/*
* Copyright 2000-2012 JetBrains s.r.o.
*
* 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.intellij.psi.formatter.java;
import com.intellij.psi.codeStyle.CommonCodeStyleSettings;
/**
* Is intended to hold specific java formatting tests for 'braces placement' settings (
* <code>Project Settings - Code Style - Alignment and Braces</code>).
*
* @author Denis Zhdanov
* @since Apr 27, 2010 6:39:24 PM
*/
public class JavaFormatterBracesTest extends AbstractJavaFormatterTest {
public void testBracePositioningAtPreviousLine() throws Exception {
// Inspired by IDEADEV-18529
doTextTest(
"public class TestBed\n" +
"{\n" +
" public void methodOne()\n" +
" {\n" +
" //code...\n" +
" }\n" +
"\n" +
" @SomeAnnotation\n" +
" <T extends Comparable> void methodTwo(T item) {\n" +
" //code...\n" +
" }\n" +
"\n" +
" private void methodThree(String s) {\n" +
" //code...\n" +
" }\n" +
"}",
"public class TestBed {\n" +
" public void methodOne() {\n" +
" //code...\n" +
" }\n" +
"\n" +
" @SomeAnnotation\n" +
" <T extends Comparable> void methodTwo(T item) {\n" +
" //code...\n" +
" }\n" +
"\n" +
" private void methodThree(String s) {\n" +
" //code...\n" +
" }\n" +
"}");
}
public void testSimpleBlockInOneLinesAndForceBraces() throws Exception {
// Inspired by IDEA-19328
getSettings().KEEP_SIMPLE_BLOCKS_IN_ONE_LINE = true;
getSettings().IF_BRACE_FORCE = CommonCodeStyleSettings.FORCE_BRACES_ALWAYS;
doMethodTest(
"if (x > y) System.out.println(\"foo!\");",
"if (x > y) { System.out.println(\"foo!\"); }"
);
}
public void testEnforcingBracesForExpressionEndingWithLineComment() throws Exception {
// Inspired by IDEA-57936
getSettings().IF_BRACE_FORCE = CommonCodeStyleSettings.FORCE_BRACES_ALWAYS;
doMethodTest(
"if (true) i = 1; // Cool if\n" +
"else i = 2;",
"if (true) {\n" +
" i = 1; // Cool if\n" +
"} else {\n" +
" i = 2;\n" +
"}"
);
}
public void testMoveBraceOnNextLineForAnnotatedMethod() throws Exception {
// Inspired by IDEA-59336
getSettings().METHOD_BRACE_STYLE = CommonCodeStyleSettings.NEXT_LINE;
getSettings().KEEP_SIMPLE_METHODS_IN_ONE_LINE = true;
doClassTest(
"@Override\n" +
"public int hashCode() {\n" +
"}\n" +
"@Deprecated\n" +
"void foo() {\n" +
"}",
"@Override\n" +
"public int hashCode()\n" +
"{\n" +
"}\n" +
"\n" +
"@Deprecated\n" +
"void foo()\n" +
"{\n" +
"}"
);
}
public void testKeepSimpleClassesAndInterfacesInOneLine() {
// Inspired by IDEA-65433
getSettings().KEEP_SIMPLE_CLASSES_IN_ONE_LINE = true;
String[] tests = {
"class Test {}",
"interface Test {}",
"class Test {\n" +
" void test() {\n" +
" new Object() {};\n" +
" }\n" +
"}",
"class Test {\n" +
" void test() {\n" +
" bind(new TypeLiteral<MyType>() {}).toProvider(MyProvider.class);\n" +
" }\n" +
"}"
};
for (String test : tests) {
doTextTest(test, test);
}
}
public void testKeepSimpleClassesInOneLineAndLeftBraceOnNextLine() throws Exception {
// Inspired by IDEA-75053.
