Failed attempt to reproduce #1638 (I think we need spotless-format23.xml)

Author: nedtwigg

lib-extra/src/test/java/com/diffplug/spotless/extra/java/EclipseJdtFormatterStepSpecialCaseTest.java

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2016-2023 DiffPlug
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.diffplug.spotless.extra.java;
+
+import org.junit.jupiter.api.Test;
+
+import com.diffplug.spotless.StepHarness;
+import com.diffplug.spotless.TestProvisioner;
+
+public class EclipseJdtFormatterStepSpecialCaseTest {
+	/** https://github.com/diffplug/spotless/issues/1638 */
+	@Test
+	public void issue_1638() {
+		StepHarness.forStep(EclipseJdtFormatterStep.createBuilder(TestProvisioner.mavenCentral()).build())
+				.testUnaffected("java/eclipse/AbstractType.test");
+	}
+}

testlib/src/main/resources/java/eclipse/AbstractType.test

@@ -0,0 +1,54 @@
+package test;
+
+
+
+
+public abstract class AbstractType {
+
+
+    private String _typeName;
+
+    AbstractType(String typeName) {
+        _typeName = typeName;
+    }
+
+
+
+    private String _type() {
+        String name = getClass().getSimpleName();
+        return name.endsWith("Type")
+                ? name.substring(0, getClass().getSimpleName().length() - 4)
+                : name;
+    }
+
+    AbstractType argument() {
+        throw new UnsupportedOperationException(getClass().getSimpleName());
+    }
+
+
+    @Override
+    public boolean equals(Object another) {
+        if (this == another) {
+            return true;
+        }
+        return another instanceof AbstractType t
+                && _typeName.equals(t._typeName);
+    }
+
+
+
+    @Override
+    public int hashCode() {
+        return _typeName.hashCode();
+    }
+
+
+
+
+    @Override
+    public String toString() {
+        return getClass().getSimpleName() + "(typeName)";
+    }
+
+
+}