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

Example 1 with WildcardTree

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

the class JavaTreeModelTest method type_arguments.

/**
 * 4.5.1. Type Arguments and Wildcards
 */
@Test
public void type_arguments() {
    VariableTree variableTree = (VariableTree) firstMethodFirstStatement("public class T { void m() { ClassType<? extends A, ? super B, ?, C> var; } }");
    assertThatChildrenIteratorHasSize(variableTree, 4);
    ParameterizedTypeTree parameterizedTypeTree = (ParameterizedTypeTree) variableTree.type();
    assertThatChildrenIteratorHasSize(parameterizedTypeTree, 2);
    TypeArguments typeArguments = parameterizedTypeTree.typeArguments();
    assertThat(typeArguments).hasSize(4);
    assertThat(typeArguments.separators()).hasSize(3);
    assertThatChildrenIteratorHasSize(typeArguments, 9);
    WildcardTree wildcard = (WildcardTree) typeArguments.get(0);
    assertThat(wildcard.is(Tree.Kind.EXTENDS_WILDCARD)).isTrue();
    assertThat(wildcard.bound()).isInstanceOf(IdentifierTree.class);
    assertThat(wildcard.queryToken()).isNotNull();
    assertThat(wildcard.queryToken().text()).isEqualTo("?");
    assertThat(wildcard.extendsOrSuperToken()).isNotNull();
    assertThat(wildcard.extendsOrSuperToken().text()).isEqualTo("extends");
    assertThatChildrenIteratorHasSize(wildcard, 3);
    wildcard = (WildcardTree) typeArguments.get(1);
    assertThat(wildcard.is(Tree.Kind.SUPER_WILDCARD)).isTrue();
    assertThat(wildcard.bound()).isInstanceOf(IdentifierTree.class);
    assertThat(wildcard.queryToken()).isNotNull();
    assertThat(wildcard.queryToken().text()).isEqualTo("?");
    assertThat(wildcard.extendsOrSuperToken()).isNotNull();
    assertThat(wildcard.extendsOrSuperToken().text()).isEqualTo("super");
    assertThatChildrenIteratorHasSize(wildcard, 3);
    wildcard = (WildcardTree) typeArguments.get(2);
    assertThat(wildcard.is(Tree.Kind.UNBOUNDED_WILDCARD)).isTrue();
    assertThat(wildcard.bound()).isNull();
    assertThat(wildcard.queryToken().text()).isEqualTo("?");
    assertThat(wildcard.queryToken()).isNotNull();
    assertThat(wildcard.extendsOrSuperToken()).isNull();
    assertThatChildrenIteratorHasSize(wildcard, 1);
    assertThat(typeArguments.get(3)).isInstanceOf(IdentifierTree.class);
    variableTree = (VariableTree) firstMethodFirstStatement("public class T { void m() { ClassType<@Foo ? extends A> var; } }");
    parameterizedTypeTree = (ParameterizedTypeTree) variableTree.type();
    assertThatChildrenIteratorHasSize(parameterizedTypeTree, 2);
    typeArguments = parameterizedTypeTree.typeArguments();
    assertThatChildrenIteratorHasSize(typeArguments, 3);
    wildcard = (WildcardTree) typeArguments.get(0);
    assertThat(wildcard.is(Tree.Kind.EXTENDS_WILDCARD)).isTrue();
    assertThat(wildcard.bound()).isInstanceOf(IdentifierTree.class);
    assertThat(wildcard.queryToken().text()).isEqualTo("?");
    assertThat(wildcard.annotations()).hasSize(1);
    assertThat(wildcard.extendsOrSuperToken().text()).isEqualTo("extends");
    assertThatChildrenIteratorHasSize(wildcard, 4);
    variableTree = (VariableTree) firstMethodFirstStatement("public class T { void m() { ClassType<? extends @Foo @Bar A> var; } }");
    parameterizedTypeTree = (ParameterizedTypeTree) variableTree.type();
    assertThatChildrenIteratorHasSize(parameterizedTypeTree, 2);
    typeArguments = parameterizedTypeTree.typeArguments();
    assertThatChildrenIteratorHasSize(typeArguments, 3);
    wildcard = (WildcardTree) typeArguments.get(0);
    assertThat(wildcard.is(Tree.Kind.EXTENDS_WILDCARD)).isTrue();
    assertThat(wildcard.bound()).isInstanceOf(IdentifierTree.class);
    assertThat(wildcard.annotations()).isEmpty();
    assertThat(wildcard.queryToken().text()).isEqualTo("?");
    assertThat(wildcard.extendsOrSuperToken().text()).isEqualTo("extends");
    assertThatChildrenIteratorHasSize(wildcard, 3);
}