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// Copyright 2019 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"
)
// Test that variants are being generated correctly, and that crate-types are correct.
func TestLibraryVariants(t *testing.T) {
ctx := testRust(t, `
rust_library_host {
name: "libfoo",
srcs: ["foo.rs"],
crate_name: "foo",
}
rust_ffi_host {
name: "libfoo.ffi",
srcs: ["foo.rs"],
crate_name: "foo"
}`)
// Test all variants are being built.
libfooRlib := ctx.ModuleForTests("libfoo", "linux_glibc_x86_64_rlib_rlib-std").Rule("rustc")
libfooDylib := ctx.ModuleForTests("libfoo", "linux_glibc_x86_64_dylib").Rule("rustc")
libfooStatic := ctx.ModuleForTests("libfoo.ffi", "linux_glibc_x86_64_static").Rule("rustc")
libfooShared := ctx.ModuleForTests("libfoo.ffi", "linux_glibc_x86_64_shared").Rule("rustc")
rlibCrateType := "rlib"
dylibCrateType := "dylib"
sharedCrateType := "cdylib"
staticCrateType := "static"
// Test crate type for rlib is correct.
if !strings.Contains(libfooRlib.Args["rustcFlags"], "crate-type="+rlibCrateType) {
t.Errorf("missing crate-type for static variant, expecting %#v, rustcFlags: %#v", rlibCrateType, libfooRlib.Args["rustcFlags"])
}
// Test crate type for dylib is correct.
if !strings.Contains(libfooDylib.Args["rustcFlags"], "crate-type="+dylibCrateType) {
t.Errorf("missing crate-type for static variant, expecting %#v, rustcFlags: %#v", dylibCrateType, libfooDylib.Args["rustcFlags"])
}
// Test crate type for C static libraries is correct.
if !strings.Contains(libfooStatic.Args["rustcFlags"], "crate-type="+staticCrateType) {
t.Errorf("missing crate-type for static variant, expecting %#v, rustcFlags: %#v", staticCrateType, libfooStatic.Args["rustcFlags"])
}
// Test crate type for C shared libraries is correct.
if !strings.Contains(libfooShared.Args["rustcFlags"], "crate-type="+sharedCrateType) {
t.Errorf("missing crate-type for shared variant, expecting %#v, got rustcFlags: %#v", sharedCrateType, libfooShared.Args["rustcFlags"])
}
}
// Test that dylibs are not statically linking the standard library.
func TestDylibPreferDynamic(t *testing.T) {
ctx := testRust(t, `
rust_library_host_dylib {
name: "libfoo",
srcs: ["foo.rs"],
crate_name: "foo",
}`)
libfooDylib := ctx.ModuleForTests("libfoo", "linux_glibc_x86_64_dylib").Rule("rustc")
if !strings.Contains(libfooDylib.Args["rustcFlags"], "prefer-dynamic") {
t.Errorf("missing prefer-dynamic flag for libfoo dylib, rustcFlags: %#v", libfooDylib.Args["rustcFlags"])
}
}
// Check that we are passing the android_dylib config flag
func TestAndroidDylib(t *testing.T) {
ctx := testRust(t, `
rust_library_host_dylib {
name: "libfoo",
srcs: ["foo.rs"],
crate_name: "foo",
}`)
libfooDylib := ctx.ModuleForTests("libfoo", "linux_glibc_x86_64_dylib").Rule("rustc")
if !strings.Contains(libfooDylib.Args["rustcFlags"], "--cfg 'android_dylib'") {
t.Errorf("missing android_dylib cfg flag for libfoo dylib, rustcFlags: %#v", libfooDylib.Args["rustcFlags"])
}
}
func TestValidateLibraryStem(t *testing.T) {
testRustError(t, "crate_name must be defined.", `
rust_library_host {
name: "libfoo",
srcs: ["foo.rs"],
}`)
testRustError(t, "library crate_names must be alphanumeric with underscores allowed", `
rust_library_host {
name: "libfoo-bar",
srcs: ["foo.rs"],
crate_name: "foo-bar"
}`)
testRustError(t, "Invalid name or stem property; library filenames must start with lib<crate_name>", `
rust_library_host {
name: "foobar",
srcs: ["foo.rs"],
crate_name: "foo_bar"
}`)
testRustError(t, "Invalid name or stem property; library filenames must start with lib<crate_name>", `
rust_library_host {
name: "foobar",
stem: "libfoo",
