Example usage for org.eclipse.jdt.core JavaCore COMPILER_PB_UNUSED_PARAMETER

Introduction

In this page you can find the example usage for org.eclipse.jdt.core JavaCore COMPILER_PB_UNUSED_PARAMETER.

Prototype

String COMPILER_PB_UNUSED_PARAMETER

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Document

Compiler option ID: Reporting Unused Parameter.

Usage

From source file:org.eclipse.che.ide.ext.java.ReconcileTest.java

License:Open Source License

@Test
public void testWarnings() throws Exception {
    project.setOption(JavaCore.COMPILER_PB_UNUSED_LOCAL, JavaCore.ERROR);
    project.setOption(JavaCore.COMPILER_PB_UNUSED_PARAMETER, JavaCore.ERROR);
    setWorkingCopyContents(/*  www  .  j  a  v a2  s .c  o m*/
            "package p1;\n" + "public class X {\n" + "  public void foo() {\n" + "     int i = 0;\n"
                    + "     String b = new String();\n" + "     System.out.println(b);\n" + "  }\n" + "}");
    ReconcileResult reconcile = reconciler.reconcile(project, "p1.X");
    assertThat(reconcile.getProblems()).onProperty("error").containsSequence(true);
}

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From source file:org.eclipse.che.jdt.quickfix.LocalCorrectionsQuickFixTest.java

License:Open Source License

@Test
public void testUnusedVariable() throws Exception {
    Hashtable hashtable = JavaCore.getOptions();
    hashtable.put(JavaCore.COMPILER_PB_UNUSED_LOCAL, JavaCore.ERROR);
    hashtable.put(JavaCore.COMPILER_PB_UNUSED_PARAMETER, JavaCore.ERROR);
    JavaCore.setOptions(hashtable);//from w  w  w  .j ava  2  s .c  om

    IPackageFragment pack1 = fSourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    public void foo() {\n");
    buf.append("        boolean res= process();\n");
    buf.append("        res= (super.hashCode() == 1);\n");
    buf.append("    }\n");
    buf.append("    public boolean process() {\n");
    buf.append("        return true;\n");
    buf.append("    }\n");
    buf.append("}\n");
    ICompilationUnit cu = pack1.createCompilationUnit("E.java", buf.toString(), false, null);

    CompilationUnit astRoot = getASTRoot(cu);
    ArrayList proposals = collectCorrections(cu, astRoot);
    assertNumberOfProposals(proposals, 2);
    assertCorrectLabels(proposals);

    String expected[] = new String[2];
    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    public void foo() {\n");
    buf.append("        process();\n");
    buf.append("        (super.hashCode() == 1);\n");
    buf.append("    }\n");
    buf.append("    public boolean process() {\n");
    buf.append("        return true;\n");
    buf.append("    }\n");
    buf.append("}\n");
    expected[0] = buf.toString();

    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    public void foo() {\n");
    buf.append("    }\n");
    buf.append("    public boolean process() {\n");
    buf.append("        return true;\n");
    buf.append("    }\n");
    buf.append("}\n");
    expected[1] = buf.toString();

    assertExpectedExistInProposals(proposals, expected);
}

---

From source file:org.eclipse.che.jdt.quickfix.LocalCorrectionsQuickFixTest.java

License:Open Source License

@Test
public void testUnusedVariable1() throws Exception {
    Hashtable hashtable = JavaCore.getOptions();
    hashtable.put(JavaCore.COMPILER_PB_UNUSED_LOCAL, JavaCore.ERROR);
    hashtable.put(JavaCore.COMPILER_PB_UNUSED_PARAMETER, JavaCore.ERROR);
    JavaCore.setOptions(hashtable);/* ww w.  j av  a 2 s . c  o  m*/

    IPackageFragment pack1 = fSourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    private Object[] foo() {\n");
    buf.append("        Object[] i, j= new Object[0];\n");
    buf.append("        i= j = null;\n");
    buf.append("        i= (new Object[] { null, null });\n");
    buf.append("        return j;\n");
    buf.append("    }\n");
    buf.append("}\n");
    ICompilationUnit cu = pack1.createCompilationUnit("E.java", buf.toString(), false, null);

    CompilationUnit astRoot = getASTRoot(cu);
    ArrayList proposals = collectCorrections(cu, astRoot);
    assertNumberOfProposals(proposals, 2);
    assertCorrectLabels(proposals);

