sdk/sdk_test.go - LeafOS-Project/android_build_soong - Gitiles

 // Copyright 2019 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 sdk

 import (
 	"log"
 	"os"
 	"runtime"
 	"testing"

 	"android/soong/android"
 	"android/soong/java"

 	"github.com/google/blueprint/proptools"
 )

 // Needed in an _test.go file in this package to ensure tests run correctly, particularly in IDE.
 func TestMain(m *testing.M) {
 	if runtime.GOOS != "linux" {
 		// b/145598135 - Generating host snapshots for anything other than linux is not supported.
 		log.Printf("Skipping as sdk snapshot generation is only supported on linux not %s", runtime.GOOS)
 		os.Exit(0)
 	}

 	os.Exit(m.Run())
 }

 // Ensure that prebuilt modules have the same effective visibility as the source
 // modules.
 func TestSnapshotVisibility(t *testing.T) {
 	packageBp := `
 		package {
 			default_visibility: ["//other/foo"],
 		}

 		sdk {
 			name: "mysdk",
 			visibility: [
 				"//other/foo",
 				// This short form will be replaced with //package:__subpackages__ in the
 				// generated sdk_snapshot.
 				":__subpackages__",
 			],
 			prebuilt_visibility: [
 				"//prebuilts/mysdk",
 			],
 			java_header_libs: [
 				"myjavalib",
 				"mypublicjavalib",
 				"mydefaultedjavalib",
 				"myprivatejavalib",
 			],
 		}

 		java_library {
 			name: "myjavalib",
 			// Uses package default visibility
 			srcs: ["Test.java"],
 			system_modules: "none",
 			sdk_version: "none",
 		}

 		java_defaults {
 			name: "java-defaults",
 			visibility: ["//other/bar"],
 		}

 		java_library {
 			name: "mypublicjavalib",
 			defaults: ["java-defaults"],
       visibility: ["//visibility:public"],
 			srcs: ["Test.java"],
 			system_modules: "none",
 			sdk_version: "none",
 		}

 		java_defaults {
 			name: "myjavadefaults",
 			visibility: ["//other/bar"],
 		}

 		java_library {
 			name: "mydefaultedjavalib",
 			defaults: ["myjavadefaults"],
 			srcs: ["Test.java"],
 			system_modules: "none",
 			sdk_version: "none",
 		}

 		java_library {
 			name: "myprivatejavalib",
 			srcs: ["Test.java"],
 			visibility: ["//visibility:private"],
 			system_modules: "none",
 			sdk_version: "none",
 		}
 	`

 	result := testSdkWithFs(t, ``,
 		map[string][]byte{
 			"package/Test.java":  nil,
 			"package/Android.bp": []byte(packageBp),
 		})

 	CheckSnapshot(t, result, "mysdk", "package",
 		checkAndroidBpContents(`
 // This is auto-generated. DO NOT EDIT.

 java_import {
     name: "myjavalib",
     prefer: false,
     visibility: [
         "//other/foo",
         "//package",
         "//prebuilts/mysdk",
     ],
     apex_available: ["//apex_available:platform"],
     jars: ["java/myjavalib.jar"],
 }

 java_import {
     name: "mypublicjavalib",
     prefer: false,
     visibility: ["//visibility:public"],
     apex_available: ["//apex_available:platform"],
     jars: ["java/mypublicjavalib.jar"],
 }

 java_import {
     name: "mydefaultedjavalib",
     prefer: false,
     visibility: [
         "//other/bar",
         "//package",
         "//prebuilts/mysdk",
     ],
     apex_available: ["//apex_available:platform"],
     jars: ["java/mydefaultedjavalib.jar"],
 }

 java_import {
     name: "myprivatejavalib",
     prefer: false,
     visibility: [
         "//package",
         "//prebuilts/mysdk",
     ],
     apex_available: ["//apex_available:platform"],
     jars: ["java/myprivatejavalib.jar"],
 }
 `))
 }

