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// Copyright 2021 Google Inc. All rights reserved.
//
// 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 cc
import (
"testing"
"android/soong/android"
)
var prepareForAsanTest = android.FixtureAddFile("asan/Android.bp", []byte(`
cc_library_shared {
name: "libclang_rt.asan-aarch64-android",
}
cc_library_shared {
name: "libclang_rt.asan-arm-android",
}
`))
func TestAsan(t *testing.T) {
bp := `
cc_binary {
name: "bin_with_asan",
host_supported: true,
shared_libs: [
"libshared",
"libasan",
],
static_libs: [
"libstatic",
"libnoasan",
],
sanitize: {
address: true,
}
}
cc_binary {
name: "bin_no_asan",
host_supported: true,
shared_libs: [
"libshared",
"libasan",
],
static_libs: [
"libstatic",
"libnoasan",
],
}
cc_library_shared {
name: "libshared",
host_supported: true,
shared_libs: ["libtransitive"],
}
cc_library_shared {
name: "libasan",
host_supported: true,
shared_libs: ["libtransitive"],
sanitize: {
address: true,
}
}
cc_library_shared {
name: "libtransitive",
host_supported: true,
}
cc_library_static {
name: "libstatic",
host_supported: true,
}
cc_library_static {
name: "libnoasan",
host_supported: true,
sanitize: {
address: false,
}
}
`
result := android.GroupFixturePreparers(
prepareForCcTest,
prepareForAsanTest,
).RunTestWithBp(t, bp)
check := func(t *testing.T, result *android.TestResult, variant string) {
asanVariant := variant + "_asan"
sharedVariant := variant + "_shared"
sharedAsanVariant := sharedVariant + "_asan"
staticVariant := variant + "_static"
staticAsanVariant := staticVariant + "_asan"
// The binaries, one with asan and one without
binWithAsan := result.ModuleForTests("bin_with_asan", asanVariant)
binNoAsan := result.ModuleForTests("bin_no_asan", variant)
// Shared libraries that don't request asan
libShared := result.ModuleForTests("libshared", sharedVariant)
libTransitive := result.ModuleForTests("libtransitive", sharedVariant)
// Shared library that requests asan
libAsan := result.ModuleForTests("libasan", sharedAsanVariant)
// Static library that uses an asan variant for bin_with_asan and a non-asan variant
// for bin_no_asan.
libStaticAsanVariant := result.ModuleForTests("libstatic", staticAsanVariant)
libStaticNoAsanVariant := result.ModuleForTests("libstatic", staticVariant)
// Static library that never uses asan.
libNoAsan := result.ModuleForTests("libnoasan", staticVariant)
// expectSharedLinkDep verifies that the from module links against the to module as a
// shared library.
expectSharedLinkDep := func(from, to android.TestingModule) {
t.Helper()
fromLink := from.Description("link")
toLink := to.Description("strip")
if g, w := fromLink.OrderOnly.Strings(), toLink.Output.String(); !android.InList(w, g) {
t.Errorf("%s should link against %s, expected %q, got %q",
from.Module(), to.Module(), w, g)
}
}
// expectStaticLinkDep verifies that the from module links against the to module as a
// static library.
expectStaticLinkDep := func(from, to android.TestingModule) {
t.Helper()
fromLink := from.Description("link")
toLink := to.Description("static link")
if g, w := fromLink.Implicits.Strings(), toLink.Output.String(); !android.InList(w, g) {
t.Errorf("%s should link against %s, expected %q, got %q",
from.Module(), to.Module(), w, g)
}
}
// expectInstallDep verifies that the install rule of the from module depends on the
// install rule of the to module.
expectInstallDep := func(from, to android.TestingModule) {
t.Helper()
fromInstalled := from.Description("install")
toInstalled := to.Description("install")
// combine implicits and order-only dependencies, host uses implicit but device uses
// order-only.
got := append(fromInstalled.Implicits.Strings(), fromInstalled.OrderOnly.Strings()...)
want := toInstalled.Output.String()
if !android.InList(want, got) {
t.Errorf("%s installation should depend on %s, expected %q, got %q",
from.Module(), to.Module(), want, got)
}
}
expectSharedLinkDep(binWithAsan, libShared)
expectSharedLinkDep(binWithAsan, libAsan)
expectSharedLinkDep(libShared, libTransitive)
expectSharedLinkDep(libAsan, libTransitive)
expectStaticLinkDep(binWithAsan, libStaticAsanVariant)
expectStaticLinkDep(binWithAsan, libNoAsan)
expectInstallDep(binWithAsan, libShared)
expectInstallDep(binWithAsan, libAsan)
expectInstallDep(binWithAsan, libTransitive)
expectInstallDep(libShared, libTransitive)
expectInstallDep(libAsan, libTransitive)
expectSharedLinkDep(binNoAsan, libShared)
expectSharedLinkDep(binNoAsan, libAsan)
expectSharedLinkDep(libShared, libTransitive)
expectSharedLinkDep(libAsan, libTransitive)
expectStaticLinkDep(binNoAsan, libStaticNoAsanVariant)
expectStaticLinkDep(binNoAsan, libNoAsan)
expectInstallDep(binNoAsan, libShared)
expectInstallDep(binNoAsan, libAsan)
expectInstallDep(binNoAsan, libTransitive)
expectInstallDep(libShared, libTransitive)
expectInstallDep(libAsan, libTransitive)
}
t.Run("host", func(t *testing.T) { check(t, result, result.Config.BuildOSTarget.String()) })
t.Run("device", func(t *testing.T) { check(t, result, "android_arm64_armv8-a") })
}
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