JavaVersion.VERSION_1_10 | JavaVersion.VERSION_13   | false
        JavaVersion.VERSION_13   | JavaVersion.VERSION_1_10 | true
    }

    /* Following test cases are from http://hg.openjdk.java.net/jdk/jdk/file/af37d9997bd6/test/jdk/java/lang/Runtime/Version/Basic.java */

    def 'can recognize multiple version number'() {
        expect:
        JavaVersion.toVersion('9') == JavaVersion.VERSION_1_9

            NoSuchMethodException |
            RuntimeException ex ) {
            if ( log.isDebugEnabled() ) {
                log.debug("Failed to initalize ExtendedGSSContext initializdation for OracleJDK / OpenJDK", ex);
            }
        }

        if ( extendedGSSContextClassPrep == null || inquireSecContextPrep == null || inquireTypeSessionKeyPrep == null ) {
            try {

        when:
        def spec = javaCompile.createSpec()

        then:
        spec.sourceCompatibility == '11'
        spec.targetCompatibility == '11'
    }

    @Issue('https://bugs.openjdk.java.net/browse/JDK-8139607')
    def "configuring toolchain compiler sets source and target compatibility on the compile spec"() {
        def javaCompile = project.tasks.create("compileJava", JavaCompile)

     */
    const val RUN_BROKEN_CONFIGURATION_CACHE_DOCS_TESTS = "runBrokenConfigurationCacheDocsTests"

    internal
    val VENDOR_MAPPING = mapOf(
        "oracle" to JvmVendorSpec.ORACLE,
        "openjdk" to JvmVendorSpec.ADOPTIUM,
        "zulu" to JvmVendorSpec.AZUL
    )
}


fun Project.stringPropertyOrEmpty(projectPropertyName: String): String =
    stringPropertyOrNull(projectPropertyName) ?: ""

			assert.Equal(t, negotiateMetricsFormat(tt.contentType), tt.expected)
		})
	}
}

func TestStatsContentType(t *testing.T) {
	appOpenMetrics := `# TYPE jvm info
# HELP jvm VM version info
jvm_info{runtime="OpenJDK Runtime Environment",vendor="AdoptOpenJDK",version="16.0.1+9"} 1.0
# TYPE jmx_config_reload_success counter
# HELP jmx_config_reload_success Number of times configuration have successfully been reloaded.

This is caused by a known issue in Java where the serialization of `java.net.URL` is incorrect.
See the https://bugs.openjdk.org/browse/JDK-8075619[OpenJDK bug report] for more details.
To address this, we suggest to use `java.net.URI` instead.

[[unsupported_key_type_of_nested_map]]
== Unsupported key type of nested map

        given:
        OperatingSystem macOs = new OperatingSystem.MacOs()
        TestFile software = tmpDir.createDir('software')
        //http://openjdk.java.net/jeps/220
        software.create {
            Contents {
                Home {
                    bin {
                        file 'java'
                        file 'javac'

    $zulu_zip = \"c:/temp/jdk_install.zip\"; \
    $zulu_extracted_path = \"c:/temp/\" + [IO.Path]::GetFileNameWithoutExtension($zulu_url); \
    $zulu_root = \"c:/openjdk\"; \
    (New-Object Net.WebClient).DownloadFile($zulu_url, $zulu_zip); \
    [System.IO.Compression.ZipFile]::ExtractToDirectory($zulu_zip, \"c:/temp\"); \
    Move-Item $zulu_extracted_path -Destination $zulu_root; \

        !file("build/generated/sources/headers/java/main/A.txt").exists()
        !file("build/classes/java/main/A.txt").exists()
    }

    @Issue(["https://github.com/gradle/gradle/issues/8128", "https://bugs.openjdk.java.net/browse/JDK-8162455"])
    def "incremental processing doesn't trigger unmatched processor option warning"() {
        buildFile << """
            dependencies {
                compileOnly project(":annotation")

          which is required to make symbol search work correctly in the generated
          pages.

          This flag does not exist on 9-10 and 13+ (https://bugs.openjdk.java.net/browse/JDK-8215582).

          Consider removing it once our release and test scripts are migrated to a recent JDK (17+).
       -->
      <id>javadocs-jdk11-12</id>
      <activation>