public function testDays() { $ci = new Interval(0, 0, 0, 1); $this->assertInstanceOfInterval($ci); $this->assertInterval($ci, 0, 0, 1, 0, 0, 0); $ci = Interval::days(2); $this->assertInstanceOfInterval($ci); $this->assertInterval($ci, 0, 0, 2, 0, 0, 0); $ci = Interval::dayz(2); $this->assertInstanceOfInterval($ci); $this->assertInterval($ci, 0, 0, 2, 0, 0, 0); $ci = Interval::day(); $this->assertInstanceOfInterval($ci); $this->assertInterval($ci, 0, 0, 1, 0, 0, 0); $ci = Interval::day(3); $this->assertInstanceOfInterval($ci); $this->assertInterval($ci, 0, 0, 3, 0, 0, 0); }