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/*
* Copyright 2000-2014 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.autodetect;
import com.intellij.openapi.editor.Document;
import com.intellij.psi.codeStyle.autodetect.*;
import com.intellij.testFramework.LightPlatformCodeInsightTestCase;
import com.intellij.testFramework.PlatformTestCase;
import com.intellij.testFramework.PlatformTestUtil;
import org.jetbrains.annotations.NotNull;
import org.junit.Assert;
import java.io.File;
import java.util.List;
public class IndentAutoDetectionTest extends LightPlatformCodeInsightTestCase {
private static final String BASE_PATH = "codeStyle/autodetect/";
static {
PlatformTestCase.initPlatformLangPrefix();
}
public void testSimpleIndent() {
doTestMaxUsedIndent(2, 6);
}
public void testManyComments() {
doTestMaxUsedIndent(2, 6);
}
public void testManyZeroRelativeIndent() {
doTestMaxUsedIndent(2);
}
public void testSpacesToNumbers() throws Exception {
String text = " i\n" +
" a\n" +
" t\n";
doTestLineToIndentMapping(text, 5, 4, 10);
}
public void testEmptyLines() throws Exception {
doTestLineToIndentMapping(" \n\n\n", -1, -1, -1);
}
public void testSpacesInSimpleClass() {
doTestLineToIndentMapping(
"public class A {\n" +
"\n" +
" public void test() {\n" +
" int a = 2;\n" +
" }\n" +
"\n" +
" public void a() {\n" +
" }\n" +
"}",
0, -1, 4, 6, 4, -1, 4, 4, 0
);
}
public void testComplexIndents() {
doTestLineToIndentMapping(
"class Test\n" +
"{\n" +
" int a;\n" +
" int b;\n" +
" \n" +
" public void test() {\n" +
" int c;\n" +
" }\n" +
" \n" +
" public void run() {\n" +
" Runnable runnable = new Runnable() {\n" +
" @Override\n" +
" public void run() {\n" +
" System.out.println(\"Hello!\");\n" +
" }\n" +
" };\n" +
" }\n" +
"}",
0, 0, 2, 2, -1, 2, 4, 2, -1, 2, 4, 6, 6, 8, 6, 4, 2, 0
);
}
public void doTestMaxUsedIndent(int indentExpected, int timesUsedExpected) {
IndentUsageInfo maxIndentExpected = new IndentUsageInfo(indentExpected, timesUsedExpected);
IndentUsageInfo indentInfo = getMaxUsedIndentInfo();
Assert.assertEquals("Indent size mismatch", maxIndentExpected.getIndentSize(), indentInfo.getIndentSize());
Assert.assertEquals("Indent size usage number mismatch", maxIndentExpected.getTimesUsed(), indentInfo.getTimesUsed());
}
public void doTestMaxUsedIndent(int indentExpected) {
IndentUsageInfo indentInfo = getMaxUsedIndentInfo();
Assert.assertEquals("Indent size mismatch", indentExpected, indentInfo.getIndentSize());
}
@NotNull
private IndentUsageInfo getMaxUsedIndentInfo() {
configureByFile(getTestName(true) + ".java");
Document document = getDocument(myFile);
List<LineIndentInfo> lines = new LineIndentInfoBuilder(document.getCharsSequence()).build();
IndentUsageStatistics statistics = new IndentUsageStatisticsImpl(lines);
return statistics.getKMostUsedIndentInfo(0);
}
private static void doTestLineToIndentMapping(@NotNull CharSequence text, int... spacesForLine) {
List<LineIndentInfo> list = new LineIndentInfoBuilder(text).build();
Assert.assertEquals(list.size(), spacesForLine.length);
for (int i = 0; i < spacesForLine.length; i++) {
int indentSize = list.get(i).getIndentSize();
Assert.assertEquals("Mismatch on line " + i, spacesForLine[i], indentSize);
}
}
@Override
@NotNull
public String getTestDataPath() {
return PlatformTestUtil.getCommunityPath().replace(File.separatorChar, '/')
+ "/platform/platform-tests/testData/"
+ BASE_PATH;
}
}
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