Examples with LambdaExpressionTree org.sonar.plugins.java.api.tree.LambdaExpressionTree used on opensource projects

Example 16 with LambdaExpressionTree

use of org.sonar.plugins.java.api.tree.LambdaExpressionTree in project sonar-java by SonarSource.

the class MethodReferenceResolutionTest method method_references_type_defered_should_not_raise_npe.

@Test
public void method_references_type_defered_should_not_raise_npe() throws Exception {
    Result result = Result.createFor("MethodReferencesDeferedType");
    LambdaExpressionTree lambda = (LambdaExpressionTree) result.symbol("qualifier").declaration().parent();
    Type symbolType = ((MethodInvocationTree) lambda.body()).symbolType();
    assertThat(symbolType.is("java.util.stream.Stream")).isTrue();
    assertThat(symbolType).isInstanceOf(ParametrizedTypeJavaType.class);
    List<JavaType> substitutedTypes = ((ParametrizedTypeJavaType) symbolType).typeSubstitution.substitutedTypes();
    assertThat(substitutedTypes).hasSize(1);
    assertThat(substitutedTypes.get(0).is("Qualifier")).isTrue();
}