public function testSnakeToCamelCase() { $this->assertEquals('ThisIsATest', U::snakeToCamelCase('this_is_a_test')); $this->assertEquals('Short', U::snakeToCamelCase('short')); $this->assertEquals('VeryVeryVeryVeryLONG', U::snakeToCamelCase('very_very_very_very_LONG')); }