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RequireThisCheckTest.java
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RequireThisCheckTest.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.coding;
import static com.google.common.truth.Truth.assertWithMessage;
import static com.puppycrawl.tools.checkstyle.checks.coding.RequireThisCheck.MSG_METHOD;
import static com.puppycrawl.tools.checkstyle.checks.coding.RequireThisCheck.MSG_VARIABLE;
import java.io.File;
import java.lang.reflect.Constructor;
import java.util.Collection;
import java.util.Optional;
import java.util.SortedSet;
import org.antlr.v4.runtime.CommonToken;
import org.junit.jupiter.api.Test;
import com.puppycrawl.tools.checkstyle.AbstractModuleTestSupport;
import com.puppycrawl.tools.checkstyle.DetailAstImpl;
import com.puppycrawl.tools.checkstyle.JavaParser;
import com.puppycrawl.tools.checkstyle.api.DetailAST;
import com.puppycrawl.tools.checkstyle.api.TokenTypes;
import com.puppycrawl.tools.checkstyle.api.Violation;
import com.puppycrawl.tools.checkstyle.internal.utils.TestUtil;
import com.puppycrawl.tools.checkstyle.utils.CommonUtil;
public class RequireThisCheckTest extends AbstractModuleTestSupport {
@Override
protected String getPackageLocation() {
return "com/puppycrawl/tools/checkstyle/checks/coding/requirethis";
}
@Test
public void testIt() throws Exception {
final String[] expected = {
"20:9: " + getCheckMessage(MSG_VARIABLE, "i", ""),
"26:9: " + getCheckMessage(MSG_METHOD, "method1", ""),
"40:9: " + getCheckMessage(MSG_VARIABLE, "i", ""),
"58:13: " + getCheckMessage(MSG_VARIABLE, "z", ""),
"65:9: " + getCheckMessage(MSG_VARIABLE, "z", ""),
"122:9: " + getCheckMessage(MSG_VARIABLE, "i", ""),
"123:9: " + getCheckMessage(MSG_VARIABLE, "i", ""),
"124:9: " + getCheckMessage(MSG_METHOD, "instanceMethod", ""),
"130:13: " + getCheckMessage(MSG_METHOD, "instanceMethod", "Issue2240."),
"131:13: " + getCheckMessage(MSG_VARIABLE, "i", "Issue2240."),
"143:9: " + getCheckMessage(MSG_METHOD, "foo", ""),
"151:9: " + getCheckMessage(MSG_VARIABLE, "s", ""),
"177:16: " + getCheckMessage(MSG_VARIABLE, "a", ""),
"177:20: " + getCheckMessage(MSG_VARIABLE, "a", ""),
"177:24: " + getCheckMessage(MSG_VARIABLE, "a", ""),
"183:16: " + getCheckMessage(MSG_VARIABLE, "b", ""),
"183:20: " + getCheckMessage(MSG_VARIABLE, "b", ""),
"183:24: " + getCheckMessage(MSG_VARIABLE, "b", ""),
"211:25: " + getCheckMessage(MSG_VARIABLE, "field", ""),
};
verifyWithInlineConfigParser(
getPath("InputRequireThisEnumInnerClassesAndBugs.java"),
expected);
}
@Test
public void testMethodsOnly() throws Exception {
final String[] expected = {
"25:9: " + getCheckMessage(MSG_METHOD, "method1", ""),
"124:9: " + getCheckMessage(MSG_METHOD, "instanceMethod", ""),
"130:13: " + getCheckMessage(MSG_METHOD, "instanceMethod", "Issue22402."),
"143:9: " + getCheckMessage(MSG_METHOD, "foo", ""),
};
verifyWithInlineConfigParser(
getPath("InputRequireThisEnumInnerClassesAndBugs2.java"),
expected);
}
@Test
public void testFieldsOnly() throws Exception {
final String[] expected = {
"19:9: " + getCheckMessage(MSG_VARIABLE, "i", ""),
"39:9: " + getCheckMessage(MSG_VARIABLE, "i", ""),
