Examples with ICompilationUnit org.eclipse.jdt.core.ICompilationUnit used on opensource projects

Example 76 with ICompilationUnit

use of org.eclipse.jdt.core.ICompilationUnit in project che by eclipse.

the class AssistQuickFixTest18 method _testConvertToAnonymousClassCreation7.

@Test
@Ignore
public // Bug 427694: [1.8][compiler] Functional interface not identified correctly
void _testConvertToAnonymousClassCreation7() throws Exception {
    IPackageFragment pack1 = fSourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("interface I { Object m(Class c); }\n");
    buf.append("interface J<S> { S m(Class<?> c); }\n");
    buf.append("interface K<T> { T m(Class<?> c); }\n");
    buf.append("interface Functional<S,T> extends I, J<S>, K<T> {}\n");
    buf.append("\n");
    buf.append("class C {\n");
    buf.append("    Functional<?, ?> fun= (c) -> { return null;};\n");
    buf.append("}\n");
    ICompilationUnit cu = pack1.createCompilationUnit("C.java", buf.toString(), false, null);
    int offset = buf.toString().indexOf("->");
    AssistContext context = getCorrectionContext(cu, offset, 0);
    assertNoErrors(context);
    List proposals = collectAssists(context, false);
    assertNumberOfProposals(proposals, 2);
    assertCorrectLabels(proposals);
    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("interface I { Object m(Class c); }\n");
    buf.append("interface J<S> { S m(Class<?> c); }\n");
    buf.append("interface K<T> { T m(Class<?> c); }\n");
    buf.append("interface Functional<S,T> extends I, J<S>, K<T> {}\n");
    buf.append("\n");
    buf.append("class C {\n");
    buf.append("    Functional<?, ?> fun= new Functional<Object, Object>() {\n");
    buf.append("        @Override\n");
    buf.append("        public Object m(Class c) {\n");
    buf.append("            return null;\n");
    buf.append("        }\n");
    buf.append("    };\n");
    buf.append("}\n");
    String expected1 = buf.toString();
    assertExpectedExistInProposals(proposals, new String[] { expected1 });
}

Example 77 with ICompilationUnit

use of org.eclipse.jdt.core.ICompilationUnit in project che by eclipse.

the class AssistQuickFixTest18 method testConvertToLambda12.

@Test
public void testConvertToLambda12() throws Exception {
    IPackageFragment pack1 = fSourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("interface I {\n");
    buf.append("    int foo(String s);\n");
    buf.append("}\n");
    buf.append("\n");
    buf.append("interface J {\n");
    buf.append("    Integer foo(String s);\n");
    buf.append("}\n");
    buf.append("\n");
    buf.append("public class X extends Y {\n");
    buf.append("    static void goo(I i) { }\n");
    buf.append("    public static void main(String[] args) {\n");
    buf.append("        goo(new I() {\n");
    buf.append("            @Override\n");
    buf.append("            public int foo(String s) {\n");
    buf.append("                return 0;\n");
    buf.append("            }\n");
    buf.append("        });\n");
    buf.append("    }\n");
    buf.append("}\n");
    buf.append("\n");
    buf.append("class Y {\n");
    buf.append("    static void goo(J j) { }    \n");
    buf.append("}\n");
    ICompilationUnit cu = pack1.createCompilationUnit("X.java", buf.toString(), false, null);
    int offset = buf.toString().indexOf("I()");
    AssistContext context = getCorrectionContext(cu, offset, 0);
    assertNoErrors(context);
    List proposals = collectAssists(context, false);
    assertNumberOfProposals(proposals, 2);
    assertCorrectLabels(proposals);
    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("interface I {\n");
    buf.append("    int foo(String s);\n");
    buf.append("}\n");
    buf.append("\n");
    buf.append("interface J {\n");
    buf.append("    Integer foo(String s);\n");
    buf.append("}\n");
    buf.append("\n");
    buf.append("public class X extends Y {\n");
    buf.append("    static void goo(I i) { }\n");
    buf.append("    public static void main(String[] args) {\n");
    buf.append("        goo((I) s -> 0);\n");
    buf.append("    }\n");
    buf.append("}\n");
    buf.append("\n");
    buf.append("class Y {\n");
    buf.append("    static void goo(J j) { }    \n");
    buf.append("}\n");
    String expected1 = buf.toString();
    assertExpectedExistInProposals(proposals, new String[] { expected1 });
}

Example 78 with ICompilationUnit

use of org.eclipse.jdt.core.ICompilationUnit in project che by eclipse.

the class AssistQuickFixTest18 method testConvertToLambda7.

