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373 lines
12 KiB
373 lines
12 KiB
// Copyright 2021 Google Inc. All rights reserved.
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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 bp2build
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import (
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"android/soong/android"
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"android/soong/cc"
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"strings"
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"testing"
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)
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const (
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// See cc/testing.go for more context
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soongCcLibraryHeadersPreamble = `
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cc_defaults {
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name: "linux_bionic_supported",
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}
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toolchain_library {
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name: "libclang_rt.builtins-x86_64-android",
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defaults: ["linux_bionic_supported"],
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vendor_available: true,
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vendor_ramdisk_available: true,
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product_available: true,
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recovery_available: true,
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native_bridge_supported: true,
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src: "",
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}`
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)
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func TestCcLibraryHeadersLoadStatement(t *testing.T) {
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testCases := []struct {
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bazelTargets BazelTargets
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expectedLoadStatements string
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}{
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{
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bazelTargets: BazelTargets{
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BazelTarget{
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name: "cc_library_headers_target",
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ruleClass: "cc_library_headers",
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// Note: no bzlLoadLocation for native rules
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},
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},
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expectedLoadStatements: ``,
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},
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}
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for _, testCase := range testCases {
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actual := testCase.bazelTargets.LoadStatements()
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expected := testCase.expectedLoadStatements
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if actual != expected {
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t.Fatalf("Expected load statements to be %s, got %s", expected, actual)
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}
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}
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}
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func TestCcLibraryHeadersBp2Build(t *testing.T) {
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testCases := []struct {
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description string
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moduleTypeUnderTest string
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moduleTypeUnderTestFactory android.ModuleFactory
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moduleTypeUnderTestBp2BuildMutator func(android.TopDownMutatorContext)
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preArchMutators []android.RegisterMutatorFunc
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depsMutators []android.RegisterMutatorFunc
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bp string
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expectedBazelTargets []string
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filesystem map[string]string
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dir string
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}{
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{
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description: "cc_library_headers test",
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moduleTypeUnderTest: "cc_library_headers",
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moduleTypeUnderTestFactory: cc.LibraryHeaderFactory,
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moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryHeadersBp2Build,
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filesystem: map[string]string{
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"lib-1/lib1a.h": "",
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"lib-1/lib1b.h": "",
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"lib-2/lib2a.h": "",
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"lib-2/lib2b.h": "",
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"dir-1/dir1a.h": "",
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"dir-1/dir1b.h": "",
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"dir-2/dir2a.h": "",
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"dir-2/dir2b.h": "",
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"arch_arm64_exported_include_dir/a.h": "",
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"arch_x86_exported_include_dir/b.h": "",
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"arch_x86_64_exported_include_dir/c.h": "",
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},
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bp: soongCcLibraryHeadersPreamble + `
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cc_library_headers {
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name: "lib-1",
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export_include_dirs: ["lib-1"],
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}
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cc_library_headers {
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name: "lib-2",
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export_include_dirs: ["lib-2"],
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}
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cc_library_headers {
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name: "foo_headers",
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export_include_dirs: ["dir-1", "dir-2"],
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header_libs: ["lib-1", "lib-2"],
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arch: {
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arm64: {
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// We expect dir-1 headers to be dropped, because dir-1 is already in export_include_dirs
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export_include_dirs: ["arch_arm64_exported_include_dir", "dir-1"],
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},
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x86: {
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export_include_dirs: ["arch_x86_exported_include_dir"],
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},
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x86_64: {
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export_include_dirs: ["arch_x86_64_exported_include_dir"],
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},
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},
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// TODO: Also support export_header_lib_headers
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}`,
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expectedBazelTargets: []string{`cc_library_headers(
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name = "foo_headers",
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copts = ["-I."],
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deps = [
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":lib-1",
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":lib-2",
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],
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includes = [
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"dir-1",
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"dir-2",
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] + select({
