Examples with CompilationUnit org.eclipse.jdt.core.dom.CompilationUnit used on opensource projects

Example 56 with CompilationUnit

use of org.eclipse.jdt.core.dom.CompilationUnit in project che by eclipse.

the class LocalCorrectionsQuickFixTest method testRemoveDeadCodeIfThen2.

@Test
public void testRemoveDeadCodeIfThen2() throws Exception {
    Hashtable options = JavaCore.getOptions();
    options.put(JavaCore.COMPILER_PB_DEAD_CODE, JavaCore.WARNING);
    JavaCore.setOptions(options);
    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("        Object o = new Object();\n");
    buf.append("        if (o != null) {\n");
    buf.append("            if (o == null) {\n");
    buf.append("            	System.out.println(\"hello\");\n");
    buf.append("        	} else {\n");
    buf.append("            	System.out.println(\"bye\");\n");
    buf.append("        	}\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);
    CUCorrectionProposal proposal = (CUCorrectionProposal) proposals.get(0);
    String preview1 = getPreviewContent(proposal);
    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    public void foo() {\n");
    buf.append("        Object o = new Object();\n");
    buf.append("        if (o != null) {\n");
    buf.append("            System.out.println(\"bye\");\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("public class E {\n");
    buf.append("    @SuppressWarnings(\"unused\")\n");
    buf.append("    public void foo() {\n");
    buf.append("        Object o = new Object();\n");
    buf.append("        if (o != null) {\n");
    buf.append("            if (o == null) {\n");
    buf.append("            	System.out.println(\"hello\");\n");
    buf.append("        	} else {\n");
    buf.append("            	System.out.println(\"bye\");\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 });
}

Example 57 with CompilationUnit

use of org.eclipse.jdt.core.dom.CompilationUnit in project che by eclipse.

the class LocalCorrectionsQuickFixTest method testUnusedObjectAllocation2.

@Test
public void testUnusedObjectAllocation2() throws Exception {
    Hashtable options = JavaCore.getOptions();
    options.put(JavaCore.COMPILER_PB_UNUSED_OBJECT_ALLOCATION, JavaCore.WARNING);
    JavaCore.setOptions(options);
    IPackageFragment pack1 = fSourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("\n");
    buf.append("public class E {\n");
    buf.append("    public void foo() {\n");
    buf.append("        /*a*/new Exception()/*b*/;/*c*/\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);
    assertCorrectLabels(proposals);
    assertNumberOfProposals(proposals, 6);
    String[] expected = new String[6];
    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("\n");
    buf.append("public class E {\n");
    buf.append("    public void foo() {\n");
    buf.append("        /*a*/throw new Exception()/*b*/;/*c*/\n");
    buf.append("    }\n");
    buf.append("}\n");
    expected[0] = buf.toString();
    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("\n");
    buf.append("public class E {\n");
    buf.append("    public void foo() {\n");
    buf.append("    }\n");
    buf.append("}\n");
    expected[1] = buf.toString();
    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("\n");
    buf.append("public class E {\n");
    buf.append("    @SuppressWarnings(\"unused\")\n");
    buf.append("    public void foo() {\n");
    buf.append("        /*a*/new Exception()/*b*/;/*c*/\n");
    buf.append("    }\n");
    buf.append("}\n");
    expected[2] = buf.toString();
    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("\n");
    buf.append("public class E {\n");
    buf.append("    public void foo() {\n");
    buf.append("        /*a*/return new Exception()/*b*/;/*c*/\n");
    buf.append("    }\n");
    buf.append("}\n");
    expected[3] = buf.toString();
    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("\n");
    buf.append("public class E {\n");
    buf.append("    public void foo() {\n");
    buf.append("        /*a*/Exception exception = new Exception()/*b*/;/*c*/\n");
    buf.append("    }\n");
    buf.append("}\n");
    expected[4] = buf.toString();
    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("\n");
    buf.append("public class E {\n");
    buf.append("    private Exception exception;\n");
    buf.append("\n");
    buf.append("    public void foo() {\n");
    buf.append("        /*a*/exception = new Exception()/*b*/;/*c*/\n");
    buf.append("    }\n");
    buf.append("}\n");
    expected[5] = buf.toString();
    assertExpectedExistInProposals(proposals, expected);
}

Example 58 with CompilationUnit

use of org.eclipse.jdt.core.dom.CompilationUnit in project che by eclipse.

the class LocalCorrectionsQuickFixTest method testUnusedVariable.

@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);
    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);
}

Example 59 with CompilationUnit

use of org.eclipse.jdt.core.dom.CompilationUnit in project che by eclipse.

the class LocalCorrectionsQuickFixTest method testRemoveUnreachableCodeWhile.

@Test
public void testRemoveUnreachableCodeWhile() throws Exception {
    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 boolean foo() {\n");
    buf.append("        while (false) {\n");
    buf.append("            return true;\n");
    buf.append("        }\n");
    buf.append("        return false;\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("    public boolean foo() {\n");
    buf.append("        return false;\n");
    buf.append("    }\n");
    buf.append("}\n");
    assertEqualString(preview, buf.toString());
}

Example 60 with CompilationUnit

use of org.eclipse.jdt.core.dom.CompilationUnit in project che by eclipse.

the class LocalCorrectionsQuickFixTest method testUnnecessaryCast1.

@Test
public void testUnnecessaryCast1() throws Exception {
    Hashtable hashtable = JavaCore.getOptions();
    hashtable.put(JavaCore.COMPILER_PB_UNNECESSARY_TYPE_CHECK, JavaCore.ERROR);
    JavaCore.setOptions(hashtable);
    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(int i) {\n");
    buf.append("        int s = (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("    public void foo(int i) {\n");
    buf.append("        int s = i;\n");
    buf.append("    }\n");
    buf.append("}\n");
    assertEqualString(preview, buf.toString());
}