proc_macro_test.go 1.1 KB

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  1. // Copyright 2021 The Android Open Source Project
  2. //
  3. // Licensed under the Apache License, Version 2.0 (the "License");
  4. // you may not use this file except in compliance with the License.
  5. // You may obtain a copy of the License at
  6. //
  7. // http://www.apache.org/licenses/LICENSE-2.0
  8. //
  9. // Unless required by applicable law or agreed to in writing, software
  10. // distributed under the License is distributed on an "AS IS" BASIS,
  11. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12. // See the License for the specific language governing permissions and
  13. // limitations under the License.
  14. package rust
  15. import (
  16. "strings"
  17. "testing"
  18. )
  19. func TestRustProcMacro(t *testing.T) {
  20. ctx := testRust(t, `
  21. rust_proc_macro {
  22. name: "libprocmacro",
  23. srcs: ["foo.rs"],
  24. crate_name: "procmacro",
  25. }
  26. `)
  27. libprocmacro := ctx.ModuleForTests("libprocmacro", "linux_glibc_x86_64").Rule("rustc")
  28. if !strings.Contains(libprocmacro.Args["rustcFlags"], "--extern proc_macro") {
  29. t.Errorf("--extern proc_macro flag not being passed to rustc for proc macro %#v", libprocmacro.Args["rustcFlags"])
  30. }
  31. }