Generate prebuilt_systemserverclasspath_fragment.

Bug: 194150908
Test: m nothing
Test: manual - 1. Patch aosp/1835087.
  2. m out/soong/.intermediates/art/build/sdk/art-module-sdk/common_os/snapshot/Android.bp
  3. See prebuilt_systemserverclasspath_fragment modules and
     systemserverclasspath_fragments in an sdk_snapshot module.
Change-Id: I7876b077b0b4ed190f01dbfa9533de04ea32d524
diff --git a/sdk/Android.bp b/sdk/Android.bp
index c6544d6..acb9dbb 100644
--- a/sdk/Android.bp
+++ b/sdk/Android.bp
@@ -11,6 +11,7 @@
         "soong-android",
         "soong-apex",
         "soong-cc",
+        "soong-dexpreopt",
         "soong-java",
     ],
     srcs: [
@@ -31,6 +32,7 @@
         "license_sdk_test.go",
         "member_trait_test.go",
         "sdk_test.go",
+        "systemserverclasspath_fragment_sdk_test.go",
         "testing.go",
     ],
     pluginFor: ["soong_build"],
diff --git a/sdk/systemserverclasspath_fragment_sdk_test.go b/sdk/systemserverclasspath_fragment_sdk_test.go
new file mode 100644
index 0000000..16e3e7f
--- /dev/null
+++ b/sdk/systemserverclasspath_fragment_sdk_test.go
@@ -0,0 +1,171 @@
+// Copyright (C) 2021 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 sdk
+
+import (
+	"testing"
+
+	"android/soong/android"
+	"android/soong/dexpreopt"
+	"android/soong/java"
+)
+
+func TestSnapshotWithSystemServerClasspathFragment(t *testing.T) {
+	result := android.GroupFixturePreparers(
+		prepareForSdkTestWithJava,
+		java.PrepareForTestWithJavaDefaultModules,
+		java.PrepareForTestWithJavaSdkLibraryFiles,
+		java.FixtureWithLastReleaseApis("mysdklibrary"),
+		dexpreopt.FixtureSetApexSystemServerJars("myapex:mylib", "myapex:mysdklibrary"),
+		prepareForSdkTestWithApex,
+
+		android.FixtureWithRootAndroidBp(`
+			sdk {
+				name: "mysdk",
+				systemserverclasspath_fragments: ["mysystemserverclasspathfragment"],
+				java_sdk_libs: [
+					// This is not strictly needed as it should be automatically added to the sdk_snapshot as
+					// a java_sdk_libs module because it is used in the mysystemserverclasspathfragment's
+					// contents property. However, it is specified here to ensure that duplicates are
+					// correctly deduped.
+					"mysdklibrary",
+				],
+			}
+
+			apex {
+				name: "myapex",
+				key: "myapex.key",
+				min_sdk_version: "2",
+				systemserverclasspath_fragments: ["mysystemserverclasspathfragment"],
+			}
+
+			systemserverclasspath_fragment {
+				name: "mysystemserverclasspathfragment",
+				apex_available: ["myapex"],
+				contents: [
+					"mylib",
+					"mysdklibrary",
+				],
+			}
+
+			java_library {
+				name: "mylib",
+				apex_available: ["myapex"],
+				srcs: ["Test.java"],
+				system_modules: "none",
+				sdk_version: "none",
+				min_sdk_version: "2",
+				compile_dex: true,
+				permitted_packages: ["mylib"],
+			}
+
+			java_sdk_library {
+				name: "mysdklibrary",
+				apex_available: ["myapex"],
+				srcs: ["Test.java"],
+				shared_library: false,
+				public: {enabled: true},
+				min_sdk_version: "2",
+			}
+		`),
+	).RunTest(t)
+
+	CheckSnapshot(t, result, "mysdk", "",
+		checkUnversionedAndroidBpContents(`
+// This is auto-generated. DO NOT EDIT.
+
+java_sdk_library_import {
+    name: "mysdklibrary",
+    prefer: false,
+    visibility: ["//visibility:public"],
+    apex_available: ["myapex"],
+    shared_library: false,
+    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",
+    },
+}
+
+java_import {
+    name: "mylib",
+    prefer: false,
+    visibility: ["//visibility:public"],
+    apex_available: ["myapex"],
+    jars: ["java_systemserver_libs/snapshot/jars/are/invalid/mylib.jar"],
+    permitted_packages: ["mylib"],
+}
+
+prebuilt_systemserverclasspath_fragment {
+    name: "mysystemserverclasspathfragment",
+    prefer: false,
+    visibility: ["//visibility:public"],
+    apex_available: ["myapex"],
+    contents: [
+        "mylib",
+        "mysdklibrary",
+    ],
+}
+`),
+		checkVersionedAndroidBpContents(`
+// This is auto-generated. DO NOT EDIT.
+
+java_sdk_library_import {
+    name: "mysdk_mysdklibrary@current",
+    sdk_member_name: "mysdklibrary",
+    visibility: ["//visibility:public"],
+    apex_available: ["myapex"],
+    shared_library: false,
+    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",
+    },
+}
+
+java_import {
+    name: "mysdk_mylib@current",
+    sdk_member_name: "mylib",
+    visibility: ["//visibility:public"],
+    apex_available: ["myapex"],
+    jars: ["java_systemserver_libs/snapshot/jars/are/invalid/mylib.jar"],
+    permitted_packages: ["mylib"],
+}
+
+prebuilt_systemserverclasspath_fragment {
+    name: "mysdk_mysystemserverclasspathfragment@current",
+    sdk_member_name: "mysystemserverclasspathfragment",
+    visibility: ["//visibility:public"],
+    apex_available: ["myapex"],
+    contents: [
+        "mysdk_mylib@current",
+        "mysdk_mysdklibrary@current",
+    ],
+}
+
+sdk_snapshot {
+    name: "mysdk@current",
+    visibility: ["//visibility:public"],
+    java_sdk_libs: ["mysdk_mysdklibrary@current"],
+    java_systemserver_libs: ["mysdk_mylib@current"],
+    systemserverclasspath_fragments: ["mysdk_mysystemserverclasspathfragment@current"],
+}
+`),
+	)
+}