualTo(0);
assertThat(new IntegerLiteralExpr(0).asInt()).isEqualTo(0);
assertThat(new IntegerLiteralExpr(00).asInt()).isEqualTo(0);
assertThat(new IntegerLiteralExpr(0B0).asInt()).isEqualTo(0);
assertThat(new IntegerLiteralExpr(0b0).asInt()).isEqualTo(0);
assertThat(new IntegerLiteralExpr(0X0).asInt()).isEqualTo(0);
assertThat(new IntegerLiteralExpr(0x0).asInt()).isEqualTo(0);
assertThat(new LongLiteralExpr("0B0L").asLong()).isEqualTo(0);
assertThat(new LongLiteralExpr("0b0L").asLong()).isEqualTo(0);
assertThat(new LongLiteralExpr("0X0L").asLong()).isEqualTo(0);
assertThat(new LongLiteralExpr("0x0L").asLong()).isEqualTo(0);
assertThat(new LongLiteralExpr(0L).asLong()).isEqualTo(0);
assertThat(new LongLiteralExpr(00L).asLong()).isEqualTo(0);
assertThat(new LongLiteralExpr(0B0L).asLong()).isEqualTo(0);
assertThat(new LongLiteralExpr(0b0L).asLong()).isEqualTo(0);
assertThat(new LongLiteralExpr(0X0L).asLong()).isEqualTo(0);
assertThat(new LongLiteralExpr(0x0L).asLong()).isEqualTo(0);
assertThat(new DoubleLiteralExpr("0.0f").asDouble()).isEqualTo(0.0);
assertThat(new DoubleLiteralExpr("0.0F").asDouble()).isEqualTo(0.0);
assertThat(new DoubleLiteralExpr("0.0d").asDouble()).isEqualTo(0.0);
assertThat(new DoubleLiteralExpr("0.0D").asDouble()).isEqualTo(0.0);
assertThat(new DoubleLiteralExpr(0.0F).asDouble()).isEqualTo(0.0);
assertThat(new DoubleLiteralExpr(0.0f).asDouble()).isEqualTo(0.0);
assertThat(new DoubleLiteralExpr(0.0D).asDouble()).isEqualTo(0.0);
assertThat(new DoubleLiteralExpr(0.0d).asDouble()).isEqualTo(0.0);
}
@Test
public void lowerAndUpperBoundIntegersAreConverted() {
IntegerLiteralExpr dec = parseExpression("2147483647");
IntegerLiteralExpr posOct = parseExpression("0177_7777_7777");
IntegerLiteralExpr negOct = parseExpression("0377_7777_7777");
IntegerLiteralExpr posHex = parseExpression("0x7fff_ffff");
IntegerLiteralExpr negHex = parseExpression("0xffff_ffff");
IntegerLiteralExpr posBin = parseExpression("0b0111_1111_1111_1111_1111_1111_1111_1111");
IntegerLiteralExpr negBin = parseExpression("0b1000_0000_0000_0000_0000_0000_0000_0000");
assertThat(dec.asInt()).isEqualTo(2147483647);
assertThat(posOct.asInt()).isEqualTo(2147483647); // 0177_7777_7777
assertThat(negOct.asInt()).isEqualTo(-1); // 0377_7777_7777
assertThat(posHex.asInt()).isEqualTo(0x7fff_ffff);
assertThat(negHex.asInt()).isEqualTo(0xffff_ffff);
assertThat(posBin.asInt()).isEqualTo(0b0111_1111_1111_1111_1111_1111_1111_1111);
assertThat(negBin.asInt()).isEqualTo(0b1000_0000_0000_0000_0000_0000_0000_0000);
}
@Test
public void lowerAndUpperBoundLongsAreConverted() {
LongLiteralExpr dec = parseExpression("9223372036854775807L");
LongLiteralExpr posOct = parseExpression("07_7777_7777_7777_7777_7777L");
LongLiteralExpr negOct = parseExpression("010_0000_0000_0000_0000_0000L");
LongLiteralExpr posHex = parseExpression("0x7fff_ffff_ffff_ffffL");
LongLiteralExpr negHex = parseExpression("0xffff_ffff_ffff_ffffL");
LongLiteralExpr posBin = parseExpression("0b0111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111L");
LongLiteralExpr negBin = parseExpression("0b1000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000L");
assertThat(dec.asLong()).isEqualTo(9223372036854775807L);