"58:13: " + getCheckMessage(MSG_VARIABLE, "z", ""),
"65:9: " + getCheckMessage(MSG_VARIABLE, "z", ""),
"122:9: " + getCheckMessage(MSG_VARIABLE, "i", ""),
"123:9: " + getCheckMessage(MSG_VARIABLE, "i", ""),
"131:13: " + getCheckMessage(MSG_VARIABLE, "i", "Issue22403."),
"152:9: " + getCheckMessage(MSG_VARIABLE, "s", ""),
"179:16: " + getCheckMessage(MSG_VARIABLE, "a", ""),
"179:20: " + getCheckMessage(MSG_VARIABLE, "a", ""),
"179:24: " + getCheckMessage(MSG_VARIABLE, "a", ""),
"185:16: " + getCheckMessage(MSG_VARIABLE, "b", ""),
"185:20: " + getCheckMessage(MSG_VARIABLE, "b", ""),
"185:24: " + getCheckMessage(MSG_VARIABLE, "b", ""),
};
verifyWithInlineConfigParser(
getPath("InputRequireThisEnumInnerClassesAndBugs3.java"),
expected);
}
@Test
public void testFieldsInExpressions() throws Exception {
final String[] expected = {
"18:28: " + getCheckMessage(MSG_VARIABLE, "id", ""),
"19:28: " + getCheckMessage(MSG_VARIABLE, "length", ""),
"20:28: " + getCheckMessage(MSG_VARIABLE, "length", ""),
"21:26: " + getCheckMessage(MSG_VARIABLE, "length", ""),
"22:26: " + getCheckMessage(MSG_VARIABLE, "length", ""),
"23:25: " + getCheckMessage(MSG_VARIABLE, "length", ""),
"24:25: " + getCheckMessage(MSG_VARIABLE, "length", ""),
"25:26: " + getCheckMessage(MSG_VARIABLE, "length", ""),
"26:26: " + getCheckMessage(MSG_VARIABLE, "length", ""),
"27:33: " + getCheckMessage(MSG_VARIABLE, "b", ""),
"28:36: " + getCheckMessage(MSG_VARIABLE, "b", ""),
"29:26: " + getCheckMessage(MSG_VARIABLE, "length", ""),
"30:26: " + getCheckMessage(MSG_VARIABLE, "length", ""),
"31:28: " + getCheckMessage(MSG_VARIABLE, "length", ""),
"32:26: " + getCheckMessage(MSG_VARIABLE, "length", ""),
"33:26: " + getCheckMessage(MSG_VARIABLE, "length", ""),
"34:26: " + getCheckMessage(MSG_VARIABLE, "length", ""),
"35:31: " + getCheckMessage(MSG_VARIABLE, "b", ""),
"36:32: " + getCheckMessage(MSG_VARIABLE, "b", ""),
};
verifyWithInlineConfigParser(
getPath("InputRequireThisExpressions.java"),
expected);
}
@Test
public void testGenerics() throws Exception {
final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
verifyWithInlineConfigParser(
getPath("InputRequireThis15Extensions.java"), expected);
}
@Test
public void testGithubIssue41() throws Exception {
final String[] expected = {
"16:19: " + getCheckMessage(MSG_VARIABLE, "number", ""),
"17:16: " + getCheckMessage(MSG_METHOD, "other", ""),
};
verifyWithInlineConfigParser(
getPath("InputRequireThisSimple.java"),
expected);
}
@Test
public void testTokensNotNull() {
final RequireThisCheck check = new RequireThisCheck();
assertWithMessage("Acceptable tokens should not be null")
.that(check.getAcceptableTokens())
.isNotNull();
assertWithMessage("Default tokens should not be null")
.that(check.getDefaultTokens())
.isNotNull();
assertWithMessage("Required tokens should not be null")
.that(check.getRequiredTokens())
.isNotNull();
}
@Test
public void testWithAnonymousClass() throws Exception {
final String[] expected = {
"29:25: " + getCheckMessage(MSG_METHOD, "doSideEffect", ""),
"33:24: " + getCheckMessage(MSG_VARIABLE, "bar", "InputRequireThisAnonymousEmpty."),
"56:17: " + getCheckMessage(MSG_VARIABLE, "foobar", ""),
};
verifyWithInlineConfigParser(
