blob: 0d3275e061be3355316ef7765ade6f337ddc93e0 [file] [log] [blame]
/*******************************************************************************
* Copyright (c) 2000, 2020 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.ui.tests.quickfix;
import java.util.ArrayList;
import java.util.Hashtable;
import org.junit.After;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.eclipse.jdt.testplugin.JavaProjectHelper;
import org.eclipse.jdt.testplugin.TestOptions;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.IPackageFragment;
import org.eclipse.jdt.core.IPackageFragmentRoot;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jdt.core.formatter.DefaultCodeFormatterConstants;
import org.eclipse.jdt.internal.core.manipulation.CodeTemplateContextType;
import org.eclipse.jdt.internal.core.manipulation.StubUtility;
import org.eclipse.jdt.ui.PreferenceConstants;
import org.eclipse.jdt.ui.tests.core.rules.Java1d7ProjectTestSetup;
import org.eclipse.jdt.ui.tests.core.rules.ProjectTestSetup;
import org.eclipse.jdt.ui.text.java.IJavaCompletionProposal;
import org.eclipse.jdt.ui.text.java.correction.CUCorrectionProposal;
import org.eclipse.jdt.internal.ui.JavaPlugin;
/**
* Those tests should run on Java Dolphin 1.7 .
*/
public class LocalCorrectionsQuickFixTest1d7 extends QuickFixTest {
@Rule
public ProjectTestSetup projectSetup= new Java1d7ProjectTestSetup();
private IJavaProject fJProject1;
private IPackageFragmentRoot fSourceFolder;
@Before
public void setUp() throws Exception {
Hashtable<String, String> options= TestOptions.getDefaultOptions();
options.put(DefaultCodeFormatterConstants.FORMATTER_TAB_CHAR, JavaCore.SPACE);
options.put(DefaultCodeFormatterConstants.FORMATTER_TAB_SIZE, "4");
options.put(DefaultCodeFormatterConstants.FORMATTER_NUMBER_OF_EMPTY_LINES_TO_PRESERVE, String.valueOf(99));
options.put(JavaCore.COMPILER_PB_STATIC_ACCESS_RECEIVER, JavaCore.ERROR);
options.put(JavaCore.COMPILER_PB_UNCHECKED_TYPE_OPERATION, JavaCore.IGNORE);
options.put(JavaCore.COMPILER_PB_MISSING_HASHCODE_METHOD, JavaCore.WARNING);
options.put(JavaCore.COMPILER_PB_REDUNDANT_TYPE_ARGUMENTS, JavaCore.WARNING);
JavaCore.setOptions(options);
IPreferenceStore store= JavaPlugin.getDefault().getPreferenceStore();
store.setValue(PreferenceConstants.CODEGEN_ADD_COMMENTS, false);
StubUtility.setCodeTemplate(CodeTemplateContextType.CATCHBLOCK_ID, "", null);
StubUtility.setCodeTemplate(CodeTemplateContextType.CONSTRUCTORSTUB_ID, "", null);
StubUtility.setCodeTemplate(CodeTemplateContextType.METHODSTUB_ID, "", null);
fJProject1= projectSetup.getProject();
fSourceFolder= JavaProjectHelper.addSourceContainer(fJProject1, "src");
}
@After
public void tearDown() throws Exception {
JavaProjectHelper.clear(fJProject1, projectSetup.getDefaultClasspath());
}
@Test
public void testUncaughtExceptionUnionType() throws Exception {
IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileNotFoundException;\n");
buf.append("import java.io.IOException;\n");
buf.append("import java.io.InterruptedIOException;\n");
buf.append("public class E {\n");
buf.append(" void foo(int a) {\n");
buf.append(" try {\n");
buf.append(" if (a < 10)\n");
buf.append(" throw new FileNotFoundException();\n");
buf.append(" else if (a < 20)\n");
buf.append(" throw new InterruptedIOException();\n");
buf.append(" else\n");
buf.append(" throw new IOException();\n");
buf.append(" } catch (FileNotFoundException | InterruptedIOException ex) {\n");
buf.append(" ex.printStackTrace();\n");
buf.append(" } \n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= getASTRoot(cu);
ArrayList<IJavaCompletionProposal> proposals= collectCorrections(cu, astRoot);
assertNumberOfProposals(proposals, 3);
assertCorrectLabels(proposals);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileNotFoundException;\n");
buf.append("import java.io.IOException;\n");
buf.append("import java.io.InterruptedIOException;\n");
buf.append("public class E {\n");
buf.append(" void foo(int a) throws IOException {\n");
buf.append(" try {\n");
buf.append(" if (a < 10)\n");
buf.append(" throw new FileNotFoundException();\n");
buf.append(" else if (a < 20)\n");
buf.append(" throw new InterruptedIOException();\n");
buf.append(" else\n");
buf.append(" throw new IOException();\n");
buf.append(" } catch (FileNotFoundException | InterruptedIOException ex) {\n");
buf.append(" ex.printStackTrace();\n");
buf.append(" } \n");
buf.append(" }\n");
buf.append("}\n");
String expected1= buf.toString();
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileNotFoundException;\n");
buf.append("import java.io.IOException;\n");
buf.append("import java.io.InterruptedIOException;\n");
buf.append("public class E {\n");
buf.append(" void foo(int a) {\n");
buf.append(" try {\n");
buf.append(" if (a < 10)\n");
buf.append(" throw new FileNotFoundException();\n");
buf.append(" else if (a < 20)\n");
buf.append(" throw new InterruptedIOException();\n");
buf.append(" else\n");
buf.append(" throw new IOException();\n");
