[eclipse-xtext/xtext#1952] converting test code to java

Signed-off-by: Christian Dietrich <[email protected]>

org.eclipse.xtext.tests/src/org/eclipse/xtext/formatting2/internal/CommentFormatterTest.java

@@ -0,0 +1,162 @@
+/**
+ * Copyright (c) 2017, 2021 TypeFox GmbH (http://www.typefox.io) and others.
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License 2.0 which is available at
+ * http://www.eclipse.org/legal/epl-2.0.
+ * 
+ * SPDX-License-Identifier: EPL-2.0
+ */
+package org.eclipse.xtext.formatting2.internal;
+
+import org.eclipse.xtext.formatting2.IFormattableDocument;
+import org.eclipse.xtext.formatting2.IHiddenRegionFormatter;
+import org.eclipse.xtext.formatting2.internal.formattertestlanguage.IDList;
+import org.eclipse.xtext.formatting2.internal.tests.FormatterTestLanguageInjectorProvider;
+import org.eclipse.xtext.formatting2.regionaccess.ITextRegionExtensions;
+import org.eclipse.xtext.testing.InjectWith;
+import org.eclipse.xtext.testing.XtextRunner;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import com.google.inject.Inject;
+
+/**
+ * @author Moritz Eysholdt - Initial contribution and API
+ */
+@RunWith(XtextRunner.class)
+@InjectWith(FormatterTestLanguageInjectorProvider.class)
+public class CommentFormatterTest {
+	public static class CustomFormatter extends GenericFormatter<IDList> {
+		@Override
+		public void format(IDList model, ITextRegionExtensions regionAccess, IFormattableDocument document) {
+			document.append(textRegionExtensions.regionFor(model).keyword("idlist"), (IHiddenRegionFormatter it) -> {
+				it.oneSpace();
+			});
+		}
+	}
+
+	@Inject
+	private GenericFormatterTester genericFormatterTester;
+
+	@Test
+	public void SL_inline() {
+		genericFormatterTester.assertFormatted((GenericFormatterTestRequest it) -> {
+			it.setFormatter(new CustomFormatter());
+			String model =
+					"idlist  //x\n" +
+					"a\n";
+			it.setToBeFormatted(model);
+			String expectation =
+					"idlist //x\n" +
+					"a\n";
+			it.setExpectation(expectation);
+		});
+	}
+
+	@Test
+	public void SL_multiline() {
+		genericFormatterTester.assertFormatted((GenericFormatterTestRequest it) -> {
+			it.setFormatter(new CustomFormatter());
+			String model =
+					"idlist  \n" +
+					"\n" +
+					"//x\n" +
+					"\n" +
+					"\n" +
+					"a\n";
+			it.setToBeFormatted(model);
+			String expectation =
+					"idlist //x\n" +
+					"a\n";
+			it.setExpectation(expectation);
+		});
+	}
+
+	@Test
+	public void MLSL_inline() {
+		genericFormatterTester.assertFormatted((GenericFormatterTestRequest it) -> {
+			it.setFormatter(new CustomFormatter());
+			String model = "idlist  /*x*/  a\n";
+			it.setToBeFormatted(model);
+			String expectation = "idlist /*x*/ a\n";
+			it.setExpectation(expectation);
+		});
+	}
+
+	@Test
+	public void MLSL_double_inline() {
+		genericFormatterTester.assertFormatted((GenericFormatterTestRequest it) -> {
+			it.setFormatter(new CustomFormatter());
+			String model = "idlist  /*x*//*y*/  a\n";
+			it.setToBeFormatted(model);
+			String expectation = "idlist /*x*/ /*y*/ a\n";
+			it.setExpectation(expectation);
+		});
+	}
+
+	@Test
+	public void MLSL_paragraph() {
+		genericFormatterTester.assertFormatted((GenericFormatterTestRequest it) -> {
+			it.setFormatter(new CustomFormatter());
+			String model =
+					"idlist\n" +
+					"\n" +
+					"\n" +
+					"/*x*/\n" +
+					"\n" +
+					"\n" +
+					"a\n";
+			it.setToBeFormatted(model);
+			String expectation =
+					"idlist /*x*/\n" +
+					"a\n";
+			it.setExpectation(expectation);
+		});
+	}
+
+	@Test
+	public void MLML_inline() {
+		genericFormatterTester.assertFormatted((GenericFormatterTestRequest it) -> {
+			it.setFormatter(new CustomFormatter());
+			String model =
+					"idlist  /*\n" +
+					"x\n" +
+					"*/  a\n";
+			it.setToBeFormatted(model);
+			String expectation =
+					"idlist\n" +
+					"/*\n" +
+					" * x\n" +
+					" */\n" +
+					"a\n";
+			it.setExpectation(expectation);
+		});
+	}
+
+	@Test
+	public void MLML_paragraph() {
+		genericFormatterTester.assertFormatted((GenericFormatterTestRequest it) -> {
+			it.setFormatter(new CustomFormatter());
+			String model =
+					"idlist\n" +
+					"\n" +
+					"\n" +
+					"/*\n" +
+					"x\n" +
+					"*/\n" +
+					"\n" +
+					"\n" +
+					"a\n";
+			it.setToBeFormatted(model);
+			String expectation = 
+					"idlist\n" +
+					"\n" +
+					"\n" +
+					"/*\n" +
+					" * x\n" +
+					" */\n" +
+					"a\n";
+			it.setExpectation(expectation);
+		});
+	}
+}