// 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 java

import (
 "path/filepath"
 "strings"
 "testing"

 "github.com/google/blueprint/proptools"

 "android/soong/android"
 "android/soong/java/config"
)

type classpathTestCase struct {
 name       string
 unbundled  bool
 moduleType string
 host       android.OsClass
 properties string

 // for java 8
 bootclasspath  []string
 java8classpath []string

 // for java 9
 system         string
 java9classpath []string

 forces8 bool // if set, javac will always be called with java 8 arguments

 aidl string

 // Indicates how this test case is affected by the setting of Always_use_prebuilt_sdks.
 //
 // If this is nil then the test case is unaffected by the setting of Always_use_prebuilt_sdks.
 // Otherwise, the test case can only be used when
 // Always_use_prebuilt_sdks=*forAlwaysUsePrebuiltSdks.
 forAlwaysUsePrebuiltSdks *bool
}

func TestClasspath(t *testing.T) {
 t.Parallel()
 const frameworkAidl = "-I" + defaultJavaDir + "/framework/aidl"
 var classpathTestcases = []classpathTestCase{
  {
   name:           "default",
   bootclasspath:  config.StableCorePlatformBootclasspathLibraries,
   system:         config.StableCorePlatformSystemModules,
   java8classpath: config.FrameworkLibraries,
   java9classpath: config.FrameworkLibraries,
   aidl:           frameworkAidl,
  },
  {
   name:           `sdk_version:"core_platform"`,
   properties:     `sdk_version:"core_platform"`,
   bootclasspath:  config.StableCorePlatformBootclasspathLibraries,
   system:         config.StableCorePlatformSystemModules,
   java8classpath: []string{},
   aidl:           "",
  },
  {
   name:           "blank sdk version",
   properties:     `sdk_version: "",`,
   bootclasspath:  config.StableCorePlatformBootclasspathLibraries,
   system:         config.StableCorePlatformSystemModules,
   java8classpath: config.FrameworkLibraries,
   java9classpath: config.FrameworkLibraries,
   aidl:           frameworkAidl,
  },
  {

   name:           "sdk v29",
   properties:     `sdk_version: "29",`,
   bootclasspath:  []string{`""`},
   forces8:        true,
   java8classpath: []string{"prebuilts/sdk/29/public/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   aidl:           "-pprebuilts/sdk/29/public/framework.aidl",
  },
  {

   name:           "sdk v30",
   properties:     `sdk_version: "30",`,
   bootclasspath:  []string{`""`},
   system:         "sdk_public_30_system_modules",
   java8classpath: []string{"prebuilts/sdk/30/public/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   java9classpath: []string{"prebuilts/sdk/30/public/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   aidl:           "-pprebuilts/sdk/30/public/framework.aidl",
  },
  {
   // Test case only applies when Always_use_prebuilt_sdks=false (the default).
   forAlwaysUsePrebuiltSdks: proptools.BoolPtr(false),

   name:           "current",
   properties:     `sdk_version: "current",`,
   bootclasspath:  []string{"android_stubs_current", "core-lambda-stubs"},
   system:         "core-public-stubs-system-modules",
   java9classpath: []string{"android_stubs_current"},
   aidl:           "-pout/soong/framework.aidl",
  },
  {
   // Test case only applies when Always_use_prebuilt_sdks=true.
   forAlwaysUsePrebuiltSdks: proptools.BoolPtr(true),

   name:           "current",
   properties:     `sdk_version: "current",`,
   bootclasspath:  []string{`""`},
   system:         "sdk_public_current_system_modules",
   java8classpath: []string{"prebuilts/sdk/current/public/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   java9classpath: []string{"prebuilts/sdk/current/public/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   aidl:           "-pprebuilts/sdk/current/public/framework.aidl",
  },
  {
   // Test case only applies when Always_use_prebuilt_sdks=false (the default).
   forAlwaysUsePrebuiltSdks: proptools.BoolPtr(false),

   name:           "system_current",
   properties:     `sdk_version: "system_current",`,
   bootclasspath:  []string{"android_system_stubs_current", "core-lambda-stubs"},
   system:         "core-public-stubs-system-modules",
   java9classpath: []string{"android_system_stubs_current"},
   aidl:           "-pout/soong/framework.aidl",
  },
  {
   // Test case only applies when Always_use_prebuilt_sdks=true.
   forAlwaysUsePrebuiltSdks: proptools.BoolPtr(true),

