feat: check invalid #elif* and #endif

1 files changed, 50 insertions, 0 deletions

diff --git a/tests/106.sh b/tests/106.sh
new file mode 100644
index 0000000..2a61a33
--- /dev/null
+++ b/tests/106.sh
@@ -0,0 +1,50 @@
+cat <<'EOF' > expected
+main.c:1: unexpected '#elif'; no corresponding '#if'*
+EOF
+test_compile_error <<'EOF'
+#elif
+#endif
+
+int main() {}
+EOF
+
+cat <<'EOF' > expected
+main.c:1: unexpected '#endif'; no corresponding '#if'*
+EOF
+test_compile_error <<'EOF'
+#endif
+
+int main() {}
+EOF
+
+cat <<'EOF' > expected
+main.c:1: unexpected '#else'; no corresponding '#if'*
+EOF
+test_compile_error <<'EOF'
+#else
+#endif
+
+int main() {}
+EOF
+
+cat <<'EOF' > expected
+main.c:4: expected '#endif', but got '<eof>'
+EOF
+test_compile_error <<'EOF'
+#if 1
+
+int main() {}
+EOF
+
+cat <<'EOF' > a.h
+#if 1
+EOF
+cat <<'EOF' > expected
+./a.h:2: expected '#endif', but got '<eof>'
+EOF
+test_compile_error <<'EOF'
+#include "a.h"
+#endif
+
+int main() {}
+EOF