3 files changed, 35 insertions, 0 deletions

diff --git a/crates/ra_syntax/fuzz/.gitignore b/crates/ra_syntax/fuzz/.gitignore
new file mode 100644
index 000000000..572e03bdf
--- /dev/null
+++ b/crates/ra_syntax/fuzz/.gitignore
@@ -0,0 +1,4 @@
+
+target
+corpus
+artifacts
diff --git a/crates/ra_syntax/fuzz/Cargo.toml b/crates/ra_syntax/fuzz/Cargo.toml
new file mode 100644
index 000000000..65ded6a21
--- /dev/null
+++ b/crates/ra_syntax/fuzz/Cargo.toml
@@ -0,0 +1,22 @@
+
+[package]
+name = "ra_syntax-fuzz"
+version = "0.0.1"
+authors = ["Automatically generated"]
+publish = false
+
+[package.metadata]
+cargo-fuzz = true
+
+[dependencies.ra_syntax]
+path = ".."
+[dependencies.libfuzzer-sys]
+git = "https://github.com/rust-fuzz/libfuzzer-sys.git"
+
+# Prevent this from interfering with workspaces
+[workspace]
+members = ["."]
+
+[[bin]]
+name = "parser"
+path = "fuzz_targets/parser.rs"
diff --git a/crates/ra_syntax/fuzz/fuzz_targets/parser.rs b/crates/ra_syntax/fuzz/fuzz_targets/parser.rs
new file mode 100644
index 000000000..396c0ecaf
--- /dev/null
+++ b/crates/ra_syntax/fuzz/fuzz_targets/parser.rs
@@ -0,0 +1,9 @@
+#![no_main]
+#[macro_use] extern crate libfuzzer_sys;
+extern crate ra_syntax;
+
+fuzz_target!(|data: &[u8]| {
+    if let Ok(text) = std::str::from_utf8(data) {
+        ra_syntax::utils::check_fuzz_invariants(text)
+    }
+});