   name:           "system_current",
   properties:     `sdk_version: "system_current",`,
   bootclasspath:  []string{`""`},
   system:         "sdk_public_current_system_modules",
   java8classpath: []string{"prebuilts/sdk/current/system/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   java9classpath: []string{"prebuilts/sdk/current/system/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   aidl:           "-pprebuilts/sdk/current/public/framework.aidl",
  },
  {
   name:           "system_29",
   properties:     `sdk_version: "system_29",`,
   bootclasspath:  []string{`""`},
   forces8:        true,
   java8classpath: []string{"prebuilts/sdk/29/system/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   aidl:           "-pprebuilts/sdk/29/public/framework.aidl",
  },
  {
   name:           "system_30",
   properties:     `sdk_version: "system_30",`,
   bootclasspath:  []string{`""`},
   system:         "sdk_public_30_system_modules",
   java8classpath: []string{"prebuilts/sdk/30/system/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   java9classpath: []string{"prebuilts/sdk/30/system/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   aidl:           "-pprebuilts/sdk/30/public/framework.aidl",
  },
  {
   // Test case only applies when Always_use_prebuilt_sdks=false (the default).
   forAlwaysUsePrebuiltSdks: proptools.BoolPtr(false),

   name:           "test_current",
   properties:     `sdk_version: "test_current",`,
   bootclasspath:  []string{"android_test_stubs_current", "core-lambda-stubs"},
   system:         "core-public-stubs-system-modules",
   java9classpath: []string{"android_test_stubs_current"},
   aidl:           "-pout/soong/framework.aidl",
  },
  {
   // Test case only applies when Always_use_prebuilt_sdks=true.
   forAlwaysUsePrebuiltSdks: proptools.BoolPtr(true),

   name:           "test_current",
   properties:     `sdk_version: "test_current",`,
   bootclasspath:  []string{`""`},
   system:         "sdk_public_current_system_modules",
   java8classpath: []string{"prebuilts/sdk/current/test/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   java9classpath: []string{"prebuilts/sdk/current/test/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   aidl:           "-pprebuilts/sdk/current/public/framework.aidl",
  },
  {
   name:           "test_30",
   properties:     `sdk_version: "test_30",`,
   bootclasspath:  []string{`""`},
   system:         "sdk_public_30_system_modules",
   java8classpath: []string{"prebuilts/sdk/30/test/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   java9classpath: []string{"prebuilts/sdk/30/test/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   aidl:           "-pprebuilts/sdk/30/public/framework.aidl",
  },
  {
   // Test case only applies when Always_use_prebuilt_sdks=false (the default).
   forAlwaysUsePrebuiltSdks: proptools.BoolPtr(false),

   name:          "core_current",
   properties:    `sdk_version: "core_current",`,
   bootclasspath: []string{"core.current.stubs", "core-lambda-stubs"},
   system:        "core-public-stubs-system-modules",
  },
  {
   // Test case only applies when Always_use_prebuilt_sdks=true.
   forAlwaysUsePrebuiltSdks: proptools.BoolPtr(true),

   name:           "core_current",
   properties:     `sdk_version: "core_current",`,
   bootclasspath:  []string{`""`},
   system:         "sdk_public_current_system_modules",
   java8classpath: []string{"prebuilts/sdk/current/core/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   java9classpath: []string{"prebuilts/sdk/current/core/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   aidl:           "-pprebuilts/sdk/current/public/framework.aidl",
  },
  {

   name:           "nostdlib",
   properties:     `sdk_version: "none", system_modules: "none"`,
   system:         "none",
   bootclasspath:  []string{`""`},
   java8classpath: []string{},
  },
  {

   name:           "nostdlib system_modules",
   properties:     `sdk_version: "none", system_modules: "stable-core-platform-api-stubs-system-modules"`,
   system:         "stable-core-platform-api-stubs-system-modules",
   bootclasspath:  []string{"stable-core-platform-api-stubs-system-modules-lib"},
   java8classpath: []string{},
  },
  {

   name:           "host default",
   moduleType:     "java_library_host",
   properties:     ``,
   host:           android.Host,
   bootclasspath:  []string{"jdk8/jre/lib/jce.jar", "jdk8/jre/lib/rt.jar"},
   java8classpath: []string{},
  },
  {

   name:           "host supported default",
   host:           android.Host,
   properties:     `host_supported: true,`,
   java8classpath: []string{},
   bootclasspath:  []string{"jdk8/jre/lib/jce.jar", "jdk8/jre/lib/rt.jar"},
  },
  {
   name:           "host supported nostdlib",
   host:           android.Host,
   properties:     `host_supported: true, sdk_version: "none", system_modules: "none"`,
   java8classpath: []string{},
  },
  {

