axel/src/test/java/fr/xgouchet/xmleditor/test/TreeNodeAssert.java
public TreeNodeAssert<T> hasNullParent() {
        isNotNull();

        assertThat(actual.getParent())
                .overridingErrorMessage("Expected parent to be <null> but was <%s>", actual.getParent())
                .isNull();

        return this;
    }
/**
     * Verify that the actual node has a null parent
     *
     * @return this assertion object
     */
Verify that the actual node has a null parent
@return this assertion object
Verify that the actual node has a null parent @return this assertion object
public TreeNodeAssert<T> hasNullParent() {
        isNotNull();
        assertThat(actual.getParent())
                .overridingErrorMessage("Expected parent to be <null> but was <%s>", actual.getParent())
                .isNull();
        return this;
    }
public TreeNodeAssert < T > hasNullParent ( ) { isNotNull ( ) ; assertThat ( actual . getParent ( ) ) . overridingErrorMessage ( "Expected parent to be <null> but was <%s>" , actual . getParent ( ) ) . isNull ( ) ; return this ; }
Verify that the actual node has a null parent
 @return this assertion object
Verify that the actual node has a null parent @return this assertion object