buf.append(" } catch (FileNotFoundException | InterruptedIOException ex) {\n");
buf.append(" ex.printStackTrace();\n");
buf.append(" } catch (IOException e) {\n");
buf.append(" } \n");
buf.append(" }\n");
buf.append("}\n");
String expected2= buf.toString();
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileNotFoundException;\n");
buf.append("import java.io.IOException;\n");
buf.append("import java.io.InterruptedIOException;\n");
buf.append("public class E {\n");
buf.append(" void foo(int a) {\n");
buf.append(" try {\n");
buf.append(" if (a < 10)\n");
buf.append(" throw new FileNotFoundException();\n");
buf.append(" else if (a < 20)\n");
buf.append(" throw new InterruptedIOException();\n");
buf.append(" else\n");
buf.append(" throw new IOException();\n");
buf.append(" } catch (FileNotFoundException | InterruptedIOException | IOException ex) {\n");
buf.append(" ex.printStackTrace();\n");
buf.append(" } \n");
buf.append(" }\n");
buf.append("}\n");
String expected3= buf.toString();
assertExpectedExistInProposals(proposals, new String[] { expected1, expected2, expected3 });
}
@Test
public void testUncaughtExceptionTryWithResources1() throws Exception {
IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileInputStream;\n");
buf.append("class MyException extends Exception {\n");
buf.append(" static final long serialVersionUID = 1L;\n");
buf.append("}\n");
buf.append("public class E {\n");
buf.append(" void bar(int n) throws IllegalArgumentException, MyException {\n");
buf.append(" if (n == 1)\n");
buf.append(" throw new IllegalArgumentException();\n");
buf.append(" else\n");
buf.append(" throw new MyException();\n");
buf.append(" }\n");
buf.append(" void foo(String name, boolean b) {\n");
buf.append(" try (FileInputStream fis = new FileInputStream(name)) {\n");
buf.append(" bar(1);\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= getASTRoot(cu);
ArrayList<IJavaCompletionProposal> proposals= collectCorrections(cu, astRoot, 3, 0); //quick fix on 1st problem
assertNumberOfProposals(proposals, 2);
assertCorrectLabels(proposals);
CUCorrectionProposal proposal= (CUCorrectionProposal)proposals.get(0);
String preview1= getPreviewContent(proposal);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileInputStream;\n");
buf.append("import java.io.FileNotFoundException;\n");
buf.append("import java.io.IOException;\n");
buf.append("class MyException extends Exception {\n");
buf.append(" static final long serialVersionUID = 1L;\n");
buf.append("}\n");
buf.append("public class E {\n");
buf.append(" void bar(int n) throws IllegalArgumentException, MyException {\n");
buf.append(" if (n == 1)\n");
buf.append(" throw new IllegalArgumentException();\n");
buf.append(" else\n");
buf.append(" throw new MyException();\n");
buf.append(" }\n");
buf.append(" void foo(String name, boolean b) throws FileNotFoundException, IOException {\n");
buf.append(" try (FileInputStream fis = new FileInputStream(name)) {\n");
buf.append(" bar(1);\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
String expected1= buf.toString();
proposal= (CUCorrectionProposal)proposals.get(1);
String preview2= getPreviewContent(proposal);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileInputStream;\n");
buf.append("import java.io.FileNotFoundException;\n");
buf.append("import java.io.IOException;\n");
buf.append("class MyException extends Exception {\n");
buf.append(" static final long serialVersionUID = 1L;\n");
buf.append("}\n");
buf.append("public class E {\n");
buf.append(" void bar(int n) throws IllegalArgumentException, MyException {\n");
buf.append(" if (n == 1)\n");
buf.append(" throw new IllegalArgumentException();\n");
buf.append(" else\n");
buf.append(" throw new MyException();\n");
buf.append(" }\n");
buf.append(" void foo(String name, boolean b) {\n");
buf.append(" try (FileInputStream fis = new FileInputStream(name)) {\n");
buf.append(" bar(1);\n");
buf.append(" } catch (FileNotFoundException e) {\n");
buf.append(" } catch (IOException e) {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
String expected2= buf.toString();
assertEqualStringsIgnoreOrder(new String[] { preview1, preview2 }, new String[] { expected1, expected2 });
}
@Test
public void testUncaughtExceptionTryWithResources2() throws Exception {
IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileInputStream;\n");
buf.append("class MyException extends Exception {\n");
buf.append(" static final long serialVersionUID = 1L;\n");
buf.append("}\n");
buf.append("public class E {\n");
buf.append(" void bar(int n) throws IllegalArgumentException, MyException {\n");
buf.append(" if (n == 1)\n");
buf.append(" throw new IllegalArgumentException();\n");
buf.append(" else\n");
buf.append(" throw new MyException();\n");
buf.append(" }\n");
buf.append(" void foo(String name, boolean b) {\n");
buf.append(" try (FileInputStream fis = new FileInputStream(name)) {\n");
buf.append(" bar(1);\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= getASTRoot(cu);