assertThat(posOct.asLong()).isEqualTo(9223372036854775807L); // 07_7777_7777_7777_7777_7777L
assertThat(negOct.asLong()).isEqualTo(-9223372036854775808L); // 010_0000_0000_0000_0000_0000L
assertThat(posHex.asLong()).isEqualTo(0x7fff_ffff_ffff_ffffL);
assertThat(negHex.asLong()).isEqualTo(0xffff_ffff_ffff_ffffL);
assertThat(posBin.asLong()).isEqualTo(0b0111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111L);
assertThat(negBin.asLong()).isEqualTo(0b1000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000L);
}
@Test
public void charLiteralsAreConverted() {
CharLiteralExpr a = parseExpression("'a'");
CharLiteralExpr percent = parseExpression("'%'");
CharLiteralExpr tab = parseExpression("'\\t'");
CharLiteralExpr newLine = parseExpression("'\\n'");
CharLiteralExpr slash = parseExpression("'\\\\'");
CharLiteralExpr quote = parseExpression("'\\''");
CharLiteralExpr omega = parseExpression("'\\u03a9'");
CharLiteralExpr unicode = parseExpression("'\\uFFFF'");
CharLiteralExpr ascii = parseExpression("'\\177'");
CharLiteralExpr trademark = parseExpression("'™'");
assertThat(a.asChar()).isEqualTo('a');
assertThat(percent.asChar()).isEqualTo('%');
assertThat(tab.asChar()).isEqualTo('\t');
assertThat(newLine.asChar()).isEqualTo('\n');
assertThat(slash.asChar()).isEqualTo('\\');
assertThat(quote.asChar()).isEqualTo('\'');
assertThat(omega.asChar()).isEqualTo('\u03a9');
assertThat(unicode.asChar()).isEqualTo('\uFFFF');
assertThat(ascii.asChar()).isEqualTo('\177');
assertThat(trademark.asChar()).isEqualTo('™');
}
@Test
public void lowerAndUpperBoundDoublesAreConverted() {
DoubleLiteralExpr posFloat = parseExpression("3.4028235e38f");
DoubleLiteralExpr negFloat = parseExpression("1.40e-45f");
DoubleLiteralExpr posDouble = parseExpression("1.7976931348623157e308");
DoubleLiteralExpr negDouble = parseExpression("4.9e-324");
DoubleLiteralExpr posHexFloat = parseExpression("0x1.fffffffffffffp1023");
DoubleLiteralExpr negHexFloat = parseExpression("0x0.0000000000001P-1022");
assertThat(posFloat.asDouble()).isCloseTo(3.4028235e38f, Percentage.withPercentage(1));
assertThat(negFloat.asDouble()).isCloseTo(1.40e-45f, Percentage.withPercentage(1));
assertThat(posDouble.asDouble()).isEqualTo(1.7976931348623157e308);
assertThat(negDouble.asDouble()).isEqualTo(4.9e-324);
assertThat(posHexFloat.asDouble()).isEqualTo(0x1.fffffffffffffp1023);
assertThat(negHexFloat.asDouble()).isEqualTo(0x0.0000000000001P-1022);
}
@Test
public void specialCharactersInStringsAreEscaped() {
assertThat(new StringLiteralExpr("\n").getValue()).isEqualTo("\\n");
assertThat(new StringLiteralExpr("\r").getValue()).isEqualTo("\\r");
assertThat(new StringLiteralExpr("").setEscapedValue("\n").getValue()).isEqualTo("\\n");
assertThat(new StringLiteralExpr("").setEscapedValue("\r").getValue()).isEqualTo("\\r");
assertThat(new StringLiteralExpr("").setEscapedValue("\n").asString()).isEqualTo("\n");
assertThat(new StringLiteralExpr("").setEscapedValue("\r").asString()).isEqualTo("\r");
assertThat(new StringLiteralExpr("Hello\nWorld\rHello\"World\'").asString()).isEqualTo("Hello\nWorld\rHello\"World\'");
}
}
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