initial fuzzer for oss-fuzz integration.

fuzz/.gitignore

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+
+target
+corpus
+artifacts

fuzz/Cargo.toml

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+
+[package]
+name = "unicode-segmentation-fuzz"
+version = "0.0.0"
+authors = ["Automatically generated"]
+publish = false
+edition = "2018"
+
+[package.metadata]
+cargo-fuzz = true
+
+[dependencies]
+libfuzzer-sys = "0.4"
+
+[dependencies.unicode-segmentation]
+path = ".."
+
+# Prevent this from interfering with workspaces
+[workspace]
+members = ["."]
+
+[[bin]]
+name = "fuzz_target_1"
+path = "fuzz_targets/fuzz_target_1.rs"
+test = false
+doc = false

fuzz/fuzz_targets/fuzz_target_1.rs

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+#![no_main]
+use libfuzzer_sys::fuzz_target;
+use unicode_segmentation::UnicodeSegmentation;
+
+fuzz_target!(|data: &[u8]| {
+    if let Ok(s) = std::str::from_utf8(data) {
+        let _g = s.graphemes(true).collect::<Vec<&str>>();
+        let _w = s.unicode_words().collect::<Vec<&str>>();
+        let _ws = s.split_word_bounds().collect::<Vec<&str>>();
+    }
+});