--- /dev/null
+<?php
+
+namespace PhpParser\Builder;
+
+use PhpParser\Comment;
+use PhpParser\Node;
+use PhpParser\Node\Expr\Print_;
+use PhpParser\Node\Scalar\String_;
+use PhpParser\Node\Stmt;
+
+class FunctionTest extends \PHPUnit_Framework_TestCase
+{
+ public function createFunctionBuilder($name) {
+ return new Function_($name);
+ }
+
+ public function testReturnByRef() {
+ $node = $this->createFunctionBuilder('test')
+ ->makeReturnByRef()
+ ->getNode()
+ ;
+
+ $this->assertEquals(
+ new Stmt\Function_('test', array(
+ 'byRef' => true
+ )),
+ $node
+ );
+ }
+
+ public function testParams() {
+ $param1 = new Node\Param('test1');
+ $param2 = new Node\Param('test2');
+ $param3 = new Node\Param('test3');
+
+ $node = $this->createFunctionBuilder('test')
+ ->addParam($param1)
+ ->addParams(array($param2, $param3))
+ ->getNode()
+ ;
+
+ $this->assertEquals(
+ new Stmt\Function_('test', array(
+ 'params' => array($param1, $param2, $param3)
+ )),
+ $node
+ );
+ }
+
+ public function testStmts() {
+ $stmt1 = new Print_(new String_('test1'));
+ $stmt2 = new Print_(new String_('test2'));
+ $stmt3 = new Print_(new String_('test3'));
+
+ $node = $this->createFunctionBuilder('test')
+ ->addStmt($stmt1)
+ ->addStmts(array($stmt2, $stmt3))
+ ->getNode()
+ ;
+
+ $this->assertEquals(
+ new Stmt\Function_('test', array(
+ 'stmts' => array($stmt1, $stmt2, $stmt3)
+ )),
+ $node
+ );
+ }
+
+ public function testDocComment() {
+ $node = $this->createFunctionBuilder('test')
+ ->setDocComment('/** Test */')
+ ->getNode();
+
+ $this->assertEquals(new Stmt\Function_('test', array(), array(
+ 'comments' => array(new Comment\Doc('/** Test */'))
+ )), $node);
+ }
+
+ public function testReturnType() {
+ $node = $this->createFunctionBuilder('test')
+ ->setReturnType('void')
+ ->getNode();
+
+ $this->assertEquals(new Stmt\Function_('test', array(
+ 'returnType' => 'void'
+ ), array()), $node);
+ }
+
+ /**
+ * @expectedException \LogicException
+ * @expectedExceptionMessage void type cannot be nullable
+ */
+ public function testInvalidNullableVoidType() {
+ $this->createFunctionBuilder('test')->setReturnType('?void');
+ }
+
+ /**
+ * @expectedException \LogicException
+ * @expectedExceptionMessage Expected parameter node, got "Name"
+ */
+ public function testInvalidParamError() {
+ $this->createFunctionBuilder('test')
+ ->addParam(new Node\Name('foo'))
+ ;
+ }
+}