Add tests about anyhow and backtrace (#26)

.github/workflows/valgrind.yml

@@ -17,14 +17,21 @@ jobs:
           toolchain: nightly
           override: true
 
+      # - name: Install valgrind
+      #   run: sudo apt install -y valgrind
+
       - name: Install valgrind
-        run: sudo apt install -y valgrind
+        run: |
+          sudo apt update && sudo apt install -y libclang-dev libc6-dbg \
+          && wget -O valgrind.tar.bz2 https://sourceware.org/pub/valgrind/valgrind-3.19.0.tar.bz2 \
+          && mkdir valgrind && tar -xvjf valgrind.tar.bz2 -C valgrind --strip-components=1 \
+          && cd valgrind && ./configure && make && sudo make install
 
       - name: Run cargo build
         uses: actions-rs/cargo@v1
         with:
           command: build
-          args: --example containers
+          args: "--example containers --features 'anyhow backtrace'"
 
       - name: Run valgrind
         run: valgrind --error-exitcode=1 --leak-check=full ./target/debug/examples/containers

Cargo.toml

@@ -27,6 +27,7 @@ fastrand = "^1.3"
 [[example]]
 name = "containers"
 path = "tests/containers.rs"
+required-features = ["anyhow", "backtrace"]
 
 [features]
 default = []

tests/containers.rs

@@ -163,8 +163,19 @@ fn main() {
             assert_eq!(0xfe112233_i64, u32_into_dart.value.as_int64);
         }
     }
+
+    assert!(isolate.post(return_anyhow_error()));
+    assert!(isolate.post(return_backtrace()));
+
+    println!("all done!");
 }
 
+fn return_anyhow_error() -> anyhow::Result<()> {
+    Err(anyhow::anyhow!("sample error"))
+}
+
+fn return_backtrace() -> backtrace::Backtrace { backtrace::Backtrace::new() }
+
 #[cfg(test)]
 mod tests {
     #[test]