formatter: fix missing space before instanceof

formatter/src/main/java/org/apache/royale/formatter/ASTokenFormatter.java

@@ -401,6 +401,7 @@ private String parseTokens(List<IASToken> tokens, String fileText, String filePa
 					}
 					case ASTokenTypes.TOKEN_KEYWORD_AS:
 					case ASTokenTypes.TOKEN_KEYWORD_IS:
+					case ASTokenTypes.TOKEN_KEYWORD_INSTANCEOF:
 					case ASTokenTypes.TOKEN_RESERVED_WORD_EACH:
 					case ASTokenTypes.TOKEN_RESERVED_WORD_EXTENDS:
 					case ASTokenTypes.TOKEN_RESERVED_WORD_IMPLEMENTS:

formatter/src/test/java/org/apache/royale/formatter/TestTypeOperators.java

@@ -0,0 +1,157 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+//  Licensed to the Apache Software Foundation (ASF) under one or more
+//  contributor license agreements.  See the NOTICE file distributed with
+//  this work for additional information regarding copyright ownership.
+//  The ASF licenses this file to You 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 org.apache.royale.formatter;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+
+public class TestTypeOperators extends BaseFormatterTests {
+	@Test
+	public void testInstanceofOperator() {
+		FormatterSettings settings = new FormatterSettings();
+		settings.insertSpaceBeforeAndAfterBinaryOperators = true;
+		settings.placeOpenBraceOnNewLine = true;
+		settings.insertSpaces = false;
+		ASTokenFormatter formatter = new ASTokenFormatter(settings);
+		String result = formatter.format("file.as",
+		// @formatter:off
+			"a instanceof b;",
+			// @formatter:on
+			problems
+		);
+		assertEquals(
+		// @formatter:off
+				"a instanceof b;",
+				// @formatter:on
+				result);
+	}
+	@Test
+	public void testInstanceofOperatorInParentheses() {
+		FormatterSettings settings = new FormatterSettings();
+		settings.insertSpaceBeforeAndAfterBinaryOperators = true;
+		settings.placeOpenBraceOnNewLine = true;
+		settings.insertSpaces = false;
+		ASTokenFormatter formatter = new ASTokenFormatter(settings);
+		String result = formatter.format("file.as",
+		// @formatter:off
+			"if (a instanceof b)\n" +
+			"{\n" +
+			"\tstatement;\n" +
+			"}",
+			// @formatter:on
+			problems
+		);
+		assertEquals(
+		// @formatter:off
+				"if (a instanceof b)\n" +
+				"{\n" +
+				"\tstatement;\n" +
+				"}",
+				// @formatter:on
+				result);
+	}
+
+	@Test
+	public void testIsOperator() {
+		FormatterSettings settings = new FormatterSettings();
+		settings.insertSpaceBeforeAndAfterBinaryOperators = true;
+		settings.placeOpenBraceOnNewLine = true;
+		settings.insertSpaces = false;
+		ASTokenFormatter formatter = new ASTokenFormatter(settings);
+		String result = formatter.format("file.as",
+		// @formatter:off
+			"a is b;",
+			// @formatter:on
+			problems
+		);
+		assertEquals(
+		// @formatter:off
+				"a is b;",
+				// @formatter:on
+				result);
+	}
+
+	@Test
+	public void testIsOperatorInIf() {
+		FormatterSettings settings = new FormatterSettings();
+		settings.insertSpaceBeforeAndAfterBinaryOperators = true;
+		settings.placeOpenBraceOnNewLine = true;
+		settings.insertSpaces = false;
+		ASTokenFormatter formatter = new ASTokenFormatter(settings);
+		String result = formatter.format("file.as",
+		// @formatter:off
+			"if (a is b)\n" +
+			"{\n" +
+			"\tstatement;\n" +
+			"}",
+			// @formatter:on
+			problems
+		);
+		assertEquals(
+		// @formatter:off
+				"if (a is b)\n" +
+				"{\n" +
+				"\tstatement;\n" +
+				"}",
+				// @formatter:on
+				result);
+	}
+
+	@Test
+	public void testAsOperator() {
+		FormatterSettings settings = new FormatterSettings();
+		settings.insertSpaceBeforeAndAfterBinaryOperators = true;
+		settings.placeOpenBraceOnNewLine = true;
+		settings.insertSpaces = false;
+		ASTokenFormatter formatter = new ASTokenFormatter(settings);
+		String result = formatter.format("file.as",
+		// @formatter:off
+			"a as b;",
+			// @formatter:on
+			problems
+		);
+		assertEquals(
+		// @formatter:off
+				"a as b;",
+				// @formatter:on
+				result);
+	}
+
+	@Test
+	public void testAsOperatorInAssignment() {
+		FormatterSettings settings = new FormatterSettings();
+		settings.insertSpaceBeforeAndAfterBinaryOperators = true;
+		settings.placeOpenBraceOnNewLine = true;
+		settings.insertSpaces = false;
+		ASTokenFormatter formatter = new ASTokenFormatter(settings);
+		String result = formatter.format("file.as",
+		// @formatter:off
+			"var c = a as b;",
+			// @formatter:on
+			problems
+		);
+		assertEquals(
+		// @formatter:off
+				"var c = a as b;",
+				// @formatter:on
+				result);
+	}
+}