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"//build/bazel/platforms/arch:arm64": ["arch_arm64_exported_include_dir"],
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"//build/bazel/platforms/arch:x86": ["arch_x86_exported_include_dir"],
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"//build/bazel/platforms/arch:x86_64": ["arch_x86_64_exported_include_dir"],
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"//conditions:default": [],
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}),
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)`, `cc_library_headers(
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name = "lib-1",
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copts = ["-I."],
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includes = ["lib-1"],
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)`, `cc_library_headers(
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name = "lib-2",
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copts = ["-I."],
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includes = ["lib-2"],
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)`},
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},
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{
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description: "cc_library_headers test with os-specific header_libs props",
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moduleTypeUnderTest: "cc_library_headers",
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moduleTypeUnderTestFactory: cc.LibraryHeaderFactory,
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moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryHeadersBp2Build,
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depsMutators: []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
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filesystem: map[string]string{},
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bp: soongCcLibraryPreamble + `
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cc_library_headers { name: "android-lib" }
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cc_library_headers { name: "base-lib" }
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cc_library_headers { name: "darwin-lib" }
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cc_library_headers { name: "fuchsia-lib" }
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cc_library_headers { name: "linux-lib" }
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cc_library_headers { name: "linux_bionic-lib" }
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cc_library_headers { name: "windows-lib" }
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cc_library_headers {
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name: "foo_headers",
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header_libs: ["base-lib"],
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target: {
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android: { header_libs: ["android-lib"] },
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darwin: { header_libs: ["darwin-lib"] },
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fuchsia: { header_libs: ["fuchsia-lib"] },
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linux_bionic: { header_libs: ["linux_bionic-lib"] },
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linux_glibc: { header_libs: ["linux-lib"] },
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windows: { header_libs: ["windows-lib"] },
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},
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bazel_module: { bp2build_available: true },
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}`,
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expectedBazelTargets: []string{`cc_library_headers(
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name = "android-lib",
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copts = ["-I."],
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)`, `cc_library_headers(
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name = "base-lib",
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copts = ["-I."],
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)`, `cc_library_headers(
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name = "darwin-lib",
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copts = ["-I."],
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)`, `cc_library_headers(
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name = "foo_headers",
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copts = ["-I."],
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deps = [":base-lib"] + select({
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"//build/bazel/platforms/os:android": [":android-lib"],
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"//build/bazel/platforms/os:darwin": [":darwin-lib"],
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"//build/bazel/platforms/os:fuchsia": [":fuchsia-lib"],
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"//build/bazel/platforms/os:linux": [":linux-lib"],
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"//build/bazel/platforms/os:linux_bionic": [":linux_bionic-lib"],
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"//build/bazel/platforms/os:windows": [":windows-lib"],
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"//conditions:default": [],
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}),
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)`, `cc_library_headers(
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name = "fuchsia-lib",
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copts = ["-I."],
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)`, `cc_library_headers(
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name = "linux-lib",
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copts = ["-I."],
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)`, `cc_library_headers(
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name = "linux_bionic-lib",
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copts = ["-I."],
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)`, `cc_library_headers(
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name = "windows-lib",
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copts = ["-I."],
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)`},
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},
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{
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description: "cc_library_headers test with os-specific header_libs and export_header_lib_headers props",
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moduleTypeUnderTest: "cc_library_headers",
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moduleTypeUnderTestFactory: cc.LibraryHeaderFactory,
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moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryHeadersBp2Build,
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depsMutators: []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
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filesystem: map[string]string{},
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bp: soongCcLibraryPreamble + `
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cc_library_headers { name: "android-lib" }
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cc_library_headers { name: "exported-lib" }
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cc_library_headers {
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name: "foo_headers",
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target: {
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android: { header_libs: ["android-lib"], export_header_lib_headers: ["exported-lib"] },
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},
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}`,
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expectedBazelTargets: []string{`cc_library_headers(
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name = "android-lib",
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copts = ["-I."],
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)`, `cc_library_headers(
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name = "exported-lib",
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copts = ["-I."],
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)`, `cc_library_headers(
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name = "foo_headers",
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copts = ["-I."],
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deps = select({
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"//build/bazel/platforms/os:android": [
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":android-lib",
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":exported-lib",
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],
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"//conditions:default": [],
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}),
