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Diffstat (limited to 'javaparser-testing/src/test/java/com/github/javaparser/ast/expr/LiteralStringValueExprTest.java')
| -rw-r--r-- | javaparser-testing/src/test/java/com/github/javaparser/ast/expr/LiteralStringValueExprTest.java | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/javaparser-testing/src/test/java/com/github/javaparser/ast/expr/LiteralStringValueExprTest.java b/javaparser-testing/src/test/java/com/github/javaparser/ast/expr/LiteralStringValueExprTest.java new file mode 100644 index 000000000..1b9dfef1a --- /dev/null +++ b/javaparser-testing/src/test/java/com/github/javaparser/ast/expr/LiteralStringValueExprTest.java @@ -0,0 +1,166 @@ +/* + * 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\'"); + } + +} |