Java tutorial
/******************************************************************************* * Copyright 2011 Google Inc. All Rights Reserved. * * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * 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 krasa.formatter.eclipse; import java.util.Arrays; import java.util.Map; import krasa.formatter.JsniFormattingUtil; import krasa.formatter.plugin.Range; import org.eclipse.jdt.core.JavaCore; import org.eclipse.jdt.core.formatter.DefaultCodeFormatterConstants; import org.eclipse.jface.text.Document; import org.eclipse.jface.text.IDocument; import org.eclipse.text.edits.TextEdit; import org.eclipse.wst.jsdt.core.JavaScriptCore; import org.junit.Assert; import org.junit.Test; import com.google.gwt.eclipse.core.util.Util; /** * Test cases for the {@link com.google.gwt.eclipse.core.editors.java.JsniFormattingUtil} class. */ public class JsniFormattingUtilTest { private String[] testClass; @Test public void testFormat() throws Exception { // Use GWT indentation settings Map javaPrefs = TestUtils.getJavaProperties(); javaPrefs.put(DefaultCodeFormatterConstants.FORMATTER_INDENTATION_SIZE, "2"); javaPrefs.put(DefaultCodeFormatterConstants.FORMATTER_TAB_CHAR, JavaCore.SPACE); javaPrefs.put(DefaultCodeFormatterConstants.FORMATTER_TAB_SIZE, "2"); javaPrefs.put(DefaultCodeFormatterConstants.FORMATTER_BLANK_LINES_AT_BEGINNING_OF_METHOD_BODY, "0"); Map javaScriptPrefs = TestUtils.getJSProperties(); javaScriptPrefs.put( org.eclipse.wst.jsdt.core.formatter.DefaultCodeFormatterConstants.FORMATTER_INDENTATION_SIZE, "2"); javaScriptPrefs.put(org.eclipse.wst.jsdt.core.formatter.DefaultCodeFormatterConstants.FORMATTER_TAB_CHAR, JavaScriptCore.SPACE); javaScriptPrefs.put(org.eclipse.wst.jsdt.core.formatter.DefaultCodeFormatterConstants.FORMATTER_TAB_SIZE, "2"); javaScriptPrefs.put( org.eclipse.wst.jsdt.core.formatter.DefaultCodeFormatterConstants.FORMATTER_BLANK_LINES_AT_BEGINNING_OF_METHOD_BODY, "0"); // Get the IDocument for the test class IDocument document = new Document(createString(getTestClasses())); // Apply the formatting and test the result TextEdit formatEdit = JsniFormattingUtil.format(document, javaPrefs, javaScriptPrefs, new Range(0, document.get().length(), true)); formatEdit.apply(document); Assert.assertEquals(getFormattedDocument(), document.get()); System.err.println("---------------------------"); System.err.println(getFormattedDocument()); System.err.println("---------------------------"); System.err.println(document.get()); } protected String[] getTestClasses() { testClass = new String[] { "package com.hello.client;", "", "public class FormattingUtilTest {", "", " private static native void jsniMethod()/*-{", " var obj = @com.hello.client.FormattingUtilTest::new()();", " var x = 777;", "", " if (x == 777) {", " x += 207;", " alert(\"Hello!\");", " }", "", " var text = obj.@com.hello.client.FormattingUtilTest::toString()();", " }-*/;", "", " private static native void jsniMethodWithNoIndent()/*-{", "var obj = @com.hello.client.FormattingUtilTest::new()();", "var x = 777;", "", "if (x == 777) {", " x += 207;", " alert(\"Hello!\");", "}", "}-*/;", "", " private static native void jsniMethodWithExtraIndent()/*-{", " var obj = @com.hello.client.FormattingUtilTest::new()();", " var x = 777;", "", " if (x == 777) {", " x += 207;", " alert(\"Hello!\");", " }", "", " var text = obj.@com.hello.client.FormattingUtilTest::toString()();", " }-*/;", "", " private static native void jsniMethodWithStartTokenOnSeparateLine()", " /*-{", " var obj = @com.hello.client.FormattingUtilTest::new()();", " var x = 777;", " ", " if (x == 777) {", " x += 207;", " alert(\"Hello!\");", " }", "", " var text = obj.@com.hello.client.FormattingUtilTest::toString()();", " }-*/;", "", " private static native void jsniMethodWithOuterBlankLines()/*-{", "", "", " var obj = @com.hello.client.FormattingUtilTest::new()();", " var x = 777;", " ", " if (x == 777) {", " x += 207;", " alert(\"Hello!\");", " }", " ", " var text = obj.@com.hello.client.FormattingUtilTest::toString()();", " ", " ", " }-*/;", "", " private static native void emptyJsniMethod()/*-{}-*/;", "", " private static native void jsniMethodWithSpace() /*-{", " var x = 777;", " }-*/;", "", " private static native void jsniMethodWithDeclarationLineThatWraps(Object o,", " String s, int x)/*-{", " var x = 777;", " }-*/;", "", "}" }; return testClass; } public static String createString(String[] lines) { return Util.join(Arrays.asList(lines), "\n"); } private String getFormattedDocument() { return createString(new String[] { "package com.hello.client;", "", "public class FormattingUtilTest {", "", " private static native void jsniMethod()/*-{", " var obj = @com.hello.client.FormattingUtilTest::new()();", " var x = 777;", "", " if (x == 777) {", " x += 207;", " alert(\"Hello!\");", " }", "", " var text = obj.@com.hello.client.FormattingUtilTest::toString()();", " }-*/;", "", " private static native void jsniMethodWithNoIndent()/*-{", " var obj = @com.hello.client.FormattingUtilTest::new()();", " var x = 777;", "", " if (x == 777) {", " x += 207;", " alert(\"Hello!\");", " }", " }-*/;", "", " private static native void jsniMethodWithExtraIndent()/*-{", " var obj = @com.hello.client.FormattingUtilTest::new()();", " var x = 777;", "", " if (x == 777) {", " x += 207;", " alert(\"Hello!\");", " }", "", " var text = obj.@com.hello.client.FormattingUtilTest::toString()();", " }-*/;", "", " private static native void jsniMethodWithStartTokenOnSeparateLine()", " /*-{", " var obj = @com.hello.client.FormattingUtilTest::new()();", " var x = 777;", "", " if (x == 777) {", " x += 207;", " alert(\"Hello!\");", " }", "", " var text = obj.@com.hello.client.FormattingUtilTest::toString()();", " }-*/;", "", " private static native void jsniMethodWithOuterBlankLines()/*-{", "", " var obj = @com.hello.client.FormattingUtilTest::new()();", " var x = 777;", "", " if (x == 777) {", " x += 207;", " alert(\"Hello!\");", " }", "", " var text = obj.@com.hello.client.FormattingUtilTest::toString()();", "", " }-*/;", "", " private static native void emptyJsniMethod()/*-{}-*/;", "", " private static native void jsniMethodWithSpace() /*-{", " var x = 777;", " }-*/;", "", " private static native void jsniMethodWithDeclarationLineThatWraps(Object o,", " String s, int x)/*-{", " var x = 777;", " }-*/;", "", "}" }); } }