ArrayList<IJavaCompletionProposal> proposals= collectCorrections(cu, astRoot, 3, 1); //quick fix on 2nd problem
assertNumberOfProposals(proposals, 2);
assertCorrectLabels(proposals);
CUCorrectionProposal proposal= (CUCorrectionProposal)proposals.get(0);
String preview1= getPreviewContent(proposal);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileInputStream;\n");
buf.append("import java.io.FileNotFoundException;\n");
buf.append("import java.io.IOException;\n");
buf.append("class MyException extends Exception {\n");
buf.append(" static final long serialVersionUID = 1L;\n");
buf.append("}\n");
buf.append("public class E {\n");
buf.append(" void bar(int n) throws IllegalArgumentException, MyException {\n");
buf.append(" if (n == 1)\n");
buf.append(" throw new IllegalArgumentException();\n");
buf.append(" else\n");
buf.append(" throw new MyException();\n");
buf.append(" }\n");
buf.append(" void foo(String name, boolean b) throws FileNotFoundException, IOException {\n");
buf.append(" try (FileInputStream fis = new FileInputStream(name)) {\n");
buf.append(" bar(1);\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
String expected1= buf.toString();
proposal= (CUCorrectionProposal)proposals.get(1);
String preview2= getPreviewContent(proposal);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileInputStream;\n");
buf.append("import java.io.FileNotFoundException;\n");
buf.append("import java.io.IOException;\n");
buf.append("class MyException extends Exception {\n");
buf.append(" static final long serialVersionUID = 1L;\n");
buf.append("}\n");
buf.append("public class E {\n");
buf.append(" void bar(int n) throws IllegalArgumentException, MyException {\n");
buf.append(" if (n == 1)\n");
buf.append(" throw new IllegalArgumentException();\n");
buf.append(" else\n");
buf.append(" throw new MyException();\n");
buf.append(" }\n");
buf.append(" void foo(String name, boolean b) {\n");
buf.append(" try (FileInputStream fis = new FileInputStream(name)) {\n");
buf.append(" bar(1);\n");
buf.append(" } catch (FileNotFoundException e) {\n");
buf.append(" } catch (IOException e) {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
String expected2= buf.toString();
assertEqualStringsIgnoreOrder(new String[] { preview1, preview2 }, new String[] { expected1, expected2 });
}
@Test
public void testUncaughtExceptionTryWithResources3() throws Exception {
IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileInputStream;\n");
buf.append("class MyException extends Exception {\n");
buf.append(" static final long serialVersionUID = 1L;\n");
buf.append("}\n");
buf.append("public class E {\n");
buf.append(" void bar(int n) throws IllegalArgumentException, MyException {\n");
buf.append(" if (n == 1)\n");
buf.append(" throw new IllegalArgumentException();\n");
buf.append(" else\n");
buf.append(" throw new MyException();\n");
buf.append(" }\n");
buf.append(" void foo(String name, boolean b) {\n");
buf.append(" try (FileInputStream fis = new FileInputStream(name)) {\n");
buf.append(" bar(1);\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= getASTRoot(cu);
ArrayList<IJavaCompletionProposal> proposals= collectCorrections(cu, astRoot, 3, 2); //quick fix on 3rd problem
assertNumberOfProposals(proposals, 5);
assertCorrectLabels(proposals);
CUCorrectionProposal proposal= (CUCorrectionProposal)proposals.get(0);
String preview1= getPreviewContent(proposal);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileInputStream;\n");
buf.append("class MyException extends Exception {\n");
buf.append(" static final long serialVersionUID = 1L;\n");
buf.append("}\n");
buf.append("public class E {\n");
buf.append(" void bar(int n) throws IllegalArgumentException, MyException {\n");
buf.append(" if (n == 1)\n");
buf.append(" throw new IllegalArgumentException();\n");
buf.append(" else\n");
buf.append(" throw new MyException();\n");
buf.append(" }\n");
buf.append(" void foo(String name, boolean b) throws IllegalArgumentException, MyException {\n");
buf.append(" try (FileInputStream fis = new FileInputStream(name)) {\n");
buf.append(" bar(1);\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
String expected1= buf.toString();
proposal= (CUCorrectionProposal)proposals.get(1);
String preview2= getPreviewContent(proposal);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileInputStream;\n");
buf.append("class MyException extends Exception {\n");
buf.append(" static final long serialVersionUID = 1L;\n");
buf.append("}\n");
buf.append("public class E {\n");
buf.append(" void bar(int n) throws IllegalArgumentException, MyException {\n");
buf.append(" if (n == 1)\n");
buf.append(" throw new IllegalArgumentException();\n");
buf.append(" else\n");
buf.append(" throw new MyException();\n");
buf.append(" }\n");
buf.append(" void foo(String name, boolean b) {\n");
buf.append(" try (FileInputStream fis = new FileInputStream(name)) {\n");
buf.append(" bar(1);\n");
buf.append(" } catch (IllegalArgumentException e) {\n");