@Test
public void testConvertToLambda7() throws Exception {
    IPackageFragment pack1 = fSourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("abstract class C {\n");
    buf.append("    abstract void method();\n");
    buf.append("}\n");
    buf.append("public class E {\n");
    buf.append("    void bar(C c) {\n");
    buf.append("    }\n");
    buf.append("    void foo() {\n");
    buf.append("        bar(new C() {\n");
    buf.append("            public void method() {\n");
    buf.append("                System.out.println();\n");
    buf.append("            }\n");
    buf.append("        });\n");
    buf.append("    }\n");
    buf.append("}\n");
    ICompilationUnit cu = pack1.createCompilationUnit("E.java", buf.toString(), false, null);
    int offset = buf.toString().indexOf("C()");
    AssistContext context = getCorrectionContext(cu, offset, 0);
    assertNoErrors(context);
    List proposals = collectAssists(context, false);
    assertNumberOfProposals(proposals, 1);
    assertProposalDoesNotExist(proposals, FixMessages.LambdaExpressionsFix_convert_to_lambda_expression);
}

Example 79 with ICompilationUnit

use of org.eclipse.jdt.core.ICompilationUnit in project che by eclipse.

the class AssistQuickFixTest18 method testConvertToAnonymousClassCreation3.

@Test
public void testConvertToAnonymousClassCreation3() throws Exception {
    IPackageFragment pack1 = fSourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("interface I {\n");
    buf.append("    void method();\n");
    buf.append("}\n");
    buf.append("public class E {\n");
    buf.append("    void bar(I i) {\n");
    buf.append("    }\n");
    buf.append("    void foo() {\n");
    buf.append("        bar(() -> System.out.println());\n");
    buf.append("    }\n");
    buf.append("}\n");
    ICompilationUnit cu = pack1.createCompilationUnit("E.java", buf.toString(), false, null);
    int offset = buf.toString().indexOf("->");
    AssistContext context = getCorrectionContext(cu, offset, 0);
    assertNoErrors(context);
    List proposals = collectAssists(context, false);
    assertNumberOfProposals(proposals, 5);
    assertCorrectLabels(proposals);
    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("interface I {\n");
    buf.append("    void method();\n");
    buf.append("}\n");
    buf.append("public class E {\n");
    buf.append("    void bar(I i) {\n");
    buf.append("    }\n");
    buf.append("    void foo() {\n");
    buf.append("        bar(new I() {\n");
    buf.append("            @Override\n");
    buf.append("            public void method() {\n");
    buf.append("                System.out.println();\n");
    buf.append("            }\n");
    buf.append("        });\n");
    buf.append("    }\n");
    buf.append("}\n");
    String expected1 = buf.toString();
    assertExpectedExistInProposals(proposals, new String[] { expected1 });
}

Example 80 with ICompilationUnit

use of org.eclipse.jdt.core.ICompilationUnit in project che by eclipse.

the class AssistQuickFixTest method testReplaceCatchClauseWithThrowsWithFinally.

@Test
public void testReplaceCatchClauseWithThrowsWithFinally() throws Exception {
    IPackageFragment pack1 = fSourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("package test1;\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("            goo();\n");
    buf.append("        } catch (IOException e) {\n");
    buf.append("        } finally {\n");
    buf.append("        }\n");
    buf.append("    }\n");
    buf.append("}\n");
    ICompilationUnit cu = pack1.createCompilationUnit("E.java", buf.toString(), false, null);
    String str = "(IOException e)";
    AssistContext context = getCorrectionContext(cu, buf.toString().indexOf(str), 0);
    List proposals = collectAssists(context, false);
    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.IOException;\n");
    buf.append("public class E {\n");
    buf.append("    public void foo() throws IOException {\n");
    buf.append("        try {\n");
    buf.append("            goo();\n");
    buf.append("        } finally {\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.IOException;\n");
    buf.append("public class E {\n");
    buf.append("    public void foo() {\n");
    buf.append("        try {\n");
    buf.append("            goo();\n");
    buf.append("        } finally {\n");
    buf.append("        }\n");
    buf.append("    }\n");
    buf.append("}\n");
    String expected2 = buf.toString();
    assertEqualStringsIgnoreOrder(new String[] { preview1, preview2 }, new String[] { expected1, expected2 });
}