@Test
public void with_else() throws Exception {
IfStatementTree tree = parse("if (a) {} else {}", Kind.IF_STATEMENT);
assertThat(tree.is(Kind.IF_STATEMENT)).isTrue();
assertThat(tree.ifKeyword().text()).isEqualTo(JavaScriptKeyword.IF.getValue());
assertThat(tree.openParenthesis().text())
.isEqualTo(JavaScriptPunctuator.LPARENTHESIS.getValue());
assertThat(tree.condition()).isNotNull();
assertThat(tree.closeParenthesis().text())
.isEqualTo(JavaScriptPunctuator.RPARENTHESIS.getValue());
assertThat(tree.statement().is(Kind.BLOCK)).isTrue();
assertThat(tree.elseClause().elseKeyword().text()).isEqualTo(JavaScriptKeyword.ELSE.getValue());
assertThat(tree.elseClause().statement().is(Kind.BLOCK)).isTrue();
}
private void visitIf(IfStatementTree tree) {
scan(tree.condition());
scan(tree.statement());
ElseClauseTree elseClauseTree = tree.elseClause();
if (tree.elseClause() != null && elseClauseTree.statement().is(Kind.IF_STATEMENT)) {
visitIf((IfStatementTreeImpl) tree.elseClause().statement());
} else {
scan(tree.elseClause());
}
}