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)`},
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},
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{
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description: "cc_library_headers test with arch-specific and target-specific export_system_include_dirs props",
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moduleTypeUnderTest: "cc_library_headers",
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moduleTypeUnderTestFactory: cc.LibraryHeaderFactory,
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moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryHeadersBp2Build,
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depsMutators: []android.RegisterMutatorFunc{cc.RegisterDepsBp2Build},
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filesystem: map[string]string{},
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bp: soongCcLibraryPreamble + `cc_library_headers {
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name: "foo_headers",
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export_system_include_dirs: [
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"shared_include_dir",
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],
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target: {
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android: {
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export_system_include_dirs: [
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"android_include_dir",
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],
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},
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linux_glibc: {
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export_system_include_dirs: [
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"linux_include_dir",
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],
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},
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darwin: {
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export_system_include_dirs: [
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"darwin_include_dir",
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],
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},
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},
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arch: {
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arm: {
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export_system_include_dirs: [
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"arm_include_dir",
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],
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},
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x86_64: {
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export_system_include_dirs: [
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"x86_64_include_dir",
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],
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},
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},
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}`,
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expectedBazelTargets: []string{`cc_library_headers(
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name = "foo_headers",
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copts = ["-I."],
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includes = ["shared_include_dir"] + select({
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"//build/bazel/platforms/arch:arm": ["arm_include_dir"],
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"//build/bazel/platforms/arch:x86_64": ["x86_64_include_dir"],
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"//conditions:default": [],
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}) + select({
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"//build/bazel/platforms/os:android": ["android_include_dir"],
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"//build/bazel/platforms/os:darwin": ["darwin_include_dir"],
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"//build/bazel/platforms/os:linux": ["linux_include_dir"],
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"//conditions:default": [],
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}),
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)`},
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},
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}
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dir := "."
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for _, testCase := range testCases {
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filesystem := make(map[string][]byte)
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toParse := []string{
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"Android.bp",
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}
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for f, content := range testCase.filesystem {
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if strings.HasSuffix(f, "Android.bp") {
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toParse = append(toParse, f)
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}
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filesystem[f] = []byte(content)
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}
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config := android.TestConfig(buildDir, nil, testCase.bp, filesystem)
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ctx := android.NewTestContext(config)
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// TODO(jingwen): make this default for all bp2build tests
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ctx.RegisterBp2BuildConfig(bp2buildConfig)
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cc.RegisterCCBuildComponents(ctx)
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ctx.RegisterModuleType("toolchain_library", cc.ToolchainLibraryFactory)
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ctx.RegisterModuleType(testCase.moduleTypeUnderTest, testCase.moduleTypeUnderTestFactory)
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for _, m := range testCase.depsMutators {
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ctx.DepsBp2BuildMutators(m)
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}
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ctx.RegisterBp2BuildMutator(testCase.moduleTypeUnderTest, testCase.moduleTypeUnderTestBp2BuildMutator)
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ctx.RegisterForBazelConversion()
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_, errs := ctx.ParseFileList(dir, toParse)
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if Errored(t, testCase.description, errs) {
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continue
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}
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_, errs = ctx.ResolveDependencies(config)
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if Errored(t, testCase.description, errs) {
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continue
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}
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checkDir := dir
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if testCase.dir != "" {
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checkDir = testCase.dir
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}
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codegenCtx := NewCodegenContext(config, *ctx.Context, Bp2Build)
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bazelTargets := generateBazelTargetsForDir(codegenCtx, checkDir)
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if actualCount, expectedCount := len(bazelTargets), len(testCase.expectedBazelTargets); actualCount != expectedCount {
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t.Errorf("%s: Expected %d bazel target, got %d", testCase.description, expectedCount, actualCount)
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} else {
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for i, target := range bazelTargets {
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if w, g := testCase.expectedBazelTargets[i], target.content; w != g {
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t.Errorf(
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"%s: Expected generated Bazel target to be '%s', got '%s'",
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testCase.description,
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w,
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g,
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)
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}
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}
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}
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}
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}
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