buf.append(" } catch (MyException e) {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
String expected2= buf.toString();
proposal= (CUCorrectionProposal)proposals.get(2);
String preview3= getPreviewContent(proposal);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileInputStream;\n");
buf.append("class MyException extends Exception {\n");
buf.append(" static final long serialVersionUID = 1L;\n");
buf.append("}\n");
buf.append("public class E {\n");
buf.append(" void bar(int n) throws IllegalArgumentException, MyException {\n");
buf.append(" if (n == 1)\n");
buf.append(" throw new IllegalArgumentException();\n");
buf.append(" else\n");
buf.append(" throw new MyException();\n");
buf.append(" }\n");
buf.append(" void foo(String name, boolean b) {\n");
buf.append(" try (FileInputStream fis = new FileInputStream(name)) {\n");
buf.append(" bar(1);\n");
buf.append(" } catch (IllegalArgumentException | MyException e) {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
String expected3= buf.toString();
proposal= (CUCorrectionProposal)proposals.get(3);
String preview4= getPreviewContent(proposal);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileInputStream;\n");
buf.append("class MyException extends Exception {\n");
buf.append(" static final long serialVersionUID = 1L;\n");
buf.append("}\n");
buf.append("public class E {\n");
buf.append(" void bar(int n) throws IllegalArgumentException, MyException {\n");
buf.append(" if (n == 1)\n");
buf.append(" throw new IllegalArgumentException();\n");
buf.append(" else\n");
buf.append(" throw new MyException();\n");
buf.append(" }\n");
buf.append(" void foo(String name, boolean b) {\n");
buf.append(" try (FileInputStream fis = new FileInputStream(name)) {\n");
buf.append(" try {\n");
buf.append(" bar(1);\n");
buf.append(" } catch (IllegalArgumentException e) {\n");
buf.append(" } catch (MyException e) {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
String expected4= buf.toString();
proposal= (CUCorrectionProposal)proposals.get(4);
String preview5= getPreviewContent(proposal);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileInputStream;\n");
buf.append("class MyException extends Exception {\n");
buf.append(" static final long serialVersionUID = 1L;\n");
buf.append("}\n");
buf.append("public class E {\n");
buf.append(" void bar(int n) throws IllegalArgumentException, MyException {\n");
buf.append(" if (n == 1)\n");
buf.append(" throw new IllegalArgumentException();\n");
buf.append(" else\n");
buf.append(" throw new MyException();\n");
buf.append(" }\n");
buf.append(" void foo(String name, boolean b) {\n");
buf.append(" try (FileInputStream fis = new FileInputStream(name)) {\n");
buf.append(" try {\n");
buf.append(" bar(1);\n");
buf.append(" } catch (IllegalArgumentException | MyException e) {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
String expected5= buf.toString();
assertEqualStringsIgnoreOrder(new String[] { preview1, preview2, preview3, preview4, preview5 }, new String[] { expected1, expected2, expected3, expected4, expected5 });
}
@Test
public void testUncaughtExceptionTryWithResources4() throws Exception {
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=351464
IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileInputStream;\n");
buf.append("import java.io.IOException;\n");
buf.append("class MyException extends Exception {\n");
buf.append(" static final long serialVersionUID = 1L;\n");
buf.append("}\n");
buf.append("public class E {\n");
buf.append(" void bar() throws MyException {\n");
buf.append(" throw new MyException();\n");
buf.append(" }\n");
buf.append(" void foo(String name, boolean b) throws IOException {\n");
buf.append(" try (FileInputStream fis = new FileInputStream(name)) {\n");
buf.append(" bar();\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= getASTRoot(cu);
ArrayList<IJavaCompletionProposal> proposals= collectCorrections(cu, astRoot);
assertNumberOfProposals(proposals, 3);
assertCorrectLabels(proposals);
CUCorrectionProposal proposal= (CUCorrectionProposal)proposals.get(0);
String preview1= getPreviewContent(proposal);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileInputStream;\n");
buf.append("import java.io.IOException;\n");
buf.append("class MyException extends Exception {\n");
buf.append(" static final long serialVersionUID = 1L;\n");
buf.append("}\n");
buf.append("public class E {\n");
buf.append(" void bar() throws MyException {\n");
buf.append(" throw new MyException();\n");
buf.append(" }\n");
buf.append(" void foo(String name, boolean b) throws IOException, MyException {\n");
buf.append(" try (FileInputStream fis = new FileInputStream(name)) {\n");
buf.append(" bar();\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
String expected1= buf.toString();
proposal= (CUCorrectionProposal)proposals.get(1);
String preview2= getPreviewContent(proposal);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileInputStream;\n");
buf.append("import java.io.IOException;\n");
buf.append("class MyException extends Exception {\n");