 func TestPrebuiltVisibilityProperty_IsValidated(t *testing.T) {
 	testSdkError(t, `prebuilt_visibility: cannot mix "//visibility:private" with any other visibility rules`, `
 		sdk {
 			name: "mysdk",
 			prebuilt_visibility: [
 				"//foo",
 				"//visibility:private",
 			],
 		}
 `)
 }

 func TestPrebuiltVisibilityProperty_AddPrivate(t *testing.T) {
 	testSdkError(t, `prebuilt_visibility: "//visibility:private" does not widen the visibility`, `
 		sdk {
 			name: "mysdk",
 			prebuilt_visibility: [
 				"//visibility:private",
 			],
 			java_header_libs: [
 				"myjavalib",
 			],
 		}

 		java_library {
 			name: "myjavalib",
 			// Uses package default visibility
 			srcs: ["Test.java"],
 			system_modules: "none",
 			sdk_version: "none",
 		}
 `)
 }

 func TestSdkInstall(t *testing.T) {
 	sdk := `
 		sdk {
 			name: "mysdk",
 		}
 	`
 	result := testSdkWithFs(t, sdk, nil)

 	CheckSnapshot(t, result, "mysdk", "",
 		checkAllOtherCopyRules(`
 .intermediates/mysdk/common_os/mysdk-current.info -> mysdk-current.info
 .intermediates/mysdk/common_os/mysdk-current.zip -> mysdk-current.zip
 `))
 }

 type EmbeddedPropertiesStruct struct {
 	S_Embedded_Common    string `android:"arch_variant"`
 	S_Embedded_Different string `android:"arch_variant"`
 }

 type testPropertiesStruct struct {
 	name          string
 	private       string
 	Public_Ignore string `sdk:"ignore"`
 	Public_Keep   string `sdk:"keep"`
 	S_Common      string
 	S_Different   string `android:"arch_variant"`
 	A_Common      []string
 	A_Different   []string `android:"arch_variant"`
 	F_Common      *bool
 	F_Different   *bool `android:"arch_variant"`
 	EmbeddedPropertiesStruct
 }

 func (p *testPropertiesStruct) optimizableProperties() interface{} {
 	return p
 }

 func (p *testPropertiesStruct) String() string {
 	return p.name
 }

 var _ propertiesContainer = (*testPropertiesStruct)(nil)

 func TestCommonValueOptimization(t *testing.T) {
 	common := &testPropertiesStruct{name: "common"}
 	structs := []propertiesContainer{
 		&testPropertiesStruct{
 			name:          "struct-0",
 			private:       "common",
 			Public_Ignore: "common",
 			Public_Keep:   "keep",
 			S_Common:      "common",
 			S_Different:   "upper",
 			A_Common:      []string{"first", "second"},
 			A_Different:   []string{"alpha", "beta"},
 			F_Common:      proptools.BoolPtr(false),
 			F_Different:   proptools.BoolPtr(false),
 			EmbeddedPropertiesStruct: EmbeddedPropertiesStruct{
 				S_Embedded_Common:    "embedded_common",
 				S_Embedded_Different: "embedded_upper",
 			},
 		},
 		&testPropertiesStruct{
 			name:          "struct-1",
 			private:       "common",
 			Public_Ignore: "common",
 			Public_Keep:   "keep",
 			S_Common:      "common",
 			S_Different:   "lower",
 			A_Common:      []string{"first", "second"},
 			A_Different:   []string{"alpha", "delta"},
 			F_Common:      proptools.BoolPtr(false),
 			F_Different:   proptools.BoolPtr(true),
 			EmbeddedPropertiesStruct: EmbeddedPropertiesStruct{
 				S_Embedded_Common:    "embedded_common",
 				S_Embedded_Different: "embedded_lower",
 			},
 		},
 	}

 	extractor := newCommonValueExtractor(common)

