448 lines
14 KiB
Go
448 lines
14 KiB
Go
// Copyright 2019 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package rust
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import (
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"io/ioutil"
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"os"
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"runtime"
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"strings"
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"testing"
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"github.com/google/blueprint/proptools"
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"android/soong/android"
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"android/soong/cc"
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)
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var (
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buildDir string
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)
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func setUp() {
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var err error
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buildDir, err = ioutil.TempDir("", "soong_rust_test")
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if err != nil {
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panic(err)
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}
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}
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func tearDown() {
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os.RemoveAll(buildDir)
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}
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func TestMain(m *testing.M) {
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run := func() int {
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setUp()
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defer tearDown()
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return m.Run()
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}
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os.Exit(run())
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}
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// testRust returns a TestContext in which a basic environment has been setup.
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// This environment contains a few mocked files. See testRustCtx.useMockedFs
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// for the list of these files.
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func testRust(t *testing.T, bp string) *android.TestContext {
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tctx := newTestRustCtx(t, bp)
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tctx.useMockedFs()
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tctx.generateConfig()
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return tctx.parse(t)
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}
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func testRustVndk(t *testing.T, bp string) *android.TestContext {
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tctx := newTestRustCtx(t, bp)
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tctx.useMockedFs()
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tctx.generateConfig()
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tctx.setVndk(t)
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return tctx.parse(t)
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}
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// testRustCov returns a TestContext in which a basic environment has been
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// setup. This environment explicitly enables coverage.
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func testRustCov(t *testing.T, bp string) *android.TestContext {
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tctx := newTestRustCtx(t, bp)
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tctx.useMockedFs()
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tctx.generateConfig()
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tctx.enableCoverage(t)
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return tctx.parse(t)
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}
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// testRustError ensures that at least one error was raised and its value
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// matches the pattern provided. The error can be either in the parsing of the
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// Blueprint or when generating the build actions.
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func testRustError(t *testing.T, pattern string, bp string) {
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tctx := newTestRustCtx(t, bp)
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tctx.useMockedFs()
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tctx.generateConfig()
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tctx.parseError(t, pattern)
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}
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// testRustCtx is used to build a particular test environment. Unless your
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// tests requires a specific setup, prefer the wrapping functions: testRust,
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// testRustCov or testRustError.
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type testRustCtx struct {
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bp string
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fs map[string][]byte
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env map[string]string
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config *android.Config
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}
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// newTestRustCtx returns a new testRustCtx for the Blueprint definition argument.
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func newTestRustCtx(t *testing.T, bp string) *testRustCtx {
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// TODO (b/140435149)
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if runtime.GOOS != "linux" {
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t.Skip("Rust Soong tests can only be run on Linux hosts currently")
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}
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return &testRustCtx{bp: bp}
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}
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// useMockedFs setup a default mocked filesystem for the test environment.
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func (tctx *testRustCtx) useMockedFs() {
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tctx.fs = map[string][]byte{
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"foo.rs": nil,
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"foo.c": nil,
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"src/bar.rs": nil,
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"src/any.h": nil,
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"proto.proto": nil,
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"proto/buf.proto": nil,
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"buf.proto": nil,
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"foo.proto": nil,
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"liby.so": nil,
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"libz.so": nil,
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"data.txt": nil,
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}
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}
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// generateConfig creates the android.Config based on the bp, fs and env
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// attributes of the testRustCtx.
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func (tctx *testRustCtx) generateConfig() {
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tctx.bp = tctx.bp + GatherRequiredDepsForTest()
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tctx.bp = tctx.bp + cc.GatherRequiredDepsForTest(android.NoOsType)
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cc.GatherRequiredFilesForTest(tctx.fs)
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config := android.TestArchConfig(buildDir, tctx.env, tctx.bp, tctx.fs)
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tctx.config = &config
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}
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// enableCoverage configures the test to enable coverage.
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func (tctx *testRustCtx) enableCoverage(t *testing.T) {
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if tctx.config == nil {
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t.Fatalf("tctx.config not been generated yet. Please call generateConfig first.")