   name:           "unbundled sdk v29",
   unbundled:      true,
   properties:     `sdk_version: "29",`,
   bootclasspath:  []string{`""`},
   forces8:        true,
   java8classpath: []string{"prebuilts/sdk/29/public/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   aidl:           "-pprebuilts/sdk/29/public/framework.aidl",
  },
  {

   name:           "unbundled sdk v30",
   unbundled:      true,
   properties:     `sdk_version: "30",`,
   bootclasspath:  []string{`""`},
   system:         "sdk_public_30_system_modules",
   java8classpath: []string{"prebuilts/sdk/30/public/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   java9classpath: []string{"prebuilts/sdk/30/public/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   aidl:           "-pprebuilts/sdk/30/public/framework.aidl",
  },
  {

   name:           "unbundled current",
   unbundled:      true,
   properties:     `sdk_version: "current",`,
   bootclasspath:  []string{`""`},
   system:         "sdk_public_current_system_modules",
   java8classpath: []string{"prebuilts/sdk/current/public/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   java9classpath: []string{"prebuilts/sdk/current/public/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   aidl:           "-pprebuilts/sdk/current/public/framework.aidl",
  },
  {
   // Test case only applies when Always_use_prebuilt_sdks=false (the default).
   forAlwaysUsePrebuiltSdks: proptools.BoolPtr(false),

   name:           "module_current",
   properties:     `sdk_version: "module_current",`,
   bootclasspath:  []string{"android_module_lib_stubs_current", "core-lambda-stubs"},
   system:         "core-module-lib-stubs-system-modules",
   java9classpath: []string{"android_module_lib_stubs_current"},
   aidl:           "-pout/soong/framework_non_updatable.aidl",
  },
  {
   // Test case only applies when Always_use_prebuilt_sdks=true.
   forAlwaysUsePrebuiltSdks: proptools.BoolPtr(true),

   name:           "module_current",
   properties:     `sdk_version: "module_current",`,
   bootclasspath:  []string{`""`},
   system:         "sdk_module-lib_current_system_modules",
   java8classpath: []string{"prebuilts/sdk/current/module-lib/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   java9classpath: []string{"prebuilts/sdk/current/module-lib/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   aidl:           "-pprebuilts/sdk/current/public/framework.aidl",
  },
  {
   name:           "module_30",
   properties:     `sdk_version: "module_30",`,
   bootclasspath:  []string{`""`},
   system:         "sdk_public_30_system_modules",
   java8classpath: []string{"prebuilts/sdk/30/module-lib/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   java9classpath: []string{"prebuilts/sdk/30/module-lib/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   aidl:           "-pprebuilts/sdk/30/public/framework.aidl",
  },
  {
   name:           "module_31",
   properties:     `sdk_version: "module_31",`,
   bootclasspath:  []string{`""`},
   system:         "sdk_public_31_system_modules",
   java8classpath: []string{"prebuilts/sdk/31/module-lib/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   java9classpath: []string{"prebuilts/sdk/31/module-lib/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   aidl:           "-pprebuilts/sdk/31/public/framework.aidl",
  },
  {
   name:           "module_32",
   properties:     `sdk_version: "module_32",`,
   bootclasspath:  []string{`""`},
   system:         "sdk_module-lib_32_system_modules",
   java8classpath: []string{"prebuilts/sdk/32/module-lib/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   java9classpath: []string{"prebuilts/sdk/32/module-lib/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   aidl:           "-pprebuilts/sdk/32/public/framework.aidl",
  },
  {
   // Test case only applies when Always_use_prebuilt_sdks=false (the default).
   forAlwaysUsePrebuiltSdks: proptools.BoolPtr(false),

   name:           "system_server_current",
   properties:     `sdk_version: "system_server_current",`,
   bootclasspath:  []string{"android_system_server_stubs_current", "core-lambda-stubs"},
   system:         "core-module-lib-stubs-system-modules",
   java9classpath: []string{"android_system_server_stubs_current"},
   aidl:           "-pout/soong/framework.aidl",
  },
  {
   // Test case only applies when Always_use_prebuilt_sdks=true.
   forAlwaysUsePrebuiltSdks: proptools.BoolPtr(true),

