public function testToString() { $expr1 = new OrX(); $expr2 = new OrX(array(new GreaterThan(10), new EndsWith('.css'))); $expr3 = new OrX(array(new GreaterThan(10), new AndX(array(new Contains('foo'), new EndsWith('.css'))))); $this->assertSame('', $expr1->toString()); $this->assertSame('>10 || endsWith(".css")', $expr2->toString()); $this->assertSame('>10 || (contains("foo") && endsWith(".css"))', $expr3->toString()); }