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Diffstat (limited to 'platform/platform-tests/testSrc/com/intellij/psi/autodetect/IndentAutoDetectionTest.java')
-rw-r--r-- | platform/platform-tests/testSrc/com/intellij/psi/autodetect/IndentAutoDetectionTest.java | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/platform/platform-tests/testSrc/com/intellij/psi/autodetect/IndentAutoDetectionTest.java b/platform/platform-tests/testSrc/com/intellij/psi/autodetect/IndentAutoDetectionTest.java new file mode 100644 index 000000000000..4b59416de0d9 --- /dev/null +++ b/platform/platform-tests/testSrc/com/intellij/psi/autodetect/IndentAutoDetectionTest.java @@ -0,0 +1,135 @@ +/* + * 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; + } +} |