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// 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"],
}
rust_fuzz_host {
name: "host_fuzzer",
srcs: ["foo.rs"],
}
`)
// Check that appropriate dependencies are added and that the rustlib linkage is correct.
fuzz_libtest_mod := ctx.ModuleForTests(t, "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(t, "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 host modules support fuzzing.
host_fuzzer := ctx.ModuleForTests(t, "fuzz_libtest", "android_arm64_armv8-a_fuzzer").Rule("rustc")
if !strings.Contains(host_fuzzer.Args["rustcFlags"], "-C passes='sancov-module'") ||
!strings.Contains(host_fuzzer.Args["rustcFlags"], "--cfg fuzzing") {
t.Errorf("rust_fuzz_host 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(t, "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(t, "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"],
}
rust_ffi_static {
name: "libtest_fuzzing_static",
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"],
}
cc_fuzz {
name: "fuzz_staticffi_libtest",
static_libs: ["libtest_fuzzing_static"],
}
`)
fuzz_shared_libtest := ctx.ModuleForTests(t, "fuzz_shared_libtest", "android_arm64_armv8-a_fuzzer").Module().(cc.LinkableInterface)
fuzz_static_libtest := ctx.ModuleForTests(t, "fuzz_static_libtest", "android_arm64_armv8-a_fuzzer").Module().(cc.LinkableInterface)
fuzz_staticffi_libtest := ctx.ModuleForTests(t, "fuzz_staticffi_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())
}
if !strings.Contains(fuzz_staticffi_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_staticffi_libtest.FuzzSharedLibraries().String())
}
}
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