mirror of https://github.com/DanilaFe/abacus
45 lines
1.3 KiB
Java
45 lines
1.3 KiB
Java
package org.nwapw.abacus.tests;
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import org.junit.Assert;
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import org.junit.Test;
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import org.nwapw.abacus.lexing.Lexer;
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import org.nwapw.abacus.lexing.pattern.Match;
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import java.util.List;
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public class LexerTests {
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@Test
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public void testBasicSuccess(){
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Lexer<Integer> lexer = new Lexer<>();
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lexer.register("abc", 0);
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lexer.register("def", 1);
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List<Match<Integer>> matchedIntegers = lexer.lexAll("abcdefabc", 0, Integer::compare);
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Assert.assertEquals(matchedIntegers.get(0).getType(), Integer.valueOf(0));
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Assert.assertEquals(matchedIntegers.get(1).getType(), Integer.valueOf(1));
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Assert.assertEquals(matchedIntegers.get(2).getType(), Integer.valueOf(0));
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}
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@Test
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public void testBasicFailure(){
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Lexer<Integer> lexer = new Lexer<>();
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lexer.register("abc", 0);
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lexer.register("def", 1);
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Assert.assertNull(lexer.lexAll("abcdefabcz", 0, Integer::compare));
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}
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@Test
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public void testNoPatterns(){
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Lexer<Integer> lexer = new Lexer<>();
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Assert.assertNull(lexer.lexAll("abcdefabc", 0, Integer::compare));
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}
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@Test
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public void testEmptyMatches(){
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Lexer<Integer> lexer = new Lexer<>();
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lexer.register("a?", 0);
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Assert.assertNull(lexer.lexAll("", 0, Integer::compare));
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}
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}
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