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}
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tctx.config.TestProductVariables.ClangCoverage = proptools.BoolPtr(true)
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tctx.config.TestProductVariables.Native_coverage = proptools.BoolPtr(true)
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tctx.config.TestProductVariables.NativeCoveragePaths = []string{"*"}
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}
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func (tctx *testRustCtx) setVndk(t *testing.T) {
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if tctx.config == nil {
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t.Fatalf("tctx.config not been generated yet. Please call generateConfig first.")
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}
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tctx.config.TestProductVariables.DeviceVndkVersion = StringPtr("current")
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tctx.config.TestProductVariables.ProductVndkVersion = StringPtr("current")
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tctx.config.TestProductVariables.Platform_vndk_version = StringPtr("VER")
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}
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// parse validates the configuration and parses the Blueprint file. It returns
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// a TestContext which can be used to retrieve the generated modules via
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// ModuleForTests.
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func (tctx testRustCtx) parse(t *testing.T) *android.TestContext {
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if tctx.config == nil {
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t.Fatalf("tctx.config not been generated yet. Please call generateConfig first.")
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}
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ctx := CreateTestContext(*tctx.config)
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ctx.Register()
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_, errs := ctx.ParseFileList(".", []string{"Android.bp"})
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android.FailIfErrored(t, errs)
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_, errs = ctx.PrepareBuildActions(*tctx.config)
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android.FailIfErrored(t, errs)
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return ctx
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}
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// parseError parses the Blueprint file and ensure that at least one error
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// matching the provided pattern is observed.
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func (tctx testRustCtx) parseError(t *testing.T, pattern string) {
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if tctx.config == nil {
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t.Fatalf("tctx.config not been generated yet. Please call generateConfig first.")
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}
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ctx := CreateTestContext(*tctx.config)
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ctx.Register()
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_, errs := ctx.ParseFileList(".", []string{"Android.bp"})
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if len(errs) > 0 {
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android.FailIfNoMatchingErrors(t, pattern, errs)
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return
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}
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_, errs = ctx.PrepareBuildActions(*tctx.config)
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if len(errs) > 0 {
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android.FailIfNoMatchingErrors(t, pattern, errs)
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return
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}
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t.Fatalf("missing expected error %q (0 errors are returned)", pattern)
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}
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// Test that we can extract the link path from a lib path.
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func TestLinkPathFromFilePath(t *testing.T) {
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barPath := android.PathForTesting("out/soong/.intermediates/external/libbar/libbar/linux_glibc_x86_64_shared/libbar.so")
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libName := linkPathFromFilePath(barPath)
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expectedResult := "out/soong/.intermediates/external/libbar/libbar/linux_glibc_x86_64_shared/"
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if libName != expectedResult {
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t.Errorf("libNameFromFilePath returned the wrong name; expected '%#v', got '%#v'", expectedResult, libName)
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}
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}
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// Test to make sure dependencies are being picked up correctly.
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func TestDepsTracking(t *testing.T) {
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ctx := testRust(t, `
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rust_ffi_host_static {
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name: "libstatic",
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srcs: ["foo.rs"],
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crate_name: "static",
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}
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rust_ffi_host_shared {
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name: "libshared",
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srcs: ["foo.rs"],
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crate_name: "shared",
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}
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rust_library_host_dylib {
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name: "libdylib",
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srcs: ["foo.rs"],
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crate_name: "dylib",
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}
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rust_library_host_rlib {
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name: "librlib",
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srcs: ["foo.rs"],
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crate_name: "rlib",
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static_libs: ["libstatic"],
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}
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rust_proc_macro {
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name: "libpm",
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srcs: ["foo.rs"],
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crate_name: "pm",
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}
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rust_binary_host {
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name: "fizz-buzz",
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dylibs: ["libdylib"],
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rlibs: ["librlib"],
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proc_macros: ["libpm"],
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static_libs: ["libstatic"],
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shared_libs: ["libshared"],
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srcs: ["foo.rs"],
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}
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`)
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module := ctx.ModuleForTests("fizz-buzz", "linux_glibc_x86_64").Module().(*Module)
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rustc := ctx.ModuleForTests("librlib", "linux_glibc_x86_64_rlib_rlib-std").Rule("rustc")
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// Since dependencies are added to AndroidMk* properties, we can check these to see if they've been picked up.