 	err := extractor.extractCommonProperties(common, structs)
 	android.AssertDeepEquals(t, "unexpected error", nil, err)

 	android.AssertDeepEquals(t, "common properties not correct",
 		&testPropertiesStruct{
 			name:          "common",
 			private:       "",
 			Public_Ignore: "",
 			Public_Keep:   "keep",
 			S_Common:      "common",
 			S_Different:   "",
 			A_Common:      []string{"first", "second"},
 			A_Different:   []string(nil),
 			F_Common:      proptools.BoolPtr(false),
 			F_Different:   nil,
 			EmbeddedPropertiesStruct: EmbeddedPropertiesStruct{
 				S_Embedded_Common:    "embedded_common",
 				S_Embedded_Different: "",
 			},
 		},
 		common)

 	android.AssertDeepEquals(t, "updated properties[0] not correct",
 		&testPropertiesStruct{
 			name:          "struct-0",
 			private:       "common",
 			Public_Ignore: "common",
 			Public_Keep:   "keep",
 			S_Common:      "",
 			S_Different:   "upper",
 			A_Common:      nil,
 			A_Different:   []string{"alpha", "beta"},
 			F_Common:      nil,
 			F_Different:   proptools.BoolPtr(false),
 			EmbeddedPropertiesStruct: EmbeddedPropertiesStruct{
 				S_Embedded_Common:    "",
 				S_Embedded_Different: "embedded_upper",
 			},
 		},
 		structs[0])

 	android.AssertDeepEquals(t, "updated properties[1] not correct",
 		&testPropertiesStruct{
 			name:          "struct-1",
 			private:       "common",
 			Public_Ignore: "common",
 			Public_Keep:   "keep",
 			S_Common:      "",
 			S_Different:   "lower",
 			A_Common:      nil,
 			A_Different:   []string{"alpha", "delta"},
 			F_Common:      nil,
 			F_Different:   proptools.BoolPtr(true),
 			EmbeddedPropertiesStruct: EmbeddedPropertiesStruct{
 				S_Embedded_Common:    "",
 				S_Embedded_Different: "embedded_lower",
 			},
 		},
 		structs[1])
 }

 func TestCommonValueOptimization_InvalidArchSpecificVariants(t *testing.T) {
 	common := &testPropertiesStruct{name: "common"}
 	structs := []propertiesContainer{
 		&testPropertiesStruct{
 			name:     "struct-0",
 			S_Common: "should-be-but-is-not-common0",
 		},
 		&testPropertiesStruct{
 			name:     "struct-1",
 			S_Common: "should-be-but-is-not-common1",
 		},
 	}

 	extractor := newCommonValueExtractor(common)

 	err := extractor.extractCommonProperties(common, structs)
 	android.AssertErrorMessageEquals(t, "unexpected error", `field "S_Common" is not tagged as "arch_variant" but has arch specific properties:
     "struct-0" has value "should-be-but-is-not-common0"
     "struct-1" has value "should-be-but-is-not-common1"`, err)
 }

 // Ensure that sdk snapshot related environment variables work correctly.
 func TestSnapshot_EnvConfiguration(t *testing.T) {
 	bp := `
 		sdk {
 			name: "mysdk",
 			java_header_libs: ["myjavalib"],
 		}

 		java_library {
 			name: "myjavalib",
 			srcs: ["Test.java"],
 			system_modules: "none",
 			sdk_version: "none",
 			compile_dex: true,
 			host_supported: true,
 		}
 	`
 	preparer := android.GroupFixturePreparers(
 		prepareForSdkTestWithJava,
 		android.FixtureWithRootAndroidBp(bp),
 	)

 	checkZipFile := func(t *testing.T, result *android.TestResult, expected string) {
 		zipRule := result.ModuleForTests("mysdk", "common_os").Rule("SnapshotZipFiles")
 		android.AssertStringEquals(t, "snapshot zip file", expected, zipRule.Output.String())
 	}

 	t.Run("no env variables", func(t *testing.T) {
 		result := preparer.RunTest(t)

 		checkZipFile(t, result, "out/soong/.intermediates/mysdk/common_os/mysdk-current.zip")

