Multi value! And even more fuzzing!

.travis.yml

@@ -7,6 +7,9 @@ before_install:
   - export PATH=$PATH:`pwd`/sccache-0.2.7-$target
   - export RUSTC_WRAPPER=sccache
 
+before_script:
+  - export RUST_BACKTRACE=1
+
 after_script:
   - sccache -s
 
@@ -33,15 +36,11 @@ install:
 
 matrix:
   include:
-    - name: "test (stable)"
-      rust: stable
-    - name: "test (beta)"
-      rust: beta
-    - name: "test (nightly)"
-      rust: nightly
-
-    # A job to run our fuzzers a bit longer than the default.
-    - name: "fuzz (stable)"
+    # First up: some jobs to run our fuzzers a bit longer than the default when
+    # we do `cargo test`.
+    #
+    # We run these first because they take the longest.
+    - name: "fuzz-utils (stable)"
       rust: stable
       env:
         # 300 seconds = 5 minutes.
@@ -50,9 +49,52 @@ matrix:
         |
           # When the fuzzing fails, the logs are too big for Travis, so just
           # show the relevant tail portion of the log.
-          cargo test -p walrus-fuzz > fuzz.log || {
+          cargo test -p walrus-fuzz-utils > fuzz.log || {
+              tail -n 1000 fuzz.log && exit 1
+          }
+    - name: "cargo fuzz run watgen (nightly)"
+      rust: nightly
+      script:
+        |
+          which cargo-fuzz || cargo install cargo-fuzz
+          # When the fuzzing fails, the logs are too big for Travis, so just
+          # show the relevant tail portion of the log.
+          cargo fuzz run watgen -- -max_total_time=300 > fuzz.log 2>&1 || {
               tail -n 1000 fuzz.log && exit 1
           }
+    - name: "cargo fuzz run wasm-opt-ttf (nightly)"
+      rust: nightly
+      script:
+        |
+          which cargo-fuzz || cargo install cargo-fuzz
+
+          (for (( ; ; )); do
+              tail -n 100 fuzz.log || true
+              sleep 10
+          done) &
+
+          # When the fuzzing fails, the logs are too big for Travis, so just
+          # show the relevant tail portion of the log.
+          cargo fuzz run wasm-opt-ttf -- -max_total_time=300 > fuzz.log 2>&1 || {
+              tail -n 1000 fuzz.log && exit 1
+          }
+    - name: "cargo fuzz run raw (nightly)"
+      rust: nightly
+      script:
+        |
+          which cargo-fuzz || cargo install cargo-fuzz
+          # When the fuzzing fails, the logs are too big for Travis, so just
+          # show the relevant tail portion of the log.
+          cargo fuzz run raw -- -max_total_time=300 > fuzz.log 2>&1 || {
+              tail -n 1000 fuzz.log && exit 1
+          }
+
+    - name: "test (stable)"
+      rust: stable
+    - name: "test (beta)"
+      rust: beta
+    - name: "test (nightly)"
+      rust: nightly
 
     - name: "check benches"
       rust: stable
@@ -71,7 +113,6 @@ matrix:
         on:
           branch: master
 
-
 script:
   - cargo build --all
   - cargo test --all

Cargo.toml

@@ -40,7 +40,7 @@ criterion = "0.3.0"
 
 [workspace]
 members = [
-    "./crates/fuzz",
+    "./crates/fuzz-utils",
     "./crates/macro",
     "./crates/tests",
     "./crates/tests-utils",

benches/benches.rs

@@ -10,7 +10,7 @@ fn criterion_benchmark(c: &mut Criterion) {
                 let input_wasm = black_box(input_wasm);
                 let mut module = Module::from_buffer(input_wasm).unwrap();
                 walrus::passes::gc::run(&mut module);
-                let output_wasm = module.emit_wasm().unwrap();
+                let output_wasm = module.emit_wasm();
                 black_box(output_wasm);
             });
         }),

crates/fuzz/Cargo.toml → crates/fuzz-utils/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 authors = ["Nick Fitzgerald <fitzgen@gmail.com>"]
 edition = "2018"
-name = "walrus-fuzz"
+name = "walrus-fuzz-utils"
 version = "0.1.0"
 publish = false
 
@@ -16,3 +16,6 @@ path = "../.."
 
 [dependencies.walrus-tests-utils]
 path = "../tests-utils"
+
+[dev-dependencies]
+bufrng = "1.0.1"