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if !android.InList("libdylib", module.Properties.AndroidMkDylibs) {
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t.Errorf("Dylib dependency not detected (dependency missing from AndroidMkDylibs)")
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}
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if !android.InList("librlib.rlib-std", module.Properties.AndroidMkRlibs) {
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t.Errorf("Rlib dependency not detected (dependency missing from AndroidMkRlibs)")
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}
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if !android.InList("libpm", module.Properties.AndroidMkProcMacroLibs) {
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t.Errorf("Proc_macro dependency not detected (dependency missing from AndroidMkProcMacroLibs)")
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}
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if !android.InList("libshared", module.Properties.AndroidMkSharedLibs) {
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t.Errorf("Shared library dependency not detected (dependency missing from AndroidMkSharedLibs)")
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}
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if !android.InList("libstatic", module.Properties.AndroidMkStaticLibs) {
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t.Errorf("Static library dependency not detected (dependency missing from AndroidMkStaticLibs)")
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}
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if !strings.Contains(rustc.Args["rustcFlags"], "-lstatic=static") {
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t.Errorf("-lstatic flag not being passed to rustc for static library")
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}
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}
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func TestSourceProviderDeps(t *testing.T) {
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ctx := testRust(t, `
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rust_binary {
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name: "fizz-buzz-dep",
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srcs: [
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"foo.rs",
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":my_generator",
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":libbindings",
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],
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rlibs: ["libbindings"],
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}
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rust_proc_macro {
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name: "libprocmacro",
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srcs: [
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"foo.rs",
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":my_generator",
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":libbindings",
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],
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rlibs: ["libbindings"],
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crate_name: "procmacro",
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}
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rust_library {
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name: "libfoo",
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srcs: [
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"foo.rs",
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":my_generator",
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":libbindings",
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],
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rlibs: ["libbindings"],
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crate_name: "foo",
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}
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genrule {
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name: "my_generator",
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tools: ["any_rust_binary"],
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cmd: "$(location) -o $(out) $(in)",
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srcs: ["src/any.h"],
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out: ["src/any.rs"],
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}
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rust_binary_host {
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name: "any_rust_binary",
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srcs: [
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"foo.rs",
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],
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}
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rust_bindgen {
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name: "libbindings",
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crate_name: "bindings",
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source_stem: "bindings",
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host_supported: true,
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wrapper_src: "src/any.h",
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}
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`)
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libfoo := ctx.ModuleForTests("libfoo", "android_arm64_armv8-a_rlib_dylib-std").Rule("rustc")
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if !android.SuffixInList(libfoo.Implicits.Strings(), "/out/bindings.rs") {
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t.Errorf("rust_bindgen generated source not included as implicit input for libfoo; Implicits %#v", libfoo.Implicits.Strings())
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}
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if !android.SuffixInList(libfoo.Implicits.Strings(), "/out/any.rs") {
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t.Errorf("genrule generated source not included as implicit input for libfoo; Implicits %#v", libfoo.Implicits.Strings())
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}
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fizzBuzz := ctx.ModuleForTests("fizz-buzz-dep", "android_arm64_armv8-a").Rule("rustc")
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if !android.SuffixInList(fizzBuzz.Implicits.Strings(), "/out/bindings.rs") {
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t.Errorf("rust_bindgen generated source not included as implicit input for fizz-buzz-dep; Implicits %#v", libfoo.Implicits.Strings())
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}
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if !android.SuffixInList(fizzBuzz.Implicits.Strings(), "/out/any.rs") {
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t.Errorf("genrule generated source not included as implicit input for fizz-buzz-dep; Implicits %#v", libfoo.Implicits.Strings())
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}
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libprocmacro := ctx.ModuleForTests("libprocmacro", "linux_glibc_x86_64").Rule("rustc")
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if !android.SuffixInList(libprocmacro.Implicits.Strings(), "/out/bindings.rs") {
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t.Errorf("rust_bindgen generated source not included as implicit input for libprocmacro; Implicits %#v", libfoo.Implicits.Strings())
