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/*
* Copyright (C) 2007-2010 Júlio Vilmar Gesser.
* Copyright (C) 2011, 2013-2016 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.nodeTypes;
import com.github.javaparser.JavaParser;
import com.github.javaparser.ast.expr.VariableDeclarationExpr;
import com.github.javaparser.ast.type.PrimitiveType;
import org.junit.Test;
import static com.github.javaparser.JavaParser.*;
import static org.junit.Assert.assertEquals;
public class NodeWithVariablesTest {
@Test
public void getCommonTypeWorksForNormalVariables() {
VariableDeclarationExpr declaration = parseVariableDeclarationExpr("int a,b");
assertEquals(PrimitiveType.intType(), declaration.getCommonType());
}
@Test
public void getCommonTypeWorksForArrayTypes() {
parseVariableDeclarationExpr("int a[],b[]").getCommonType();
}
@Test(expected = AssertionError.class)
public void getCommonTypeFailsOnArrayDifferences() {
parseVariableDeclarationExpr("int a[],b[][]").getCommonType();
}
@Test(expected = AssertionError.class)
public void getCommonTypeFailsOnDodgySetterUsage() {
VariableDeclarationExpr declaration = parseVariableDeclarationExpr("int a,b");
declaration.getVariable(1).setType(String.class);
declaration.getCommonType();
}
@Test(expected = AssertionError.class)
public void getCommonTypeFailsOnInvalidEmptyVariableList() {
VariableDeclarationExpr declaration = parseVariableDeclarationExpr("int a");
declaration.getVariables().clear();
declaration.getCommonType();
}
@Test
public void getElementTypeWorksForNormalVariables() {
VariableDeclarationExpr declaration = parseVariableDeclarationExpr("int a,b");
assertEquals(PrimitiveType.intType(), declaration.getElementType());
}
@Test
public void getElementTypeWorksForArrayTypes() {
VariableDeclarationExpr declaration = parseVariableDeclarationExpr("int a[],b[]");
assertEquals(PrimitiveType.intType(), declaration.getElementType());
}
@Test
public void getElementTypeIsOkayWithArrayDifferences() {
parseVariableDeclarationExpr("int a[],b[][]").getElementType();
}
@Test(expected = AssertionError.class)
public void getElementTypeFailsOnDodgySetterUsage() {
VariableDeclarationExpr declaration = parseVariableDeclarationExpr("int a,b");
declaration.getVariable(1).setType(String.class);
declaration.getElementType();
}
@Test(expected = AssertionError.class)
public void getElementTypeFailsOnInvalidEmptyVariableList() {
VariableDeclarationExpr declaration = parseVariableDeclarationExpr("int a");
declaration.getVariables().clear();
declaration.getElementType();
}
}
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