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EmptyForIteratorPadCheckTest.java
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EmptyForIteratorPadCheckTest.java
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///////////////////////////////////////////////////////////////////////////////////////////////
// checkstyle: Checks Java source code and other text files for adherence to a set of rules.
// Copyright (C) 2001-2022 the original author or authors.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library 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.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
///////////////////////////////////////////////////////////////////////////////////////////////
package com.puppycrawl.tools.checkstyle.checks.whitespace;
import static com.google.common.truth.Truth.assertWithMessage;
import static com.puppycrawl.tools.checkstyle.checks.whitespace.EmptyForIteratorPadCheck.MSG_WS_FOLLOWED;
import static com.puppycrawl.tools.checkstyle.checks.whitespace.EmptyForIteratorPadCheck.MSG_WS_NOT_FOLLOWED;
import org.junit.jupiter.api.Test;
import com.puppycrawl.tools.checkstyle.AbstractModuleTestSupport;
import com.puppycrawl.tools.checkstyle.api.CheckstyleException;
import com.puppycrawl.tools.checkstyle.api.TokenTypes;
import com.puppycrawl.tools.checkstyle.utils.CommonUtil;
public class EmptyForIteratorPadCheckTest
extends AbstractModuleTestSupport {
@Override
protected String getPackageLocation() {
return "com/puppycrawl/tools/checkstyle/checks/whitespace/emptyforiteratorpad";
}
@Test
public void testGetRequiredTokens() {
final EmptyForIteratorPadCheck checkObj = new EmptyForIteratorPadCheck();
final int[] expected = {TokenTypes.FOR_ITERATOR};
assertWithMessage("Default required tokens are invalid")
.that(checkObj.getRequiredTokens())
.isEqualTo(expected);
}
@Test
public void testDefault() throws Exception {
final String[] expected = {
"30:32: " + getCheckMessage(MSG_WS_FOLLOWED, ";"),
"46:33: " + getCheckMessage(MSG_WS_FOLLOWED, ";"),
"58:12: " + getCheckMessage(MSG_WS_FOLLOWED, ";"),
};
verifyWithInlineConfigParser(
getPath("InputEmptyForIteratorPad.java"), expected);
}
@Test
public void testSpaceOption() throws Exception {
final String[] expected = {
"26:31: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, ";"),
};
verifyWithInlineConfigParser(
getPath("InputEmptyForIteratorPad1.java"), expected);
}
@Test
public void testWithEmoji() throws Exception {
final String[] expected = {
"24:40: " + getCheckMessage(MSG_WS_FOLLOWED, ";"),
};
verifyWithInlineConfigParser(
getPath("InputEmptyForIteratorPadWithEmoji.java"), expected);
}
@Test
public void testGetAcceptableTokens() {
final EmptyForIteratorPadCheck emptyForIteratorPadCheckObj = new EmptyForIteratorPadCheck();
final int[] actual = emptyForIteratorPadCheckObj.getAcceptableTokens();
final int[] expected = {
TokenTypes.FOR_ITERATOR,
};
assertWithMessage("Default acceptable tokens are invalid")
.that(actual)
.isEqualTo(expected);
}
@Test
public void testInvalidOption() throws Exception {
try {
final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
verifyWithInlineConfigParser(getPath("InputEmptyForIteratorPad2.java"), expected);
assertWithMessage("exception expected").fail();
}
catch (CheckstyleException ex) {
assertWithMessage("Invalid exception message")
.that(ex.getMessage())
.isEqualTo("cannot initialize module com.puppycrawl.tools.checkstyle.TreeWalker - "
+ "cannot initialize module com.puppycrawl.tools.checkstyle.checks."
+ "whitespace.EmptyForIteratorPadCheck - "
+ "Cannot set property 'option' to 'invalid_option'");
}
}
@Test
public void testTrimOptionProperty() throws Exception {
final String[] expected = {
"20:31: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, ";"),
};
verifyWithInlineConfigParser(
getPath("InputEmptyForIteratorPadToCheckTrimFunctionInOptionProperty.java"),
expected);
}
@Test
public void testUppercaseOptionProperty() throws Exception {
final String[] expected = {
"20:31: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, ";"),
};
verifyWithInlineConfigParser(
getPath("InputEmptyForIteratorPadToCheckUppercaseFunctionInOptionProperty.java"),
expected);
}
}