// Copyright 2020 The Android Open Source Project // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package rust import ( "strings" "testing" "android/soong/android" "android/soong/cc" ) func TestRustFuzz(t *testing.T) { ctx := testRust(t, ` rust_library { name: "libtest_fuzzing", crate_name: "test_fuzzing", srcs: ["foo.rs"], } rust_fuzz { name: "fuzz_libtest", srcs: ["foo.rs"], rustlibs: ["libtest_fuzzing"], } `) // Check that appropriate dependencies are added and that the rustlib linkage is correct. fuzz_libtest_mod := ctx.ModuleForTests("fuzz_libtest", "android_arm64_armv8-a_fuzzer").Module().(*Module) if !android.InList("liblibfuzzer_sys.rlib-std", fuzz_libtest_mod.Properties.AndroidMkRlibs) { t.Errorf("liblibfuzzer_sys rlib library dependency missing for rust_fuzz module. %#v", fuzz_libtest_mod.Properties.AndroidMkRlibs) } if !android.InList("libtest_fuzzing.rlib-std", fuzz_libtest_mod.Properties.AndroidMkRlibs) { t.Errorf("rustlibs not linked as rlib for rust_fuzz module.") } // Check that compiler flags are set appropriately . fuzz_libtest := ctx.ModuleForTests("fuzz_libtest", "android_arm64_armv8-a_fuzzer").Rule("rustc") if !strings.Contains(fuzz_libtest.Args["rustcFlags"], "-C passes='sancov-module'") || !strings.Contains(fuzz_libtest.Args["rustcFlags"], "--cfg fuzzing") { t.Errorf("rust_fuzz module does not contain the expected flags (sancov-module, cfg fuzzing).") } // Check that dependencies have 'fuzzer' variants produced for them as well. libtest_fuzzer := ctx.ModuleForTests("libtest_fuzzing", "android_arm64_armv8-a_rlib_rlib-std_fuzzer").Output("libtest_fuzzing.rlib") if !strings.Contains(libtest_fuzzer.Args["rustcFlags"], "-C passes='sancov-module'") || !strings.Contains(libtest_fuzzer.Args["rustcFlags"], "--cfg fuzzing") { t.Errorf("rust_fuzz dependent library does not contain the expected flags (sancov-module, cfg fuzzing).") } } func TestRustFuzzDepBundling(t *testing.T) { ctx := testRust(t, ` cc_library { name: "libcc_transitive_dep", } cc_library { name: "libcc_direct_dep", } rust_library { name: "libtest_fuzzing", crate_name: "test_fuzzing", srcs: ["foo.rs"], shared_libs: ["libcc_transitive_dep"], } rust_fuzz { name: "fuzz_libtest", srcs: ["foo.rs"], rustlibs: ["libtest_fuzzing"], shared_libs: ["libcc_direct_dep"], } `) fuzz_libtest := ctx.ModuleForTests("fuzz_libtest", "android_arm64_armv8-a_fuzzer").Module().(*Module) if !strings.Contains(fuzz_libtest.FuzzSharedLibraries().String(), ":libcc_direct_dep.so") { t.Errorf("rust_fuzz does not contain the expected bundled direct shared libs ('libcc_direct_dep'): %#v", fuzz_libtest.FuzzSharedLibraries().String()) } if !strings.Contains(fuzz_libtest.FuzzSharedLibraries().String(), ":libcc_transitive_dep.so") { t.Errorf("rust_fuzz does not contain the expected bundled transitive shared libs ('libcc_transitive_dep'): %#v", fuzz_libtest.FuzzSharedLibraries().String()) } } func TestCCFuzzDepBundling(t *testing.T) { ctx := testRust(t, ` cc_library { name: "libcc_transitive_dep", } rust_ffi { name: "libtest_fuzzing", crate_name: "test_fuzzing", srcs: ["foo.rs"], shared_libs: ["libcc_transitive_dep"], } cc_fuzz { name: "fuzz_shared_libtest", shared_libs: ["libtest_fuzzing"], } cc_fuzz { name: "fuzz_static_libtest", static_libs: ["libtest_fuzzing"], } `) fuzz_shared_libtest := ctx.ModuleForTests("fuzz_shared_libtest", "android_arm64_armv8-a_fuzzer").Module().(cc.LinkableInterface) fuzz_static_libtest := ctx.ModuleForTests("fuzz_static_libtest", "android_arm64_armv8-a_fuzzer").Module().(cc.LinkableInterface) if !strings.Contains(fuzz_shared_libtest.FuzzSharedLibraries().String(), ":libcc_transitive_dep.so") { t.Errorf("cc_fuzz does not contain the expected bundled transitive shared libs from rust_ffi_shared ('libcc_transitive_dep'): %#v", fuzz_shared_libtest.FuzzSharedLibraries().String()) } if !strings.Contains(fuzz_static_libtest.FuzzSharedLibraries().String(), ":libcc_transitive_dep.so") { t.Errorf("cc_fuzz does not contain the expected bundled transitive shared libs from rust_ffi_static ('libcc_transitive_dep'): %#v", fuzz_static_libtest.FuzzSharedLibraries().String()) } }