77 lines
2.8 KiB
Java
Executable File
77 lines
2.8 KiB
Java
Executable File
/*
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* Copyright 2021 dorkbox, llc
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package dorkbox.version.expr;
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import static dorkbox.version.expr.Lexer.Token.Type.AND;
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import static dorkbox.version.expr.Lexer.Token.Type.EOI;
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import static dorkbox.version.expr.Lexer.Token.Type.NUMERIC;
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import static dorkbox.version.expr.Lexer.Token.Type.RIGHT_PAREN;
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import static org.junit.Assert.assertArrayEquals;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.fail;
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import java.util.Arrays;
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import java.util.Collection;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.junit.runners.Parameterized;
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import org.junit.runners.Parameterized.Parameters;
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import dorkbox.version.expr.Lexer.Token;
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/**
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* @author Zafar Khaja <zafarkhaja@gmail.com>
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*/
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@RunWith(Parameterized.class)
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public
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class ParserErrorHandlingTest {
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@Parameters(name = "{0}")
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public static
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Collection<Object[]> parameters() {
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return Arrays.asList(new Object[][] {{"1)", new Token(RIGHT_PAREN, ")", 1), new Token.Type[] {EOI}},
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{"(>1.0.1", new Token(EOI, null, 7), new Token.Type[] {RIGHT_PAREN}},
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{"((>=1 & <2)", new Token(EOI, null, 11), new Token.Type[] {RIGHT_PAREN}},
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{">=1.0.0 &", new Token(EOI, null, 9), new Token.Type[] {NUMERIC}},
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{"(>2.0 |)", new Token(RIGHT_PAREN, ")", 7), new Token.Type[] {NUMERIC}},
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{"& 1.2", new Token(AND, "&", 0), new Token.Type[] {NUMERIC}},});
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}
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private final String invalidExpr;
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private final Token unexpected;
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private final Token.Type[] expected;
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public
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ParserErrorHandlingTest(String invalidExpr, Token unexpected, Token.Type[] expected) {
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this.invalidExpr = invalidExpr;
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this.unexpected = unexpected;
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this.expected = expected;
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}
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@Test
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public
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void shouldCorrectlyHandleParseErrors() {
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try {
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ExpressionParser.Companion.newInstance().parse(invalidExpr);
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} catch (UnexpectedTokenException e) {
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assertEquals(unexpected, e.getUnexpectedToken());
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assertArrayEquals(expected, e.getExpectedTokenTypes());
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return;
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}
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fail("Uncaught exception");
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}
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}
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