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

Example 71 with ICompilationUnit

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

the class AssistQuickFixTest18 method testChangeLambdaBodyToExpression1.

@Test
public void testChangeLambdaBodyToExpression1() throws Exception {
    IPackageFragment pack1 = fSourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("class E {\n");
    buf.append("    FI1 fi1= x -> {\n");
    buf.append("        return x=0;\n");
    buf.append("    };\n");
    buf.append("}\n");
    buf.append("\n");
    buf.append("@FunctionalInterface\n");
    buf.append("interface FI1 {\n");
    buf.append("    int foo(int x);\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, 2);
    assertCorrectLabels(proposals);
    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("class E {\n");
    buf.append("    FI1 fi1= x -> x=0;\n");
    buf.append("}\n");
    buf.append("\n");
    buf.append("@FunctionalInterface\n");
    buf.append("interface FI1 {\n");
    buf.append("    int foo(int x);\n");
    buf.append("}\n");
    String expected1 = buf.toString();
    assertExpectedExistInProposals(proposals, new String[] { expected1 });
}

Example 72 with ICompilationUnit

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

the class AssistQuickFixTest18 method testChangeLambdaBodyToExpression6.

@Test
public void testChangeLambdaBodyToExpression6() throws Exception {
    IPackageFragment pack1 = fSourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("class E {\n");
    buf.append("    FI2 fi2z= x -> { };\n");
    buf.append("}\n");
    buf.append("\n");
    buf.append("@FunctionalInterface\n");
    buf.append("interface FI2 {\n");
    buf.append("    void foo(int x);\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, 1);
    assertCorrectLabels(proposals);
    assertProposalDoesNotExist(proposals, CorrectionMessages.QuickAssistProcessor_change_lambda_body_to_expression);
}

Example 73 with ICompilationUnit

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

the class AssistQuickFixTest18 method testChangeLambdaBodyToBlock2.

@Test
public void testChangeLambdaBodyToBlock2() throws Exception {
    IPackageFragment pack1 = fSourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("class E {\n");
    buf.append("    FI1 fi1b= x -> m1();\n");
    buf.append("    int m1(){ return 0; }\n");
    buf.append("}\n");
    buf.append("\n");
    buf.append("@FunctionalInterface\n");
    buf.append("interface FI1 {\n");
    buf.append("    int foo(int x);\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, 2);
    assertCorrectLabels(proposals);
    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("class E {\n");
    buf.append("    FI1 fi1b= x -> {\n");
    buf.append("        return m1();\n");
    buf.append("    };\n");
    buf.append("    int m1(){ return 0; }\n");
    buf.append("}\n");
    buf.append("\n");
    buf.append("@FunctionalInterface\n");
    buf.append("interface FI1 {\n");
    buf.append("    int foo(int x);\n");
    buf.append("}\n");
    String expected1 = buf.toString();
    assertExpectedExistInProposals(proposals, new String[] { expected1 });
}

Example 74 with ICompilationUnit

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

the class AssistQuickFixTest18 method testConvertToLambda2.

@Test
public void testConvertToLambda2() 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(int a, int b);\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("            public void method(int a, int b) {\n");
    buf.append("                System.out.println(a+b);\n");
    buf.append("                System.out.println(a+b);\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("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("    void method(int a, int b);\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((a, b) -> {\n");
    buf.append("            System.out.println(a+b);\n");
    buf.append("            System.out.println(a+b);\n");
    buf.append("        });\n");
    buf.append("    }\n");
    buf.append("}\n");
    String expected1 = buf.toString();
    assertExpectedExistInProposals(proposals, new String[] { expected1 });
}

Example 75 with ICompilationUnit

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

the class AssistQuickFixTest18 method testConvertToLambda8.

@Test
public void testConvertToLambda8() 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(new I() {\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("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("    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");
    String expected1 = buf.toString();
    assertExpectedExistInProposals(proposals, new String[] { expected1 });
}