buf.append(" static final long serialVersionUID = 1L;\n");
buf.append("}\n");
buf.append("public class E {\n");
buf.append(" void bar() throws MyException {\n");
buf.append(" throw new MyException();\n");
buf.append(" }\n");
buf.append(" void foo(String name, boolean b) throws IOException {\n");
buf.append(" try (FileInputStream fis = new FileInputStream(name)) {\n");
buf.append(" bar();\n");
buf.append(" } catch (MyException e) {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
String expected2= buf.toString();
proposal= (CUCorrectionProposal)proposals.get(2);
String preview3= getPreviewContent(proposal);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileInputStream;\n");
buf.append("import java.io.IOException;\n");
buf.append("class MyException extends Exception {\n");
buf.append(" static final long serialVersionUID = 1L;\n");
buf.append("}\n");
buf.append("public class E {\n");
buf.append(" void bar() throws MyException {\n");
buf.append(" throw new MyException();\n");
buf.append(" }\n");
buf.append(" void foo(String name, boolean b) throws IOException {\n");
buf.append(" try (FileInputStream fis = new FileInputStream(name)) {\n");
buf.append(" try {\n");
buf.append(" bar();\n");
buf.append(" } catch (MyException e) {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
String expected3= buf.toString();
assertEqualStringsIgnoreOrder(new String[] { preview1, preview2, preview3 }, new String[] { expected1, expected2, expected3 });
}
@Test
public void testUncaughtExceptionTryWithResources5() throws Exception {
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=139231
IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileInputStream;\n");
buf.append("public class E {\n");
buf.append(" void foo(String name, boolean b) {\n");
buf.append(" String e;\n");
buf.append(" try (FileInputStream fis = new FileInputStream(name)) {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= getASTRoot(cu);
ArrayList<IJavaCompletionProposal> proposals= collectCorrections(cu, astRoot, 2, 0); //quick fix on 1st problem
assertNumberOfProposals(proposals, 2);
assertCorrectLabels(proposals);
CUCorrectionProposal proposal= (CUCorrectionProposal)proposals.get(0);
String preview1= getPreviewContent(proposal);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileInputStream;\n");
buf.append("import java.io.FileNotFoundException;\n");
buf.append("import java.io.IOException;\n");
buf.append("public class E {\n");
buf.append(" void foo(String name, boolean b) throws FileNotFoundException, IOException {\n");
buf.append(" String e;\n");
buf.append(" try (FileInputStream fis = new FileInputStream(name)) {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
String expected1= buf.toString();
proposal= (CUCorrectionProposal)proposals.get(1);
String preview2= getPreviewContent(proposal);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileInputStream;\n");
buf.append("import java.io.FileNotFoundException;\n");
buf.append("import java.io.IOException;\n");
buf.append("public class E {\n");
buf.append(" void foo(String name, boolean b) {\n");
buf.append(" String e;\n");
buf.append(" try (FileInputStream fis = new FileInputStream(name)) {\n");
buf.append(" } catch (FileNotFoundException e1) {\n");
buf.append(" } catch (IOException e1) {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
String expected2= buf.toString();
assertEqualStringsIgnoreOrder(new String[] { preview1, preview2 }, new String[] { expected1, expected2 });
}
@Test
public void testUncaughtExceptionTryWithResources6() throws Exception {
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=478714
IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("\n");
buf.append("import java.io.ByteArrayInputStream;\n");
buf.append("import java.io.IOException;\n");
buf.append("import java.io.InputStream;\n");
buf.append("\n");
buf.append("public class E {\n");
buf.append(" public static void main(String[] args) {\n");
buf.append(" try (InputStream foo = new ByteArrayInputStream(\"foo\".getBytes(\"UTF-8\"))) {\n");
buf.append(" String bla = new String(ByteStreams.toByteArray(foo), \"UTF-8\");\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
buf.append("\n");
buf.append("class ByteStreams {\n");
buf.append(" public static byte[] toByteArray(InputStream foo) throws IOException, ArithmeticException {\n");
buf.append(" return null;\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= getASTRoot(cu);
ArrayList<IJavaCompletionProposal> proposals= collectCorrections(cu, astRoot, 4, 2);
assertNumberOfProposals(proposals, 5);
assertCorrectLabels(proposals);
CUCorrectionProposal proposal= (CUCorrectionProposal) proposals.get(0);
String preview1= getPreviewContent(proposal);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("\n");
buf.append("import java.io.ByteArrayInputStream;\n");
buf.append("import java.io.IOException;\n");
buf.append("import java.io.InputStream;\n");
buf.append("import java.io.UnsupportedEncodingException;\n");