 		CheckSnapshot(t, result, "mysdk", "",
 			checkAndroidBpContents(`
 // This is auto-generated. DO NOT EDIT.

 java_import {
     name: "myjavalib",
     prefer: false,
     visibility: ["//visibility:public"],
     apex_available: ["//apex_available:platform"],
     jars: ["java/myjavalib.jar"],
 }
 			`),
 		)
 	})

 	t.Run("SOONG_SDK_SNAPSHOT_TARGET_BUILD_RELEASE=S", func(t *testing.T) {
 		result := android.GroupFixturePreparers(
 			prepareForSdkTestWithJava,
 			java.PrepareForTestWithJavaDefaultModules,
 			java.PrepareForTestWithJavaSdkLibraryFiles,
 			java.FixtureWithLastReleaseApis("mysdklibrary"),
 			android.FixtureWithRootAndroidBp(`
 			sdk {
 				name: "mysdk",
 				bootclasspath_fragments: ["mybootclasspathfragment"],
 			}

 			bootclasspath_fragment {
 				name: "mybootclasspathfragment",
 				apex_available: ["myapex"],
 				contents: ["mysdklibrary"],
 				hidden_api: {
 					split_packages: ["*"],
 				},
 			}

 			java_sdk_library {
 				name: "mysdklibrary",
 				srcs: ["Test.java"],
 				compile_dex: true,
 				sdk_version: "S",
 				public: {enabled: true},
 				permitted_packages: ["mysdklibrary"],
 			}
 		`),
 			android.FixtureMergeEnv(map[string]string{
 				"SOONG_SDK_SNAPSHOT_TARGET_BUILD_RELEASE": "S",
 			}),
 			android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
 				variables.BuildFlags = map[string]string{
 					"RELEASE_HIDDEN_API_EXPORTABLE_STUBS": "true",
 				}
 			}),
 		).RunTest(t)

 		CheckSnapshot(t, result, "mysdk", "",
 			checkAndroidBpContents(`
 // This is auto-generated. DO NOT EDIT.

 prebuilt_bootclasspath_fragment {
     name: "mybootclasspathfragment",
     prefer: false,
     visibility: ["//visibility:public"],
     apex_available: ["myapex"],
     contents: ["mysdklibrary"],
     hidden_api: {
         annotation_flags: "hiddenapi/annotation-flags.csv",
         metadata: "hiddenapi/metadata.csv",
         index: "hiddenapi/index.csv",
         stub_flags: "hiddenapi/stub-flags.csv",
         all_flags: "hiddenapi/all-flags.csv",
     },
 }

 java_sdk_library_import {
     name: "mysdklibrary",
     prefer: false,
     visibility: ["//visibility:public"],
     apex_available: ["//apex_available:platform"],
     shared_library: true,
     compile_dex: true,
     permitted_packages: ["mysdklibrary"],
     public: {
         jars: ["sdk_library/public/mysdklibrary-stubs.jar"],
         stub_srcs: ["sdk_library/public/mysdklibrary_stub_sources"],
         current_api: "sdk_library/public/mysdklibrary.txt",
         removed_api: "sdk_library/public/mysdklibrary-removed.txt",
         sdk_version: "current",
     },
 }
 `),

 			checkAllCopyRules(`
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/annotation-flags.csv -> hiddenapi/annotation-flags.csv
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/metadata.csv -> hiddenapi/metadata.csv
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/index.csv -> hiddenapi/index.csv
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/stub-flags.csv -> hiddenapi/stub-flags.csv
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/all-flags.csv -> hiddenapi/all-flags.csv
 .intermediates/mysdklibrary.stubs.exportable/android_common/combined/mysdklibrary.stubs.exportable.jar -> sdk_library/public/mysdklibrary-stubs.jar
 .intermediates/mysdklibrary.stubs.source/android_common/exportable/mysdklibrary.stubs.source_api.txt -> sdk_library/public/mysdklibrary.txt
 .intermediates/mysdklibrary.stubs.source/android_common/exportable/mysdklibrary.stubs.source_removed.txt -> sdk_library/public/mysdklibrary-removed.txt
 `),
 		)
 	})

