openide/java/java-tests/testSrc/com/intellij/codeInsight/JavaCommentByLineTest.java

// Copyright 2000-2022 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
package com.intellij.codeInsight;

import com.intellij.JavaTestUtil;
import com.intellij.codeInsight.folding.CodeFoldingManager;
import com.intellij.lang.java.JavaLanguage;
import com.intellij.openapi.actionSystem.IdeActions;
import com.intellij.psi.codeStyle.CommonCodeStyleSettings;
import com.intellij.testFramework.PlatformTestUtil;
import org.jetbrains.annotations.NotNull;

public class JavaCommentByLineTest extends CommentByLineTestBase {
  @Override
  protected @NotNull String getTestDataPath() {
    return JavaTestUtil.getJavaTestDataPath();
  }

  public void testJava1() {
    doTest();
  }

  public void testJava2() {
    doTest();
  }

  public void testJava3() {
    doTest();
  }

  public void testJava4() {
    getLanguageSettings(JavaLanguage.INSTANCE).LINE_COMMENT_AT_FIRST_COLUMN = false;
    doTest();
  }

  public void testJava5() {
    getLanguageSettings(JavaLanguage.INSTANCE).LINE_COMMENT_AT_FIRST_COLUMN = false;
    doTest();
  }

  public void testJava6() {

    getLanguageSettings(JavaLanguage.INSTANCE).LINE_COMMENT_AT_FIRST_COLUMN = false;
    doTest();
  }

  public void testJava_MulticaretSingleLine() {
    doTest();
  }
  public void testJava_MulticaretBlock() {
    doTest();
  }
  public void testJava_MulticaretUncommentSeveralBlocks() {
    doTest();
  }

  public void testJava_AddSpace() {
    CommonCodeStyleSettings settings = getLanguageSettings(JavaLanguage.INSTANCE);
    settings.LINE_COMMENT_AT_FIRST_COLUMN = false;
    settings.LINE_COMMENT_ADD_SPACE = true;
    doTest();
  }

  public void testJava_UncommentRemovingSpace() {
    getLanguageSettings(JavaLanguage.INSTANCE).LINE_COMMENT_ADD_SPACE = true;
    doTest();
  }

  public void testJava_CommentUncommentDoesNotAddSpacesOnEmptyLine() {
    getLanguageSettings(JavaLanguage.INSTANCE).LINE_COMMENT_AT_FIRST_COLUMN = false;
    doInvertedTest(1);
  }

  public void testFoldedOneLineMethod() {
    configureFromFileText(getTestName(false) + ".java",
                          "class C {\n" +
                          "  void m() {\n" +
                          "    <caret>System.out.println();\n" +
                          "  }\n" +
                          "}");
    CodeFoldingManager.getInstance(getProject()).buildInitialFoldings(getEditor());
    executeAction(IdeActions.ACTION_COLLAPSE_ALL_REGIONS);
    performAction();
    checkResultByText("class C {\n" +
                      "//  void m() {\n" +
                      "//    System.out.println();\n" +
                      "//  }\n" +
                      "}");
  }

  public void testFoldingAtSelectionEnd() {
    configureFromFileText(getTestName(false) + ".java",
                          "class C {\n" +
                          "<caret>  void m1() {\n" +
                          "    System.out.println();\n" +
                          "  }\n" +
                          "  void m2() {\n" +
                          "    System.out.println();\n" +
                          "  }\n" +
                          "}");
    CodeFoldingManager.getInstance(getProject()).buildInitialFoldings(getEditor());
    executeAction(IdeActions.ACTION_COLLAPSE_ALL_REGIONS);
    executeAction(IdeActions.ACTION_EDITOR_MOVE_CARET_DOWN_WITH_SELECTION);
    performAction();
    checkResultByText("class C {\n" +
                      "//  void m1() {\n" +
                      "//    System.out.println();\n" +
                      "//  }\n" +
                      "  void m2() {\n" +
                      "    System.out.println();\n" +
                      "  }\n" +
                      "}");
  }

  public void testJava_AlignedWithSmartTabs() {
    CommonCodeStyleSettings settings = getLanguageSettings(JavaLanguage.INSTANCE);
    settings.LINE_COMMENT_AT_FIRST_COLUMN = false;
    settings.getIndentOptions().USE_TAB_CHARACTER = true;
    settings.getIndentOptions().SMART_TABS = true;
    doTest();
  }

  public void testUncommentLargeFilePerformance() {
    StringBuilder source = new StringBuilder("class C {\n");
    for (int i = 0; i < 5000; i++) {
      source.append("    int value").append(i).append(";\n");
    }
    source.append("}");
    configureFromFileText(getTestName(false) + ".java", source.toString());
    executeAction(IdeActions.ACTION_SELECT_ALL);
    PlatformTestUtil.startPerformanceTest("Uncommenting large file", 2000, CommentByLineTestBase::performAction)
      .setup(CommentByLineTestBase::performAction)
      .assertTiming();
  }
}