getPath("InputRequireThisAnonymousEmpty.java"),
expected);
}
@Test
public void testDefaultSwitch() {
final RequireThisCheck check = new RequireThisCheck();
final DetailAstImpl ast = new DetailAstImpl();
ast.initialize(new CommonToken(TokenTypes.ENUM, "ENUM"));
check.visitToken(ast);
final SortedSet<Violation> violations = check.getViolations();
assertWithMessage("No exception violations expected")
.that(violations)
.isEmpty();
}
@Test
public void testValidateOnlyOverlappingFalse() throws Exception {
final String[] expected = {
"29:9: " + getCheckMessage(MSG_VARIABLE, "field1", ""),
"30:9: " + getCheckMessage(MSG_VARIABLE, "fieldFinal1", ""),
"31:9: " + getCheckMessage(MSG_VARIABLE, "fieldFinal2", ""),
"32:9: " + getCheckMessage(MSG_VARIABLE, "fieldFinal3", ""),
"36:9: " + getCheckMessage(MSG_VARIABLE, "fieldFinal1", ""),
"37:9: " + getCheckMessage(MSG_VARIABLE, "fieldFinal2", ""),
"38:9: " + getCheckMessage(MSG_VARIABLE, "fieldFinal3", ""),
"42:9: " + getCheckMessage(MSG_VARIABLE, "fieldFinal1", ""),
"46:9: " + getCheckMessage(MSG_VARIABLE, "fieldFinal3", ""),
"50:9: " + getCheckMessage(MSG_VARIABLE, "fieldFinal1", ""),
"52:9: " + getCheckMessage(MSG_VARIABLE, "field1", ""),
"54:9: " + getCheckMessage(MSG_VARIABLE, "fieldFinal3", ""),
"58:9: " + getCheckMessage(MSG_VARIABLE, "fieldFinal2", ""),
"59:9: " + getCheckMessage(MSG_VARIABLE, "fieldFinal3", ""),
"69:9: " + getCheckMessage(MSG_VARIABLE, "fieldFinal1", ""),
"70:9: " + getCheckMessage(MSG_VARIABLE, "fieldFinal2", ""),
"89:9: " + getCheckMessage(MSG_VARIABLE, "field1", ""),
"128:9: " + getCheckMessage(MSG_VARIABLE, "field1", ""),
"137:9: " + getCheckMessage(MSG_VARIABLE, "field1", ""),
"141:9: " + getCheckMessage(MSG_METHOD, "method1", ""),
"177:9: " + getCheckMessage(MSG_VARIABLE, "fieldFinal1", ""),
"178:9: " + getCheckMessage(MSG_VARIABLE, "fieldFinal2", ""),
"179:9: " + getCheckMessage(MSG_VARIABLE, "fieldFinal3", ""),
"181:9: " + getCheckMessage(MSG_VARIABLE, "field1", ""),
"185:9: " + getCheckMessage(MSG_VARIABLE, "fieldFinal1", ""),
"186:9: " + getCheckMessage(MSG_VARIABLE, "fieldFinal2", ""),
"187:9: " + getCheckMessage(MSG_VARIABLE, "fieldFinal3", ""),
"189:9: " + getCheckMessage(MSG_VARIABLE, "field1", ""),
"194:9: " + getCheckMessage(MSG_VARIABLE, "field1", ""),
"198:9: " + getCheckMessage(MSG_VARIABLE, "field1", ""),
"219:9: " + getCheckMessage(MSG_VARIABLE, "field1", ""),
"226:29: " + getCheckMessage(MSG_VARIABLE, "booleanField", ""),
"237:21: " + getCheckMessage(MSG_VARIABLE, "field1", ""),
"247:9: " + getCheckMessage(MSG_VARIABLE, "field1", ""),
"262:9: " + getCheckMessage(MSG_VARIABLE, "booleanField", ""),
"271:9: " + getCheckMessage(MSG_VARIABLE, "field1", ""),
"279:18: " + getCheckMessage(MSG_METHOD, "addSuf2F", ""),
"284:9: " + getCheckMessage(MSG_VARIABLE, "field1", ""),
"284:18: " + getCheckMessage(MSG_METHOD, "addSuf2F", ""),
"310:9: " + getCheckMessage(MSG_VARIABLE, "field1", ""),
"349:9: " + getCheckMessage(MSG_VARIABLE, "field1", ""),
"383:25: " + getCheckMessage(MSG_METHOD, "getAction", ""),
"385:20: " + getCheckMessage(MSG_METHOD, "processAction", ""),
"393:16: " + getCheckMessage(MSG_METHOD, "processAction", ""),
"499:22: " + getCheckMessage(MSG_VARIABLE, "add", ""),