 }
	// Copyright 2019 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 sdk

	import (
	"log"
	"os"
	"runtime"
	"testing"

	"android/soong/android"
	"android/soong/java"

	"github.com/google/blueprint/proptools"
	)

	// Needed in an _test.go file in this package to ensure tests run correctly, particularly in IDE.
	func TestMain(m *testing.M) {
	if runtime.GOOS != "linux" {
	// b/145598135 - Generating host snapshots for anything other than linux is not supported.
	log.Printf("Skipping as sdk snapshot generation is only supported on linux not %s", runtime.GOOS)
	os.Exit(0)
	}

	os.Exit(m.Run())
	}

	// Ensure that prebuilt modules have the same effective visibility as the source
	// modules.
	func TestSnapshotVisibility(t *testing.T) {
	packageBp := `
	package {
	default_visibility: ["//other/foo"],
	}

	sdk {
	name: "mysdk",
	visibility: [
	"//other/foo",
	// This short form will be replaced with //package:__subpackages__ in the
	// generated sdk_snapshot.
	":__subpackages__",
	],
	prebuilt_visibility: [
	"//prebuilts/mysdk",
	],
	java_header_libs: [
	"myjavalib",
	"mypublicjavalib",
	"mydefaultedjavalib",
	"myprivatejavalib",
	],
	}

	java_library {
	name: "myjavalib",
	// Uses package default visibility
	srcs: ["Test.java"],
	system_modules: "none",
	sdk_version: "none",
	}

	java_defaults {
	name: "java-defaults",
	visibility: ["//other/bar"],
	}

	java_library {
	name: "mypublicjavalib",
	defaults: ["java-defaults"],
	visibility: ["//visibility:public"],
	srcs: ["Test.java"],
	system_modules: "none",
	sdk_version: "none",
	}

	java_defaults {
	name: "myjavadefaults",
	visibility: ["//other/bar"],
	}

	java_library {
	name: "mydefaultedjavalib",
	defaults: ["myjavadefaults"],
	srcs: ["Test.java"],
	system_modules: "none",
	sdk_version: "none",
	}

	java_library {
	name: "myprivatejavalib",
	srcs: ["Test.java"],
	visibility: ["//visibility:private"],
	system_modules: "none",
	sdk_version: "none",
	}
	`

	result := testSdkWithFs(t, ``,
	map[string][]byte{
	"package/Test.java": nil,
	"package/Android.bp": []byte(packageBp),
	})

	CheckSnapshot(t, result, "mysdk", "package",
	checkAndroidBpContents(`
	// This is auto-generated. DO NOT EDIT.

	java_import {
	name: "myjavalib",
	prefer: false,
	visibility: [
	"//other/foo",
	"//package",
	"//prebuilts/mysdk",
	],
	apex_available: ["//apex_available:platform"],
	jars: ["java/myjavalib.jar"],
	}

	java_import {
	name: "mypublicjavalib",
	prefer: false,
	visibility: ["//visibility:public"],
	apex_available: ["//apex_available:platform"],
	jars: ["java/mypublicjavalib.jar"],
	}

	java_import {
	name: "mydefaultedjavalib",
	prefer: false,
	visibility: [
	"//other/bar",
	"//package",
	"//prebuilts/mysdk",
	],
	apex_available: ["//apex_available:platform"],
	jars: ["java/mydefaultedjavalib.jar"],
	}