   name:           "system_server_current",
   properties:     `sdk_version: "system_server_current",`,
   bootclasspath:  []string{`""`},
   system:         "sdk_module-lib_current_system_modules",
   java8classpath: []string{"prebuilts/sdk/current/system-server/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   java9classpath: []string{"prebuilts/sdk/current/system-server/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   aidl:           "-pprebuilts/sdk/current/public/framework.aidl",
  },
  {
   name:           "system_server_30",
   properties:     `sdk_version: "system_server_30",`,
   bootclasspath:  []string{`""`},
   system:         "sdk_public_30_system_modules",
   java8classpath: []string{"prebuilts/sdk/30/system-server/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   java9classpath: []string{"prebuilts/sdk/30/system-server/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   aidl:           "-pprebuilts/sdk/30/public/framework.aidl",
  },
  {
   name:           "system_server_31",
   properties:     `sdk_version: "system_server_31",`,
   bootclasspath:  []string{`""`},
   system:         "sdk_public_31_system_modules",
   java8classpath: []string{"prebuilts/sdk/31/system-server/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   java9classpath: []string{"prebuilts/sdk/31/system-server/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   aidl:           "-pprebuilts/sdk/31/public/framework.aidl",
  },
  {
   name:           "system_server_32",
   properties:     `sdk_version: "system_server_32",`,
   bootclasspath:  []string{`""`},
   system:         "sdk_module-lib_32_system_modules",
   java8classpath: []string{"prebuilts/sdk/32/system-server/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   java9classpath: []string{"prebuilts/sdk/32/system-server/android.jar", "prebuilts/sdk/tools/core-lambda-stubs.jar"},
   aidl:           "-pprebuilts/sdk/32/public/framework.aidl",
  },
 }

 t.Run("basic", func(t *testing.T) {
  t.Parallel()
  testClasspathTestCases(t, classpathTestcases, false)
 })

 t.Run("Always_use_prebuilt_sdks=true", func(t *testing.T) {
  t.Parallel()
  testClasspathTestCases(t, classpathTestcases, true)
 })
}

func testClasspathTestCases(t *testing.T, classpathTestcases []classpathTestCase, alwaysUsePrebuiltSdks bool) {
 for _, testcase := range classpathTestcases {
  if testcase.forAlwaysUsePrebuiltSdks != nil && *testcase.forAlwaysUsePrebuiltSdks != alwaysUsePrebuiltSdks {
   continue
  }

  t.Run(testcase.name, func(t *testing.T) {
   t.Parallel()
   moduleType := "java_library"
   if testcase.moduleType != "" {
    moduleType = testcase.moduleType
   }

   props := `
    name: "foo",
    srcs: ["a.java"],
    target: {
     android: {
      srcs: ["bar-doc/IFoo.aidl"],
     },
    },
    `
   bp := moduleType + " {" + props + testcase.properties + `
   }`
   bpJava8 := moduleType + " {" + props + `java_version: "1.8",
    ` + testcase.properties + `
   }`

   variant := func(result *android.TestResult) string {
    if testcase.host == android.Host {
     return result.Config.BuildOS.String() + "_common"
    }
    return "android_common"
   }

   convertModulesToPaths := func(cp []string) []string {
    ret := make([]string, len(cp))
    for i, e := range cp {
     switch {
     case e == `""`, strings.HasSuffix(e, ".jar"):
      ret[i] = e
     default:
      ret[i] = filepath.Join("out", "soong", ".intermediates", defaultJavaDir, e, "android_common", "turbine", e+".jar")
     }
    }
    return ret
   }

   bootclasspath := convertModulesToPaths(testcase.bootclasspath)
   java8classpath := convertModulesToPaths(testcase.java8classpath)
   java9classpath := convertModulesToPaths(testcase.java9classpath)

   bc := ""
   var bcDeps []string
   if len(bootclasspath) > 0 {
    bc = "-bootclasspath " + strings.Join(bootclasspath, ":")
    if bootclasspath[0] != `""` {
     bcDeps = bootclasspath
    }
   }

   j8c := ""
   if len(java8classpath) > 0 {
    j8c = "-classpath " + strings.Join(java8classpath, ":")
   }

   j9c := ""
   if len(java9classpath) > 0 {
    j9c = "-classpath " + strings.Join(java9classpath, ":")
   }

   system := ""
   var systemDeps []string
   if testcase.system == "none" {
    system = "--system=none"
   } else if testcase.system != "" {
    dir := ""
    // If the system modules name starts with sdk_ then it is a prebuilt module and so comes
    // from the prebuilt directory.
    if strings.HasPrefix(testcase.system, "sdk_") {
     dir = "prebuilts/sdk"
    } else {
     dir = defaultJavaDir
    }
    system = "--system=" + filepath.Join("out", "soong", ".intermediates", dir, testcase.system, "android_common", "system")
    // The module-relative parts of these paths are hardcoded in system_modules.go:
    systemDeps = []string{
     filepath.Join("out", "soong", ".intermediates", dir, testcase.system, "android_common", "system", "lib", "modules"),
     filepath.Join("out", "soong", ".intermediates", dir, testcase.system, "android_common", "system", "lib", "jrt-fs.jar"),
     filepath.Join("out", "soong", ".intermediates", dir, testcase.system, "android_common", "system", "release"),
    }
   }

