Add "coverage" Makefile target for lcov.info, add a test that extends…

… coverage
stellar · Sep 5, 2023 · bbf77d6 · bbf77d6
1 parent 243a362
commit bbf77d6
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diff --git a/Makefile b/Makefile
@@ -23,3 +23,8 @@ publish:
 
 publish-dry-run:
 	./publish-dry-run.sh
+
+# Requires: cargo-install llvm-cov
+coverage:
+	rm -f lcov.info
+	cargo llvm-cov test --all-features --tests --lcov --output-path=lcov.info
diff --git a/soroban-env-host/src/events/diagnostic.rs b/soroban-env-host/src/events/diagnostic.rs
@@ -177,3 +177,20 @@ impl Host {
         })
     }
 }
+
+#[test]
+fn misc_coverage() -> Result<(), HostError> {
+    use crate::xdr::HostFunctionType;
+    let host = Host::default();
+
+    // cover get_current_contract_id_unmetered on HostFunctionType::InvokeContract
+    host.with_frame(
+        Frame::HostFunction(HostFunctionType::InvokeContract),
+        || {
+            assert_eq!(host.get_current_contract_id_unmetered()?, None);
+            Ok(Val::VOID.into())
+        },
+    )?;
+
+    Ok(())
+}