JXTreeUnitTest.java 文件源码

/**
 * Issue #817-swingx: Delegating renderer must create list's default.
 * Delegating has default from list initially, here: custom default.
 */
@Test
public void testDelegatingRendererUseCustomDefaultSetNull() {
    JXTree list = new JXTree() {

        @Override
        protected TreeCellRenderer createDefaultCellRenderer() {
            return new CustomDefaultRenderer();
        }

    };
    TreeCellRenderer defaultRenderer = list.createDefaultCellRenderer();
    DelegatingRenderer renderer = (DelegatingRenderer) list.getCellRenderer();
    list.setCellRenderer(null);
    assertEquals("wrapping renderer must use list's default on null",
            defaultRenderer.getClass(), renderer.getDelegateRenderer().getClass());
}