    String[] expected = new String[2];
    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    private Object[] foo() {\n");
    buf.append("        Object[] j= new Object[0];\n");
    buf.append("        j = null;\n");
    buf.append("        return j;\n");
    buf.append("    }\n");
    buf.append("}\n");
    expected[0] = buf.toString();

    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    private Object[] foo() {\n");
    buf.append("        Object[] j= new Object[0];\n");
    buf.append("        j = null;\n");
    buf.append("        return j;\n");
    buf.append("    }\n");
    buf.append("}\n");
    expected[1] = buf.toString();
    assertExpectedExistInProposals(proposals, expected);
}

---

From source file:org.eclipse.che.jdt.quickfix.LocalCorrectionsQuickFixTest.java

License:Open Source License

@Test
public void testUnusedVariable2() throws Exception {
    Hashtable hashtable = JavaCore.getOptions();
    hashtable.put(JavaCore.COMPILER_PB_UNUSED_LOCAL, JavaCore.ERROR);
    hashtable.put(JavaCore.COMPILER_PB_UNUSED_PARAMETER, JavaCore.ERROR);
    JavaCore.setOptions(hashtable);/*from w w w. j  a v a2  s  .  c o  m*/

    IPackageFragment pack1 = fSourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    private void foo() {\n");
    buf.append("        for (int j= 0, i= 0; i < 3; i++) {\n");
    buf.append("             j= i;\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 proposals = collectCorrections(cu, astRoot);
    assertNumberOfProposals(proposals, 2);
    assertCorrectLabels(proposals);

    String[] expected = new String[2];
    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    private void foo() {\n");
    buf.append("        for (int i= 0; i < 3; i++) {\n");
    buf.append("        };\n");
    buf.append("    }\n");
    buf.append("}\n");
    expected[0] = buf.toString();

    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    private void foo() {\n");
    buf.append("        for (int i= 0; i < 3; i++) {\n");
    buf.append("        };\n");
    buf.append("    }\n");
    buf.append("}\n");
    expected[1] = buf.toString();

    assertExpectedExistInProposals(proposals, expected);
}

---

From source file:org.eclipse.che.jdt.quickfix.LocalCorrectionsQuickFixTest.java

License:Open Source License

@Test
public void testUnusedVariable4() throws Exception {
    Hashtable hashtable = JavaCore.getOptions();
    hashtable.put(JavaCore.COMPILER_PB_UNUSED_LOCAL, JavaCore.ERROR);
    hashtable.put(JavaCore.COMPILER_PB_UNUSED_PARAMETER, JavaCore.ERROR);
    hashtable.put(JavaCore.COMPILER_PB_UNUSED_PARAMETER_INCLUDE_DOC_COMMENT_REFERENCE, JavaCore.DISABLED);
    JavaCore.setOptions(hashtable);//from w  ww . jav  a  2s . c o m

    IPackageFragment pack1 = fSourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    /**\n");
    buf.append("     * @param i\n");
    buf.append("     */\n");
    buf.append("    private void foo(int i) {\n");
    buf.append("    }\n");
    buf.append("}\n");
    ICompilationUnit cu = pack1.createCompilationUnit("E.java", buf.toString(), false, null);

    CompilationUnit astRoot = getASTRoot(cu);
    ArrayList proposals = collectCorrections(cu, astRoot);
    assertNumberOfProposals(proposals, 1);
    assertCorrectLabels(proposals);

    CUCorrectionProposal proposal = (CUCorrectionProposal) proposals.get(0);
    String preview = getPreviewContent(proposal);

    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    /**\n");
    buf.append("     */\n");
    buf.append("    private void foo() {\n");
    buf.append("    }\n");
    buf.append("}\n");
    assertEqualString(preview, buf.toString());
}

---

From source file:org.eclipse.che.jdt.quickfix.LocalCorrectionsQuickFixTest.java

License:Open Source License

@Test
public void testUnusedVariable7() throws Exception {
    Hashtable hashtable = JavaCore.getOptions();
    hashtable.put(JavaCore.COMPILER_PB_UNUSED_LOCAL, JavaCore.ERROR);
    hashtable.put(JavaCore.COMPILER_PB_UNUSED_PARAMETER, JavaCore.ERROR);
    JavaCore.setOptions(hashtable);//from   www . ja  va  2s.  com