buf.append("\n");
buf.append("public class E {\n");
buf.append(" public static void main(String[] args) throws UnsupportedEncodingException, ArithmeticException, IOException {\n");
buf.append(" try (InputStream foo = new ByteArrayInputStream(\"foo\".getBytes(\"UTF-8\"))) {\n");
buf.append(" String bla = new String(ByteStreams.toByteArray(foo), \"UTF-8\");\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
buf.append("\n");
buf.append("class ByteStreams {\n");
buf.append(" public static byte[] toByteArray(InputStream foo) throws IOException, ArithmeticException {\n");
buf.append(" return null;\n");
buf.append(" }\n");
buf.append("}\n");
String expected1= buf.toString();
proposal= (CUCorrectionProposal) proposals.get(1);
String preview2= getPreviewContent(proposal);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("\n");
buf.append("import java.io.ByteArrayInputStream;\n");
buf.append("import java.io.IOException;\n");
buf.append("import java.io.InputStream;\n");
buf.append("import java.io.UnsupportedEncodingException;\n");
buf.append("\n");
buf.append("public class E {\n");
buf.append(" public static void main(String[] args) {\n");
buf.append(" try (InputStream foo = new ByteArrayInputStream(\"foo\".getBytes(\"UTF-8\"))) {\n");
buf.append(" String bla = new String(ByteStreams.toByteArray(foo), \"UTF-8\");\n");
buf.append(" } catch (UnsupportedEncodingException e) {\n");
buf.append(" } catch (ArithmeticException e) {\n");
buf.append(" } catch (IOException e) {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
buf.append("\n");
buf.append("class ByteStreams {\n");
buf.append(" public static byte[] toByteArray(InputStream foo) throws IOException, ArithmeticException {\n");
buf.append(" return null;\n");
buf.append(" }\n");
buf.append("}\n");
String expected2= buf.toString();
proposal= (CUCorrectionProposal) proposals.get(2);
String preview3= getPreviewContent(proposal);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("\n");
buf.append("import java.io.ByteArrayInputStream;\n");
buf.append("import java.io.IOException;\n");
buf.append("import java.io.InputStream;\n");
buf.append("\n");
buf.append("public class E {\n");
buf.append(" public static void main(String[] args) {\n");
buf.append(" try (InputStream foo = new ByteArrayInputStream(\"foo\".getBytes(\"UTF-8\"))) {\n");
buf.append(" String bla = new String(ByteStreams.toByteArray(foo), \"UTF-8\");\n");
buf.append(" } catch (ArithmeticException | IOException e) {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
buf.append("\n");
buf.append("class ByteStreams {\n");
buf.append(" public static byte[] toByteArray(InputStream foo) throws IOException, ArithmeticException {\n");
buf.append(" return null;\n");
buf.append(" }\n");
buf.append("}\n");
String expected3= buf.toString();
proposal= (CUCorrectionProposal) proposals.get(3);
String preview4= getPreviewContent(proposal);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("\n");
buf.append("import java.io.ByteArrayInputStream;\n");
buf.append("import java.io.IOException;\n");
buf.append("import java.io.InputStream;\n");
buf.append("\n");
buf.append("public class E {\n");
buf.append(" public static void main(String[] args) {\n");
buf.append(" try (InputStream foo = new ByteArrayInputStream(\"foo\".getBytes(\"UTF-8\"))) {\n");
buf.append(" try {\n");
buf.append(" String bla = new String(ByteStreams.toByteArray(foo), \"UTF-8\");\n");
buf.append(" } catch (ArithmeticException | IOException e) {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
buf.append("\n");
buf.append("class ByteStreams {\n");
buf.append(" public static byte[] toByteArray(InputStream foo) throws IOException, ArithmeticException {\n");
buf.append(" return null;\n");
buf.append(" }\n");
buf.append("}\n");
String expected4= buf.toString();
proposal= (CUCorrectionProposal) proposals.get(4);
String preview5= getPreviewContent(proposal);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("\n");
buf.append("import java.io.ByteArrayInputStream;\n");
buf.append("import java.io.IOException;\n");
buf.append("import java.io.InputStream;\n");
buf.append("import java.io.UnsupportedEncodingException;\n");
buf.append("\n");
buf.append("public class E {\n");
buf.append(" public static void main(String[] args) {\n");
buf.append(" try (InputStream foo = new ByteArrayInputStream(\"foo\".getBytes(\"UTF-8\"))) {\n");
buf.append(" try {\n");
buf.append(" String bla = new String(ByteStreams.toByteArray(foo), \"UTF-8\");\n");
buf.append(" } catch (UnsupportedEncodingException e) {\n");
buf.append(" } catch (ArithmeticException e) {\n");
buf.append(" } catch (IOException e) {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
buf.append("\n");
buf.append("class ByteStreams {\n");
buf.append(" public static byte[] toByteArray(InputStream foo) throws IOException, ArithmeticException {\n");
buf.append(" return null;\n");
buf.append(" }\n");
buf.append("}\n");
String expected5= buf.toString();
