1# PerfettoSQL Chrome Standard Library tests 2 3This directory contains the [Perfetto Diff Tests](https://perfetto.dev/docs/analysis/trace-processor#diff-tests) to test changes to the Chrome standard library. 4 5The diff tests themselves are in `./trace_processor/diff_tests/chrome`. The `./data` directory contains the Perfetto traces that are used by the diff tests. 6 7## Running Diff Tests 8 9Currently, the diff tests only run on Linux. You can build and run the diff tests with the following. 10 11``` 12$ gn gen --args='' out/Linux 13$ autoninja -C out/Linux perfetto_diff_tests 14$ out/Linux/bin/run_perfetto_diff_tests 15```