Examples with MethodDeclaration com.github.javaparser.ast.body.MethodDeclaration used on opensource projects

Example 81 with MethodDeclaration

use of com.github.javaparser.ast.body.MethodDeclaration in project javaparser by javaparser.

the class LambdaResolutionTest method lambdaBlockExplicitReturn.

@Test
public void lambdaBlockExplicitReturn() {
    CompilationUnit cu = parseSample("LambdaMulti");
    com.github.javaparser.ast.body.ClassOrInterfaceDeclaration clazz = Navigator.demandClass(cu, "Agenda");
    MethodDeclaration method = Navigator.demandMethod(clazz, "lambdaSingleReturn");
    ReturnStmt returnStmt = Navigator.findReturnStmt(method);
    Expression expression = returnStmt.getExpression().get();
    JavaParserFacade javaParserFacade = JavaParserFacade.get(new ReflectionTypeSolver());
    ResolvedType type = javaParserFacade.getType(expression);
    assertEquals("java.lang.String", type.describe());
}

Example 82 with MethodDeclaration

use of com.github.javaparser.ast.body.MethodDeclaration in project javaparser by javaparser.

the class LambdaResolutionTest method lambdaMap.

@Test
public void lambdaMap() {
    CompilationUnit cu = parseSample("Lambda");
    com.github.javaparser.ast.body.ClassOrInterfaceDeclaration clazz = Navigator.demandClass(cu, "Agenda");
    MethodDeclaration m1 = Navigator.demandMethod(clazz, "lambdaMap");
    MethodDeclaration m2 = Navigator.demandMethod(clazz, "lambdaMap2");
    ReturnStmt returnStmt1 = Navigator.findReturnStmt(m1);
    ReturnStmt returnStmt2 = Navigator.findReturnStmt(m2);
    Expression e1 = returnStmt1.getExpression().get();
    Expression e2 = returnStmt2.getExpression().get();
    JavaParserFacade javaParserFacade = JavaParserFacade.get(new ReflectionTypeSolver());
    ResolvedType type1 = javaParserFacade.getType(e1);
    ResolvedType type2 = javaParserFacade.getType(e2);
    assertEquals("java.util.stream.Stream<java.lang.String>", type1.describe());
    assertEquals("java.util.stream.Stream<java.util.stream.IntStream>", type2.describe());
}

Example 83 with MethodDeclaration

use of com.github.javaparser.ast.body.MethodDeclaration in project javaparser by javaparser.

the class LambdaResolutionTest method lambdaBlockMultiLineReturn.

@Test
public void lambdaBlockMultiLineReturn() {
    CompilationUnit cu = parseSample("LambdaMulti");
    com.github.javaparser.ast.body.ClassOrInterfaceDeclaration clazz = Navigator.demandClass(cu, "Agenda");
    MethodDeclaration method = Navigator.demandMethod(clazz, "multiLineReturn");
    ReturnStmt returnStmt = Navigator.findReturnStmt(method);
    Expression expression = returnStmt.getExpression().get();
    JavaParserFacade javaParserFacade = JavaParserFacade.get(new ReflectionTypeSolver());
    ResolvedType type = javaParserFacade.getType(expression);
    assertEquals("java.lang.String", type.describe());
}

Example 84 with MethodDeclaration

use of com.github.javaparser.ast.body.MethodDeclaration in project javaparser by javaparser.

the class LambdaResolutionTest method typeOfVoidLambda.

@Test
public void typeOfVoidLambda() {
    CompilationUnit cu = parseSample("LambdaVoid");
    com.github.javaparser.ast.body.ClassOrInterfaceDeclaration clazz = Navigator.demandClass(cu, "Agenda");
    MethodDeclaration method = Navigator.demandMethod(clazz, "lambdaEmpty");
    ReturnStmt returnStmt = Navigator.findReturnStmt(method);
    Expression expression = returnStmt.getExpression().get();
    LambdaExpr lambdaExpr = Navigator.findNodeOfGivenClass(expression, LambdaExpr.class);
    JavaParserFacade javaParserFacade = JavaParserFacade.get(new ReflectionTypeSolver());
    ResolvedType type = javaParserFacade.getType(lambdaExpr);
    assertEquals("void", type.describe());
}

Example 85 with MethodDeclaration

use of com.github.javaparser.ast.body.MethodDeclaration in project javaparser by javaparser.

the class MethodsResolutionTest method solveMethodWithTypePromotionsToByte.

@Test
public void solveMethodWithTypePromotionsToByte() {
    CompilationUnit cu = parseSample("Issue338");
    ClassOrInterfaceDeclaration clazz = Navigator.demandClass(cu, "TypePromotions");
    MethodDeclaration method = Navigator.demandMethod(clazz, "callingByte");
    {
        MethodCallExpr expression = method.getBody().get().getStatements().get(0).asExpressionStmt().getExpression().asMethodCallExpr();
        SymbolReference<ResolvedMethodDeclaration> reference = JavaParserFacade.get(new ReflectionTypeSolver()).solve(expression);
        assertEquals(true, reference.isSolved());
        assertEquals("byteParam", reference.getCorrespondingDeclaration().getName());
    }
    {
        MethodCallExpr expression = method.getBody().get().getStatements().get(1).asExpressionStmt().getExpression().asMethodCallExpr();
        SymbolReference<ResolvedMethodDeclaration> reference = JavaParserFacade.get(new ReflectionTypeSolver()).solve(expression);
        assertEquals(false, reference.isSolved());
    }
    {
        MethodCallExpr expression = method.getBody().get().getStatements().get(2).asExpressionStmt().getExpression().asMethodCallExpr();
        SymbolReference<ResolvedMethodDeclaration> reference = JavaParserFacade.get(new ReflectionTypeSolver()).solve(expression);
        assertEquals(false, reference.isSolved());
    }
    {
        MethodCallExpr expression = method.getBody().get().getStatements().get(3).asExpressionStmt().getExpression().asMethodCallExpr();
        SymbolReference<ResolvedMethodDeclaration> reference = JavaParserFacade.get(new ReflectionTypeSolver()).solve(expression);
        assertEquals(false, reference.isSolved());
    }
}