ci: run llgo test ./...

test/c_test.go

@@ -0,0 +1,21 @@
+//go:build llgo
+// +build llgo
+
+package test
+
+import (
+	"testing"
+
+	"github.com/goplus/llgo/c"
+)
+
+// Can't put it in c/ package because it is marked as 'decl'
+func TestCstr(t *testing.T) {
+	cstr := c.Str("foo")
+	if cstr == nil {
+		t.Fatal("cstr() returned nil")
+	}
+	if c.Strlen(cstr) != 3 {
+		t.Fatal("cstr() returned invalid length")
+	}
+}