   checkClasspath := func(t *testing.T, result *android.TestResult, isJava8 bool) {
    foo := result.ModuleForTests(t, "foo", variant(result))
    javac := foo.Rule("javac")
    var deps []string

    aidl := foo.MaybeRule("aidl")
    if aidl.Rule != nil {
     deps = append(deps, android.PathRelativeToTop(aidl.Output))
    }

    got := javac.Args["bootClasspath"]
    expected := ""
    if isJava8 || testcase.forces8 {
     expected = bc
     deps = append(deps, bcDeps...)
    } else {
     expected = system
     deps = append(deps, systemDeps...)
    }
    if got != expected {
     t.Errorf("bootclasspath expected %q != got %q", expected, got)
    }

    if isJava8 || testcase.forces8 {
     expected = j8c
     deps = append(deps, java8classpath...)
    } else {
     expected = j9c
     deps = append(deps, java9classpath...)
    }
    got = javac.Args["classpath"]
    if got != expected {
     t.Errorf("classpath expected %q != got %q", expected, got)
    }

    android.AssertPathsRelativeToTopEquals(t, "implicits", deps, javac.Implicits)
   }

   preparer := android.NullFixturePreparer
   if alwaysUsePrebuiltSdks {
    preparer = android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
     variables.Always_use_prebuilt_sdks = proptools.BoolPtr(true)
    })
   }

   fixtureFactory := android.GroupFixturePreparers(
    prepareForJavaTest,
    FixtureWithPrebuiltApis(map[string][]string{
     "29":      {},
     "30":      {},
     "31":      {},
     "32":      {},
     "current": {},
    }),
    android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
     if testcase.unbundled {
      variables.Unbundled_build = proptools.BoolPtr(true)
      variables.Always_use_prebuilt_sdks = proptools.BoolPtr(true)
     }
    }),
    android.FixtureModifyEnv(func(env map[string]string) {
     if env["ANDROID_JAVA8_HOME"] == "" {
      env["ANDROID_JAVA8_HOME"] = "jdk8"
     }
    }),
    preparer,
   )

   // Test with legacy javac -source 1.8 -target 1.8
   t.Run("Java language level 8", func(t *testing.T) {
    t.Parallel()
    result := fixtureFactory.RunTestWithBp(t, bpJava8)

    checkClasspath(t, result, true /* isJava8 */)

    if testcase.host != android.Host {
     aidl := result.ModuleForTests(t, "foo", variant(result)).Rule("aidl")

     android.AssertStringDoesContain(t, "aidl command", aidl.RuleParams.Command, testcase.aidl+" -I.")
    }
   })

   // Test with default javac -source 9 -target 9
   t.Run("Java language level 9", func(t *testing.T) {
    t.Parallel()
    result := fixtureFactory.RunTestWithBp(t, bp)

    checkClasspath(t, result, false /* isJava8 */)

    if testcase.host != android.Host {
     aidl := result.ModuleForTests(t, "foo", variant(result)).Rule("aidl")

     android.AssertStringDoesContain(t, "aidl command", aidl.RuleParams.Command, testcase.aidl+" -I.")
    }
   })

   prepareWithPlatformVersionRel := android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
    variables.Platform_sdk_codename = proptools.StringPtr("REL")
    variables.Platform_sdk_final = proptools.BoolPtr(true)
   })

   // Test again with PLATFORM_VERSION_CODENAME=REL, javac -source 8 -target 8
   t.Run("REL + Java language level 8", func(t *testing.T) {
    t.Parallel()
    result := android.GroupFixturePreparers(
     fixtureFactory, prepareWithPlatformVersionRel).RunTestWithBp(t, bpJava8)

    checkClasspath(t, result, true /* isJava8 */)
   })

   // Test again with PLATFORM_VERSION_CODENAME=REL, javac -source 9 -target 9
   t.Run("REL + Java language level 9", func(t *testing.T) {
    t.Parallel()
    result := android.GroupFixturePreparers(
     fixtureFactory, prepareWithPlatformVersionRel).RunTestWithBp(t, bp)

    checkClasspath(t, result, false /* isJava8 */)
   })
  })
 }
}