1. A Benchmark for API-Misuse Detectors
Sven Amann•
, Sarah Nadi•
, Hoan A. Nguyen◦
, Tien N. Nguyen◦
, and Mira Mezini•
•
Technische Universität Darmstadt ◦
Iowa State University

2. List<String> l = …
for (String s : l) {
if (s.startsWith(“.”)) {
l.remove(s);
}
}
API Misuse
2

3. API-Misuse Detectors
3
2.
Find Rare Violations
(Anomalies)
1.
Obtain Patterns

4. 4

5. 5
Bug Datasets
Mining
GitHub & SourceForge Survey

6. 6
Project
Bug Report
Description
Involved Types
Characteristics
Repo + Fixing Commit
<misuse>.yml

7. 7
Contains 89 Misuses
68.5% Crashes
github.com/stg-tud/MUBench/tree/MSR16
From 33 Projects
and a Survey

8. 8
git
svn
synt
working
copy
version
with misuse

9. A Benchmark for
API-Misuse Detectors
github.com/stg-tud/MUBench
Sven Amann
amann@cs.tu-darmstadt.de