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 15package rust 16 17import ( 18 "strings" 19 "testing" 20) 21 22func TestRustProcMacro(t *testing.T) { 23 ctx := testRust(t, ` 24 rust_proc_macro { 25 name: "libprocmacro", 26 srcs: ["foo.rs"], 27 crate_name: "procmacro", 28 } 29 `) 30 31 libprocmacro := ctx.ModuleForTests("libprocmacro", "linux_glibc_x86_64").Rule("rustc") 32 33 if !strings.Contains(libprocmacro.Args["rustcFlags"], "--extern proc_macro") { 34 t.Errorf("--extern proc_macro flag not being passed to rustc for proc macro %#v", libprocmacro.Args["rustcFlags"]) 35 } 36} 37