};
verifyWithInlineConfigParser(
getPath("InputRequireThisValidateOnlyOverlappingFalse.java"), expected);
}
@Test
public void testValidateOnlyOverlappingTrue() throws Exception {
final String[] expected = {
"29:9: " + getCheckMessage(MSG_VARIABLE, "field1", ""),
"52:9: " + getCheckMessage(MSG_VARIABLE, "field1", ""),
"89:9: " + getCheckMessage(MSG_VARIABLE, "field1", ""),
"128:9: " + getCheckMessage(MSG_VARIABLE, "field1", ""),
"181:9: " + getCheckMessage(MSG_VARIABLE, "field1", ""),
"189:9: " + getCheckMessage(MSG_VARIABLE, "field1", ""),
"247:9: " + getCheckMessage(MSG_VARIABLE, "field1", ""),
"262:9: " + getCheckMessage(MSG_VARIABLE, "booleanField", ""),
"271:9: " + getCheckMessage(MSG_VARIABLE, "field1", ""),
"284:9: " + getCheckMessage(MSG_VARIABLE, "field1", ""),
"310:9: " + getCheckMessage(MSG_VARIABLE, "field1", ""),
"348:9: " + getCheckMessage(MSG_VARIABLE, "field1", ""),
};
verifyWithInlineConfigParser(
getPath("InputRequireThisValidateOnlyOverlappingTrue.java"), expected);
}
@Test
public void testValidateOnlyOverlappingTrue2() throws Exception {
final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
verifyWithInlineConfigParser(
getPath("InputRequireThisValidateOnlyOverlappingTrue2.java"), expected);
}
@Test
public void testReceiverParameter() throws Exception {
final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
verifyWithInlineConfigParser(
getPath("InputRequireThisReceiver.java"), expected);
}
@Test
public void testBraceAlone() throws Exception {
final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
verifyWithInlineConfigParser(
getPath("InputRequireThisBraceAlone.java"), expected);
}
@Test
public void testStatic() throws Exception {
final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
verifyWithInlineConfigParser(
getPath("InputRequireThisStatic.java"), expected);
}
@Test
public void testMethodReferences() throws Exception {
final String[] expected = {
"24:9: " + getCheckMessage(MSG_VARIABLE, "tags", ""),
};
verifyWithInlineConfigParser(
getPath("InputRequireThisMethodReferences.java"), expected);
}
@Test
public void testAllowLocalVars() throws Exception {
final String[] expected = {
"18:9: " + getCheckMessage(MSG_VARIABLE, "s1", ""),
"26:9: " + getCheckMessage(MSG_VARIABLE, "s1", ""),
"39:9: " + getCheckMessage(MSG_VARIABLE, "s2", ""),
"44:9: " + getCheckMessage(MSG_VARIABLE, "s2", ""),
"50:9: " + getCheckMessage(MSG_VARIABLE, "s2", ""),
"51:16: " + getCheckMessage(MSG_VARIABLE, "s1", ""),
};
verifyWithInlineConfigParser(
getPath("InputRequireThisAllowLocalVars.java"), expected);
}
@Test
public void testAllowLambdaParameters() throws Exception {
final String[] expected = {
"24:9: " + getCheckMessage(MSG_VARIABLE, "s1", ""),
"46:21: " + getCheckMessage(MSG_VARIABLE, "z", ""),
"71:29: " + getCheckMessage(MSG_VARIABLE, "a", ""),
"71:34: " + getCheckMessage(MSG_VARIABLE, "b", ""),
"81:17: " + getCheckMessage(MSG_VARIABLE, "thread", ""),
};
verifyWithInlineConfigParser(
getPath("InputRequireThisAllowLambdaParameters.java"), expected);
}
@Test
public void testTryWithResources() throws Exception {
final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
verifyWithInlineConfigParser(
