Sub2API v1.0 - AI API 网关（二开初始版本，基于上游 Wei-Shaw/sub2api）

backend/internal/platform/liveattestation/attestation_unsupported_test.go

@@ -0,0 +1,20 @@
+//go:build !darwin
+
+package liveattestation
+
+import (
+	"context"
+	"errors"
+	"testing"
+)
+
+func TestUnsupportedProviderReturnsExplicitPlatformError(t *testing.T) {
+	provider := NewProvider()
+	if err := provider.Check(context.Background()); !errors.Is(err, ErrUnsupportedPlatform) {
+		t.Fatalf("Check() error = %v, want ErrUnsupportedPlatform", err)
+	}
+	_, err := provider.Generate(context.Background())
+	if !errors.Is(err, ErrUnsupportedPlatform) {
+		t.Fatalf("Generate() error = %v, want ErrUnsupportedPlatform", err)
+	}
+}