assertEqualStringsIgnoreOrder(new String[] { preview1, preview2, preview3, preview4, preview5 }, new String[] { expected1, expected2, expected3, expected4, expected5 });
}
@Test
public void testUnneededCaughtException1() throws Exception {
IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileNotFoundException;\n");
buf.append("import java.io.IOException;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" try {\n");
buf.append(" throw new FileNotFoundException();\n");
buf.append(" } catch (FileNotFoundException | IOException e) {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= getASTRoot(cu);
ArrayList<IJavaCompletionProposal> proposals= collectCorrections(cu, astRoot);
assertNumberOfProposals(proposals, 2);
assertCorrectLabels(proposals);
CUCorrectionProposal proposal= (CUCorrectionProposal)proposals.get(0);
String preview1= getPreviewContent(proposal);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileNotFoundException;\n");
buf.append("import java.io.IOException;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" try {\n");
buf.append(" throw new FileNotFoundException();\n");
buf.append(" } catch (IOException e) {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
String expected1= buf.toString();
proposal= (CUCorrectionProposal)proposals.get(1);
String preview2= getPreviewContent(proposal);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileNotFoundException;\n");
buf.append("import java.io.IOException;\n");
buf.append("public class E {\n");
buf.append(" public void foo() throws FileNotFoundException {\n");
buf.append(" try {\n");
buf.append(" throw new FileNotFoundException();\n");
buf.append(" } catch (IOException e) {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
String expected2= buf.toString();
assertEqualStringsIgnoreOrder(new String[] { preview1, preview2 }, new String[] { expected1, expected2 });
}
@Test
public void testUnneededCaughtException2() throws Exception {
IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileNotFoundException;\n");
buf.append("import java.io.IOException;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" try {\n");
buf.append(" throw new FileNotFoundException();\n");
buf.append(" } catch (java.io.FileNotFoundException | java.io.IOException e) {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= getASTRoot(cu);
ArrayList<IJavaCompletionProposal> proposals= collectCorrections(cu, astRoot);
assertNumberOfProposals(proposals, 2);
assertCorrectLabels(proposals);
CUCorrectionProposal proposal= (CUCorrectionProposal)proposals.get(0);
String preview1= getPreviewContent(proposal);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileNotFoundException;\n");
buf.append("import java.io.IOException;\n");
buf.append("public class E {\n");
buf.append(" public void foo() {\n");
buf.append(" try {\n");
buf.append(" throw new FileNotFoundException();\n");
buf.append(" } catch (java.io.IOException e) {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
String expected1= buf.toString();
proposal= (CUCorrectionProposal)proposals.get(1);
String preview2= getPreviewContent(proposal);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileNotFoundException;\n");
buf.append("import java.io.IOException;\n");
buf.append("public class E {\n");
buf.append(" public void foo() throws java.io.FileNotFoundException {\n");
buf.append(" try {\n");
buf.append(" throw new FileNotFoundException();\n");
buf.append(" } catch (java.io.IOException e) {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
String expected2= buf.toString();
assertEqualStringsIgnoreOrder(new String[] { preview1, preview2 }, new String[] { expected1, expected2 });
}
@Test
public void testUnneededCatchBlockTryWithResources() throws Exception {
IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileReader;\n");
buf.append("class MyException extends Exception {\n");
buf.append(" static final long serialVersionUID = 1L;\n");
buf.append("}\n");
buf.append("public class E {\n");
buf.append(" void foo() throws Exception {\n");
buf.append(" try (FileReader reader1 = new FileReader(\"file\")) {\n");
buf.append(" int ch;\n");
buf.append(" while ((ch = reader1.read()) != -1) {\n");
buf.append(" System.out.println(ch);\n");
buf.append(" }\n");
buf.append(" } catch (MyException e) {\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= getASTRoot(cu);
ArrayList<IJavaCompletionProposal> proposals= collectCorrections(cu, astRoot);
assertNumberOfProposals(proposals, 2);
assertCorrectLabels(proposals);
CUCorrectionProposal proposal= (CUCorrectionProposal)proposals.get(0);
String preview1= getPreviewContent(proposal);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileReader;\n");
buf.append("class MyException extends Exception {\n");
buf.append(" static final long serialVersionUID = 1L;\n");
buf.append("}\n");
buf.append("public class E {\n");
buf.append(" void foo() throws Exception {\n");
buf.append(" try (FileReader reader1 = new FileReader(\"file\")) {\n");
buf.append(" int ch;\n");
buf.append(" while ((ch = reader1.read()) != -1) {\n");