getPath("InputRequireThisTryWithResources.java"), expected);
}
@Test
public void testTryWithResourcesOnlyOverlappingFalse() throws Exception {
final String[] expected = {
"44:23: " + getCheckMessage(MSG_VARIABLE, "fldCharset", ""),
"57:13: " + getCheckMessage(MSG_VARIABLE, "fldCharset", ""),
"69:45: " + getCheckMessage(MSG_METHOD, "methodToInvoke", ""),
"77:24: " + getCheckMessage(MSG_METHOD, "methodToInvoke", ""),
"103:51: " + getCheckMessage(MSG_VARIABLE, "fldBufferedReader", ""),
"107:23: " + getCheckMessage(MSG_VARIABLE, "fldBufferedReader", ""),
"107:54: " + getCheckMessage(MSG_VARIABLE, "fldScanner", ""),
"110:24: " + getCheckMessage(MSG_VARIABLE, "fldStreamReader", ""),
"111:23: " + getCheckMessage(MSG_VARIABLE, "fldBufferedReader", ""),
"111:54: " + getCheckMessage(MSG_VARIABLE, "fldScanner", ""),
};
verifyWithInlineConfigParser(
getPath("InputRequireThisTryWithResourcesOnlyOverlappingFalse.java"), expected);
}
@Test
public void testCatchVariables() throws Exception {
final String[] expected = {
"38:21: " + getCheckMessage(MSG_VARIABLE, "ex", ""),
};
verifyWithInlineConfigParser(
getPath("InputRequireThisCatchVariables.java"), expected);
}
@Test
public void testEnumConstant() throws Exception {
final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
verifyWithInlineConfigParser(
getPath("InputRequireThisEnumConstant.java"), expected);
}
@Test
public void testAnnotationInterface() throws Exception {
final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
verifyWithInlineConfigParser(
getPath("InputRequireThisAnnotationInterface.java"), expected);
}
@Test
public void testFor() throws Exception {
final String[] expected = {
"22:13: " + getCheckMessage(MSG_VARIABLE, "bottom", ""),
"30:34: " + getCheckMessage(MSG_VARIABLE, "name", ""),
};
verifyWithInlineConfigParser(
getPath("InputRequireThisFor.java"), expected);
}
@Test
public void testFinalInstanceVariable() throws Exception {
final String[] expected = {
"18:9: " + getCheckMessage(MSG_VARIABLE, "y", ""),
"19:9: " + getCheckMessage(MSG_VARIABLE, "z", ""),
};
verifyWithInlineConfigParser(
getPath("InputRequireThisFinalInstanceVariable.java"), expected);
}
@Test
public void test() throws Exception {
final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
verifyWithInlineConfigParser(
getPath("InputRequireThisCaseGroup.java"), expected);
}
@Test
public void testExtendedMethod() throws Exception {
final String[] expected = {
"31:9: " + getCheckMessage(MSG_VARIABLE, "EXPR", ""),
};
verifyWithInlineConfigParser(
getPath("InputRequireThisExtendedMethod.java"), expected);
}
@Test
public void testRecordsAndCompactCtors() throws Exception {
final String[] expected = {
"18:13: " + getCheckMessage(MSG_METHOD, "method1", ""),
"19:13: " + getCheckMessage(MSG_METHOD, "method2", ""),
"20:13: " + getCheckMessage(MSG_METHOD, "method3", ""),
"30:13: " + getCheckMessage(MSG_METHOD, "method1", ""),
"56:13: " + getCheckMessage(MSG_METHOD, "method1", ""),
"57:13: " + getCheckMessage(MSG_METHOD, "method2", ""),
"58:13: " + getCheckMessage(MSG_METHOD, "method3", ""),
"68:13: " + getCheckMessage(MSG_METHOD, "method1", ""),
};
verifyWithInlineConfigParser(
