ci(release test):hello check cpp & todo build

.github/actions/test-helloworld/action.yml

@@ -1,11 +1,11 @@
-name: 'Test Hello World'
-description: 'Test Hello World with specific Go and module versions'
+name: "Test Hello World"
+description: "Test Hello World with specific Go and module versions"
 inputs:
   go-version:
-    description: 'Go version being tested'
+    description: "Go version being tested"
     required: true
   mod-version:
-    description: 'Go module version to use'
+    description: "Go module version to use"
     required: true
 runs:
   using: "composite"
@@ -24,12 +24,30 @@ runs:
         import (
           "fmt"
           "github.com/goplus/lib/c"
+          "github.com/goplus/lib/cpp/std"
         )
         func main() {
             fmt.Println("Hello, LLGo!")
             println("Hello, LLGo!")
             c.Printf(c.Str("Hello, LLGo!\n"))
+            c.Printf(std.Str("Hello LLGo by cpp/std.Str\n").CStr())
         }
         EOL
         go mod tidy
-        llgo run .
+        EXPECTED="Hello, LLGo!
+        Hello, LLGo!
+        Hello, LLGo!
+        Hello LLGo by cpp/std.Str"
+        OUTPUT=$(llgo run . 2>&1)
+        if echo "$OUTPUT" | grep -qF "$EXPECTED"; then
+            echo "Basic test passed"
+        else
+            echo "Basic test failed"
+            echo "Expected to contain:"
+            echo "$EXPECTED"
+            echo "Got:"
+            echo "$OUTPUT"
+            exit 1
+        fi
+
+        #TODO(zzy): Test embed targets, need dispatch target dir