    IPackageFragment pack1 = fSourceFolder.createPackageFragment("pack", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("package pack;\n");
    buf.append("public class B {\n");
    buf.append("    void test(){\n");
    buf.append("        String c=\"Test\",d=String.valueOf(true),e=c;\n");
    buf.append("        e+=\"\";\n");
    buf.append("        d=\"blubb\";\n");
    buf.append("        d=String.valueOf(12);\n");
    buf.append("    }\n");
    buf.append("}\n");
    ICompilationUnit cu = pack1.createCompilationUnit("B.java", buf.toString(), false, null);

    CompilationUnit astRoot = getASTRoot(cu);
    ArrayList proposals = collectCorrections(cu, astRoot, 2);

    assertCorrectLabels(proposals);
    assertNumberOfProposals(proposals, 2);

    String[] expected = new String[2];
    buf = new StringBuffer();
    buf.append("package pack;\n");
    buf.append("public class B {\n");
    buf.append("    void test(){\n");
    buf.append("        String c=\"Test\";\n");
    buf.append("        String.valueOf(true);\n");
    buf.append("        String e=c;\n");
    buf.append("        e+=\"\";\n");
    buf.append("        String.valueOf(12);\n");
    buf.append("    }\n");
    buf.append("}\n");
    expected[0] = buf.toString();

    buf = new StringBuffer();
    buf.append("package pack;\n");
    buf.append("public class B {\n");
    buf.append("    void test(){\n");
    buf.append("        String c=\"Test\",e=c;\n");
    buf.append("        e+=\"\";\n");
    buf.append("    }\n");
    buf.append("}\n");
    expected[1] = buf.toString();

    assertExpectedExistInProposals(proposals, expected);
}

---

From source file:org.eclipse.che.jdt.quickfix.LocalCorrectionsQuickFixTest.java

License:Open Source License

@Test
public void testUnusedVariableBug328481_1() throws Exception {
    Hashtable hashtable = JavaCore.getOptions();
    hashtable.put(JavaCore.COMPILER_PB_UNUSED_LOCAL, JavaCore.ERROR);
    hashtable.put(JavaCore.COMPILER_PB_UNUSED_PARAMETER, JavaCore.ERROR);
    JavaCore.setOptions(hashtable);//from  w  w  w  . java2s .co  m

    IPackageFragment pack1 = fSourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    private void foo() {\n");
    buf.append("        int a= 10;\n");
    buf.append("        a++;\n");
    buf.append("        a--;\n");
    buf.append("        --a;\n");
    buf.append("        ++a;\n");
    buf.append("        for ( ; ; a++) {\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 proposals = collectCorrections(cu, astRoot);
    assertNumberOfProposals(proposals, 2);
    assertCorrectLabels(proposals);

    String[] expected = new String[2];
    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    private void foo() {\n");
    buf.append("        for ( ; ;) {\n");
    buf.append("        }\n");
    buf.append("    }\n");
    buf.append("}\n");
    expected[0] = buf.toString();

    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    private void foo() {\n");
    buf.append("        for ( ; ;) {\n");
    buf.append("        }\n");
    buf.append("    }\n");
    buf.append("}\n");
    expected[1] = buf.toString();

    assertExpectedExistInProposals(proposals, expected);
}

---

From source file:org.eclipse.che.jdt.quickfix.LocalCorrectionsQuickFixTest.java

License:Open Source License

@Test
public void testUnusedVariableBug328481_2() throws Exception {
    Hashtable hashtable = JavaCore.getOptions();
    hashtable.put(JavaCore.COMPILER_PB_UNUSED_LOCAL, JavaCore.ERROR);
    hashtable.put(JavaCore.COMPILER_PB_UNUSED_PARAMETER, JavaCore.ERROR);
    JavaCore.setOptions(hashtable);//from   w  w w.j av  a2s  . c om

    IPackageFragment pack1 = fSourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    private void foo(boolean b) {\n");
    buf.append("        int a= 10;\n");
    buf.append("        if (b)\n");
    buf.append("            a++;\n");
    buf.append("        System.out.println(\"hi\");\n");
    buf.append("        a -= 18;\n");
    buf.append("    }\n");
    buf.append("}\n");
    ICompilationUnit cu = pack1.createCompilationUnit("E.java", buf.toString(), false, null);

    CompilationUnit astRoot = getASTRoot(cu);
    ArrayList proposals = collectCorrections(cu, astRoot);
    assertNumberOfProposals(proposals, 2);
    assertCorrectLabels(proposals);