getNonCompilablePath("InputRequireThisRecordsAndCompactCtors.java"),
expected);
}
@Test
public void testRecordCompactCtors() throws Exception {
final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
verifyWithInlineConfigParser(
getNonCompilablePath("InputRequireThisRecordCompactCtors.java"),
expected);
}
@Test
public void testRecordsAsTopLevel() throws Exception {
final String[] expected = {
"17:9: " + getCheckMessage(MSG_METHOD, "method1", ""),
"18:9: " + getCheckMessage(MSG_METHOD, "method2", ""),
"19:9: " + getCheckMessage(MSG_METHOD, "method3", ""),
"26:9: " + getCheckMessage(MSG_METHOD, "method1", ""),
"30:21: " + getCheckMessage(MSG_VARIABLE, "x", ""),
"38:17: " + getCheckMessage(MSG_VARIABLE, "y", ""),
"45:9: " + getCheckMessage(MSG_METHOD, "method1", ""),
};
verifyWithInlineConfigParser(
getNonCompilablePath("InputRequireThisRecordAsTopLevel.java"),
expected);
}
@Test
public void testRecordsDefault() throws Exception {
final String[] expected = {
"26:9: " + getCheckMessage(MSG_VARIABLE, "x", ""),
};
verifyWithInlineConfigParser(
getNonCompilablePath("InputRequireThisRecordDefault.java"),
expected);
}
@Test
public void testRecordsWithCheckFields() throws Exception {
final String[] expected = {
"16:9: " + getCheckMessage(MSG_VARIABLE, "a", ""),
};
verifyWithInlineConfigParser(
getNonCompilablePath("InputRequireThisRecordsWithCheckFields.java"),
expected);
}
@Test
public void testLocalClassesInsideLambdas() throws Exception {
final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
verifyWithInlineConfigParser(
getPath("InputRequireThisLocalClassesInsideLambdas.java"),
expected);
}
@Test
public void testUnusedMethod() throws Exception {
final DetailAstImpl ident = new DetailAstImpl();
ident.setText("testName");
final Class<?> cls = Class.forName(RequireThisCheck.class.getName() + "$CatchFrame");
final Constructor<?> constructor = cls.getDeclaredConstructors()[0];
constructor.setAccessible(true);
final Object o = constructor.newInstance(null, ident);
final DetailAstImpl actual = TestUtil.invokeMethod(o, "getFrameNameIdent");
assertWithMessage("expected ident token")
.that(actual)
.isSameInstanceAs(ident);
assertWithMessage("expected catch frame type")
.that(TestUtil.invokeMethod(o, "getType").toString())
.isEqualTo("CATCH_FRAME");
}
/**
* We cannot reproduce situation when visitToken is called and leaveToken is not.
* So, we have to use reflection to be sure that even in such situation
* state of the field will be cleared.
*
* @throws Exception when code tested throws exception
*/
@Test
public void testClearState() throws Exception {
final RequireThisCheck check = new RequireThisCheck();
final DetailAST root = JavaParser.parseFile(
new File(getPath("InputRequireThisSimple.java")),
JavaParser.Options.WITHOUT_COMMENTS);
final Optional<DetailAST> classDef = TestUtil.findTokenInAstByPredicate(root,
ast -> ast.getType() == TokenTypes.CLASS_DEF);
assertWithMessage("Ast should contain CLASS_DEF")
.that(classDef.isPresent())
.isTrue();
assertWithMessage("State is not cleared on beginTree")
.that(TestUtil.isStatefulFieldClearedDuringBeginTree(check, classDef.get(),
"current", current -> ((Collection<?>) current).isEmpty()))
.isTrue();
}
}