getSettings().KEEP_SIMPLE_CLASSES_IN_ONE_LINE = true;
getSettings().CLASS_BRACE_STYLE = CommonCodeStyleSettings.NEXT_LINE;
String text =
"class Test\n" +
"{\n" +
" void foo() {\n" +
" bind(new TypeLiteral<MyType>() {}).toProvider(MyProvider.class);\n" +
" }\n" +
"}";
doTextTest(text, text);
}
public void testSimpleMethodsInOneLineEvenIfExceedsRightMargin() {
getSettings().KEEP_SIMPLE_METHODS_IN_ONE_LINE = true;
getSettings().RIGHT_MARGIN = 90;
String text = "public class Repr2 {\n" +
" public void start() { System.out.println(\"kfjsdkfjsdkfjskdjfslkdjfklsdjfklsdjfksjdfkljsdkfjsd!\"); }\n" +
"}";
doTextTest(text, text);
}
public void testKeepSimpleBlocksInOneLine_OnIfStatementsThenBlock() throws Exception {
getSettings().KEEP_SIMPLE_BLOCKS_IN_ONE_LINE = true;
String singleLine = "if (2 > 3) { System.out.println(\"AA!\"); }";
getSettings().BRACE_STYLE = CommonCodeStyleSettings.NEXT_LINE;
doMethodTest(singleLine, singleLine);
getSettings().BRACE_STYLE = CommonCodeStyleSettings.END_OF_LINE;
doMethodTest(singleLine, singleLine);
}
public void testKeepSimpleBlocksInOneLine_OnIfStatementsElseBlock() throws Exception {
getSettings().KEEP_SIMPLE_BLOCKS_IN_ONE_LINE = true;
String before = "if (2 > 3) {\n" +
" System.out.println(\"AA!\");\n" +
"} else { int a = 3; }";
String afterNextLineOption = "if (2 > 3)\n" +
"{\n" +
" System.out.println(\"AA!\");\n" +
"} else { int a = 3; }";
getSettings().BRACE_STYLE = CommonCodeStyleSettings.NEXT_LINE;
doMethodTest(before, afterNextLineOption);
getSettings().BRACE_STYLE = CommonCodeStyleSettings.END_OF_LINE;
doMethodTest(before, before);
}
public void testIfStatement_WhenBraceOnNextLine_AndKeepSimpleBlockInOneLineEnabled() throws Exception {
getSettings().KEEP_SIMPLE_BLOCKS_IN_ONE_LINE = true;
getSettings().BRACE_STYLE = CommonCodeStyleSettings.NEXT_LINE;
String before = "if (2 > 3) {\n" +
" System.out.println(\"AA!\");\n" +
"}";
String after = "if (2 > 3)\n" +
"{\n" +
" System.out.println(\"AA!\");\n" +
"}";
doMethodTest(before, after);
}
public void testIfStatementElseBranchIsOnNewLine() throws Exception {
getSettings().KEEP_SIMPLE_BLOCKS_IN_ONE_LINE = true;
getSettings().BRACE_STYLE = CommonCodeStyleSettings.NEXT_LINE;
String before = "if (2 > 3) {\n" +
" System.out.println(\"AA!\");\n" +
"} else {\n" +
" int a = 3;\n" +
"}";
String after = "if (2 > 3)\n" +
"{\n" +
" System.out.println(\"AA!\");\n" +
"} else\n" +
"{\n" +
" int a = 3;\n" +
"}";
doMethodTest(before, after);
}
public void testIfElseBranchesKeepedInOneLine() throws Exception {
getSettings().KEEP_SIMPLE_BLOCKS_IN_ONE_LINE = true;
getSettings().BRACE_STYLE = CommonCodeStyleSettings.NEXT_LINE;
String singleLine = "if (2 > 3) { System.out.println(\"AA!\"); } else { System.out.println(\"BBB!!\"); }";
String multiLine = "if (2 > 3) { System.out.println(\"AA!\"); }\n" +
"else { System.out.println(\"BBB!!\"); }";
getSettings().ELSE_ON_NEW_LINE = false;
doMethodTest(singleLine, singleLine);
doMethodTest(multiLine, singleLine);
getSettings().ELSE_ON_NEW_LINE = true;
doMethodTest(singleLine, multiLine);
doMethodTest(multiLine, multiLine);
}