	java_import {
	name: "myprivatejavalib",
	prefer: false,
	visibility: [
	"//package",
	"//prebuilts/mysdk",
	],
	apex_available: ["//apex_available:platform"],
	jars: ["java/myprivatejavalib.jar"],
	}
	`))
	}

	func TestPrebuiltVisibilityProperty_IsValidated(t *testing.T) {
	testSdkError(t, `prebuilt_visibility: cannot mix "//visibility:private" with any other visibility rules`, `
	sdk {
	name: "mysdk",
	prebuilt_visibility: [
	"//foo",
	"//visibility:private",
	],
	}
	`)
	}

	func TestPrebuiltVisibilityProperty_AddPrivate(t *testing.T) {
	testSdkError(t, `prebuilt_visibility: "//visibility:private" does not widen the visibility`, `
	sdk {
	name: "mysdk",
	prebuilt_visibility: [
	"//visibility:private",
	],
	java_header_libs: [
	"myjavalib",
	],
	}

	java_library {
	name: "myjavalib",
	// Uses package default visibility
	srcs: ["Test.java"],
	system_modules: "none",
	sdk_version: "none",
	}
	`)
	}

	func TestSdkInstall(t *testing.T) {
	sdk := `
	sdk {
	name: "mysdk",
	}
	`
	result := testSdkWithFs(t, sdk, nil)

	CheckSnapshot(t, result, "mysdk", "",
	checkAllOtherCopyRules(`
	.intermediates/mysdk/common_os/mysdk-current.info -> mysdk-current.info
	.intermediates/mysdk/common_os/mysdk-current.zip -> mysdk-current.zip
	`))
	}

	type EmbeddedPropertiesStruct struct {
	S_Embedded_Common string `android:"arch_variant"`
	S_Embedded_Different string `android:"arch_variant"`
	}

	type testPropertiesStruct struct {
	name string
	private string
	Public_Ignore string `sdk:"ignore"`
	Public_Keep string `sdk:"keep"`
	S_Common string
	S_Different string `android:"arch_variant"`
	A_Common []string
	A_Different []string `android:"arch_variant"`
	F_Common *bool
	F_Different *bool `android:"arch_variant"`
	EmbeddedPropertiesStruct
	}

	func (p *testPropertiesStruct) optimizableProperties() interface{} {
	return p
	}

	func (p *testPropertiesStruct) String() string {
	return p.name
	}

	var _ propertiesContainer = (*testPropertiesStruct)(nil)

	func TestCommonValueOptimization(t *testing.T) {
	common := &testPropertiesStruct{name: "common"}
	structs := []propertiesContainer{
	&testPropertiesStruct{
	name: "struct-0",
	private: "common",
	Public_Ignore: "common",
	Public_Keep: "keep",
	S_Common: "common",
	S_Different: "upper",
	A_Common: []string{"first", "second"},
	A_Different: []string{"alpha", "beta"},
	F_Common: proptools.BoolPtr(false),
	F_Different: proptools.BoolPtr(false),
	EmbeddedPropertiesStruct: EmbeddedPropertiesStruct{
	S_Embedded_Common: "embedded_common",
	S_Embedded_Different: "embedded_upper",
	},
	},
	&testPropertiesStruct{
	name: "struct-1",
	private: "common",
	Public_Ignore: "common",
	Public_Keep: "keep",
	S_Common: "common",
	S_Different: "lower",
	A_Common: []string{"first", "second"},
	A_Different: []string{"alpha", "delta"},
	F_Common: proptools.BoolPtr(false),
	F_Different: proptools.BoolPtr(true),
	EmbeddedPropertiesStruct: EmbeddedPropertiesStruct{
	S_Embedded_Common: "embedded_common",
	S_Embedded_Different: "embedded_lower",
	},
	},
	}

	extractor := newCommonValueExtractor(common)

	err := extractor.extractCommonProperties(common, structs)
	android.AssertDeepEquals(t, "unexpected error", nil, err)