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}
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if !android.SuffixInList(libprocmacro.Implicits.Strings(), "/out/any.rs") {
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t.Errorf("genrule generated source not included as implicit input for libprocmacro; Implicits %#v", libfoo.Implicits.Strings())
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}
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// Check that our bindings are picked up as crate dependencies as well
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libfooMod := ctx.ModuleForTests("libfoo", "android_arm64_armv8-a_dylib").Module().(*Module)
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if !android.InList("libbindings.dylib-std", libfooMod.Properties.AndroidMkRlibs) {
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t.Errorf("bindgen dependency not detected as a rlib dependency (dependency missing from AndroidMkRlibs)")
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}
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fizzBuzzMod := ctx.ModuleForTests("fizz-buzz-dep", "android_arm64_armv8-a").Module().(*Module)
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if !android.InList("libbindings.dylib-std", fizzBuzzMod.Properties.AndroidMkRlibs) {
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t.Errorf("bindgen dependency not detected as a rlib dependency (dependency missing from AndroidMkRlibs)")
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}
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libprocmacroMod := ctx.ModuleForTests("libprocmacro", "linux_glibc_x86_64").Module().(*Module)
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if !android.InList("libbindings.rlib-std", libprocmacroMod.Properties.AndroidMkRlibs) {
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t.Errorf("bindgen dependency not detected as a rlib dependency (dependency missing from AndroidMkRlibs)")
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}
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}
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func TestSourceProviderTargetMismatch(t *testing.T) {
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// This might error while building the dependency tree or when calling depsToPaths() depending on the lunched
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// target, which results in two different errors. So don't check the error, just confirm there is one.
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testRustError(t, ".*", `
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rust_proc_macro {
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name: "libprocmacro",
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srcs: [
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"foo.rs",
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":libbindings",
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],
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crate_name: "procmacro",
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}
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rust_bindgen {
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name: "libbindings",
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crate_name: "bindings",
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source_stem: "bindings",
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wrapper_src: "src/any.h",
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}
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`)
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}
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// Test to make sure proc_macros use host variants when building device modules.
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func TestProcMacroDeviceDeps(t *testing.T) {
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ctx := testRust(t, `
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rust_library_host_rlib {
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name: "libbar",
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srcs: ["foo.rs"],
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crate_name: "bar",
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}
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rust_proc_macro {
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name: "libpm",
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rlibs: ["libbar"],
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srcs: ["foo.rs"],
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crate_name: "pm",
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}
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rust_binary {
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name: "fizz-buzz",
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proc_macros: ["libpm"],
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srcs: ["foo.rs"],
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}
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`)
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rustc := ctx.ModuleForTests("libpm", "linux_glibc_x86_64").Rule("rustc")
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if !strings.Contains(rustc.Args["libFlags"], "libbar/linux_glibc_x86_64") {
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t.Errorf("Proc_macro is not using host variant of dependent modules.")
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}
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}
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// Test that no_stdlibs suppresses dependencies on rust standard libraries
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func TestNoStdlibs(t *testing.T) {
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ctx := testRust(t, `
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rust_binary {
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name: "fizz-buzz",
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srcs: ["foo.rs"],
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no_stdlibs: true,
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}`)
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module := ctx.ModuleForTests("fizz-buzz", "android_arm64_armv8-a").Module().(*Module)
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if android.InList("libstd", module.Properties.AndroidMkDylibs) {
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t.Errorf("no_stdlibs did not suppress dependency on libstd")
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}
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}
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// Test that libraries provide both 32-bit and 64-bit variants.
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func TestMultilib(t *testing.T) {
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ctx := testRust(t, `
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rust_library_rlib {
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name: "libfoo",
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srcs: ["foo.rs"],
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crate_name: "foo",
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}`)
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_ = ctx.ModuleForTests("libfoo", "android_arm64_armv8-a_rlib_dylib-std")
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_ = ctx.ModuleForTests("libfoo", "android_arm_armv7-a-neon_rlib_dylib-std")
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}
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