diff --git a/coverage.sh b/coverage.sh
index 77a35ce2..9145d2f3 100644
--- a/coverage.sh
+++ b/coverage.sh
@@ -7,8 +7,19 @@ cargo build
 cargo test
 unset RUSTFLAGS
 
+target/debug/cargo-capi capi --help
 target/debug/cargo-capi capi test --manifest-path=example-project/Cargo.toml
+target/debug/cargo-capi capi clean --manifest-path=example-project/Cargo.toml
 target/debug/cargo-capi capi build --manifest-path=example-project/Cargo.toml
+
+target/debug/cargo-cbuild --help
+target/debug/cargo-cbuild clean --manifest-path=example-project/Cargo.toml
+target/debug/cargo-cbuild cbuild --manifest-path=example-project/Cargo.toml
+target/debug/cargo-ctest metadata --help
+target/debug/cargo-ctest ctest --manifest-path=example-project/Cargo.toml
+
+target/debug/cargo-cinstall --help
 target/debug/cargo-cinstall cinstall --manifest-path=example-project/Cargo.toml --destdir=/tmp/staging
+target/debug/cargo-cinstall cinstall clean --manifest-path=example-project/Cargo.toml
 
 grcov . --binary-path target/debug/deps/ -s . -t lcov --branch --ignore-not-existing --ignore '../**' --ignore '/*' -o coverage.lcov