buf.append(" System.out.println(ch);\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
String expected1= buf.toString();
proposal= (CUCorrectionProposal)proposals.get(1);
String preview2= getPreviewContent(proposal);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.io.FileReader;\n");
buf.append("class MyException extends Exception {\n");
buf.append(" static final long serialVersionUID = 1L;\n");
buf.append("}\n");
buf.append("public class E {\n");
buf.append(" void foo() throws Exception {\n");
buf.append(" try (FileReader reader1 = new FileReader(\"file\")) {\n");
buf.append(" int ch;\n");
buf.append(" while ((ch = reader1.read()) != -1) {\n");
buf.append(" System.out.println(ch);\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append(" }\n");
buf.append("}\n");
String expected2= buf.toString();
assertEqualStringsIgnoreOrder(new String[] { preview1, preview2 }, new String[] { expected1, expected2 });
}
@Test
public void testRemoveRedundantTypeArguments1() throws Exception {
IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.util.ArrayList;\n");
buf.append("import java.util.List;\n");
buf.append("public class E {\n");
buf.append(" void foo() {\n");
buf.append(" List<String> a = new ArrayList<java.lang.String>();\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= getASTRoot(cu);
ArrayList<IJavaCompletionProposal> proposals= collectCorrections(cu, astRoot);
assertNumberOfProposals(proposals, 4);
assertCorrectLabels(proposals);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.util.ArrayList;\n");
buf.append("import java.util.List;\n");
buf.append("public class E {\n");
buf.append(" void foo() {\n");
buf.append(" List<String> a = new ArrayList<>();\n");
buf.append(" }\n");
buf.append("}\n");
String expected1= buf.toString();
assertExpectedExistInProposals(proposals, new String[] { expected1 });
}
@Test
public void testRemoveRedundantTypeArguments2() throws Exception {
IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.util.HashMap;\n");
buf.append("import java.util.Map;\n");
buf.append("public class E {\n");
buf.append(" void foo() {\n");
buf.append(" Map<String,String> a = new HashMap<String,String>();\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= getASTRoot(cu);
ArrayList<IJavaCompletionProposal> proposals= collectCorrections(cu, astRoot);
assertNumberOfProposals(proposals, 4);
assertCorrectLabels(proposals);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.util.HashMap;\n");
buf.append("import java.util.Map;\n");
buf.append("public class E {\n");
buf.append(" void foo() {\n");
buf.append(" Map<String,String> a = new HashMap<>();\n");
buf.append(" }\n");
buf.append("}\n");
String expected1= buf.toString();
assertExpectedExistInProposals(proposals, new String[] { expected1 });
}
@Test
public void testRemoveRedundantTypeArguments3() throws Exception {
IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.util.ArrayList;\n");
buf.append("import java.util.List;\n");
buf.append("import java.util.Map;\n");
buf.append("public class E {\n");
buf.append(" void foo() {\n");
buf.append(" List<Map<String, String>> a = new ArrayList<Map<String, String>>();;\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= getASTRoot(cu);
ArrayList<IJavaCompletionProposal> proposals= collectCorrections(cu, astRoot);
assertNumberOfProposals(proposals, 4);
assertCorrectLabels(proposals);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.util.ArrayList;\n");
buf.append("import java.util.List;\n");
buf.append("import java.util.Map;\n");
buf.append("public class E {\n");
buf.append(" void foo() {\n");
buf.append(" List<Map<String, String>> a = new ArrayList<>();;\n");
buf.append(" }\n");
buf.append("}\n");
String expected1= buf.toString();
assertExpectedExistInProposals(proposals, new String[] { expected1 });
}
@Test
public void testRemoveRedundantTypeArguments4() throws Exception {
IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
StringBuffer buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.util.HashMap;\n");
buf.append("import java.util.Map;\n");
buf.append("public class E {\n");
buf.append(" void foo() {\n");
buf.append(" Map<Map<String, String>, Map<String, String>> a = new HashMap<Map<String, String>, Map<String, String>>();;\n");
buf.append(" }\n");
buf.append("}\n");
ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
CompilationUnit astRoot= getASTRoot(cu);
ArrayList<IJavaCompletionProposal> proposals= collectCorrections(cu, astRoot);
assertNumberOfProposals(proposals, 4);
assertCorrectLabels(proposals);
buf= new StringBuffer();
buf.append("package test1;\n");
buf.append("import java.util.HashMap;\n");
buf.append("import java.util.Map;\n");
buf.append("public class E {\n");
buf.append(" void foo() {\n");
buf.append(" Map<Map<String, String>, Map<String, String>> a = new HashMap<>();;\n");
buf.append(" }\n");
buf.append("}\n");
String expected1= buf.toString();
assertExpectedExistInProposals(proposals, new String[] { expected1 });
}
}