srcs: ["foo.rs"],
crate_name: "foo_bar"
}`)
testRustError(t, "Invalid name or stem property; library filenames must start with lib<crate_name>", `
rust_library_host {
name: "foobar",
stem: "foo_bar",
srcs: ["foo.rs"],
crate_name: "foo_bar"
}`)
}
func TestSharedLibrary(t *testing.T) {
ctx := testRust(t, `
rust_ffi_shared {
name: "libfoo",
srcs: ["foo.rs"],
crate_name: "foo",
}`)
libfoo := ctx.ModuleForTests("libfoo", "android_arm64_armv8-a_shared")
libfooOutput := libfoo.Rule("rustc")
if !strings.Contains(libfooOutput.Args["linkFlags"], "-Wl,-soname=libfoo.so") {
t.Errorf("missing expected -Wl,-soname linker flag for libfoo shared lib, linkFlags: %#v",
libfooOutput.Args["linkFlags"])
}
if !android.InList("libstd", libfoo.Module().(*Module).Properties.AndroidMkDylibs) {
t.Errorf("Non-static libstd dylib expected to be a dependency of Rust shared libraries. Dylib deps are: %#v",
libfoo.Module().(*Module).Properties.AndroidMkDylibs)
}
}
func TestSharedLibraryToc(t *testing.T) {
ctx := testRust(t, `
rust_ffi_shared {
name: "libfoo",
srcs: ["foo.rs"],
crate_name: "foo",
}
cc_binary {
name: "fizzbuzz",
shared_libs: ["libfoo"],
}`)
fizzbuzz := ctx.ModuleForTests("fizzbuzz", "android_arm64_armv8-a").Rule("ld")
if !android.SuffixInList(fizzbuzz.Implicits.Strings(), "libfoo.so.toc") {
t.Errorf("missing expected libfoo.so.toc implicit dependency, instead found: %#v",
fizzbuzz.Implicits.Strings())
}
}
func TestStaticLibraryLinkage(t *testing.T) {
ctx := testRust(t, `
rust_ffi_static {
name: "libfoo",
srcs: ["foo.rs"],
crate_name: "foo",
}`)
libfoo := ctx.ModuleForTests("libfoo", "android_arm64_armv8-a_static")
if !android.InList("libstd", libfoo.Module().(*Module).Properties.AndroidMkRlibs) {
t.Errorf("Static libstd rlib expected to be a dependency of Rust static libraries. Rlib deps are: %#v",
libfoo.Module().(*Module).Properties.AndroidMkDylibs)
}
}
// Test that variants pull in the right type of rustlib autodep
func TestAutoDeps(t *testing.T) {
ctx := testRust(t, `
rust_library_host {
name: "libbar",
srcs: ["bar.rs"],
crate_name: "bar",
}
rust_library_host_rlib {
name: "librlib_only",
srcs: ["bar.rs"],
crate_name: "rlib_only",
}
rust_library_host {
name: "libfoo",
srcs: ["foo.rs"],
crate_name: "foo",
rustlibs: [
"libbar",
"librlib_only",
],
}
rust_ffi_host {
name: "libfoo.ffi",
srcs: ["foo.rs"],
crate_name: "foo",
rustlibs: [
"libbar",
"librlib_only",
],
}`)
libfooRlib := ctx.ModuleForTests("libfoo", "linux_glibc_x86_64_rlib_rlib-std")
libfooDylib := ctx.ModuleForTests("libfoo", "linux_glibc_x86_64_dylib")
libfooStatic := ctx.ModuleForTests("libfoo.ffi", "linux_glibc_x86_64_static")
libfooShared := ctx.ModuleForTests("libfoo.ffi", "linux_glibc_x86_64_shared")
for _, static := range []android.TestingModule{libfooRlib, libfooStatic} {
if !android.InList("libbar.rlib-std", static.Module().(*Module).Properties.AndroidMkRlibs) {
t.Errorf("libbar not present as rlib dependency in static lib")
}
if android.InList("libbar", static.Module().(*Module).Properties.AndroidMkDylibs) {
t.Errorf("libbar present as dynamic dependency in static lib")
}
}
for _, dyn := range []android.TestingModule{libfooDylib, libfooShared} {
if !android.InList("libbar", dyn.Module().(*Module).Properties.AndroidMkDylibs) {
t.Errorf("libbar not present as dynamic dependency in dynamic lib")
}
if android.InList("libbar.dylib-std", dyn.Module().(*Module).Properties.AndroidMkRlibs) {
t.Errorf("libbar present as rlib dependency in dynamic lib")
}
if !android.InList("librlib_only.dylib-std", dyn.Module().(*Module).Properties.AndroidMkRlibs) {
t.Errorf("librlib_only should be selected by rustlibs as an rlib.")