public void testMethodBraceOnNextLineIfWrapped() {
getSettings().METHOD_BRACE_STYLE = CommonCodeStyleSettings.NEXT_LINE_IF_WRAPPED;
getSettings().METHOD_PARAMETERS_WRAP = CommonCodeStyleSettings.WRAP_AS_NEEDED;
getSettings().RIGHT_MARGIN = 50;
doClassTest(
"public static void main(int state, int column, int width, int rate) {\n" +
"}\n",
"public static void main(int state, int column,\n" +
" int width, int rate)\n" +
"{\n" +
"}\n"
);
}
public void testIDEA127110() {
getSettings().KEEP_SIMPLE_BLOCKS_IN_ONE_LINE = true;
getSettings().BRACE_STYLE = CommonCodeStyleSettings.NEXT_LINE_IF_WRAPPED;
doMethodTest(
"if ( 1 > 2) {\n" +
"\n" +
"} else {\n" +
"\n" +
"}\n" +
"\n" +
"try {\n" +
"\n" +
"} catch ( Exception e) {\n" +
"\n" +
"} finally {\n" +
"\n" +
"}",
"if (1 > 2) {\n" +
"\n" +
"} else {\n" +
"\n" +
"}\n" +
"\n" +
"try {\n" +
"\n" +
"} catch (Exception e) {\n" +
"\n" +
"} finally {\n" +
"\n" +
"}"
);
}
public void testConstructorLeftBraceWithComment() {
getSettings().METHOD_BRACE_STYLE = CommonCodeStyleSettings.NEXT_LINE_IF_WRAPPED;
doClassTest(
"/**\n" +
" *\n" +
" */\n" +
" public Test() {\n" +
"}\n",
"/**\n" +
" *\n" +
" */\n" +
"public Test() {\n" +
"}\n"
);
}
public void testConstructorLeftBraceWithAnnotation() {
getSettings().METHOD_BRACE_STYLE = CommonCodeStyleSettings.NEXT_LINE_IF_WRAPPED;
doClassTest(
" @Deprecated\n" +
"public Test() {\n" +
"}\n",
"@Deprecated\n" +
"public Test() {\n" +
"}\n"
);
}
public void testConstructorLeftBraceWithEndLineComment() {
getSettings().METHOD_BRACE_STYLE = CommonCodeStyleSettings.NEXT_LINE_IF_WRAPPED;
doClassTest(
"// comment\n" +
" public Test() {\n" +
"}\n",
"// comment\n" +
"public Test() {\n" +
"}\n"
);
}
public void testAnonClassCodeBlock_BracesIndented() {
getSettings().CLASS_BRACE_STYLE = CommonCodeStyleSettings.NEXT_LINE_SHIFTED;
doTextTest(
"class X {\n" +
" public void run() {\n" +
" Runnable a = new Runnable() {\n" +
" @Override\n" +
" public void run() {\n" +
" \n" +
" }\n" +
" };\n" +
" }\n" +
"}",
"class X\n" +
" {\n" +
" public void run() {\n" +
" Runnable a = new Runnable()\n" +
" {\n" +
" @Override\n" +
" public void run() {\n" +
"\n" +
" }\n" +
" };\n" +
" }\n" +
" }"
);
}
public void testMethodIsSimple_IfCodeBlockHasNoLinefeeds() {
getSettings().KEEP_SIMPLE_METHODS_IN_ONE_LINE = true;
doClassTest(
"public ModelAndView handleRequestInternalEmptyMulti(\n" +
" final HttpServletRequest httpServletRequest,\n" +
" final HttpServletResponse response)\n" +
" throws IOException {}",
"public ModelAndView handleRequestInternalEmptyMulti(\n" +
" final HttpServletRequest httpServletRequest,\n" +
" final HttpServletResponse response)\n" +
" throws IOException {}"
);
}
public void testLambdaBrace() {
getSettings().LAMBDA_BRACE_STYLE = CommonCodeStyleSettings.NEXT_LINE;
doMethodTest(
"Runnable r = () -> {\n" +
"};",
"Runnable r = () ->\n" +
"{\n" +
"};"
);
}
public void testLambdaBraceMoveToPrevLine() {
getSettings().LAMBDA_BRACE_STYLE = CommonCodeStyleSettings.END_OF_LINE;
getSettings().KEEP_LINE_BREAKS = false;
doMethodTest(
"Runnable r = () ->\n" +
"{\n" +
"};",
"Runnable r = () -> {\n" +
"};");
}
}