    String[] expected = new String[2];
    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    private void foo(boolean b) {\n");
    buf.append("        if (b) {\n");
    buf.append("        }\n");
    buf.append("        System.out.println(\"hi\");\n");
    buf.append("    }\n");
    buf.append("}\n");
    expected[0] = buf.toString();

    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    private void foo(boolean b) {\n");
    buf.append("        if (b) {\n");
    buf.append("        }\n");
    buf.append("        System.out.println(\"hi\");\n");
    buf.append("    }\n");
    buf.append("}\n");
    expected[1] = buf.toString();

    assertExpectedExistInProposals(proposals, expected);
}

---

From source file:org.eclipse.che.jdt.quickfix.LocalCorrectionsQuickFixTest.java

License:Open Source License

@Test
public void testUnusedVariableAsSwitchStatement() throws Exception {
    Hashtable hashtable = JavaCore.getOptions();
    hashtable.put(JavaCore.COMPILER_PB_UNUSED_LOCAL, JavaCore.ERROR);
    hashtable.put(JavaCore.COMPILER_PB_UNUSED_PARAMETER, JavaCore.ERROR);
    JavaCore.setOptions(hashtable);/*ww w .j a  v  a2s.  c om*/

    IPackageFragment pack1 = fSourceFolder.createPackageFragment("pack", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("package pack;\n");
    buf.append("public class B {\n");
    buf.append("    void test(int i){\n");
    buf.append("        switch (i) {\n");
    buf.append("            case 3:\n");
    buf.append("                String c=\"Test\",d=String.valueOf(true),e=c;\n");
    buf.append("                e+=\"\";\n");
    buf.append("                d=\"blubb\";\n");
    buf.append("                d=String.valueOf(12);\n");
    buf.append("        }\n");
    buf.append("    }\n");
    buf.append("}\n");
    ICompilationUnit cu = pack1.createCompilationUnit("B.java", buf.toString(), false, null);

    CompilationUnit astRoot = getASTRoot(cu);
    ArrayList proposals = collectCorrections(cu, astRoot, 2);

    assertCorrectLabels(proposals);
    assertNumberOfProposals(proposals, 2);

    String[] expected = new String[2];
    buf = new StringBuffer();
    buf.append("package pack;\n");
    buf.append("public class B {\n");
    buf.append("    void test(int i){\n");
    buf.append("        switch (i) {\n");
    buf.append("            case 3:\n");
    buf.append("                String c=\"Test\";\n");
    buf.append("                String.valueOf(true);\n");
    buf.append("                String e=c;\n");
    buf.append("                e+=\"\";\n");
    buf.append("                String.valueOf(12);\n");
    buf.append("        }\n");
    buf.append("    }\n");
    buf.append("}\n");
    expected[0] = buf.toString();

    buf = new StringBuffer();
    buf.append("package pack;\n");
    buf.append("public class B {\n");
    buf.append("    void test(int i){\n");
    buf.append("        switch (i) {\n");
    buf.append("            case 3:\n");
    buf.append("                String c=\"Test\",e=c;\n");
    buf.append("                e+=\"\";\n");
    buf.append("        }\n");
    buf.append("    }\n");
    buf.append("}\n");
    expected[1] = buf.toString();

    assertExpectedExistInProposals(proposals, expected);
}

---

From source file:org.eclipse.che.jdt.quickfix.LocalCorrectionsQuickFixTest.java

License:Open Source License

@Test
public void testUnusedVariableBug120579() throws Exception {
    Hashtable hashtable = JavaCore.getOptions();
    hashtable.put(JavaCore.COMPILER_PB_UNUSED_LOCAL, JavaCore.ERROR);
    hashtable.put(JavaCore.COMPILER_PB_UNUSED_PARAMETER, JavaCore.ERROR);
    JavaCore.setOptions(hashtable);//from  w w w.  ja  v a  2  s  .  co m

    IPackageFragment pack1 = fSourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E  {\n");
    buf.append("    public void foo() {\n");
    buf.append("        char[] array= new char[0];\n");
    buf.append("        for (char element: array) {}\n");
    buf.append("    }\n");
    buf.append("}\n");
    ICompilationUnit cu = pack1.createCompilationUnit("E.java", buf.toString(), false, null);

    CompilationUnit astRoot = getASTRoot(cu);
    ArrayList proposals = collectCorrections(cu, astRoot);
    assertNumberOfProposals(proposals, 0);
    assertCorrectLabels(proposals);
}

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