}
}
}
// Test that stripped versions are correctly generated and used.
func TestStrippedLibrary(t *testing.T) {
ctx := testRust(t, `
rust_library_dylib {
name: "libfoo",
crate_name: "foo",
srcs: ["foo.rs"],
}
rust_library_dylib {
name: "libbar",
crate_name: "bar",
srcs: ["foo.rs"],
strip: {
none: true
}
}
`)
foo := ctx.ModuleForTests("libfoo", "android_arm64_armv8-a_dylib")
foo.Output("libfoo.dylib.so")
foo.Output("unstripped/libfoo.dylib.so")
// Check that the `cp` rule is using the stripped version as input.
cp := foo.Rule("android.Cp")
if strings.HasSuffix(cp.Input.String(), "unstripped/libfoo.dylib.so") {
t.Errorf("installed library not based on stripped version: %v", cp.Input)
}
fizzBar := ctx.ModuleForTests("libbar", "android_arm64_armv8-a_dylib").MaybeOutput("unstripped/libbar.dylib.so")
if fizzBar.Rule != nil {
t.Errorf("unstripped library exists, so stripped library has incorrectly been generated")
}
}
func TestLibstdLinkage(t *testing.T) {
ctx := testRust(t, `
rust_library {
name: "libfoo",
srcs: ["foo.rs"],
crate_name: "foo",
}
rust_ffi {
name: "libbar",
srcs: ["foo.rs"],
crate_name: "bar",
rustlibs: ["libfoo"],
}
rust_ffi {
name: "libbar.prefer_rlib",
srcs: ["foo.rs"],
crate_name: "bar",
rustlibs: ["libfoo"],
prefer_rlib: true,
}`)
libfooDylib := ctx.ModuleForTests("libfoo", "android_arm64_armv8-a_dylib").Module().(*Module)
libfooRlibStatic := ctx.ModuleForTests("libfoo", "android_arm64_armv8-a_rlib_rlib-std").Module().(*Module)
libfooRlibDynamic := ctx.ModuleForTests("libfoo", "android_arm64_armv8-a_rlib_dylib-std").Module().(*Module)
libbarShared := ctx.ModuleForTests("libbar", "android_arm64_armv8-a_shared").Module().(*Module)
libbarStatic := ctx.ModuleForTests("libbar", "android_arm64_armv8-a_static").Module().(*Module)
// prefer_rlib works the same for both rust_library and rust_ffi, so a single check is sufficient here.
libbarRlibStd := ctx.ModuleForTests("libbar.prefer_rlib", "android_arm64_armv8-a_shared").Module().(*Module)
if !android.InList("libstd", libfooRlibStatic.Properties.AndroidMkRlibs) {
t.Errorf("rlib-std variant for device rust_library_rlib does not link libstd as an rlib")
}
if !android.InList("libstd", libfooRlibDynamic.Properties.AndroidMkDylibs) {
t.Errorf("dylib-std variant for device rust_library_rlib does not link libstd as an dylib")
}
if !android.InList("libstd", libfooDylib.Properties.AndroidMkDylibs) {
t.Errorf("Device rust_library_dylib does not link libstd as an dylib")
}
if !android.InList("libstd", libbarShared.Properties.AndroidMkDylibs) {
t.Errorf("Device rust_ffi_shared does not link libstd as an dylib")
}
if !android.InList("libstd", libbarStatic.Properties.AndroidMkRlibs) {
t.Errorf("Device rust_ffi_static does not link libstd as an rlib")
}
if !android.InList("libfoo.rlib-std", libbarStatic.Properties.AndroidMkRlibs) {
t.Errorf("Device rust_ffi_static does not link dependent rustlib rlib-std variant")
}
if !android.InList("libstd", libbarRlibStd.Properties.AndroidMkRlibs) {
t.Errorf("rust_ffi with prefer_rlib does not link libstd as an rlib")
}
}