	android.AssertDeepEquals(t, "common properties not correct",
	&testPropertiesStruct{
	name: "common",
	private: "",
	Public_Ignore: "",
	Public_Keep: "keep",
	S_Common: "common",
	S_Different: "",
	A_Common: []string{"first", "second"},
	A_Different: []string(nil),
	F_Common: proptools.BoolPtr(false),
	F_Different: nil,
	EmbeddedPropertiesStruct: EmbeddedPropertiesStruct{
	S_Embedded_Common: "embedded_common",
	S_Embedded_Different: "",
	},
	},
	common)

	android.AssertDeepEquals(t, "updated properties[0] not correct",
	&testPropertiesStruct{
	name: "struct-0",
	private: "common",
	Public_Ignore: "common",
	Public_Keep: "keep",
	S_Common: "",
	S_Different: "upper",
	A_Common: nil,
	A_Different: []string{"alpha", "beta"},
	F_Common: nil,
	F_Different: proptools.BoolPtr(false),
	EmbeddedPropertiesStruct: EmbeddedPropertiesStruct{
	S_Embedded_Common: "",
	S_Embedded_Different: "embedded_upper",
	},
	},
	structs[0])

	android.AssertDeepEquals(t, "updated properties[1] not correct",
	&testPropertiesStruct{
	name: "struct-1",
	private: "common",
	Public_Ignore: "common",
	Public_Keep: "keep",
	S_Common: "",
	S_Different: "lower",
	A_Common: nil,
	A_Different: []string{"alpha", "delta"},
	F_Common: nil,
	F_Different: proptools.BoolPtr(true),
	EmbeddedPropertiesStruct: EmbeddedPropertiesStruct{
	S_Embedded_Common: "",
	S_Embedded_Different: "embedded_lower",
	},
	},
	structs[1])
	}

	func TestCommonValueOptimization_InvalidArchSpecificVariants(t *testing.T) {
	common := &testPropertiesStruct{name: "common"}
	structs := []propertiesContainer{
	&testPropertiesStruct{
	name: "struct-0",
	S_Common: "should-be-but-is-not-common0",
	},
	&testPropertiesStruct{
	name: "struct-1",
	S_Common: "should-be-but-is-not-common1",
	},
	}

	extractor := newCommonValueExtractor(common)

	err := extractor.extractCommonProperties(common, structs)
	android.AssertErrorMessageEquals(t, "unexpected error", `field "S_Common" is not tagged as "arch_variant" but has arch specific properties:
	"struct-0" has value "should-be-but-is-not-common0"
	"struct-1" has value "should-be-but-is-not-common1"`, err)
	}

	// Ensure that sdk snapshot related environment variables work correctly.
	func TestSnapshot_EnvConfiguration(t *testing.T) {
	bp := `
	sdk {
	name: "mysdk",
	java_header_libs: ["myjavalib"],
	}

	java_library {
	name: "myjavalib",
	srcs: ["Test.java"],
	system_modules: "none",
	sdk_version: "none",
	compile_dex: true,
	host_supported: true,
	}
	`
	preparer := android.GroupFixturePreparers(
	prepareForSdkTestWithJava,
	android.FixtureWithRootAndroidBp(bp),
	)

	checkZipFile := func(t testing.T, result android.TestResult, expected string) {
	zipRule := result.ModuleForTests("mysdk", "common_os").Rule("SnapshotZipFiles")
	android.AssertStringEquals(t, "snapshot zip file", expected, zipRule.Output.String())
	}

	t.Run("no env variables", func(t *testing.T) {
	result := preparer.RunTest(t)

	checkZipFile(t, result, "out/soong/.intermediates/mysdk/common_os/mysdk-current.zip")

	CheckSnapshot(t, result, "mysdk", "",
	checkAndroidBpContents(`
	// This is auto-generated. DO NOT EDIT.

