| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 3,624 of 4,075 | 11% | 527 of 564 | 6% | 373 | 391 | 784 | 884 | 93 | 104 | 4 | 6 |
| MessageFormat | | 22% | | 14% | 156 | 170 | 334 | 426 | 29 | 36 | 0 | 1 |
| AttributedString | | 0% | | 0% | 108 | 108 | 265 | 265 | 25 | 25 | 1 | 1 |
| AttributedString.AttributedStringIterator | | 0% | | 0% | 83 | 83 | 135 | 135 | 25 | 25 | 1 | 1 |
| AttributedString.AttributeMap | | 0% | | 0% | 6 | 6 | 20 | 20 | 3 | 3 | 1 | 1 |
| FormatInfo | | 18% | | 0% | 9 | 13 | 17 | 25 | 4 | 8 | 0 | 1 |
| AttributeEntry | | 0% | | 0% | 11 | 11 | 13 | 13 | 7 | 7 | 1 | 1 |