	java_import {
	name: "myjavalib",
	prefer: false,
	visibility: ["//visibility:public"],
	apex_available: ["//apex_available:platform"],
	jars: ["java/myjavalib.jar"],
	}
	`),
	)
	})

	t.Run("SOONG_SDK_SNAPSHOT_TARGET_BUILD_RELEASE=S", func(t *testing.T) {
	result := android.GroupFixturePreparers(
	prepareForSdkTestWithJava,
	java.PrepareForTestWithJavaDefaultModules,
	java.PrepareForTestWithJavaSdkLibraryFiles,
	java.FixtureWithLastReleaseApis("mysdklibrary"),
	android.FixtureWithRootAndroidBp(`
	sdk {
	name: "mysdk",
	bootclasspath_fragments: ["mybootclasspathfragment"],
	}

	bootclasspath_fragment {
	name: "mybootclasspathfragment",
	apex_available: ["myapex"],
	contents: ["mysdklibrary"],
	hidden_api: {
	split_packages: ["*"],
	},
	}

	java_sdk_library {
	name: "mysdklibrary",
	srcs: ["Test.java"],
	compile_dex: true,
	sdk_version: "S",
	public: {enabled: true},
	permitted_packages: ["mysdklibrary"],
	}
	`),
	android.FixtureMergeEnv(map[string]string{
	"SOONG_SDK_SNAPSHOT_TARGET_BUILD_RELEASE": "S",
	}),
	android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
	variables.BuildFlags = map[string]string{
	"RELEASE_HIDDEN_API_EXPORTABLE_STUBS": "true",
	}
	}),
	).RunTest(t)

	CheckSnapshot(t, result, "mysdk", "",
	checkAndroidBpContents(`
	// This is auto-generated. DO NOT EDIT.

	prebuilt_bootclasspath_fragment {
	name: "mybootclasspathfragment",
	prefer: false,
	visibility: ["//visibility:public"],
	apex_available: ["myapex"],
	contents: ["mysdklibrary"],
	hidden_api: {
	annotation_flags: "hiddenapi/annotation-flags.csv",
	metadata: "hiddenapi/metadata.csv",
	index: "hiddenapi/index.csv",
	stub_flags: "hiddenapi/stub-flags.csv",
	all_flags: "hiddenapi/all-flags.csv",
	},
	}

	java_sdk_library_import {
	name: "mysdklibrary",
	prefer: false,
	visibility: ["//visibility:public"],
	apex_available: ["//apex_available:platform"],
	shared_library: true,
	compile_dex: true,
	permitted_packages: ["mysdklibrary"],
	public: {
	jars: ["sdk_library/public/mysdklibrary-stubs.jar"],
	stub_srcs: ["sdk_library/public/mysdklibrary_stub_sources"],
	current_api: "sdk_library/public/mysdklibrary.txt",
	removed_api: "sdk_library/public/mysdklibrary-removed.txt",
	sdk_version: "current",
	},
	}
	`),

	checkAllCopyRules(`
	.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/annotation-flags.csv -> hiddenapi/annotation-flags.csv
	.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/metadata.csv -> hiddenapi/metadata.csv
	.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/index.csv -> hiddenapi/index.csv
	.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/stub-flags.csv -> hiddenapi/stub-flags.csv
	.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/all-flags.csv -> hiddenapi/all-flags.csv
	.intermediates/mysdklibrary.stubs.exportable/android_common/combined/mysdklibrary.stubs.exportable.jar -> sdk_library/public/mysdklibrary-stubs.jar
	.intermediates/mysdklibrary.stubs.source/android_common/exportable/mysdklibrary.stubs.source_api.txt -> sdk_library/public/mysdklibrary.txt
	.intermediates/mysdklibrary.stubs.source/android_common/exportable/mysdklibrary.stubs.source_removed.txt -> sdk_library/public/mysdklibrary-removed.txt
	`),
	)
	})

	}